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The clothing industry is one of the major sources of environmental pollution and climate change globally. Lively hood expert, textile professional and designers joined hands together in Uttarakhand, a small Himalayan state of India, for sustainable use of its natural resources: fibres and natural dyes for sustainable development of its community in the sustainable environment for our future generations in an ethical and transparent manner. Dev Ethical Sustainable Crafts and Textiles (descatuk) is a b2b social enterprise toward the major goal of reducing the carbon footprint of the textile industry by providing natural dyed handspun yarn, handloom knitted fabric, home and fashion accessories for the slow fashion designer to achieve the ultimate goal.

Descatuk

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In 2021, hosted the first-ever awards!! HackerNoon Startup of the Year The goal of this campaign was to give recognition to the hardworking startups who pulled through the pandemic -- growing and thriving (despite all of the challenges). More than 44,000 startups were nominated all across the globe! They were selected from over 4,553 cities, with a total number of * cough * “4 billion” votes. Insane, right? To see who is a winner in each respective city, visit and pick a city. The name at the top of the list is the winner. (Compromised awards are under review. Cities with tie votes will be updated to have two winners!) startups.hackernoon.com The will announce the winners per region in their respective cities. Startups Winners Announcement series Here are the winners in the : Asia region Top Startup Cities in East Asia Seoul The Startup of the Year in is with 377 votes! Seoul dable Central is the Startup of the Year! It came out ahead with 121 votes. UpNow Central Sheung Wan came out as the Startup of the Year in with 154 votes. Votee Sheung Wan Tokyo The Startup of the Year in is with 41 votes! Tokyo ACES Wan Chai The Startup of the Year in is with 54 votes! Wan Chai Zetl Osaka, Japan In , is the winner! Osaka Nanophoton Taiwan came out as the Startup of the Year in ! Tico Taiwan Dongcheng, China In , is declared the Startup of the Year! Dongcheng Waiju Taipei came out as the Startup of the Year in ! Tico Taipei Akasaka In , is the winner! Akasaka WAKUWAKU Chuo In , is declared the Startup of the Year! Chuo GO-NET Ginza came out as the Startup of the Year in ! Netyear Ginza Kanazawa In , is the winner! Kanazawa Granzella Minami-aoyama In , is declared the Startup of the Year! Minami-aoyama Tokyo6 Entertainment Shibuya came out as the Startup of the Year in ! Hupro Japan Shibuya Toranomon In , is the winner! Toranomon Small Worlds Toshima In , is declared the Startup of the Year! Toshima Altplus Guangzhou, China came out as the Startup of the Year in ! Leyaoyao Guangzhou Hong Kong, Hong Kong In , is declared the Startup of the Year! Hong Kong Episode Six Kunming In , is the winner! Kunming Green A Sapporo In , is declared the Startup of the Year! Sapporo Polar Star Space Shirokanedai came out as the Startup of the Year in ! Nupp1 Shirokanedai Wuhan In , is the winner! Wuhan CSICEE Baoan, China In , is declared the Startup of the Year! Baoan Jumper Baoshan, China In , is declared the Startup of the Year! Baoshan Renren Games Chengdu, China came out as the Startup of the Year in ! Ju You Xi Chengdu Fujisawa, Japan In , is the winner! Fujisawa Scohia Pharma Fukuoka, Japan In , is declared the Startup of the Year! Fukuoka Kyulux Haidian, China came out as the Startup of the Year in ! 51vv Haidian Hongkou, China In , is the winner! Hongkou Kidstone Jiading, China In , is declared the Startup of the Year! Jiading IMRobotic Kawasaki, Japan came out as the Startup of the Year in ! QD Laser, Inc. Kawasaki Kyoto, Japan In , is declared the Startup of the Year! Kyoto Hacarus Minato, Japan In , is the winner! Minato Visionary Fun Nagoya, Japan came out as the Startup of the Year in ! Prodrone Nagoya Ningbo, China The winner in is . Ningbo OlymTech Corporation Aomori In , is declared the Startup of the Year! Aomori Forte Japan Bandai-cho In , is the winner. Bandai-cho Delta-Fly Pharm Changchun In , the Startup of the Year is . Changchun Kaidi Animation Fuchu In , is declared the Startup of the Year! Fuchu TMS Fukuoka-shi The winner in is . Fukuoka-shi SkyDisc Fukushima In , the Startup of the Year is . Fukushima Matsuri Technologies Gotanda In , is the winner. Gotanda Basset Hachioji In , is declared the Startup of the Year! Hachioji Adriakaim Harbin The winner in is J . Harbin oining Technology Iwaki In , is the winner. Iwaki Tao Engineering Izumo In , the Startup of the Year is . Izumo PuREC Kagoshima In , is declared the Startup of the Year! Kagoshima Farmers Support Kamakura In , the Startup of the Year is . Kamakura KAYAC Kami-meguro The winner in is . Kami-meguro Buzzreach Kanagawa In , is the winner. Kanagawa LoiLo Kashiwa In , the Startup of the Year is . Kashiwa Intelligent Surfaces Kita In , is declared the Startup of the Year! Kita Ax Robotix Kobe The winner in is . Kobe Coconomi Koriyama In , the Startup of the Year is . Koriyama Tocoton Kumamoto In , is the winner. Kumamoto Bloom Technology Kunitachi In , is declared the Startup of the Year! Kunitachi Trys Liaocheng The winner in is . Liaocheng Jinzheng Animation Minami In , is declared the Startup of the Year! Minami ATLAB Miyazaki In , is the winner. Miyazaki Caster Nagano In , is declared the Startup of the Year! Nagano Precision Forestry Nagaoka The winner in is . Nagaoka Plant Form Nihombashi-hamacho In , the Startup of the Year is . Nihombashi-hamacho Shizen Energy Niigata In , is declared the Startup of the Year! Niigata UniBio Japan Nishi-shinagawa In , is the winner. Nishi-shinagawa Play Heart Okayama In , is the winner! Okayama Arch Farm Okinawa In , is declared the Startup of the Year! Okinawa BlogNinja Otemachi In , the Startup of the Year is . Otemachi beBit, Inc Qingdao Shi In , is the winner! Qingdao Shi Manyoubang Quanzhou In , is declared the Startup of the Year! Quanzhou KungFu Animation Group Roppongi The winner in is . Roppongi Holo-X Saitama In , the Startup of the Year is . Saitama GameTector Sendai In , is the winner! Sendai Sendai Smart Machines Setagaya In , is declared the Startup of the Year! Setagaya Skyestate Shenzhen In , the Startup of the Year is . Shenzhen Aiator Shinjuku In , is declared the Startup of the Year! Shinjuku Scalar Shizuoka In , is the winner! Shizuoka PiPhotonics Sumida The winner in is . Sumida Holotch Tachikawa In , the Startup of the Year is . Tachikawa PlusOne Takamatsu In , is declared the Startup of the Year! Takamatsu Ken Robotec Tokushima In , is the winner! Tokushima DennoKotsu Toyonaka In , the Startup of the Year is . Toyonaka FISH BIOTECH Tsukuba In , is declared the Startup of the Year! Tsukuba WARPSPACE Wakayama In , the Startup of the Year is . Wakayama 4D Sensor Xiangzhou In , is the winner! Xiangzhou ALLiN Edutech Group Xianyang The winner in is . Xianyang TONLY Xiaoshan In , is declared the Startup of the Year! Xiaoshan GONGHUI Yamaguchi In , the Startup of the Year is . Yamaguchi Archis Yangpu The winner in is . Yangpu Tmxmall Yau Tsim Mong In , is the winner! Yau Tsim Mong Airnugget Yeoksamdong In , the Startup of the Year is . Yeoksamdong WizSchool Yichang In , is declared the Startup of the Year! Yichang Hubei Kento Electronic Yokohama In , is the winner! Yokohama Next Innovation Yubei In , the Startup of the Year is . Yubei Ophiux Network Yueqing The winner in is . Yueqing Yueqing Easythink Media Zhuhai In , is the winner! Zhuhai Aijuba Hongo In , the Startup of the Year is . Hongo Smile Robotics, Inc Admiralty In , is declared the Startup of the Year! Admiralty BUNCH Southern In , the Startup of the Year is . Southern Retykle Yongdungpo In , is the winner! Yongdungpo Push News Taichung In , is declared the Startup of the Year! Taichung Wondercise Cyberport, Hong Kong In , the Startup of the Year is . Cyberport Animoca Brands Hefei, China In , is the winner! Hefei Tsinglink New Territories, Hong Kong The winner in is . New Territories, Hong Kong Zeek Dezhou In , the Startup of the Year is . Dezhou Dezhou Baji Kitakyushu In , is declared the Startup of the Year! Kitakyushu Reif Seongnam In , is the winner! Seongnam EOFlow Yanshi In , the Startup of the Year is . Yanshi CASI Vision Top Startup Cities in South Asia Hyderabad, India The Startup of the Year in is with 962 votes Hyderabad Quixy Lahore, Pakistan is the Startup of the Year! It came out ahead with 186 votes. SmartWindows Lahore Bangalore, India When it comes to , is the Startup of the Year with 210 votes! Bangalore vBridge Hub Pune, India couldn’t be beaten for Startup of the Year in , it won with 129 votes! InfraCloud Pune Jaipur, India The Startup of the Year in is with 166 votes Jaipur Emizen Tech Lucknow, India is the Startup of the Year! It came out ahead with 279 votes. Keeros Superfoods Lucknow Noida, India came out as the Startup of the Year in with 156 votes! Bagisto Noida Mumbai, India When it comes to , is the Startup of the Year with 96 votes! Mumbai Sequretek Sylhet couldn’t be beaten for Startup of the Year in , it won with 122 votes! DataXpie Sylhet Mylapore, India In , is the winner! Mylapore Yalimart Goa, India In , the Startup of the Year is Goa Filter Coffee Delhi, India In , is declared the Startup of the Year! Delhi EkAnek Networks Karachi, Pakistan The winner in is Karachi Bykea Ahmedabad, India In , is the winner Ahmedabad MageComp Dhaka, Bangladesh The winner in is Dhaka SOLshare Islamabad, Pakistan In Islamabad, is declared the Startup of the Year! TAG Gurgaon, India In , the Startup of the Year is Gurgaon ixigo Bengaluru, India In , is the winner! Bengaluru Prakshep Private Limited Haryana, India couldn’t be beaten for Startup of the Year in ! Footprints Childcare Haryana Kolkata, India In , is the winner! Kolkata Wow! Momo New Delhi, India In , is declared the Startup of the Year! New Delhi Rusk Media Indore, India The winner in is Indore Chattar Patar Kormangala In , is the winner Kormangala Sanctum Technologies Ghaziabad came out as the Startup of the Year in Craftfurnish.com Ghaziabad! Mohali In , the Startup of the Year is Mohali DataKund Mysore The Startup of the Year in is Mysore Excelsoft Karnal came out as the Startup of the Year in ! Dunar Karnal Kolhapur In , is the winner! Kolhapur Zanvar Group Patiya In , the Startup of the Year is Patiya Kloud Project Kathmandu In , is declared the Startup of the Year! Kathmandu Vairav Technology Bangalore City, India In is the winner! Bangalore City, PagarBook Ernakulam The winner in is Ernakulam Epixel Solutions Colombo, Sri Lanka couldn’t be beaten for Startup in the Year in MAs Foods Colombo Andheri, India When it comes to , is the Startup of the Year! Andheri DoorMint Kanpur, India came out as the Startup of the Year in ! ServiceWalaa Kanpur Faisalabad In , is the winner! Faisalabad DigiKhata Nasik The Startup of the Year in is Nasik Sahyadri Farms Patna came out as the Startup of the Year in ! Asvin Tech Patna Chennai, India In , is the winner! Chennai Agnikul Cosmos Faridabad, India In , is declared the Startup of the Year! Faridabad UClean Panjim, India The winner in is Panjim TempoGO Ranchi, India In , is the winner Ranchi Osam Dairy Surat, India In , is declared the Startup of the Year! Surat Wishbook Thane, India In , is the winner! Thane Delight Foods Trivandrum, India came out as the Startup of the Year in ! GenRobotic Trivandrum Vijayawada, India In , the Startup of the Year is Vijayawada Eruvaka Technologies Visakhapatnam, India In , Ltd is declared the Startup of the Year! Visakhapatnam Greenline Labs Pvt Ahmadabad In , is the winner! Ahmadabad KiwiQA Services Bandra came out as the Startup of the Year in ! Car Club Bandra Bombay In , is the winner! Bombay Locobuddy Mobile Technology (Sportobuddy) Cochin In , the Startup of the Year is Cochin Tuttifrutti Interactive Gandhinagar In , is declared the Startup of the Year! Gandhinagar Kroop AI Guwahati In , the Startup of the Year is Guwahati GNRC Hospitals Jamshedpur In , is declared the Startup of the Year! Jamshedpur Intelliber Kabul The winner in is Kabul Miracle Shop (Vocinno Technology) Karur In , is the winner Karur Karur Vysya Bank Kochi The winner in is Kochi BestDoc Kozhikode In , is declared the Startup of the Year! Kozhikode OfficeKit HR Ludhiana In , the Startup of the Year is Ludhiana Trendy Beat Network Madhapur In , is the winner! Madhapur Head Digital Works Mangalore When it comes to , is the Startup of the Year Mangalore Hangyo Nagpur came out as the Startup of the Year in ! UPrudence Agro Nagpur Rawalpindi The Startup of the Year in is Rawalpindi Pro Options Marketing Rishikesh came out as the Startup of the Year in ! Descatuk Rishikesh Secunderabad couldn’t be beaten for Startup of the Year in Prakriti Biosystems Engineering Secunderabad Tirupur In , is the winner! Tirupur Tubeknit Fashions Udupi The winner in is Udupi Krishitantra Top Startup Cities in Southeast Asia Singapore, Singapore The Startup of the Year in is with 6556 votes! Singapore Cake DeFi Hanoi, Vietnam is the Startup of the Year! It came out ahead with 683 votes. DeFi For You Hanoi Kuala Lumpur, Malaysia came out as the Startup of the Year in with 109 votes! Trambellir Kuala Lumpur Pasig, Philippines When it comes to , . is the Startup of the Year with 110 votes! Pasig Quickreach Inc Bangkok, Thailand couldn’t be beaten for Startup in the Year in , it won with 60 votes! Perception Codes Bangkok Johor Bahru In , the Startup of the Year is . Johor Bahru AGR1 Bandung, Indonesia In , is declared the Startup of the Year! Bandung Prosa Portugal The winner in is . Portugal SCEMAI Tangerang, Indonesia In , is the winner Tangerang Yummy Corp Jakarta, Indonesia In , is the winner! Jakarta Tokocrypto Dki Jakarta, Indonesia In , is declared the Startup of the Year! Dki Jakarta Limakilo Bangkok Metropolis In , is the winner! Bangkok Meticuly Medan The winner in is ! Medan DIKA Manila, Philippines In , is declared the Startup of the Year! Manila PawnHero Phnom Penh, Cambodia In , the Startup of the Year is Phnom Penh vKirirom Bali In , is the winner! Bali Radius App Penang When it comes to , is the Startup of the Year Penang EasyParcel Surabaya came out as the Startup of the Year in ! Super Surabaya Setiabudi, Indonesia The Startup of the Year in is Setiabudi Chilibeli Cebu City came out as the Startup of the Year in MiCab Cebu City! Jawa couldn’t be beaten for Startup in the Year in DAUR Jawa Ho Chi Minh City, Vietnam In , is the winner! Ho Chi Minh City Pharmacity Selangor, Malaysia is the Startup of the Year! BabyDash Selangor Jakarta Pusat, Indonesia In , is the winner! Jakarta Pusat StickEarn Semarang When it comes to , is the Startup of the Year! Semarang Food Bear Petaling Jaya, Malaysia The winner in is . Petaling Jaya Deemples Kebayoran Baru, Indonesia couldn’t be beaten for Startup in the Year in ! Yogrt Kebayoran Baru Kuningan The winner in is . Kuningan Prinzio Bukit Merah came out as the Startup of the Year in ! DC Alliance Bukit Merah Huai Khwang In , the Startup of the Year is . Huai Khwang AppMan Co.,Ltd Kuta In , is declared the Startup of the Year! Kuta Gringgo Mandaluyong came out ahead as the Startup of the Year! Work Inspire Mandaluyong Midview City In , is the winner! Midview City BioMers Phuket The Startup of the Year in is ! Phuket Sapahn Yangon, Myanmar The winner in is . Yangon Wave Money Denpasar When it comes to , is the Startup of the Year! Denpasar Revasi Nakhon Ratchasima, Thailand The winner in is . Nakhon Ratchasima Siam Lottery co., Ltd Taguig, Philippines In , is the winner! Taguig PayMongo Bogor came out as the Startup of the Year in ! TIRANYX Bogor Senai, Malaysia won as the Startup of the Year. Nutrition Technologies Senai Bekasi Kota couldn’t be beaten for Startup in the Year in ! 8villages Bekasi Kota Top Startup Cities in Middle East Tel Aviv, Israel The Startup of the Year in is with 1,065 votes! Tel Aviv hyro Beirut, Lebanon is the Startup of the Year! It came out ahead with 1,276 votes. Hovi Digital Lab Beirut Riyadh, Saudi Arabia With 350 votes, came out as the Startup of the Year in ! Flicron Riyadh Tel Aviv-yafo, Israel When it comes to , is the Startup of the Year with 167 votes! Tel Aviv-yafo Cymbio Haifa, Israel couldn’t be beaten for Startup in the Year in , it won with 183 votes! Pico Haifa Amman, Jordan In , with 141 votes, is the winner! Amman Edexy Dubai, United Arab Emirates In , the Startup of the Year is with 74 votes. Dubai Ziina Doha, Qatar In , is declared the Startup of the Year! Doha SkipCash Tehran, Iran The winner in is . BeyondBoard AR Tehran Jerusalem, Israel In , is the winner! Jerusalem SolidBlock Rishon Le Zion The Startup of the Year in is ! Rishon Le Zion Passparto Ness Ziona, Israel is the Startup of the Year! Soapy Ness Ziona Kuwait, Kuwait came out as the Startup of the Year in ! Brapper Shop Kuwait Manama, Bahrain couldn’t be beaten for Startup in the Year in ! Doctori Manama Lod, Israel is the winner in ! Phinergy Lod Agudat Israel, Israel When it comes to is the Startup of the Year with [vote ] votes! Agudat Israel, Aqaurius Engines Beersheba, Israel In , the Startup of the Year is . Beersheba Visual Estate Ltd Giv'atayim, Israel In , is declared the Startup of the Year! Giv'atayim WSC Sports Modi'in, Israel The winner in is . Modi'in Loginno Nazareth, Israel In , is the winner! Nazareth AR Guide In Medical Ramat Gan, Israel The Startup of the Year in is . Ramat Gan Datos Health Baghdad When it comes to , is the Startup of the Year! Baghdad Mishwar Khobar In , the Startup of the Year is . Khobar Garage Misgav couldn’t be beaten for Startup in the Year in ! Eden Shield Misgav Sharjah came out as the Startup of the Year in ! Bookends Sharjah Affula In , the Startup of the Year is . Affula eMotion Technologies Bene Beraq, Israel In , is the winner Bene Beraq Reflectiz Caesarea, Israel In , the Startup of the Year is . Caesarea CardiacSense Dubayy In , is declared the Startup of the Year! Dubayy North Ladder Muscat couldn’t be beaten for Startup in the Year in ! iLab Marine Muscat Tirat Carmel In , the Startup of the Year is . Tirat Carmel PassCall Advanced Technologies Hod Hasharon, Israel The winner in is . Hod Hasharon Idomoo Holon, Israel came out ahead as the Startup of the Year! OptimalPlus Holon Jeddah, Saudi Arabia When it comes to , is the Startup of the Year! Jeddah Arabian Combustion Technologies Ramat Hasharon, Israel is the Startup of the Year! Lumen Ramat Hasharon Al Khobar came out as the Startup of the Year in ! Swyft Al Khobar Bet Shemesh In , is the winner! Bet Shemesh Degania Medical Binyamina When it comes to , is the Startup of the Year! Binyamina OncoHost Makkah In , the Startup of the Year is Makkah Scimagine Or Akiva Last but not least, couldn’t be beaten for Startup in the Year in the city of ! WMT Or Akiva More Information: If you’re a winner, please answer ! If you’re a reader, participant, just a curious individual, consider answering one of our interviews . this interview here Read the FAQs about or . Startups here here To see all of the winners you may visit , pick any city and view the name that appears at the top. this site If you’re interested in partnering with us, we invite you to look through some of these or reach out to our business department. unique sponsorship options Perhaps creating your very own tickles your fancy or maybe you have a whole new idea for how we can partner! writing contest Thank you to all of our sponsors! We truly appreciate your contribution to the tech world and thus the future! The Startups Awards are sponsored by: , , , , , , , , , , Blockster Brex FreeCodeCamp LaunchDarkly Coil Udacity Udemy Vercel Asia Pacific Transgender Network Bybit Everscale Network The post was written by Kushal Tamrakar and Valerie Ejegi, edited by Hang Ngo. If you have any questions or concerns or would like to report a discrepancy please email ellen@hackernoon.com.

Meet the Winners of Startups in Asia

Let's learn about via these 53 free stories. They are ordered by most time reading created on HackerNoon. Visit the to find the most read stories about any technology. Data Scraping /Learn Repo 1. How I Successfully "Reverse-Engineered" ChatGPT to Create an Unofficial API Wrapper Scraping ChatGPT with Python 2. How POST Requests with Python Make Web Scraping Easier To scrape a website, it’s common to send GET requests, but it's useful to know how to send data. In this article, we'll see how to start with POST requests. 3. AutoScraper Introduction: Fast and Light Automatic Web Scraper for Python In the last few years, web scraping has been one of my day to day and frequently needed tasks. I was wondering if I can make it smart and automatic to save lots of time. So I made AutoScraper! 4. How To Scrape Google With Python Ever since Google Web Search API deprecation in 2011, I've been searching for an alternative. I need a way to get links from Google search into my Python script. So I made my own, and here is a quick guide on scraping Google searches with requests and Beautiful Soup. 5. My Journey Building a Scraper with Ruby Last week I finished my Ruby curriculum at Microverse. So I was ready to build my Capstone Project. Which is a solo project at the end of each of the Microverse technical curriculum sections. 6. How to Scrape NLP Datasets From Youtube Too lazy to scrape nlp data yourself? In this post, I’ll show you a quick way to scrape NLP datasets using Youtube and Python. 7. How to Scrape Data From Any Website With JavaScript Learn how to scrape the web using scripts written in node.js to automate scraping data off of the website and using it for whatever purpose. 8. Playwright Vs Selenium: Comparing the Two A brief comparison between Selenium and Playwright from a web scraping perspective. Which one is the most convenient to use? 9. How Web Scraping Helps Businesses Outperform Their Competition It’s safe to say that the amount of data available on the internet nowadays is practically limitless, with much of it no more than a few clicks away. However, gaining access to the information you need sometimes involves a lot of time, money, and effort. 10. Web Scraping Using Node.js While there are a few different libraries for scraping the web with Node.js, in this tutorial, i'll be using the puppeteer library. 11. Web Scraping con Python: Guía Paso a Paso La necesidad de extraer datos de sitios web está aumentando. Cuando realizamos proyectos relacionados con datos, como el monitoreo de precios, análisis de negocios o agregador de noticias, siempre tendremos que registrar los datos de los sitios web. Sin embargo, copiar y pegar datos línea por línea ha quedado desactualizado. En este artículo, le enseñaremos cómo convertirse en un "experto" en la extracción de datos de sitios web, que consiste en hacer web scraping con python. 12. America's Secret Pager Giant Early January 2022, I spontaneously bought a pager. I looked into the US pager market, and to my surprise... 13. 8 Browser Extensions for Scraping Google Maps like a Pro These extensions for scraping Google maps can be used for a number of purposes in various situations that can be either data collection or market research. 14. How Do I Build a LinkedIn Scraper For Free? Check out this step-by-step guide on how to build your own LinkedIn scraper for free! 15. What is Web Data Collection? Everything you need to know to automate, optimize and streamline the data collection process in your organization! 16. How To Scrape Amazon, Yelp and GitHub Profiles in 30 Seconds The most talented developers in the world can be found on GitHub. What if there was an easy, fast and free way to find, rank and recruit them? I'll show you exactly how to to this in less than a minute using free tools and a process that I've hacked together to vet top tech talent at BizPayO. 17. Web Scraping con Python: Guía Paso a Paso La necesidad de extraer datos de sitios web está aumentando. Cuando realizamos proyectos relacionados con datos, como el monitoreo de precios, análisis de negocios o agregador de noticias, siempre tendremos que registrar los datos de los sitios web. Sin embargo, copiar y pegar datos línea por línea ha quedado desactualizado. En este artículo, le enseñaremos cómo convertirse en un "experto" en la extracción de datos de sitios web, que consiste en hacer web scraping con python. 18. Web Crawling vs Scraping: What's the Difference Between Crawlers and Scrapers? Learn the fundamental distinctions between web crawling and web scraping, and determine which one is right for you. 19. Where Do I Find the Right Social Media Marketing Data? As a marketer, you probably know that social media marketing is part art, part science. 20. Scraping Google Search Console Backlinks Learn how to emulate a normal user request and scrape Google Search Console data using Python and Beautiful Soup. 21. How to Use Web Scraping to Empower Marketing Decisions Learn how to leverage web scraping in marketing. In this article, we unpack use cases and tips for getting started. 22. Scraping Glassdoor Job Data Glassdoor is one of the biggest job markets in the world but can be hard to scrape. In this article, we'll legally extract job data with Python & Beautiful Soup 23. Scraping Tweet Replies with Python and Tweepy Twitter API [A Step-by-Step Guide] A Quick Method To Extract Tweets and Replies For Free 24. Las 15 preguntas más frecuentes sobre Web Scraping Previously published at https://www.octoparse.es/blog/15-preguntas-frecuentes-sobre-web-scraping 25. A Step-by-Step Guide to Building a Football Data Scraper Scraping football data (soccer in the US) is a great way to build comprehensive datasets to help create stats dashboards.  Check out our football data scraper! 26. An Intro to No-Code Web Scraping Web scraping has broken the barriers of programming and can now be done in a much simpler and easier manner without using a single line of code. 27. How is Web Crawling Used in Data Science No-Code tools for collecting data for your Data Science project 28. How to Build a Web Crawler from Scratch How often have you wanted a piece of information and have turned to Google for a quick answer? Every piece of information that we need in our daily lives can be obtained from the internet. You can extract data from the web and use it to make the most effective business decisions. This makes web scraping and crawling a powerful tool. If you want to programmatically capture specific information from a website for further processing, you need to either build or use a web scraper or a web crawler. We aim to help you build a web crawler for your own customized use. 29. How to Develop a Price Comparison Tool in Python Online Shopping for various commodities is no more a luxury but has rather become a necessity now. Getting your desired product on your doorstep has made it easier for consumers to shop effortlessly. As a result, several niche e-commerce or generic shopping sites pop up every year. This trend is not limited to some specific region rather it’s a global phenomenon now, as more and more people are preferring online shopping over visiting outlets due to traffic congestions and ease of purchasing. This is why it’s predicted that by 2021, overall 15.5% of sales will be generated via online websites. 30. PHP Web Scraping Using Goutte When you talk about web scraping, PHP is the last thing most people think about. 31. How To Monitor a Forum for Keywords Using Python and AWS Lambda While building ScrapingBee I'm always checking different forums everyday to help people about web scraping related questions and engage with the community. 32. The Evolution of Big Data And Web Scraping As the CEO of a proxy service and data scraping solutions provider, I understand completely why global data breaches that appear on news headlines at times have given web scraping a terrible reputation and why so many people feel cynical about Big Data these days. 33. How To Create A Slick iOS Widget In JavaScript With a Scriptable app, it’s possible to create a native iOS widget even with basic JavaScript knowledge. 34. Scraping Amazon using Puppeteer and Browserless An easy tutorial showcasing the power of puppeteer and browserless. Scrape Amazon.com to gather prices of specific items automatically! 35. 3 Mejores Formas de Crawl Datos desde Website La necesidad de crawling datos web ha aumentado en los últimos años. Los datos crawled se pueden usar para evaluación o predicción en diferentes campos. Aquí, me gustaría hablar sobre 3 métodos que podemos adoptar para scrape datos desde un sitio web. 36. An Intro to Web Scraping: What it is and How to Start A quick introduction to web scraping, what it is, how it works, some pros and cons, and a few tools you can use to approach it 37. Data Scraping in Node.js 101 How to gather data without those pesky databases. 38. How to Scrape Bestbuy Products with Scrapezone SDK Welcome to the new way of scraping the web. In the following guide, we will scrape BestBuy product pages, without writing any parsers, using one simple library: Scrapezone SDK. 39. A Quick Primer on Data Scraping Suppose you want to get large amounts of information from a website as quickly as possible. How can this be done? 40. A Guide to Web Scraping With JavaScript and Node.js With the massive increase in the volume of data on the Internet, this technique is becoming increasingly beneficial in retrieving information from websites and applying them for various use cases. Typically, web data extraction involves making a request to the given web page, accessing its HTML code, and parsing that code to harvest some information. Since JavaScript is excellent at manipulating the DOM (Document Object Model) inside a web browser, creating data extraction scripts in Node.js can be extremely versatile. Hence, this tutorial focuses on javascript web scraping. 41. How to Extract Knowledge from Wikipedia, Data Science Style As Data Scientists, people tend to think what they do is developing and experimenting with sophisticated and complicated algorithms, and produce state of the art results. This is largely true. It is what a data scientist is mostly proud of and the most innovative and rewarding part. But what people usually don’t see is the sweat they go through to gather, process, and massage the data that leads to the great results. That’s why you can see SQL appears on most of the data scientist position requirements. 42. How to Scrape a Medium Publication: A Python Tutorial for Beginners A while ago I was trying to perform an analysis of a Medium publication for a personal project. But getting the data was a problem – scraping only the publication’s home page does not guarantee that you get all the data you want. 43. Scraping Data With Selenium: Upwork Series #2 Hi Devs! 44. How To Scrape Amazon Using Python Scrapy Library [Tutorial] Scrapy is an application framework for crawling web sites and extracting structured/unstructured data which can be used for a wide range of applications such as data mining, information processing or historical archival.As we all know, this is the age of “Data”. Data is everywhere, and every organisation wants to work with Data and take its business to a higher level. In this scenario Scrapy plays a vital role to provide Data to these organisations so that they can use it in wide range of applications. Scrapy is not only able to scrap data from websites, but it is able to scrap data from web services. 45. Scraping Amazon Reviews using Scrapy in Python [Tutorial] Are you looking for a method of scraping Amazon reviews and do not know where to begin with? In that case, you may find this blog very useful in scraping Amazon reviews. In this blog, we will discuss scraping amazon reviews using Scrapy in python. Web scraping is a simple means of collecting data from different websites, and Scrapy is a web crawling framework in python. 46. 5 Técnicas Anti-Scraping que Puedes Encontrar Con el advenimiento de los grandes datos, las personas comienzan a obtener datos de Internet para el análisis de datos con la ayuda de rastreadores web. Hay varias formas de hacer su propio rastreador: extensiones en los navegadores, codificación de python con Beautiful Soup o Scrapy, y también herramientas de extracción de datos como Octoparse. 47. How Can The Travel Industry Benefit From Data Scraping The travel industry is a major service sector in most countries these days. It is also a major employment and revenue provider. This demands a lot of constant innovation and maintenance. The travel industry is a dynamic industry where the needs and preferences of a customer change every moment. The market players in this field need to keep up with the trends in the industry, the choices of the customers and even on the details of their own historical performance to perform better as time progresses. Thus, as you would presume, the companies working in the travel sector need a lot of data from multiple sources and a pipeline to assess and use that data for insights and recommendations. 48. The A-Z of Web Scraping in 2020 [A How-To Guide] Web data extraction or web scraping in 2020 is the only way to get desired data if owners of a web site don't grant access to their users through API. 49. How to Web Scrape Using Python, Snscrape & HarperDB Learn how  to execute web scraping on Twitter using the snsscrape Python library and store scraped data automatically in database by using HarperDB. 50. Big Data: 70 Increíbles Fuentes de Datos Gratuitas que Debes Conocer para 2020 Por favor clic el artículo original：http://www.octoparse.es/blog/70-fuentes-de-datos-gratuitas-en-2020 51. Scraping with Selenium 101: The Big Hole on Data Scientists Toolset [Part 1] Usually forgotten in all Data Science masters and courses, Web Scraping is, in my honest opinion a basic tool in the Data Scientist toolset, as is the tool for getting and therefore using external data from your organization when public databases are not available. 52. Python for Data Science: How to Scrape Website Data via the Internet's Top 300 APIs In this post we are going to scrape websites to gather data via the  API World's top 300 APIs of year. The major reason of doing web scraping is it saves time and avoid manual data gathering and also allows you to have all the data in a structured form. 53. How To Build a First Strike OTM Call Options Watchlist from Cashtags wHAOR Today, We're going to build a script that scrapes Twitter to gather stock ticker symbols. We'll use those symbols to scrape yahoo finance for stock Options data. To ensure we can download all the Options data, we’ll make each web request with High Availability Onion Routing. In the end, we’ll do some Pandas magic to pull the first out of the money call contract for each symbol into the final watchlist. Thank you for checking out the 53 most read stories about Data Scraping on HackerNoon. to find the most read stories about any technology. Visit the /Learn Repo

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Scientific American, Volume XXIV., No. 12, March 18, 1871 by Various, is part of the HackerNoon Books Series. You can jump to any chapter in this book . Official lists of patents here Official lists of patents ISSUED BY THE U. S. PATENT OFFICE. FOR THE WEEK ENDING MARCH 7, 1871. Reported Officially for the Scientific American. SCHEDULE OF PATENT FEES On each Caveat $10 On each Trade-Mark $25 On filing each application for a Patent, (seventeen years) $15 On issuing each original Patent $20 On appeal to Examiners-in-Chief $10 On appeal to Commissioner of Patents $20 On application for Reissue $30 On application for Extension of Patent $50 On granting the Extension $50 On filing a Disclaimer $10 On an application for Design (three and a half years) $10 On an application for Design (seven years) $15 On an application for Design (fourteen years) $30 For Copy of Claim of any Patent issued within 30 years $1 A sketch from the model or drawing, relating to such portion of a machine as the Claim covers, from upward, but usually at the price above-named. $1 The full Specification of any patent issued since Nov. 20, 1866 at which time the Patent Office commenced printing them $1.25 Official Copies of Drawings of any patent issued since 1836, we can supply at a reasonable cost, the price depending upon the amount of labor involved and the number of views. Full information, as to price of drawings, in each case, may be had by addressing MUNN & CO., Patent Solicitors, 37 Park Row, New York. 112,309.—Hose Sprinkler.—William Anderson, San Francisco, Cal. 112,310.—Locomotive Spark Arrester.—J. G. Armstrong, New Brunswick, N. J. 112,311.—Tool for Carriage Makers' Use.—George Atkinson, San Francisco, Cal. 112,312.—Potato Probe.—John A. Beal, Waterford, N. Y. 112,313.—Hinge for Carriage Doors.—George W. Beers, Bridgeport, Conn. 112,314.—Stove Leg.—James Birckhead, Jr., Baltimore, Md. 112,315.—Clothes Pin.—Orris A. Bishop, Chicago, Ill. 112,316.—Manufacture of Rochelle Salts and Borax.—V. G. Bloede, Brooklyn, N. Y. 112,317.—Beehive.—Felix Brewer, Waynesville, Mo. 112,318.—Thill Coupling.—Theodore Burr (assignor to Allen Muir and Henry Muir), Battle Creek, Mich. 112,319.—Evaporating Pan for Saccharine Liquids.—F. C. Butler, Bellows Falls, Vt., assignor to himself and James B. Williams, Glastonbury, Conn. 112,320.—Door Securer.—William H. Caldwell, Wheeling, W. Va. 112,321.—Toe-calk Bar.—R. B. Caswell, Springfield, Mass. Antedated March 2, 1871. 112,322.—Glass Flattening Furnace and Leer.—James Clabby, Lenox, Mass. 112,323.—Spring Bed Bottom.—Alex. Cole, Manamuskin, N. J. 112,324.—Water Wheel.—E. E. Coleman, West Cummington, Mass. 112,325.—Toy Horse and Carriage.—John B. Cuzner, Bridgeport, Conn. 112,326.—Mackerel-line Holder.—E. L. Decker, Southport, Me. 112,327.—Sewing Machine.—J. William Dufour, Stratford, Conn. 112,328.—Steam Boiler.—Edwards Evans, North Tonawanda, N. Y. 112,329.—Medical Compound for Cure of Catarrh and Asthma.—Erastus Field, Ostrander, Ohio. 112,330.—Machine for Grinding the Cutters of Mowers, etc.—H. C. Fisk, Wellsville, N. Y. 112,331.—Machine for Making Hooks and Eyes.—Jeremy T. Ford, San Francisco, Cal. 112,332.—Churn.—Thompson Freeman, Westfield, Ill. 112,333.—Attachment for Revolving Mold Boards for Plows.—J. S. Godfrey, Leslie, Mich., assignor to himself and S. M. Loveridge, Pittsburgh, Pa. 112,334.—Grain Cleaner and Fertilizer Sifter.—J. A. Green, Mill Dale, Va. 112,335.—Screw Propulsion.—E. C. Gregg (assignor to A. H. Gregg and C. P. Gregg), Trumansburg, N. Y. 112,336.—Seeding Machine.—P. M. Gundlach, Belleville, Ill. 112,337.—Compound for Kindling Fires.—J. L. Hannum and S. H. Stebbins, Berea, Ohio. 112,338.—Lawn Mower.—Benjamin Harnish, Lancaster, and D. H. Harnish, Pequea, Pa. 112,339.—Composition for Pavements.—C. B. Harris, New York city. Antedated February 25, 1870. 112,340.—Spring for Vehicles.—John R. Hiller, Woodland, Cal. 112,341.—Harvester Rake.—S. T. Holly, (assignor to John P. Manny), Rockford, Ill. 112,342.—Door Clamp.—Henry O. Hooper, Diamond Springs, Cal. 112,343.—Taper Holder.—Thomas W. Houchin, Morrisania, N. Y. 112,344.—Metallic Garter.—Henry A. House, Bridgeport, Conn. 112,345.—Bobbin Winder.—Henry A. House, Bridgeport, Conn. 112,346.—Method of Knitting Stockings, etc.—Henry A. House, Bridgeport, Conn. 112,347.—Apparatus for Evaporating and concentrating Liquids.—John Howarth, Salem, Mass. Antedated March 1, 1871. 112,348.—Apparatus for Evaporating and Concentrating Liquids.—John Howarth, Salem, Mass. Antedated March 1, 1871. 112,349.—Apparatus for Removing Oil from Vegetable and other Matters.—Elias S. Hutchinson, Baltimore, Md. 112,350.—Apparatus and Process for Removing Oil from Grain, Seeds, etc.—Elias S. Hutchinson, Baltimore, Md. 112,351.—Chandelier.—Charles F. Jacobsen, New York city. 112,352.—Culinary Vessel.—Carrie Jessup, New Haven, Conn. 112,353.—Machine for Cutting Leather.—Aberdeen Keith, North Bridgewater, Mass. 112,354.—Attaching Knobs to their Spindles.—John F. Keller and Nathaniel Sehner, Hagerstown, Md. 112,355.—Miter Machine.—T. E. King, Boston, Mass. 112,356.—Take-up for Corset Looms.—Julius Kuttner, New York city. 112,357.—Elevator and Carrier.—T. W. Lackore, Worth, Ill. 112,358.—Apparatus for Burning Hydrocarbon Oils.—James R. Lee, Grass Valley, Cal. 112,359.—Burglar Alarm.—Robert Lee, Cincinnati, Ohio. 112,360.—Telegraph Apparatus.—L. T. Lindsey, Jackson, Tenn. 112,361.—Harvester.—J. P. Manny, Rockford, Ill. 112,362.—Harvester.—J. P. Manny, Rockford, Ill. 112,363.—Harvester Rake.—J. P. Manny, Rockford, Ill. 112,364.—Cheese Curd Sink.—H. C. Markham, Collinsville, N. Y. 112,365.—Mowing Machine.—H. C. Markham and Dewitt C. Markham, Collinsville, N. Y. 112,366.—Propeller.—Alex. J. Marshall, Warrenton, Va. Antedated March 3, 1871. 112,367.—Oiler.—Edward McDuff and E. D. Forrow, Warwick, R. I. 112,368.—Wash Boiler.—John McInnes, Oxford, Pa. 112,369.—Propelling Canal Boats.—H. B. Meech, Fort Edward, N. Y. Antedated February 25, 1871. 112,370.—Water-proof Compound for Coating Cloth Wood, Metals, etc.—Peter E. Minor, Schenectady, N. Y. 112,371.—Cooking Stove.—W. N. Moore, Neenah, Wis. 112,372.—Boring Machine.—J. H. Pardieck (assignor to himself and S. M. Brown), Acton, Ind. 112,373.—Vapor Burner.—R. W. Park, Philadelphia, Pa. 112,374.—Machine for Pointing Blanks for Cultivator Teeth.—John Pedder and George Abel, West Pittsburgh, Pa. 112,375.—Bale Tie.—J. E. Perkins, San Francisco, Cal. 112,376.—Lining Walls with Felt, etc.—James Phillips, Chicago, Ill. 112,377.—Cooking Stove.—Samuel Pierce, Boston, Mass. 112,378.—Tack.—A. A. Porter, New Haven, Conn. Antedated Feb. 25, 1871. 112,379.—Machine for Shaping and Cutting Gear Cutters.—F. A. Pratt (assignor to the Pratt & Whitney Company), Hartford, Conn. 112,380.—Combination Camera and Developing Box.—E. C. Ratzell, Philadelphia, Pa. 112,381.—Punching Machine.—J. C. Rhodes, South Abington, Mass. 112,382.—Washing Machine.—J. W. Ricker, Chelsea, Mass. 112,383.—Curtain Fixture.—Charles Robin. Chester, Conn. 112,384.—Machine for Making Printers' Leads.—Isaac Schoenberg, New York city. 112,385.—Slide Valve for Steam Riveting Machines.—Coleman Sellers (assignor to William Sellers & Co.), Philadelphia, Pa. 112,386.—Machine for Polishing Thread.—Samuel Semple, Sr., John Semple, Samuel Semple, Jr., and R. A. Semple, Mount Holly, N. J. 112,387.—Paint Brush.—F. S. Shearer, Washington, Ill. 112,388.—Bee Hive.—S. A. Short, F. J. Short, J. B. Short, and Jasper Kile, Decatur, Ala. 112,389.—Apparatus for Removing Oil from Vegetable and other Matter.—Thomas Sim, Baltimore, Md. 112,390.—Retort for Producing Bisulphide of Carbon.—Thomas Sim, Baltimore, Md. 112,391.—Utilizing the Silky Down of the Wild Cotton. —M. H. Simpson, Boston, Mass. 112,392.—Pruning Shears.—Frank Smiley, Batavia, N. Y. 112,393.—Water-closet Valve.—A. J. Smith, San Francisco, Cal. 112,394.—Gang Plow.—J. W. Sursa, San Leandro, Cal. 112,395.—Grinding Pan and Amalgamator.—W. H. Thoss, West Point, Cal. 112,396.—Street Lantern.—Augustus Tufts, Malden, Mass. 112,397.—Cooking Stove.—Alvin Warren, Swanton, Ohio. 112,398.—Safety Bridle.—James Weatherhead, San José, Cal. 112,399.—Fire Grate.—George Wellhouse, Akron, Ohio. 112,400.—Hay Knife.—G. F. Weymouth, Dresden, Me. 112,401.—Claw Bar.—Charles Winter, Chillicothe, Ohio. 112,402.—Steam Generator.—J. C. Woodhead, Pittsburgh, Pa. 112,403.—Animal Trap.—W. D. Wrightson, Queenstown England. 112,404.—Brush.—John Ames, Lansingburg, N. Y. 112,405.—Clod Fender.—F. L. Bailey, Freeport, Ind. 112,406.—Ruler.—H. S. Ball, Spartanburg, S. C. 112,407.—Fanning Mill.—Benjamin Barney, Time, Ill. 112,408.—Ice-cutting Machine.—Lafayett Barnum (assignor to himself and A. R. Hale), Bridgeport, Conn. 112,409.—Manufacture of Ice.—T. J. Bigger, Kansas City, Mo. 112,410.—Machine for Heading Bolts and Spikes.—Reinhold Boeklen, Brooklyn, N. Y., assignor to himself and Henry Torstrick New York city. Antedated Feb. 28, 1871. 112,411.—Washing Machine.—Joseph Boswell, L. M. Boswell, Jonathan Palmer, and J. H. James (assignors to themselves and Thomas Starbuck), Wilmington, Ohio. 112,412.—Water Wheel.—E. C. Boyles, New York city. 112,413.—Cotton Press.—R. M. Brooks, Pike county, Ga. 112,414.—Paper-cutting Machine.—Samuel Brown (assignor to himself and C. R. Carver), Philadelphia, Pa. 112,415.—Governor for Direct-acting Engines.—A. S. Cameron, New York city. 112,416.—Governor for Direct-acting Engines.—A. S. Cameron, New York city. 112,417.—Butt Hinge.—J. W. Carleton (assignor to the Union Manufacturing Co.), New Britain, Conn. 112,418.—Machine for Cutting Sheet Metal.—C. R. Choate, East Saginaw, Mich. 112,419.—Bit Brace.—William Cleveland, Lawrence, Mass., assignor to himself and James Swan, Seymour, Conn. 112,420.—Steam Engine Governor.—C. A. Condé, Indianapolis, Ind. 112,421.—Carpet-cleaning Machine.—J. C. Craft (assignor to himself and Antonio Rosello), Baltimore, Md. 112,422.—Steam Regulator for Paper Dryers.—Daniel Crosby, Hampden, Me. 112 423.—Metallic Piston and Valve Rod Packing.—G. M. Cruickshank, Providence, R. I. 112,424.—Grain-thrashing and Separating Machine.—John Culham, Grand Rapids, Mich. Antedated Feb. 25, 1871. 112,425.—Cooking Stove.—David Curtis, Mishawaka, assignor to himself and C. B. Graham, South Bend, Ind. 112,426.—Lightning Rod.—S. D. Cushman, New Lisbon, Ohio. 112,427.—Hose Bridge.—Patrick Daily (assignor to himself and J. J. Kehoe), New York city. 112,428.—Cover for Openings in Sidewalks.—William Dale, New York city. 112,429.—Rotary Pump.—F. O. Deschamps, Philadelphia, Pa. 112,430.—Machine for Cutting Files.—James Dodge, Manchester, England, assignor to David Blake, Spencertown, N. Y. 112,431.—Coupling for Railway Cars.—Henry Dubs and S. G. Goodall-Copestake, Glasgow, Great Britain. 112,432.—Tobacco Pipe.—P. J. Dwyer, Elizabethport, N. J. 112,433.—Basket for House Plants.—Albert P. Eastman, Washington, D. C. 112,434.—Sulky Plow.—Milo A. Elliott, Stratford Hollow, N. H. 112,435.—Stretcher for Paintings.—James Fairman, New York city. 112,436.—Body Lantern Holder.—Samuel C. Fessenden, Stamford, Conn. 112,437.—Stove Leg.—Amon L. Finch, Sing Sing, N. Y. 112,438.—Pump Piston.—John S. Follansbee and George Doolittle (assignors to the Forrester Manufacturing Company), Bridgeport, Conn. 112,439.—Shoe.—Samuel W. Francis (assignor to himself and W. H. Newton), Newport, R. I. 112,440.—Guard-Finger for Harvesters.—George Fyfe and Chester Hard, Ottawa, Ill. 112,441.—Dining Table.—S. R. Gardner (assignor to himself and S. M. Marquette), Independence, Iowa. 112,442.—Step Ladder.—M. Boland Geary, New York City. 112,443.—Oilcloth Printing Machinery.—Ebenezer A. Goodes (assignor to Philadelphia Patent and Novelty Company), Philadelphia, Pa. 112,444.—Tenoning Machine.—Lyman Gould, Norwich, Conn. 112,445.—Printer's Case.—Wm. H. A. Gresham, Atlanta, Ga. 112,446.—Lamp Chimney.—Geo. W. Griswold, Factoryville, Pa. 112,447.—Grain Separator.—Philander Griswold, Hudson, Mich. 112,448.—Clamp for Thill Couplings.—John W. Guider (assignor to himself and John Kiefer), St. Joseph, Mo. 112,449.—Bird Cage.—Gottlob Gunther, New York city. 112,450.—Stop Cock and Valve.—William Haas, New York city. 112,451.—Valve for Steam Engines.—Joseph L. Harley, Baltimore, Md., and Xaver Fendrich, Georgetown, D. C. 112,452.—Metallic Hub.—John H. Harper, Pittsburgh, Pa. 112,453.—Composition for Lubricating Machinery.—E. Q. Henderson (assignor to John C. Burroughs and Richard A. Springs) Charlotte, N. C. 112,454.—Post-hole Digger.—Bryant B. Herrick, Decatur, Mich. 112,455.—Door Check.—Levi S. Hicks (assignor to himself, J. Perrin Johnson, and John Buell), Peoria, Ill. 112,456.—Railway-car Brake.—Luther Hill, Stoneham, and Seth D. Tripp, Lynn, Mass. 112,457.—Truss.—Adam Hinoult, Montgomery, N. Y. 112,458.—Feed Bag for Horses.—Walter A. Hough, South Butler, N. Y. 112,459.—Shade Holder for Lamps—Mark W. House, Cleveland, Ohio. 112,460.—Lamp Chimney.—Mark Wiggins House (assignor to the Cleveland Non-Explosive Lamp Company), Cleveland, Ohio. Antedated March 1, 1871. 112,461.—Horse Hay Rake.—James Howard and E. T. Bousfield, Bedford, England. 112,462.—Tongs for Rolling Barrels.—Mark W. Ingle, Indianapolis, Ind. 112,463.—Pitman.—George W. Jayson, Lodi, Ohio. 112,464.—Paste for Paper Hangings.—John Jones (assignor to himself and Henry A. Smith), New York city. 112,465.—Twine Holder.—Edward M. Judd, New Haven, Ct. 112,466.—Clothes Pin or Clasp.—Amos L. Keeports and William Yount, Littletown, Pa. 112,467.—Putting up Hams.—Samuel Edward Kelly, Philadelphia, Pa. 112,468.—Limn Kiln.—Thomas A. Kirk, Kansas City, Mo. 112,469.—Fastening for Seats for Wagons or Sleighs.—John G. Knapp and John F. Robertson (assignors of one third their right to James H. Holly), Warwick, N. Y. 112,470.—Potato Planter.—George Knowlton (assignor for one-half his right to N. Haynes), Johnstown, Pa. 112,471.—Revolving Firearm.—Edwin S. Leaycroft, Brooklyn, N. Y., assignor by mesne assignment, to "Colt's Patent Firearms Manufacturing Company," Hartford, Conn. 112,472.—Revolving Firearm.—Edwin S. Leaycroft, Brooklyn, N. Y., assignor, by mesne assignment, to "Colt's Patent Firearms Manufacturing Company," Hartford, Conn. 112,473.—Railroad Cattle-Guard Gate.—J. H. Mallory, La Porte, Ind. 112,474.—Back-reflecting Mirror.—Richard Mason (assignor to himself and Matthew Ely), Newark, N. J. 112,475.—Ventilator and Chimney Top.—James McGowan (assignor to himself and Daniel H. Waring), New York city. 112,476.—Apparatus for Rectifying and Refining Spirits.—Frederick Measey (assignor to himself and Henry D. Fling), Philadelphia, Pa. 112,477.—Tin Can.—John F. Merrill (assignor to himself and Alexander Stewart), Cincinnati, Ohio. 112,478.—Take-up Mechanism for Looms.—John Michna and Joseph Fischer, New York city. 112,479.—Combined Baker and Broiler.—Wm. H. Miller, Brandenburg, Ky. 112,480.—Shuttle for Sewing Machines.—James D. Moore, Grinnell, Iowa. 112,481.—Cotton Chopper and Grain Cultivator.—Daniel Mosely, Osark, Arkansas. 112,482.—Sad and Fluting Iron.—Frederick Myers, New York city. 112,483.—Reed for Organs and Melodeons.—Augustus Newell, Chicago, Ill. 112,484.—Straw Cutter.—Amon Park, Germanville, Iowa. 112,485.—Apparatus for Aging Whisky and Other Spirits.—Josiah Peiffer and Samuel Richards, Valonia, Pa. 112,486.—Combined Cotton and Corn Planter.—Louis A. Perrault (assignor to himself and Joseph Huber), Natchez, Miss. 112,487.—Faucet.—Solomon Pfleger, Reading, assignor to himself and J. S. Pfleger, Tamaqua, Pa. 112,488.—Treadle.—George K. Proctor, Salem, Mass. 112,489.—Lubricating Compound.—Victory Purdy, Poughkeepsie, N. Y. 112,490.—Fertilizer and Seeding Machine.—Archibald Putnam (assignor to Elizabeth Putnam), Owego, N. Y. 112,491.—Rotary Pump.—George W. Putnam, South Glens Falls, N. Y. 112,492.—Hat Brush.—Robert Dunbar Radcliffe, Palmyra, N. Y. 112,493.—Refrigerating Show Case.—Thomas L. Rankin, Lyndon, Kansas, assignor to himself and D. W. Rockwell, Elyria, Ohio. 112,494.—Device for Starting and Stopping Cars.—Philip Rhoads, Carlisle, Pa. 112,495.—Pipe-molding Machine.—George Richardson, Milwaukee, Wis. 112,496.—Sulky Cultivator.—Richard B. Robbins, Adrian, Mich. 112,497.—Hand Plow.—Nelson Rue, Harrodsburg, Ky. 112,498.—Mechanical Movement.—Edward G. Russell, Ravenna, Ohio. 112,499.—Railway Car Brake.—Lyman Alphonzo Russell, Shrewsbury, Vt. 112,500.—Stovepipe Cleaner.—David Sanford, Ashton, Ill. 112,501.—Twine Holder.—Joseph B. Sargent and Purmont Bradford (assignors to Sargent & Co.), New Haven, Conn. 112,502.—Dovetailing Machine.—James M. Seymour, Newark, N. J. 112,503.—Wooden Pavement.—Eaton Shaw, Portland, Me. 112,504.—Guard for Circular Saws.—George W. Shipman, Ischua, N. Y. 112,505.—Breech-loading Firearm.—Dexter Smith and Martin J. Chamberlin, Springfield, Mass. 112,506.—Spark Arrester.—James Smith, Altoona, Pa. 112,507.—Horse Hay Rake.—Solomon P. Smith, Waterford, N. Y. 112,508.—Plow.—S. M. Stewart, New Harrisburg, Ohio. 112,509.—Medical Compound for Treating Fever and Ague.—George E. Swan, Mount Vernon, Ohio. 112,510.—Device for Cooling Journals of Car Axles.—Henry G. Thompson, Milford, Conn. 112,511.—Cooling Journal of Car Axles.—Henry G. Thompson, Milford, Conn. 112,512.—Cooling Journal of Car-wheel Axles.—Henry G. Thompson, Milford, Conn. 112,513.—Device for Cooling Journals of Railway Cars.—Henry G. Thompson, Milford, Conn. 112,514.—Non-heating Handle for Sad Irons, etc.—William H. Towers, Boston, Mass. 112,515.—Lubricator.—John Erst Uhl, Renovo, Pa. 112,516.—Combined Corn Planter and Cultivator.—Franklin Underwood, South Rutland, N. Y. 112,517.—King Bolt.—Wendel Vondersaar, Indianapolis, Ind. 112,518.—Wheat Roaster.—George W. Waitt (assignor to himself and Robert B. Fitts), Philadelphia, Pa. 112,519.—Plaster Sower.—Thomas J. West, Alfred Center, N. Y. 112,520.—Ticket Holder.—Henry Wexel, Providence, R. I. 112,521.—Tobacco Press.—Abraham N. Zell, Lancaster, Pa. 112,522.—Combined Bag Holder and Scales.—William Zimmerman, Lebanon, Pa. Antedated February 25, 1871. 112,523.—Breech-loading Firearm.—James M. Mason, Washington, D. C. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Various (2006). Scientific American, Volume XXIV., No. 12, March 18, 1871. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/19180/pg19180-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

Official lists of patents

Scientific American, Volume 40, No. 13, March 29, 1879, by Various, is part of the HackerNoon Books Series. You can jump to any chapter in this book . RECENT AMERICAN PATENTS. here RECENT AMERICAN PATENTS. Enos Richmond, of Troy, N. Y., has invented a steak tenderer, having a plunger studded with chisel-pointed rods, and arranged in a case in connection with an elevating spring. A blow upon the knob at the top of the plunger forces the chisel-pointed rods through holes in the casing into the meat, the casing resting on the surface of the steak. Messrs. A. W. Southard and Volney R. Sears, of Falls City, Neb., have patented an improved invalid bedstead, which is provided with ingenious mechanism for placing the invalid in different positions. An improved spring attachment for carriage tops, which is designed to prevent the rear bow from being bent by the weight of the top when turned back, has been patented by Mr. Robert E. McCormick, of Doylestown, O. Mr. Espy Gallipher, of Schellsburg, Pa., has devised an axle journal having a groove lengthwise upon its upper side which extends back upon the surface of the axle and communicates with an oil cup. A sliding rod occupies a portion of the groove; when this rod is drawn out it permits the oil to fill the groove; when it is pushed into the groove in the axle, the oil is ejected and a further supply is cut off. An improved pill machine, invented by Messrs. W. N. Fort and R. R. Moore, of Lewisville, Ark., is adapted to the manufacture of pills in large quantities. The machine has mechanism for grinding and mixing ingredients, a grooved wheel and trough for forming the pills, and a device for applying powder. An improvement in millstone adjustments has been patented by Mr. Stephen P. Walling, of South Edmeston, N. Y. This invention consists in a screw applied to the end of the mill spindle on which the stone is rigidly held, so that the running stone may be forced by the screw away from the stationary stone and held against the action of a spring at the opposite end of the spindle, the object being to prevent the stones from becoming dulled by contact with each other. An improved attachment for sewing machines for soaking or waxing the thread as it passes the needle, has been patented by Mr. Pedro F. Fernandez, of San Juan, Porto Rico. The invention consists in a frame secured to the arm of a sewing machine by a thumb-screw, and provided with a clamping device for holding wax or soap. A novel combination of a toggle and springs and levers for operating a drag saw has been patented by Mr. Harvey Hughes, of Wheat Ridge, Ohio. The saw, while properly guided, is free to move up or down without affecting the leverage. An improvement in filters, which consists in re-enforcing the felt disk with a backing of wire cloth to enable it to resist heavy water pressure, has been patented by Mr. B. P. Chatfield, of Aiken, S. C. A basket having light sheet metal sides attached to a wooden bottom by crimping the edges over a rib on the periphery of the bottom, has been patented by Mr. Samuel Friend, of Decatur, Ill. The handle and lid may be easily removed to permit of packing and storage. An improved cross bar for fastening doors, patented by Mr. Richard Condon, of La Salle, Ill., has a spring acted portion which engages a socket on the door casing, and is retained in that position by a spring catch. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Various (2006). Scientific American, Volume 40, No. 13, March 29, 1879. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/18866/pg18866-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

RECENT AMERICAN PATENTS

Business English: A Practice Book by Rose Buhlig is part of the HackerNoon Books Series. You can jump to any chapter in this book . WORD ANALYSIS here WORD ANALYSIS To learn English words thoroughly we must spend some thought on the way in which they are made up, on the language from which they have been derived, and on the changes in meaning made by adding prefixes and suffixes. Three important influences in building the English have been the Anglo-Saxon, the Greek, and the Latin languages. The simplest words in the language are Anglo-Saxon. The following exercises illustrate how words have been multiplied by Anglo-Saxon prefixes and suffixes. Name as many words as you can that make use of each of the following prefixes. Give only such as are recognizable English words without the prefix. Exercise 46 —aboard a —misjudge mis —becalm be —unknown un —foretell fore —uproot up Give the meaning of each of the prefixes used above. What part of speech does each prefix make? Exercise 47 Using the following Teutonic suffixes, form English words. Be careful that the root taken alone is an English word. —kingdom dom —goodness ness —manhood hood —friendship ship What does each suffix mean? What part of speech does it make? Exercise 48 As above, form words using the following suffixes: —darken en —fearful ful —golden en —smoothly ly —sweetish ish —childlike like —fearless less —lonesome some Define each suffix. What part of speech does it make? Exercise 49—Greek Roots Below is given a list of common Greek roots with the English meaning of each. Form words using one or more of the roots for each word, and define the words you make. For instance, give the meaning of , , and . telephone telegraph monarch Greek English Greek English —hear phon —time chron —far tele —circle cycl —write graph —earth geo —see scop —government polit —small micro —rule cra —one mono —people demo —chief arch —water hydro —measure metr —many poly —pressure, weight baro —riches pluto How many names of modern inventions have you made? Exercise 50 What words belonging to your vocabulary end in the following suffixes? Choose only such as have an English word for the root. Adjective Suffixes able, ible—able to be, fit to be
Readable, fit to be read. al, eal, ial—relating to, having to do with ant, ent—being, inclined to ate—having the quality of, inclined to ic—like, relating to ive—relating to, of the nature of, belonging to ory, ary—relating to ous—full of, abounding in Verb Suffixes ate—to make fy, ify—to make ise, ize—to make Noun Suffixes age—condition, act, collection of ance, ancy, ence, ency—state of being ary, ory—one who, place where, that which ant, ent—one who ist, ite—one who ion, sion, tion—act of, state of being ity, ty—quality of being ment—that which, act or state of being or, er, ar—one who try—state of tude, itude—condition of being ure—condition of being, that which The following is a list of the more commonly used Latin prefixes: Exercise 51 a, ab—away from 1. , —away from a ab 2. —toward ad 3. —before ante 4. —against anti 5. —two, twice bi 6. —around circum 7. —together with, against con 8. —against contra 9. —from, apart from, down from de 10. —apart, not dis 11. —through dia 12. —out of ex 13. , —into in en —to cause to be en 14. , —not in un 15. —between inter 16. —toward the inside intro 17. —one mono 18. —not non 19. —in the way of, against ob 20. —through per 21. —before pre 22. —after post 23. —before pro 24. —again, back re 25. —half, partly semi 26. —away from se 27. —under, below sub 28. —above, more than super 29. —across trans 30. —one uni Exercise 52 Analyze the following words, telling prefix, root, suffix, part of speech, and meaning: business package truthfulness unsuccessful useless anteroom workmanlike agreement prefix monotone nervousness uniformity beautify breakage disrespectful misguidance semicircle pleasant perfection crystallize kingship sameness progressive precaution incase subway undeniable imaginary enrich disown displeasure supernatural pianist readmit endurance melodious bicycle adjuster reaction interlineal Exercise 53 When the prefixes , , and are used to form English words, the final consonant of each is often changed to the initial consonant of the root to which it is joined. ad con in assumes the forms , , , , , , , , , , assimilating the with the first letter of the word to which it is prefixed; as, Ad ab ac af ag al an ap ar as at d ab-breviate al-literation ar-rest ac-cept al-lot as-sign ac-cumulate an-nex as-sist af-fect an-nounce at-tract af-flict ap-position at-tribute ag-gregate ap-prove at-tune assumes the forms , , , by assimilation; it takes the form before and it drops the before a vowel; as, Con col cor com com p; n col-lateral com-mercial com-pose col-lect cor-relate co-operate com-mission cor-respond co-ordinate assumes the forms , , , by assimilation and takes the form of before . In il im ir im p il-lusion im-migrate ir-ruption im-port Exercise 54—Peculiar Adjective Endings The suffixes and are sometimes troublesome because it is difficult to know which ending to write. As a rule, if the new word was made from another English word, the ending is , as . The words ending in are derived from the Latin, and, as a rule, the ending cannot easily be separated from the root and still leave the latter an English word. Examples are: able ible able blamable ible divisible intelligible digestible audible visible permissible flexible incredible possible terrible horrible indelible The suffixes and must also be carefully noted. No rule can be given for using one rather than the other. Whenever in doubt, consult a dictionary. Note the following: ant ent ant ent important independent pleasant convalescent triumphant competent luxuriant convenient stagnant confident The endings and , where and are often confused, are illustrated in the following: eous ious e i eous ious hideous delirious miscellaneous impious courteous studious The endings and are shown in the following: cious tious cious tious conscious fictitious precious superstitious delicious cautious gracious ambitious suspicious nutritious The endings and are illustrated in the following: gious geous gious geous religious courageous Exercise 55—Peculiar Noun and Verb Endings Nouns in and ance ence: ance ence acceptance intelligence appearance reference annoyance patience acquaintance negligence remittance diligence ignorance residence Nouns in , , and sion cion tion: sion cion tion exclusion coercion acquisition aversion suspicion precaution Verbs in , , and ise yze ize: ise yze ize advise analyze baptize supervise paralyze recognize Verbs in , , and ceed sede cede: ceed sede cede exceed supersede concede proceed intercede succeed precede Exercise 56 What other words can you form from the following? Explain what prefixes or suffixes you use in each case and what part of speech you form. success consider real change please doubt publish attend occur apply regular satisfy emphasize industry operate assess second busy practice resist expense distribute organ define depend locate work sense attract install desire preside effect vital count sign Exercise 57 There are many words the meanings of which are easily confused. The spelling and the definitions of such must be mastered. Analysis in this exercise and in the one following does not require separation into prefix, root, and suffix, but it necessitates a careful study of the words, first, to note the difference in spelling; second, to consult a dictionary, if necessary, for the difference in meaning. Define each word clearly. Use each in a sentence to illustrate its meaning. accept—except common—mutual add—annex complementary—complimentary advice—advise continual—continuous affect—effect contraction—abbreviation after—afterward contradiction—denial ascend—assent currant—current assure—promise defective—deficient attain—obtain deprecate—depreciate benefit—advantage effective—efficient brief—concise eligible—illegible center—middle eminent—prominent claim—maintain expect—hope combine—combination intelligent—intelligible Exercise 58 As above, define each word carefully and use it in a sentence to illustrate its meaning. healthful—healthy proficient—efficient inventory—invoice proscribe—prescribe invite—invitation purpose—propose last—latest quiet—quite later—latter recommend—recommendation liable—likely—apt refer—allude loose—lose repair—fix need—want requirement—requisite—requisition perspective—prospective respectfully—respectively positive—definite scarcely—hardly practicable—practical stationary—stationery precede—proceed therefore—accordingly principal—principle 500 SPELLING WORDS\Lesson 1 business losing surprising height receive loosely Saturday depth believe across Wednesday eighth wholly whether excellent daily obliged describe exercise earnest Lesson 2 attached decision probable seize attacked buying usable siege gentlemen studying salable friend although relying desirable Messrs. thoroughly occasion honorable nickel Lesson 3 disappoint knew acquittal stopped disappear design occurrence referred disapprove forty compelling planned disagree fourth beginning swimming anxious purpose permitted submitted Lesson 4 all right persuade Norwegian variety already pursued possession prairie tongue prepared accumulate neighbor separate repaired dissatisfy soldier crystal necessary dissolve shoulder Lesson 5 their awkward opportunity scheme advise mucilage development schedule advice familiar statistics accurately laboratory peculiar accidental efficient until similar competent Spaniard Lesson 6 policy patient merchandise conscious rough ancient mercantile precious disease partial scarcity suspicion balance facial indebted physician decease ambitious estimate caution Lesson 7 ascend noticeable vengeance emergency assent serviceable address compliance minute manageable salary reference conceal exchangeable currency apparel immense advantageous withhold typical Lesson 8 edition especially appreciate imitate addition pamphlet essential initial identify illustrate eligible official illegal February legible curtain nuisance punctual illegible adjacent Lesson 9 later crystallize lieutenant lenient latter neutralize anthracite naphtha weighed conceit bituminous liquid destroy catarrh rheumatism gauge indelible colonel influential sieve Lesson 10 duly interfered analyze attorneys durable transferred analysis specialty mutual reconcile paralyze sympathy bargain accidental banana campaign misspell irregular molasses mattress Lesson 11 ached designate vicinity recognize social available guardian technical forfeit adequately celebrate hygiene opposite subordinate porcelain angel parallel sufficient poultice angle Lesson 12 society associate rumored remittance sirloin definitely courtesy remuneration laborer spherical obstinacy restaurant visitor commercial financial government souvenir permissible sapphire acquaintance Lesson 13 quite appropriate convenient knowledge least distinguish exaggerate principal, a written mysterious confidential stationary, a among appearance endeavoring judgment psalm conference immediately implement Lesson 14 assure greatly embarrassment auxiliary expect grateful organization conciliate prompt deserve advertisement principle, n eliminate bureau assessment stationery, n illuminate deficient accommodate parenthesis Lesson 15 coupon indispensable measure proprietor length innumerable condemn transient vehicle investigate security persistent customer incandescent liniment signature costumer effervescent mosquito mischievous Lesson 16 canal company's repetition sulphur channel real estate abbreviated benefited liquid equivalent unabridged unanimous recent assignment assurance itemize trough extravagant pneumatic calcimine Lesson 17 precede freight authority leisure proceed achieve mortgage neuralgia procession between specimen dyspepsia precision imagine solicitor substantial extinguish autumn coöperates passenger Lesson 18 merely mechanical preliminary omitted cashier permanent miscellaneous omission urgent prominent subscription committee hesitate precaution incredible commission anchored interval anticipation precisely Lesson 19 specify preparation athletics deceit equity coincidence excursion receipt accrue irresolute suggestion obstacle concrete vaccination courageous promissory summary glycerine concession compulsory Lesson 20 deficit sceptical anniversary rhythm mansion conscience presumption rhubarb mention interruption guaranteed fatigue reckoned approximately prejudice synopsis license avoirdupois privilege emphatic Lesson 21 scholar Elkhart industrious collision scissors Memphis hideous delusion career Niagara artificial oxygen sincere Raleigh cantaloupe martyr chiffonier Oregon unscrupulous apology Lesson 22 receipt Cincinnati sovereign chemical welfare Des Moines committee frontier feigned Decatur ingredients fulfilled chord Dubuque counterfeit facsimile scythe Alleghany responsible identical Lesson 23 exceed Paducah foreign Cheyenne succeed Eau Claire solemnity metallic secede Peoria assassinate nauseated immigrant Savannah pneumonia invariably emigrant Manila diphtheria injurious Lesson 24 adoption Minneapolis fraudulent mahogany scientific Indianapolis negligence corduroy guidance Syracuse diligence Schenectady syllable Milwaukee ridiculous duplicate Fort Wayne Valparaiso comparative reënforce Lesson 25 Duluth Massachusetts preferable periodical Missouri Connecticut preferred insertion Wisconsin enthusiastic publicity excursion luxurious acknowledgment prevailing plateau twelfth professional damageable tragedy About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Rose Buhlig (2011). Business English: A Practice Book. Urbana, Illinois: Project Gutenberg. Retrieved https://www.gutenberg.org/cache/epub/38046/pg38046-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at , located at . www.gutenberg.org https://www.gutenberg.org/policy/license.html

WORD ANALYSIS

THE JELLY-BEAN

The use of digital technology is increasing with tech revolutionization. We spend almost 10 hours of the day sitting in front of a digital screen. Our lives have become more accessible due to the impressive development of different apps, websites, and digital gadgets. But as a result, we all are also facing many health concerns – the major one is the sight issue. So, what can be done in such a situation? Adding a dark mode option! Seven Tips For Dark-Themed UI Design One of the most requested features in recent years is the dark mode. A dark mode has been deemed a requirement for UI by both Apple and Google. Reduced brightness in a dark environment offers safety and can reduce eye strain. You have decided to go for dark mode, but do you know what aspects you must keep in mind? Here I have shared seven tips you must remember when designing a dark-themed UI. 1. Avoid Saturated Colors In contrast to dark surfaces, saturated colors can visibly vibrate, making them more difficult to read. Saturated colors can appear beautiful on bright surfaces. Desaturate primary hues to create adequate contrast with the black backdrop. Use lighter colors (in the 200–50 range), as they are easier to read on surfaces with dark backgrounds. Lighter variations allow you to retain proper contrast without putting too much pressure on your eyes and without reducing the visual impact of the UI. 2. Dark Theme Doesn’t Mean #000000 Simply be mindful of not using pure black; how? You can use the variations of black, like mixed with grey or other shades, to soften the contrast between the text and background. It makes information easily readable. Be careful of how you play with these shades – as the low contrast can feel uncomfortable. 3. Don’t Overlook the White Space Screens usually get overcrowded due to buttons, illustrations, videos, and other designs. Hold on! Give your design some room to breathe so that your app won’t appear cluttered to the user. What we call an extra room is known as “White Space.” Wait, you think I am off-topic? I am still talking about dark mode! The dark mode also needs white space, and it looks better with some empty rooms. In fact, dark UIs need more space than white-toned themes. 4. Communicate Depth Shadows behind shapes are frequently used in light themes to draw attention to an object. However, because there isn't enough contrast between the design feature and the shadow, these shadows don't appear in dark mode. Instead, you can simply apply a lighter fill for the things you want to appear higher to add depth. Drop shadows on dark backgrounds are unnecessary; let the color do its work instead. 5. Use “On” Colors for The Text “On” colors come on top of components and key surfaces. Usually, they are used for text. Pure white (#FFFFFF) serves as the dark theme's default "on" color. However, since #FFFFFF is a vivid color, it might appear to "vibrate" against black backgrounds. Google advises using a slightly darker white because of this: Material Design ·         Text with a lot of emphasis should have an opacity of 87%. ·         Text with medium emphasis is used at 60% ·         The opacity for disabled text is 38% Keep in mind that light text on a darker background can look bold than dark on light. Therefore, you should use lighter font weights for dark mode. 6. Allow Users to Switch Allowing the system to control when to turn on or off the dark theme is alluring. However, poor UX may result from this design decision. By doing that, you are removing the user's ability to make decisions in favor of the system. Because of this, it's preferable to avoid using auto-enabling a dark theme. Allow users to activate (or deactivate) the dark theme using a UI control. Users should be allowed to choose a mode based on their requirements manually. The mode switcher needs to be positioned and designed. 7. Test In Light and Dark Settings Check out your UI in both settings and then tweak your designs to fit each one as necessary. Consider conducting incandescent lighting testing on your product after sunset. Final Takeaway! Creating a dark theme involves more than just altering the backdrop. Colors can defeat your purpose if the contrast and spacing are off. Play around with the colors, text's opacity, and arrangement of your design pieces. Go nuts!

Dark-Themed UI Design Tips

116 Stories To Learn About Web Scraping

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199 Stories To Learn About Python Tutorials

The Second Deluge by Garrett Putman Serviss is part of the HackerNoon Books Series. You can jump to any chapter in this book here . THE LAST DAY OF NEW YORK THE LAST DAY OF NEW YORK While Cosmo Versál was calculating, from the measured rise of the water, the rate of condensation of the nebula, and finding that it added twenty-nine trillion two hundred and ninety billion tons to the weight of the earth every minute—a computation that seemed to give him great mental satisfaction—the metropolis of the world, whose nucleus was the island of Manhattan, and every other town and city on the globe that lay near the ordinary level of the sea, was swiftly sinking beneath the swelling flood. Everywhere, over all the broad surface of the planet, a wail of despair arose from the perishing millions, beaten down by the water that poured from the unpitying sky. Even on the highlands the situation was little better than in the valleys. The hills seemed to have been turned into the crests of cataracts from which torrents of water rushed down on all sides, stripping the soil from the rocks, and sending the stones and bowlders roaring and leaping into the lowlands and the gorges. Farmhouses, barns, villas, trees, animals, human beings—all were swept away together. Only on broad elevated plateaus, where higher points rose above the general level, were a few of the inhabitants able to find a kind of refuge. By seeking these high places, and sheltering themselves as best they could among immovable rocks, they succeeded, at least, in delaying their fate. Notwithstanding the fact that the atmosphere was filled with falling water, they could yet breathe, if they kept the rain from striking directly in their faces. It was owing to this circumstance, and to some extraordinary occurrences which we shall have to relate, that the fate of the human race was not precisely that which Cosmo Versál had predicted. We quitted the scene in New York when the shadow of night had just fallen, and turned the gloom of the watery atmosphere into impenetrable darkness. The events of that dreadful night we shall not attempt to depict. When the hours of daylight returned, and the sun should have brightened over the doomed city, only a faint, phosphorescent luminosity filled the sky. It was just sufficient to render objects dimly visible. If the enclosing nebula had remained in a cloud-like state it would have cut off all light, but having condensed into raindrops, which streamed down in parallel lines, except when sudden blasts of wind swept them into a confused mass, the sunlight was able to penetrate through the interstices, aided by the transparency of the water, and so a slight but variable illumination was produced. In this unearthly light many tall structures of the metropolis, which had as yet escaped the effects of undermining by the rushing torrents in the streets, towered dimly toward the sky, shedding streams of water from every cornice. Most of the buildings of only six or eight stories had already been submerged, with the exception of those that stood on the high grounds in the upper part of the island, and about Spuyten Duyvil. In the towers and upper stories of the lofty buildings still standing in the heart of the city, crowds of unfortunates assembled, gazing with horror at the spectacles around them, and wringing their hands in helpless despair. When the light brightened they could see below them the angry water, creeping every instant closer to their places of refuge, beaten into foam by the terrible downpour, and sometimes, moved by a mysterious impulse, rising in sweeping waves which threatened to carry everything before them. Every few minutes one of the great structures would sway, crack, crumble, and go down into the seething flood, the cries of the lost souls being swallowed up in the thunder of the fall. And when this occurred within sight of neighboring towers yet intact, men and women could be seen, some with children in their arms, madly throwing themselves from windows and ledges, seeking quick death now that hope was no more! Strange and terrible scenes were enacted in the neighborhood of what had been the water-fronts. Most of the vessels moored there had been virtually wrecked by the earlier invasion of the sea. Some had been driven upon the shore, others had careened and been swamped at their wharves. But a few had succeeded in cutting loose in time to get fairly afloat. Some tried to go out to sea, but were wrecked by running against obstacles, or by being swept over the Jersey flats. Some met their end by crashing into the submerged pedestal of the Statue of Liberty. Others steered up the course of the Hudson River, but that had become a narrow sea, filled with floating and tossing debris of every sort, and all landmarks being invisible, the luckless navigators lost their way, and perished, either through collisions with other vessels, or by driving upon a rocky shore. The fate of the gigantic building containing the offices of the municipal government, which stood near the ancient City Hall, and which had been the culminating achievement of the famous epoch of "sky-scrapers," was a thing so singular, and at the same time dramatic, that in a narrative dealing with less extraordinary events than we are obliged to record it would appear altogether incredible. With its twoscore lofty stories, and its massive base, this wonderful structure rose above the lower quarter of the city, and dominated it, like a veritable Tower of Babel, made to defy the flood. Many thousands of people evidently regarded it in that very light, and they had fled from all quarters, as soon as the great downpour began, to find refuge within its mountainous flanks. There were men—clerks, merchants, brokers from the downtown offices—and women and children from neighboring tenements. By good chance, but a few weeks before, this building had been fitted with a newly invented system of lighting, by which each story was supplied with electricity from a small dynamo of its own, and so it happened that now the lamps within were all aglow, lightening the people's hearts a little with their cheering radiance. Up and up they climbed, the water ever following at their heels, from floor to floor, until ten of the great stages were submerged. But there were more than twice as many stages yet above, and they counted them with unexpiring hope, telling one another, with the assurance of desperation, that long before the flood could attain so stupendous an altitude the rain would surely cease, and the danger, as far as they were concerned, would pass away. "See! See!" cries one. "It is stopping! It is coming no higher! I've been watching that step, and the water has stopped! It hasn't risen for ten minutes!" "Hurrah! Hurrah!" yells the crowd behind and above. And the glad cry is taken up and reverberated from story to story until it bursts wildly out into the rain-choked air at the very summit. "Hurrah! Hurrah! We are saved! The flood has stopped!" Men madly embrace each other. Women burst into tears and hug their children to their breasts, filled with a joy and thankfulness that can find no expression in words. "You are wrong," says another man, crouching beside him who first spoke. "It has not stopped—it is still rising." "What! I tell you it has stopped," snaps the other. "Look at that step! It stopped right below it." "You've been watching the wrong step. It's rising!" "You fool! Shut your mouth! I say it has stopped." "No, it has not." "It has! It has!" "Look at that step, then! See the water just now coming over it." The obstinate optimist stares a moment, turns pale, and then, with an oath, strikes his more clear-headed neighbor in the face! And the excited crowd behind, with the blind instinctive feeling that, somehow, he has robbed them of the hope which was but now as the breath of life to them, strike him and curse him, too. But he had seen only too clearly. With the steady march of fate—two inches a minute, as Cosmo Versál had accurately measured it—the water still advances and climbs upward. In a little while they were driven to another story, and then to another. But hope would not down. They could not believe that the glad news, which had so recently filled them with joy, was altogether false. The water must have stopped rising once; it had been seen. Then, it would surely stop again, stop to rise no more. Poor deluded creatures! With the love of life so strong within them, they could not picture, in their affrighted minds, the terrible consummation to which they were being slowly driven, when, jammed into the narrow chambers at the very top of the mighty structure, their remorseless enemy would seize them at last. But they were nearer the end than they could have imagined even if they had accepted and coolly reasoned upon the facts that were so plain before them. And, after all, it was not to come upon them only after they had fought their way to the highest loft and into the last corner. A link of this strange chain of fatal events now carries us to the spot where the United States Navy Yard in Brooklyn once existed. That place was sunk deep beneath the waters. All of the cruisers, battleships, and other vessels that had been at anchor or at moorings there had gone under. One only, the boast of the American navy, the unconquerable Uncle Sam, which, in the last great war that the world had known, had borne the starry flag to victories whose names broke men's voices and filled their eyes with tears of pride, had escaped, through the incomparable seamanship of Captain Robert Decatur, who had been her commander for thirty years. But though the Uncle Sam managed to float upon the rising flood, she was unable to get away because of the obstructions lodged about the great bridges that spanned the East River. A curious eddy that the raging currents formed over what was once the widest part of that stream kept her revolving round and round, never departing far in any direction, and, with majestic strength, riding down or brushing aside the floating timbers, wooden houses, and other wreckage that pounded furiously against her mighty steel sides. Just at the time when the waters had mounted to the eighteenth story of the beleaguered Municipal Building, a sudden change occurred in these currents. They swept westward with resistless force, and the Uncle Sam was carried directly over the drowned city. First she encountered the cables of the Manhattan Bridge, striking them near the western tower, and, swinging round, wrenched the tower itself from its foundations and hurled it beneath the waters. Then she rushed on, riding with the turbid flood high above the buried roofs, finding no other obstruction in her way until she approached the Municipal Building, which was stoutly resisting the push of the waves. [Illustration: "THE GREAT BATTLESHIP… CRASHED, PROW ON, INTO THE STEEL-RIBBED WALLS"] Those who were near the windows and on the balconies, on the eastern side of the building, saw the great battleship coming out of the gray gloom like some diluvian monster, and before they could comprehend what it was, it crashed, prow on, into the steel-ribbed walls, driving them in as if they had been the armored sides of an enemy. So tremendous was the momentum of the striking mass that the huge vessel passed, like a projectile, through walls and floors and partitions. But as she emerged in the central court the whole vast structure came thundering down upon her, and ship and building together sank beneath the boiling waves. But out of the awful tangle of steel girders, that whipped the air and the water as if some terrible spidery life yet clung to them, by one of those miracles of chance which defy all the laws of probability and reason, a small boat of levium, that had belonged to the Uncle Sam, was cast forth, and floated away, half submerged but unsinkable; and clinging to its thwarts, struggling for breath, insane with terror, were two men, the sole survivors of all those thousands. One of them was a seaman who had taken refuge, with a crowd of comrades, in the boat before the battleship rushed down upon the building. All of his comrades had been hurled out and lost when the blow came, while his present companion was swept in and lodged against the thwarts. And so those two waifs drove off in the raging waves. Both of them were bleeding from many wounds, but they had no fatal hurts. The boat, though filled with water, was so light that it could not sink. Moreover, it was ballasted, and amid all its wild gyrations it kept right side up. Even the ceaseless downpour from the sky could not drive it beneath the waves. After a while the currents that had been setting westward changed their direction, and the boat was driven toward the north. It swept on past toppling skyscrapers until it was over the place where Madison Square once spread its lawns, looked down upon by gigantic structures, most of which had now either crumbled and disappeared or were swaying to their fall. Here there was an eddy, and the boat turned round and round amid floating debris until two other draggled creatures, who had been clinging to floating objects, succeeded by desperate efforts in pulling themselves into it. Others tried but failed, and no one lent a helping hand. Those who were already in the boat neither opposed nor aided the efforts of those who battled to enter it. No words were heard in the fearful uproar—only inarticulate cries. Suddenly the current changed again, and the boat, with its dazed occupants, was hurried off in the direction of the Hudson. Night was now beginning once more to drop an obscuring curtain over the scene, and under that curtain the last throes of drowning New York were hidden. When the sun again faintly illuminated the western hemisphere the whole Atlantic seaboard was buried under the sea. As the water rose higher, Cosmo Versál's Ark at last left its cradle, and cumbrously floated off, moving first eastward, then turning in the direction of Brooklyn and Manhattan. Cosmo had his engines in operation, but their full power was not developed as soon as he had expected, and the great vessel drifted at the will of the currents and the wind, the latter coming now from one side and now from another, rising at times to hurricane strength and then dying away until only a spanking breeze swept the ever-falling rain into swishing sheets. Occasionally the wind failed entirely, and for many minutes at a time the water fell in vertical streams. At length the motive power of the Ark was developed, and it began to obey its helm. From the shelter of a "captain's bridge," constructed at the forward end of the huge levium dome that covered the vessel, Cosmo Versál, with Captain Arms, a liberally bewhiskered, veteran navigator in whose skill he confided, peered over the interminable waste of waters. There was nothing in sight except floating objects that had welled up from the drowned city and the surrounding villages. Here and there the body of an animal or a human being was seen in the tossing waves, and Cosmo Versál sadly shook his head as he pointed them out, but the stout mariner at his side chewed his tobacco, and paid attention only to his duties, shouting orders from time to time through a speaking-tube, or touching an electric button. Cosmo Versál brought a rain-gage and again and again allowed it to fill itself. The story was always the same—two inches per minute, ten feet per hour, the water mounted. The nebula had settled down to regular work, and, if Cosmo's calculations were sound, there would be no intermission for four months. After the power of the propellers had been developed the Ark was steered southeastward. Its progress was very slow. In the course of eight hours it had not gone more than fifty miles. The night came on, and the speed was reduced until there was only sufficient way to insure the command of the vessel's movements. Powerful searchlights were employed as long as the stygian darkness continued. With the return of the pallid light, at what should have been daybreak, Cosmo and his navigator were again at their post. In fact, the former had not slept at all, keeping watch through the long hours, with Captain Arms within easy call. As the light became stronger, Cosmo said to the captain: "Steer toward New York. I wish to see if the last of the tall buildings on the upper heights have gone under." "It will be very dangerous to go that way," objected Captain Arms. "There are no landmarks, and we may strike a snag." "Not if we are careful," replied Cosmo. "All but the highest ground is now buried very deep." "It is taking a fool's risk," growled Captain Arms, through his brush, but nevertheless he obeyed. It was true that they had nothing to go by. The air was too thick with water, and the light too feeble for them to be able to lay their course by sighting the distant hills of New Jersey which yet remained above the level of the flood. Still, by a kind of seaman's instinct, Captain Arms made his way, until he felt that he ought to venture no farther. He had just turned to Cosmo Versál with the intention of voicing his protest when the Ark careened slightly, shivered from stem to stern, and then began a bumping movement that nearly threw the two men from their feet. "We are aground!" cried the captain, and instantly turned a knob that set in motion automatic machinery which cut off the engines from the propellers, and at the same time slowed down the engines themselves. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Garrett Putman Serviss (2005). The Second Deluge. Urbana, Illinois: Project Gutenberg. Retrieved October 2022 https://www.gutenberg.org/cache/epub/9194/pg9194.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org , located at https://www.gutenberg.org/policy/license.html .

THE LAST DAY OF NEW YORK

In today’s digital world, images are everywhere. Every day, thousands of people click photos of their valuable moments with their smartphones and cameras. Businesses also use images on their websites and web apps to communicate information with customers and improve . Naturally, everyone wants high-quality photos. user experience However, we often face poor photo quality issues, including low resolution, underexposed photos, etc. Low photo quality can be due to several factors. For example, when you take pictures in dimly lit areas, you get poor-quality images, especially when the device you’re using to take photos has a low-quality or low-resolution camera. Fortunately, we can improve image quality and make our photos more attractive by using an image enhancer. Image enhancement can help you increase image brightness, remove noise, upscale photos, and more. In this article, we’ll discuss different ways to enhance your photos and show you the best image enhancer to help you bring out the best in your pictures. Why Do You Need to Enhance Photos? Images have become an essential part of our lives. For example, every day, thousands of photos are uploaded on social media sites like Instagram and Facebook. It goes without saying that everyone wants to upload the best photos. For this reason, people are always looking to enhance their photos. Thankfully, many photo-quality enhancer tools are available today that let us apply different filters to our photos, enhance photo quality, increase image resolution, upscale images, , and more. crop and resize images Similarly, businesses worldwide also use images and infographics on their websites. Images help businesses draw the attention of customers and communicate with them better. According to research, a web page with relevant images has almost 94% more views than a site without any images. It’s because research has shown that the human brain is better at processing images than text or any other type of data. However, poor-quality images can instantly drive customers away. Hence, businesses using an image enhancement tool, such as an online image enhancer, AI image enhancer, etc. enhance images What Are Different Ways to Enhance Your Images Using An Image Enhancer? Below are some of the best ways to enhance a photo: Crop Cropping is one of the easiest ways to transform your images. It helps you enhance focus by removing distracting and unwanted parts from a photo. Cropping also helps improve the composition. However, excessive cropping can reduce the image resolution and image quality because when you crop an image, you remove a part of the original photo. This means some pixels are also discarded. Contrast Contrast can be a good option when you want to enhance the highlights in your photos. Increasing contrast sharpens an image by increasing the difference between darker and brighter areas of the image. In contrast, when you reduce contrast, it gives your image a more even and flat tone. However, too much contrast can make your image too dark or too bright, but by setting the proper contrast, you can make your photos much better than the original ones. Blur While nobody likes blurry photos, sometimes blurring your photos is a good option. For example, when you’re using background images in your designs and there is some text on top of the background image, the details in the image will make your text hard to read. In such a case, it’s best to slightly blur your background images so that the text in your design is easier to read while the key details of your image are also recognizable. Saturation Saturation has to do with image color. It is a great way to increase or reduce the color intensity in your photos, depending on what you want to achieve. Increasing saturation means your image appears more vibrant and brighter, whereas decreasing saturation results in faded and muted colors. If you want a black-and-white photo, you can desaturate it completely. However, setting saturation carefully is crucial because too much saturation can make your photos look unnatural. Brightness Lighting can be a serious issue in photos taken in the dark. Thankfully, you can use an image enhancer to adjust the brightness of your images. However, setting the right level of brightness is a bit challenging. Increasing the brightness makes the entire image brighter, while reducing it makes everything darker. Hence, it’s best to increase or decrease brightness incrementally. Filters The use of filters has increased drastically in the past few years, thanks to , Instagram, and other such apps. Filters are undoubtedly one of the easiest ways to make your photos better. Snapchat Today, so many different filters are available to add special effects to your photos. You can even use filters to correct issues in your photos without having to deal with saturation, brightness, etc. For example, you can use a filter to make the colors in your photo more balanced. A good image enhancer even allows you to adjust the intensity of the filters the way you like. What Is The Best Image Enhancer? If you’re looking for an efficient image enhancer that gives you all the different options to enhance image quality and photo resolution, Filestack image enhancer is definitely the right choice. Filestack is a complete set of powerful tools and APIs for uploading, transforming, and delivering content for the web. When it comes to enhancing photo resolution and quality, the offers a wide range of features: Filestack Processing API Upscale Images Upscaling an image means enlarging it without losing quality. It helps grab the viewer’s attention and makes the information in the image easy to read. With Filestack’s upscale feature, you can double the resolution of your photos. Here is an example of how Filestack upscales an image: Enhance The Filestack enhance feature smartly analyzes an image and applies several enhancements, such as color correction, to improve the overall image quality. Here are different features provided by the Filestack image enhancer: This preset allows you to add depth and brightness to your images Vivid: This preset works great for extremely underexposed photos or photos in which a dark subject is in front of an extremely bright background. It turns off the contrast and retrieves maximum detail from the shadow areas. fix_dark: When you use this setting, it automatically scans every face in the picture and applies enhancements to each face. beautify: This useful feature automatically detects noise in the photo and applies powerful noise-removal techniques to remove any grains while preserving details. fix_noise: With this setting, you can remove abnormal tints, such as blue, yellow, or green, from your photos. fix_tint: This preset is designed to optimize landscape photographs with more color vibrancy. outdoor: Automatic Image Enhancement With Filestack, you can also enhance your images automatically: https://cdn.filestackcontent.com/enhance/HANDLE Here is an example of how Filestack’s automatic image enhancement works: Original image: Enhanced Image: Red Eye Removal With Filestack, you can also remove the red eye effect from your pictures and make them look better. Image Borders And Effects When it comes to image borders and effects, Filestack offers several options: Rounded corners Vignette Polaroid Torn edges Shadow Circle Border Image Filters Filestack Image Enhancer offers a wide range of filters for your photos, such as: Sharpen Blur Partial blur Monochrome Blac-and-white Sepia Pixelate Oil paint Negative Modulate Crop With Filestack, you can quickly crop images by simply entering coordinates and crop dimensions. Filestack also offers a smart crop feature that enables users to manipulate images programmatically in a way that delivers the version of the image that is exactly the shape they want. The smart crop feature preserves the aspect ratio of the image and removes unwanted fragments from the original picture. Original Photo Cropped Photo Resize With this feature, you can manipulate the height and width of an image as well as change its alignment and fit. With Filestack, you can even rotate and flip your photos and add watermarks. Frequently Asked Questions (FAQs) What does photo enhancement mean? Image enhancement means making your pictures better by increasing their quality and resolution and applying filters. Can you increase the photo resolution? You can increase the resolution of your photos and enhance them using image enhancement tools like Filestack. These tools offer a wide range of features, such as filters, upscaling images, etc. Sign up for free and try the Filestack File Processing API today! Also published here.

How to Use Image Enhancers to Improve your Photos

Cómo utilizar los potenciadores de imagen para mejorar sus fotos

Comment utiliser les rehausseurs d'image pour améliorer vos photos

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Cách sử dụng Trình cải thiện hình ảnh để cải thiện ảnh của bạn

如何使用图像增强器来改善您的照片

How Product Owners Should Use Web Accessibility Testing

Let’s face it: the internet is broken. It feels like so much of the web is composed of clickbait, ads, popups, and a toxic amount of JavaScript that you need a modern computer just to get any value out of it. Remember when low-power computers were created for people who were “just browsing the internet?” Half of the sites on the internet are so overloaded with tracking scripts, ads, third-party “analytics” platforms, and other junk that they simply crash in the face of sub-par hardware; and don’t even get me started on what they do to “retro” computers. If the modern web hasn’t been created with aging hardware in mind, what does that mean for the proliferation of e-waste? Is it so necessary to update your computer every 2–5 years? And, what if you didn’t? What if you couldn’t to? really afford My daily driver is a mid-2012 MacBook Pro that will stop receiving all updates (security included) from Apple by the end of this year. While I personally intend to keep it alive with Linux, this isn’t a path that is readily available to most people. What are supposed to do in this situation to save some money avoid adding more junk to our landfills? most people and These are the questions I have been asking myself over the last year or so, and while I haven’t come up with many answers for the general populace, I did make the decision to ensure that my personal website is as . great backwards compatible as possible The Basics When I say “as backwards compatible as possible,” I mean that my website will be usable on as many browsers, connections, and hardware as I can reasonably support. But, how exactly am I accomplishing this? While there are no hard and fast rules for keeping a website accessible to , there are a few basic guidelines and workarounds that I’ve come to rely on. everyone Missing Headers Host Did you know that the HTTP/1.0 specification didn’t require a header? Up until recently, I didn't. You see, in HTTP/1.1, the request header tells a web server , giving the Web Master—coolest job title ever, btw—the ability to configure multiple "virtual hosts" on a single server. Host very Host exactly which site it is requesting In other words, and can be hosted on the same server, while serving up content. As far as sustainability goes, this is a pretty decent solution, as it allows you to utilize the infrastructure you already have to host multiple websites. example.com example.net different But, you know what send a header? Internet Explorer versions 1 and 2. Probably more, too, but they are the only two I've come across so far that have forsaken me; which means that, without a workaround, my website is completely inaccessible to all of those IE1 and IE2 users out there. That's literally of people that don't have access to sweet, sweet content like this. doesn’t Host ones Thanks, Microsoft. So, how do we bring those no- rebels into the fold? A second IP. Host Thankfully, offers a handful of free floating IPs that you can assign to a single droplet, which means that my site has second IP address in order to appease those picky, early 90s Windows computers. With a , you can simply set your server to listen on the float IP, so request to that particular IP will fall back to your website. DigitalOcean flower.codes little bit of overhead any I use the webserver, so to accomplish an HTTP fallback that will be returned on every request (unless a valid entry can be matched), simply use as the site address: Caddy host http:// http:// {
  root * /www/example.com
  file_server
} No Automatic HTTPS To be absolutely clear here, I am advocating for not supporting HTTPS. not It’s 2022. That would be absurd. But, what I am advocating for is to HTTPS. Get your certs, encrypt that traffic, do all the things you normally do… just don’t force an HTTP => HTTPS redirect on your users. not automatically redirecting Don’t get me wrong, HTTPS is critical for modern website security, but all modern browsers automatically redirect to HTTPS whether you enforce it or not. What this means is that retro browsers can still load your website in good-ole HTTP, while newer browsers will handle the more secure redirection to HTTPS for you. If you’re using the webserver, this is as simple as creating two separate server entries, one with an prefix, and one with an prefix (I’m sure there’s a er way to do this, in which case please yell at me via your preferred choice of digital communication): Caddy http:// https:// DRY http://example.com {
  root * /www/example.com
  file_server
}

https://example.com {
  root * /www/example.com
  file_server
} Raw HTML is Your Friend Remember the tag? And based layouts? What about ? I do. Because the foundation of my website is built using those pre-Y2k web development standards. <FONT> <TABLE> <CENTER> As much as modern browsers like to say that they have deprecated some of the aforementioned tags (among other things, like setting a default in your tag), they still support the usage because there are enough websites that haven't (and likely never will) upgraded to the homogeneous post Web 2.0 hellscape. bgcolor BODY One of the advantages to using these old-school web design methods is that to make things look better on newer devices. Instead of going crazy with flexbox and floats, do a basic layout using tables and adjust the look with CSS. This gives you the advantage of having a modern-looking website design (if that’s your thing), while also gracefully degrading on older browsers that don’t support it: you can still use modern CSS then Use CSS Sparingly I think it is safe to say that modern CSS simply won’t work with old browsers. I shouldn’t have to go into that is, but what if you want to have CSS, just to make things look a tad more pretty for browsers that were released in the last decade? why some In general, most browsers (even most legacy ones) will gracefully ignore CSS that they don’t understand, which means that tags for things like basic responsiveness and dark mode are usable without any issue. That said, browsers that predate CSS , and as a result simply the styles out at the top of the page. It's pretty ugly and, depending on how much CSS you have, borderline unusable: @media do not know what to do with _<style>_ tags print To work around this problem, you can put standard HTML comments within the tags, which will get ignored by CSS-supported browsers, while getting interpreted by pre-CSS browsers: <style> <style type="text/css">

</style> Gettin’ GIFfy Wit It Fun fact: the earliest browsers only supported color images of the GIF. I won’t get into the technical details here, but you can blame CompuServe for its creation. This means that, if you want your images to load in browser, they need to be in GIF format: any Neat, right? Also, not for nothing, but Scream at me all you want, but it’s what the inventors of the format , and I’m a sucker for historical accuracy: GIF is absolutely pronounced with a soft “G” sound. intended The creators of the format pronounced the acronym GIF as /dʒɪf/, with a soft g as in ‘gin’. Wilhite stated that the intended pronunciation deliberately echoes the American peanut butter brand Jif, and CompuServe employees would often quip “choosy developers choose GIF”, a spoof of Jif’s television commercials. Unnecessary Improvements Forgotten Link Tags There are a number of tags that older browsers support that can be pretty fun to add. For example, the tag indicates what the homepage for the current website. <link> home <link rel="home" href="http://flower.codes" /> In some browsers (such as NCSA Mosaic), this results in a cute little "home" icon at the top of the page that, when clicked, sends you to the designed URL: home Another useful tag to add is the author tag ( and ). This provides information about the author of the page, usually in the form of a address. In some browsers—such as —this tag makes it easy for the user to contact the page author without having to look anything up (or jump to a "contact" page). <link> refv=made rel='me authn' mailto: Lynx <link rev="made" rel="me authn" href="mailto:zach@flower.codes" /> ❤ Dithering Lately, it seems like dithering is all the rage. Personally, I came across it via , but I’ve seen it mentioned more frequently in the past year or so. I won’t go into the technical details here (Low Tech Magazine does a far better job explaining it than I can), but the thing to know is that dithering allows you to reduce the filesize of your images by reducing the amount of information it takes to render them. Low Tech Magazine Most applications focus on desaturating the image and inserting strategic whitespace so our eyes fill in the gaps, but I’ve taken a more… extreme approach (that is, when I use images at all, which I generally try not to). Because my website requires all images to be in the much-larger-than-PNG GIF format (see above), I insert significantly more whitespace to keep the filesizes super small. The result is terrible for screenshots, but looks fantastic on photos: In case you want to accomplish the same thing on your own website (retro-or-not), here is the shell script I use to “degrade” all of my images using the command line interface: ImageMagick #!/bin/bashpushd ./http/assets/posts/for f in *.jpg; do
    if [ -f "${f%.jpg}-degraded.gif" ]; then
        continue
    fi    echo "Converting $f to gif"    convert "${f}" -verbose -format GIF -interlace GIF -resize 640\> -colorspace gray -colors 4 -ordered-dither 8x8 -set filename:f "%[t]-degraded" "%[filename:f].gif"
done No JavaScript Just… No. Validation, Baby Okay, so we’ve built a website that any time traveler would be able to use. How the hell do we actually it? While it’s tempting to collect retro hardware and do it natively (something I haven’t avoided), there are a handful of great resources out there that can make checking your website against old browsers incredible straightforward. test completely OldWeb.Today The most frequently used tool in my arsenal, is a website that allows you to emulate a number of different retro browsers (from NCSA Mosaic to Netscape Navigator) from directly within your browser. This has allowed me to double-check my work and verify the workarounds above in realistic environments. oldweb.today own Utilu IE Collection If you have an old Windows XP virtual machine laying around (or an old XP laptop, as I do), then the is an valuable resource. On Windows XP, it allows you to install every version of Internet Explorer from 1 through 8, which is how I learned that my website actually on IE 1–8, but also how I discovered that IE 1 and 2 _don’t send the header. Utilu IE Collection incredibly works host Old Version Finally, for all of the browsers you may want to test (think Safari, Firefox, Netscape, and Chrome), is a favorite of mine. Personally, I pull down the oldest version of each browser they offer and install it on my test machine, allowing me to check my work on the “v1” releases of every browser out there. other oldversion.com Anything Else? It’s important to remember that this is an experiment that I’m running in relative isolation. There aren’t exactly a of resources out there for providing value to aging systems beyond “recycle it” or “install Linux on it” (with the exception of my trusty book), so what I’ve learned has been a long series of trial and error. ton How to Set Up and Maintain a Web Site If you happen to read this and have some of your own tips, please drop a comment. I’d love to hear from you! Also published at flower.codes

How To Build an Absurdly Backwards Compatible Website

Dark theme is one of the most requested features over the past few years. The biggest tech companies in the world have made dark themes an essential part of UI. Dark themes reduced luminance and provide safety in dark environments and can minimize eye strain. Here are 5 tips you should keep in mind when implementing dark mode in your apps: 1️⃣ Avoid pure dark Use a dark gray (#121212) as a dark theme base color to express elevation and space in an environment with a wider range of depth and also reduce eye strain. 2️⃣ Avoid using saturated colors on dark themes Saturated colors don't pass WCAG's accessibility standard, instead, use desaturated colors that can be used as a more legible alternative 3️⃣ Accessibility and Contrast Dark theme surfaces must be dark enough to display white text, to ensure that body text passes WCAG's AA standard. 4️⃣ Communicate Depth The higher a surface's elevation is, the lighter that surface becomes. Pic Credits: CSS Tricks 5️⃣ Light text on dark backgrounds When light text appears on dark backgrounds, it should use the following opacity levels: Thank you for reading If you liked this post, subscribe to my to never miss out on my blogs, product launches, and tech news, and follow me on for daily threads on web dev resources. newsletter Twitter

How to Implement Dark Mode: 5 Essential Tips to Remember

The insulated gate bipolar transistor (hereinafter referred to as IGBT) is a composite device of MOSFET and GTR. Thus it has the advantages of MOSFET and GTR, it is an ideal switch device to replace GTR, which is widely used at present with its ability to turn off, and it’s also widely used in all kinds of solid-state power supply. I. What is IGBT? The insulated gate bipolar transistor (hereinafter referred to as IGBT) is a composite device of MOSFET and GTR. Thus it has the advantages of MOSFET, including fast operation speed, high switching frequency, high input impedance, simple drive circuit, and good thermal temperature; it also contains the advantages of GTR, like large current-carrying capacity and high blocking voltage. It is an ideal switch device to replace GTR, which is widely used at present with its ability to turn off and is also widely used in all kinds of solid-state power supply. And it requires a reasonable drive circuit, but its improper control may cause damage, such as IGBT damage due to overcurrent, and affects the performance of the whole machine. In a word, the drive circuit is very important to IGBT. So this paper mainly discusses the driving and short-circuit protection of IGBT, based on the analysis of its working principle, then designs and simulates the overcurrent protection of the drive circuit. II. The Driving Requirement of IGBT Driving Requirement IGBT is a voltage-type control device. To make IGBT turn on and off safely and reliably, the driving circuit must meet the following conditions.  And the gate capacitance of IGBT is much larger than that of MOSFET. To increase the switching speed, it is necessary to have a suitable gate bias voltage and gate series resistance. Gate Voltage In any case, the gate drive voltage in the open state can not exceed the limited value (generally 20V) given by the parameter table, and the optimal gate forward-bias voltage is 15 V ±1.5V. This value is sufficient to allow IGBT to reach saturation and then getting conduction, which can minimize the conduction loss. In the case of gate voltage is cutting off with the value of zero, to reduce the turn-off time and improve the withstand voltage and anti-interference ability of IGBT, a reverse voltage of -5 ~ -15 V can be added between the gate and the source electrode when the IGBT is in a blocking state. Gate Series Resistance Core The selection of appropriate gate series resistance (RG) is very important for the drive of IGBT. The effect of RG on switching loss is shown in Fig.1. Fig. 1 The Effect of RG on Switching Loss It is the dynamic current of charging and discharging the input capacitance rather than the DC current that is required in a static state, and the input impedance of IGBT is up to 109 ~ 1011. In this case, the DC gain can reach 108 ~ 109, almost without any power consumption. To decrease the steepness of the front and rear edges of the control pulse, prevent oscillation and reduce the voltage tip pulse with a large IGBT collector, it is necessary to add a gate series resistor RG. When the RG increases, the on-off time will prolong and the energy consumption of the IGBT will increase; in turn, the RG reduces, the di/dt will increase and may damage IGBT. Thus, according to the current capacity and voltage rating, and switching frequency of IGBT, it is necessary to select a suitable RG, usually from dozens of ohms to hundreds of ohms. To get a more specific value of RG, it is suggested to refer to the device manual. Fig.2 Main Circuit of Inverter Power Supply Requirements for Driving Power The switching process of IGBT consumes a certain amount of power from the driving power supply. The difference between the gate forward bias voltage and the reverse bias voltage is the △VGE; working frequency is f, the gate capacitance is CGE; and the minimum peak current of the power supply is: Overcurrent Protection for IGBT The overcurrent protection of IGBT is limiting the short-circuit current and its I-V track to the short circuit safe working area when the device overflows, and the IGBT is turned off before the device is damaged to avoid the damage of the switch tube. When the upper and lower arms conducting, the power supply voltage is almost all added to the two ends of the switch, at this time, the larger the short circuit current is, the smaller the saturation voltage drop will be, during this time, the device would be damaged due to the large current. III. The Overcurrent Protection Analysis of IGBT Based on the above analysis, an IGBT drive circuit that contains isolated optocoupler and over-current protection has been put forward in this article, as shown in Fig.3. Fig.3 The Drive and Overcurrent Protection Circuit of IGBT In Fig.3, the high-speed optocoupler 6N137 realizes the electrical isolation of the input and output signals, which is suitable for high-frequency applications. The main drive circuit adopts push-pull output mode, which effectively reduces the output impedance of the drive circuit, improves the driving ability, and makes it suitable for the drive of high power IGBT. The over-current protection circuit uses the principle of desaturation of the collector. When an over-current occurs, the IGBT will be turn off. The V1, V3and V4 constitute the driving pulse amplifier circuit; V1 and R5 constitute an emitter follower. The emitter follower provides a fast current source, which reduces the turn-off time. Using the collector desaturation principle, D1, R6, R7, and V2 form a short-circuit signal detection circuit. D1 is a fast recovery diode, to prevent the high voltage on the collector from running into the driving circuit when IGBT is turned off. In order to prevent the power device from being misled by static electricity, bidirectional voltage regulators D3 and D4 are connected in parallel between the gate sources. Normal When the control circuit sends a high-level signal, the optocoupler 6N137 turns on, V1, V2 turns off, V3 turns on and V4 turns off. And the drive circuit provides IGBT a driving voltage of +15V to turn it on. When the control circuit sends a low level signal, the optocoupler 6N137 turns off, V2 and V3 conduct, and the drive circuit provides a voltage of -5v to IBGT, making IGBT shut down. Overcurrent When a short-circuit fault exists, the voltage of 15V is almost all added to the IGBT. At this time, the voltage of V2 cuts off in the short circuit detection circuit, and the electric potential of point A depends on the partial voltage of D1, R6, R7, and VCES.  When the main circuit works normally and the IGBT is on, the A point is kept low, which is lower than the B point potential. All A1 output low level, this time V5 cuts off, and the C point is high level. So when operating normally, the input to the optocoupler 6N137 is always consistent with the output. When overcurrent occurs, the IGBT collector is desaturated, A point potential rises, when it is higher than B potential ( the setting potential), that is, when the current exceeds the designed fixed value, the A1 overturns and outputs a high level, meanwhile, V5 is switched on, thereby making C in a low potential state. The input signal to the optocoupler 6N137 is always low level regardless of whether the control circuit is sent to a high level or a low level to turn off the power tube. Thus, over-current protection is achieved until the circuit is troubleshot and then restarted. Fig. 4 Strong Driving Circuit of IGBT with Short-Circuit Protection IV. Simulation and Experiment Input to the drive circuit with a high level of 15V and a low level of -5V square wave signal. The output waveform of IGBT is shown in Fig.5 Fig.5 IGBT Output Signal According to the above principle and analysis, the actual output waveform of the circuit is shown in Fig.6 Fig.6 Actual Circuit Output Waveform Conclusion Providing -5V and +15V driving voltage for IGBT to ensure IGBT's turn on and off. Having over-current protection to prevent the IGBT from being damaged when the current is overcurrent. Using in a wide range because the circuit can dynamically adjust the maximum current according to the load. Adopting discrete components as the driving circuits to reduce the cost of the whole system. Previously published at https://www.kynix.com/Blog/Basic-IGBT-Tutorial-Short-circuit-Protection-and-Driving-Circuit.html

Driving Circuit and Short Circuit Protection of IGBT

Each year brings new challenges and… design trends! With so many design options available, designing visually engaging content is crucial for making your audience sigh with awe. I am not even sure if is even a thing but.. you get it right? ‘sigh(ing) with awe’ So as I was saying… design trends of 2020 were definitely driven by innovation but those past innovations will be even more promising in 2021. The graphic design industry is expected to grow by 3% from 2018 to 2028. A good design is significant for today’s modern and competitive business landscape. Nowadays, companies are all about innovating and turning imaginative ideas into reality. Almost 40% of digital marketers prefer visual graphics over plain text because they are ranked as the best-performing element used in marketing activities. No matter the industry, powerful marketing materials are important if you want to ’ and engage your ideal audience. Either its’ a simple social media post or your company’s website, exceptional design helps you build your brand and connect with your customers. ‘stand out from the crowd Staying on top of the latest trends can help you transform your business and 2021 is all about embracing new ideas. It’s a year of pop art, seamless surrealism, and cool illustrations. So let's see what 2021 has in store for us in terms of design. 3D: Look Alive! It isn’t new but definitely the coolest. 3D design trends certainly have a lot of capabilities. Due to the AR and virtual reality technologies, 3D designs are bringing endless possibilities for both mobile and website design every year. We can see brands implementing 3D in their graphic design projects as well. Designers believe that 3D is one of the most creative design trends that seem to be causing ripples in the world of design, and I can’t agree more. Besides, companies that encourage creativity achieve 1.5 times greater market share. Talking about 3D website designs, is one of my favorites because it offers such as interactive 3D design for a healthcare industry. Google cloud next As amazing as it sounds, 3D designs have surely established themselves as consistent design trends over the course of previous years, say since 2019. It provides a more immersive experience when combined with flat illustrations, add a little movement to it… and voila you have got yourself a 3D dancing monkey! As 3D design adepts to realism, it can surely open the door for infinite possibilities in all aspects of graphic design. Muted Color Palettes Gone are the days of bold and bright colors. It’s all about muted colors now. They are desaturated light colors that make the design look more natural. Using light colors in web and interface design gives a rather relaxing feeling. The sharpness that comes from bright and dark colors are heavy on the eyes and can be overbearing. Therefore designers, moving forward, have embraced the use of muted colors to avoid unpleasantness. If you click on the link given below, you will know what I am talking about. https: //daveyandkrista.com/custom-design/rebecca-love/ 38% of visitors will stop browsing a website if the layout is unattractive. The reason why, websites using light colors are much more engaging. It enhances the entire visual experience and the calming effect encourages visitors to stay on the website for longer, which minimizes the bounce rate, improving website performance all in all. Emojis, Emojis Everywhere Adding a little fun to design always helps get user's attention, hence we can expect a more creative use of emojis dominating the design in 2021. Designers are finding newer ways to incorporate emojis as a design element to get the message across. Almost everyone in the world is familiar with emoticons, therefore people can associate with them much quicker than random images. 92% of the online population uses emojis daily. Icons for HuaJiao/ Dribble They are fun visuals that give a playful vibe to the seriousness of the content and make it sound simple and friendly. Besides, emojis evoke emotions. Add a wink to the end of the sentence and you got yourself a ten! Emojis fuel light feelings and encourage users to interact with your brand. Land Really is the Best Art Designs inspired by nature are gaining popularity among the community of designers. Brands are using elements of nature such as wood textures, leafy patterns including soft earthy colors, and gradients in their designs. In short, nature is making its way into designs this year 2021. Dilara İsis Yavuz/ Dribble One of the many reasons for inclination towards nature is due to self-isolation during the global Pandemic. Everyone wants to spend time with nature and looking at nature-inspired designs brings a calming and soothing effect. The main idea behind such designs is that ‘If you can not go out to the beach, let the beach come to you.’ Icon-ic Illustrations Illustrations only evolve but can never go out of style if you ask me. They make the entire design stand out and give websites a rather subtle, clean, and minimalistic look. Illustrations themselves have a lot more variations such as custom cartoon creations. Just like emojis, they add playfulness to the entire design. Also, hand drawn and black & white illustrations over muted colors call for engaging imagery.  Either you want to tell a story, or visualize a data, illustrations make complex information easier. Speaking of icons, graphic design trends are cyclic. For example, we have seen flat icons gaining attention some five years ago, it was outplayed by the glyph and outlined icons. But they are back to being classy and trendy again. Doesn’t mean glyph, outlined, or colored icons are out of style, no. We can see many designers using the combination of one or two styles for maximum effect. Icons are considered powerful tools for visual representation. They are self-explanatory. Just by glimpsing at icons, users can tell the context of the content. - A software outsourcing company is one of the great examples of using hand drawn illustrations in their blog section and a combination of icons in their website design. Invozone Geometric Shapes Mhm, we saw them coming! Using variations of geometrical shapes to construct a design is set to peak in 2021. Simple shapes when placed together randomly can form amazing designs. Geometric shapes are reshaping design trends. We don’t need noise to stand out; delicate geometric shapes can do the trick, they are as functional as the loud ones. 48% of users believe website design is the #1 factor when judging a business’s credibility. Geometric design not only looks clean but beautiful and professional. They can compliment business cards, webpages, and social media posts, just the same. I absolutely love . Perfect example of using geometric design. Invision's Design blog https: //www.invisionapp.com/inside-design/ Micro Animations They are small animations but significant. These tiny interactions guide and keep the users engaged. Adding micro animations to hero headers is more practical since it has a navigation bar. Micro animations have been exceedingly used in web design in recent years. The possibilities of using micro interactive animations are endless. It enhances the entire user experience. Animations either big or small leaves a striking impression when visitors first land on the website due to their eye-catching properties. They can entice users and draw their attention to exactly where you want them to. Such as upon hovering, icons alter their color or appearance. and both have some amazing micro-interactions on their websites. Stripe Invision Typography Yes, I am talking about typography here. Classic serif fonts are quite old but they are still going strong. Serif fonts are classy, elegant, and super professional. But not all serif typefaces can go with your brand, therefore you must choose the one that sits well with your design. Serif and San Serif fonts are favored among brands mostly because of their readability value. Use serif fonts and see people start taking your brand seriously. Concerning design, then your choice of font indicates your company’s personality which is why it is important to choose the right typeface. My personal favorite is Georgia. Look at typography. Mailchimp's The Bottom Line Predictions may not always be accurate but they are still useful. The design trends don't stop here. 2021 will be the year of exciting innovations. The graphic design community is growing at an unprecedented rate, where everyone wants to be at the top of their game. According to web design statistics, are design-related. So to take the front seat, keeping in touch with changing trends is a step in the right direction. 94% of first impressions This article was orginally published on . Linked-In

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