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Appleute

appleute

Stop using if statements unless absolutely necessary. Using statement is a clunky way of writing code and should be avoided wherever possible (in most situations, this is almost 100% of the time). if Don’t get me wrong, statements are useful in certain scenarios and are there for a reason. However, overusing them in areas where they can be avoided will not only make your life harder when it comes the time to revisit the code in a few months' time, but also impact the time it takes for a dev to understand the context of the code and continue with the task that has been assigned to them. This disrupts the “flow” and contributes to lower overall efficiency. Less is more. if Looking at the code snippet below, we’re retrieving a card from the database by encrypted card number and returning a validation response based on certain conditions. async validateCard(encryptedCardNumber) {
  const card = await this.lookupCard(encryptedCardNumber);
  if (!card) {
    console.log(NotFoundResponse.message);
    return NotFoundResponse;
  }
  else if (card.isBlacklisted) {
    console.log(BlacklistedReponse.message);
    return BlacklistedResponse;
  }
  else if (card.isDeleted) {
    console.log(DeletedResponse.message);
    return DeletedResponse;
  } 
  else if (card.status !== CardStatus.active) {
    console.log(InactiveResponse.message);
    return InactiveResponse;
  }
  else {
    console.log(ValidResponse.message);
    return ValidResponse;
  }
} Having these many statements not only require quite a bit of effort to decipher, but as more conditions get added, we’ll soon be scrolling up and down to ensure each and every case has been met, adding more fuel to the fire. Alongside this, there also seems to be code duplication which can be extracted for the sake of maintainability. if The example below does just that. It replaces the countless if statements with and (short-circuit evaluation), which is a whole lot neater and easier to understand. For those that aren’t familiar with disjunction and conjunction, I’d highly recommend looking it up, but here’s a brief description: Logical AND Logical_OR ( ) evaluates operands from left to right, returning immediately with the value of the first operand it encounters; if all values are , the value of the last operand is returned. Logical AND && falsy truthy The ( ) operator (logical disjunction) for a set of operands is true if and only if one or more of its operands is true. With short-circuit evaluation, it simply returns the first truthy expression. logical OR || async validateCard(encryptedCardNumber) {
  const card = await this.lookupCard(encryptedCardNumber);
  
  const response = 
    !card && NotFoundResponse ||
    card.isDeleted && DeletedResponse || 
    card.isBlacklisted && BlacklistedResponse ||
    card.status !== cardStatus.active && InvalidStatus ||
    ValidResponse;

  console.log(response.message);
  return response;
} As business requirements change, so does the code. In some cases that may be removing the code entirely, but in others, it’s expanding onto what’s already there. Here’s a popular interview question that gets asked, and is concerned with your ability to create a somewhat scalable solution Create a function that converts a given number between 1–10 into words Simple right? Just having a bunch of if (or switch) statements in the function should do, and impress the interviewer. function convertIntegerToText(num) {
  if (num === 1) return "one";
  if (num === 2) return "two";
  if (num === 3) return "three";
  // ...
  if (num === 10) return "ten";
} But what if they then say this, The requirements have changed. We now want to use this function to convert numbers between 1–100 into words What are you going to do now? Just keep writing if statements for each and every scenario? What if they later change the requirements to convert numbers up to 1000? The better approach is to think of a scalable solution from the get-go. A key fundamental principle to keep in mind when designing, architecting, writing, and maintaining code is how time affects the sustainability of software and how to make your code resilient over time. A scalable solution is therefore a code where there is either no statements whatsoever or a few statements that can cover the majority of the cases, if not all, with minimal to no modifications required. if const ONES = ["", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"];
const TEENS = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"];
const TENS = ["", "", "twenty", "thirty", "fourty", "fifty", "sixty", "seventy", "eighty", "ninety"];

function convertIntegerToText(num) {
  if (num < 20) 
    return ONES[num] ?? TEENS[num - 10];
  
  if (num < 100)
    return `${TENS[Math.floor(num / 10)]} ${convertIntegerToText(num % 10)}`;
  
  if (num < 1000)
    return `${ONES[Math.floor(num / 100)]} hundred ${convertIntegerToText(num % 100)}`;
  
  throw new Error("Number too high");
} To end things off, have a look at the snippet below, and judge for yourself which one you think is highly scalable, maintainable, easier to read, and will help you stay in the state of flow if you do come across it? // home.jsx
function getCompanyTemplate(company) {
  if (company === "apple") {
    return <AppleTemplate />
  }
  if (company === "samsung") {
    return <SamsungTemplate />
  }
  if (company === "sony") {
    return <Sony />
  }
  if (company === "lg") {
    return <Lg />
  }
}
  
// OR
  
// index.jsx
export const templates = {
  apple: <Apple />,
  samsung: <Samsung />,
  sony: <Sony />,
  lg: <Lg />,
}

// home.jsx
import { templates } from "./index"
function getCompanyTemplate(company) {
  return templates[company];
} My previous showcases an in-depth scalable frontend solution without any statements. Be sure to check it out! article if Also published . here

Why Should Every Javascript Developer Avoid Using if Statements

¿Por qué todos los desarrolladores de Javascript deberían evitar el uso de declaraciones if?

Welcome to the digital stage, a dazzling world where you, the streamer, take the spotlight, weaving stories and sharing moments in real-time. Here, speed isn't just a feature; it's the very essence of your performance, the heartbeat of your connection with a global audience. Yet, lurking in the shadows of this dynamic landscape is a notorious villain, a showstopper dreaded by performers and audiences alike: "Buffering." This unwelcome guest introduces annoying pauses during your live streams, holding your viewers in suspense, but for all the wrong reasons. It's the hiccup in your performance you didn't script, the unintended cliffhanger that can turn cheers into jeers. Not quite the dramatic twist you were aiming for, right? Enter the Hero: CDN to the Rescue! So, how do you keep the show going smoothly? The secret weapon against this pesky interruption is something called a Content Delivery Network (CDN). Picture a CDN as your behind-the-scenes crew, strategically positioned worldwide. Their mission? To ensure your live performance reaches the audience super fast, no matter where they're seated in the digital auditorium. How Does This Behind-the-Scenes Crew Work?(CDN) When you go live, rather than your performance trekking from a distant server (which gives buffering a chance to crash your show), it's broadcasted from the CDN team member nearest to your viewers. It's like having a local stage in every city, ensuring your performance is live and direct, without delay. Why This Matters to You, the Performer In a world where the audience's patience wears thinner than a tightrope, even a slight hiccup in your stream can lead to a mass exodus from your digital venue. That's where CDNs shine. They're the unsung heroes keeping the digital stage lit, ensuring your show flows without a hitch and your audience stays captivated. The Secret Sauce: 5centsCDN Among the cadre of digital stagehands, 5centsCDN steals the spotlight. With an extensive network ensuring your performance is as smooth as a rehearsed Broadway number, buffering doesn't stand a chance. Think of as your personal stage manager, guaranteeing a seamless show from curtain rise to curtain call. 5centsCDN Encore! The Standing Ovation Benefits Adopting a CDN isn't just about dodging buffering; it's like unlocking a chest of performance-enhancing treasures: : Like a world tour, a CDN takes your show to viewers far and wide, ensuring no fan misses out, no matter their locale. Global Audience Reach : Keep your audience's eyes glued with crystal-clear streaming, as vivid as live theater, making every detail and emotion pop off the screen. HD Quality : Your performance hits the stage faster than a tap dancer's feet, with nary a pause, keeping the rhythm and energy of your stream alive. Supercharged Speed : Safeguard your content like a backstage pass, keeping digital gatecrashers at bay and ensuring your exclusive content remains exclusive. Fort Knox Security : More show for less dough because an efficient stream doesn't drain your production budget, leaving more resources for creative endeavors. Cost Efficiency Casting Your CDN Sidekick Not all CDNs are ready for the limelight. When scouting for your streaming co-star, consider their global network, ability to dodge internet traffic jams, and, of course, the ticket price. It's like choosing the best supporting actor for your blockbuster show—a crucial decision that can elevate your performance. The Final Bow In the vast theater of the internet, your live stream deserves the main stage. Thanks to CDNs, you can give your audience the seamless, high-definition performance they came for. When it comes to ensuring that no single act is missed, 5centsCDN is the wingman every streamer dreams of. So, here's to uninterrupted streaming, standing ovations, and encores galore! As the curtain falls, remember, in the digital era, every streamer has the potential to be a global sensation. With CDNs like 5centsCDN in your corner, the world is your audience, and every stream is a chance to shine.

No Pause, All Applause: Elevating Your Live Streams with CDN Brilliance

কোন বিরতি নেই, সমস্ত করতালি: CDN ব্রিলিয়ান্সের সাথে আপনার লাইভ স্ট্রিমগুলিকে উন্নত করা৷

Keine Pause, nur Applaus: Verbessern Sie Ihre Live-Streams mit CDN Brilliance

Sin pausas, todo aplausos: eleva tus transmisiones en vivo con CDN Brilliance

Pas de pause, tous des applaudissements : améliorez vos diffusions en direct avec CDN Brilliance

कोई विराम नहीं, पूरी तालियाँ: सीडीएन ब्रिलियंस के साथ अपनी लाइव स्ट्रीम को उन्नत करना

一時停止なし、すべての拍手: CDN の輝きでライブ ストリームを向上

일시 정지 없이 모든 박수 갈채: CDN Brilliance로 라이브 스트림 향상

Sem pausa, todos aplausos: elevando suas transmissões ao vivo com CDN Brilliance

Никаких пауз, одни аплодисменты: улучшите качество своих прямых трансляций с помощью CDN Brilliance

Duraklatma Yok, Alkışlar: Canlı Yayınlarınızı CDN Mükemmelliğiyle Yükseltiyoruz

Không tạm dừng, tất cả đều vỗ tay: Nâng tầm luồng trực tiếp của bạn với CDN rực rỡ

没有停顿，掌声不断：利用 CDN 提升您的直播水平

Five Weeks in a Balloon by Jules Verne, is part of the HackerNoon Books Series. You can jump to any chapter in this book . Chapter I here CHAPTER FIRST. The End of a much-applauded Speech.—The Presentation of Dr. Samuel Ferguson.—Excelsior.—Full-length Portrait of the Doctor.—A Fatalist convinced.—A Dinner at the Travellers’ Club.—Several Toasts for the Occasion. There was a large audience assembled on the 14th of January, 1862, at the session of the Royal Geographical Society, No. 3 Waterloo Place, London. The president, Sir Francis M——, made an important communication to his colleagues, in an address that was frequently interrupted by applause. This rare specimen of eloquence terminated with the following sonorous phrases bubbling over with patriotism: “England has always marched at the head of nations” (for, the reader will observe, the nations always march at the head of each other), “by the intrepidity of her explorers in the line of geographical discovery.” (General assent). “Dr. Samuel Ferguson, one of her most glorious sons, will not reflect discredit on his origin.” (“No, indeed!” from all parts of the hall.) “This attempt, should it succeed” (“It will succeed!”), “will complete and link together the notions, as yet disjointed, which the world entertains of African cartology” (vehement applause); “and, should it fail, it will, at least, remain on record as one of the most daring conceptions of human genius!” (Tremendous cheering.) “Huzza! huzza!” shouted the immense audience, completely electrified by these inspiring words. “Huzza for the intrepid Ferguson!” cried one of the most excitable of the enthusiastic crowd. The wildest cheering resounded on all sides; the name of Ferguson was in every mouth, and we may safely believe that it lost nothing in passing through English throats. Indeed, the hall fairly shook with it. And there were present, also, those fearless travellers and explorers whose energetic temperaments had borne them through every quarter of the globe, many of them grown old and worn out in the service of science. All had, in some degree, physically or morally, undergone the sorest trials. They had escaped shipwreck; conflagration; Indian tomahawks and war-clubs; the fagot and the stake; nay, even the cannibal maws of the South Sea Islanders. But still their hearts beat high during Sir Francis M——‘s address, which certainly was the finest oratorical success that the Royal Geographical Society of London had yet achieved. But, in England, enthusiasm does not stop short with mere words. It strikes off money faster than the dies of the Royal Mint itself. So a subscription to encourage Dr. Ferguson was voted there and then, and it at once attained the handsome amount of two thousand five hundred pounds. The sum was made commensurate with the importance of the enterprise. A member of the Society then inquired of the president whether Dr. Ferguson was not to be officially introduced. “The doctor is at the disposition of the meeting,” replied Sir Francis. “Let him come in, then! Bring him in!” shouted the audience. “We’d like to see a man of such extraordinary daring, face to face!” “Perhaps this incredible proposition of his is only intended to mystify us,” growled an apoplectic old admiral. “Suppose that there should turn out to be no such person as Dr. Ferguson?” exclaimed another voice, with a malicious twang. “Why, then, we’d have to invent one!” replied a facetious member of this grave Society. “Ask Dr. Ferguson to come in,” was the quiet remark of Sir Francis M——. And come in the doctor did, and stood there, quite unmoved by the thunders of applause that greeted his appearance. He was a man of about forty years of age, of medium height and physique. His sanguine temperament was disclosed in the deep color of his cheeks. His countenance was coldly expressive, with regular features, and a large nose—one of those noses that resemble the prow of a ship, and stamp the faces of men predestined to accomplish great discoveries. His eyes, which were gentle and intelligent, rather than bold, lent a peculiar charm to his physiognomy. His arms were long, and his feet were planted with that solidity which indicates a great pedestrian. A calm gravity seemed to surround the doctor’s entire person, and no one would dream that he could become the agent of any mystification, however harmless. Hence, the applause that greeted him at the outset continued until he, with a friendly gesture, claimed silence on his own behalf. He stepped toward the seat that had been prepared for him on his presentation, and then, standing erect and motionless, he, with a determined glance, pointed his right forefinger upward, and pronounced aloud the single word— “Excelsior!” Never had one of Bright’s or Cobden’s sudden onslaughts, never had one of Palmerston’s abrupt demands for funds to plate the rocks of the English coast with iron, made such a sensation. Sir Francis M——‘s address was completely overshadowed. The doctor had shown himself moderate, sublime, and self-contained, in one; he had uttered the word of the situation— “Excelsior!” The gouty old admiral who had been finding fault, was completely won over by the singular man before him, and immediately moved the insertion of Dr. Ferguson’s speech in “The Proceedings of the Royal Geographical Society of London.” Who, then, was this person, and what was the enterprise that he proposed? Ferguson’s father, a brave and worthy captain in the English Navy, had associated his son with him, from the young man’s earliest years, in the perils and adventures of his profession. The fine little fellow, who seemed to have never known the meaning of fear, early revealed a keen and active mind, an investigating intelligence, and a remarkable turn for scientific study; moreover, he disclosed uncommon address in extricating himself from difficulty; he was never perplexed, not even in handling his fork for the first time—an exercise in which children generally have so little success. His fancy kindled early at the recitals he read of daring enterprise and maritime adventure, and he followed with enthusiasm the discoveries that signalized the first part of the nineteenth century. He mused over the glory of the Mungo Parks, the Bruces, the Caillies, the Levaillants, and to some extent, I verily believe, of Selkirk (Robinson Crusoe), whom he considered in no wise inferior to the rest. How many a well-employed hour he passed with that hero on his isle of Juan Fernandez! Often he criticised the ideas of the shipwrecked sailor, and sometimes discussed his plans and projects. He would have done differently, in such and such a case, or quite as well at least—of that he felt assured. But of one thing he was satisfied, that he never should have left that pleasant island, where he was as happy as a king without subjects—no, not if the inducement held out had been promotion to the first lordship in the admiralty! It may readily be conjectured whether these tendencies were developed during a youth of adventure, spent in every nook and corner of the Globe. Moreover, his father, who was a man of thorough instruction, omitted no opportunity to consolidate this keen intelligence by serious studies in hydrography, physics, and mechanics, along with a slight tincture of botany, medicine, and astronomy. Upon the death of the estimable captain, Samuel Ferguson, then twenty-two years of age, had already made his voyage around the world. He had enlisted in the Bengalese Corps of Engineers, and distinguished himself in several affairs; but this soldier’s life had not exactly suited him; caring but little for command, he had not been fond of obeying. He, therefore, sent in his resignation, and half botanizing, half playing the hunter, he made his way toward the north of the Indian Peninsula, and crossed it from Calcutta to Surat—a mere amateur trip for him. From Surat we see him going over to Australia, and in 1845 participating in Captain Sturt’s expedition, which had been sent out to explore the new Caspian Sea, supposed to exist in the centre of New Holland. Samuel Ferguson returned to England about 1850, and, more than ever possessed by the demon of discovery, he spent the intervening time, until 1853, in accompanying Captain McClure on the expedition that went around the American Continent from Behring’s Straits to Cape Farewell. Notwithstanding fatigues of every description, and in all climates, Ferguson’s constitution continued marvellously sound. He felt at ease in the midst of the most complete privations; in fine, he was the very type of the thoroughly accomplished explorer whose stomach expands or contracts at will; whose limbs grow longer or shorter according to the resting-place that each stage of a journey may bring; who can fall asleep at any hour of the day or awake at any hour of the night. Nothing, then, was less surprising, after that, than to find our traveller, in the period from 1855 to 1857, visiting the whole region west of the Thibet, in company with the brothers Schlagintweit, and bringing back some curious ethnographic observations from that expedition. During these different journeys, Ferguson had been the most active and interesting correspondent of the , the penny newspaper whose circulation amounts to 140,000 copies, and yet scarcely suffices for its many legions of readers. Thus, the doctor had become well known to the public, although he could not claim membership in either of the Royal Geographical Societies of London, Paris, Berlin, Vienna, or St. Petersburg, or yet with the Travellers’ Club, or even the Royal Polytechnic Institute, where his friend the statistician Cockburn ruled in state. Daily Telegraph The latter had, one day, gone so far as to propose to him the following problem: Given the number of miles travelled by the doctor in making the circuit of the Globe, how many more had his head described than his feet, by reason of the different lengths of the radii?—or, the number of miles traversed by the doctor’s head and feet respectively being given, required the exact height of that gentleman? savant This was done with the idea of complimenting him, but the doctor had held himself aloof from all the learned bodies—belonging, as he did, to the church militant and not to the church polemical. He found his time better employed in seeking than in discussing, in discovering rather than discoursing. There is a story told of an Englishman who came one day to Geneva, intending to visit the lake. He was placed in one of those odd vehicles in which the passengers sit side by side, as they do in an omnibus. Well, it so happened that the Englishman got a seat that left him with his back turned toward the lake. The vehicle completed its circular trip without his thinking to turn around once, and he went back to London delighted with the Lake of Geneva. Doctor Ferguson, however, had turned around to look about him on his journeyings, and turned to such good purpose that he had seen a great deal. In doing so, he had simply obeyed the laws of his nature, and we have good reason to believe that he was, to some extent, a fatalist, but of an orthodox school of fatalism withal, that led him to rely upon himself and even upon Providence. He claimed that he was impelled, rather than drawn by his own volition, to journey as he did, and that he traversed the world like the locomotive, which does not direct itself, but is guided and directed by the track it runs on. “I do not follow my route;” he often said, “it is my route that follows me.” The reader will not be surprised, then, at the calmness with which the doctor received the applause that welcomed him in the Royal Society. He was above all such trifles, having no pride, and less vanity. He looked upon the proposition addressed to him by Sir Francis M——as the simplest thing in the world, and scarcely noticed the immense effect that it produced. When the session closed, the doctor was escorted to the rooms of the Travellers’ Club, in Pall Mall. A superb entertainment had been prepared there in his honor. The dimensions of the dishes served were made to correspond with the importance of the personage entertained, and the boiled sturgeon that figured at this magnificent repast was not an inch shorter than Dr. Ferguson himself. Numerous toasts were offered and quaffed, in the wines of France, to the celebrated travellers who had made their names illustrious by their explorations of African territory. The guests drank to their health or to their memory, in alphabetical order, a good old English way of doing the thing. Among those remembered thus, were: Abbadie, Adams, Adamson, Anderson, Arnaud, Baikie, Baldwin, Barth, Batouda, Beke, Beltram, Du Berba, Bimbachi, Bolognesi, Bolwik, Belzoni, Bonnemain, Brisson, Browne, Bruce, Brun-Rollet, Burchell, Burckhardt, Burton, Cailland, Caillie, Campbell, Chapman, Clapperton, Clot-Bey, Colomieu, Courval, Cumming, Cuny, Debono, Decken, Denham, Desavanchers, Dicksen, Dickson, Dochard, Du Chaillu, Duncan, Durand, Duroule, Duveyrier, D’Escayrac, De Lauture, Erhardt, Ferret, Fresnel, Galinier, Galton, Geoffroy, Golberry, Hahn, Halm, Harnier, Hecquart, Heuglin, Hornemann, Houghton, Imbert, Kauffmann, Knoblecher, Krapf, Kummer, Lafargue, Laing, Lafaille, Lambert, Lamiral, Lampriere, John Lander, Richard Lander, Lefebvre, Lejean, Levaillant, Livingstone, MacCarthy, Maggiar, Maizan, Malzac, Moffat, Mollien, Monteiro, Morrison, Mungo Park, Neimans, Overweg, Panet, Partarrieau, Pascal, Pearse, Peddie, Penney, Petherick, Poncet, Prax, Raffenel, Rabh, Rebmann, Richardson, Riley, Ritchey, Rochet d’Hericourt, Rongawi, Roscher, Ruppel, Saugnier, Speke, Steidner, Thibaud, Thompson, Thornton, Toole, Tousny, Trotter, Tuckey, Tyrwhitt, Vaudey, Veyssière, Vincent, Vinco, Vogel, Wahlberg, Warrington, Washington, Werne, Wild, and last, but not least, Dr. Ferguson, who, by his incredible attempt, was to link together the achievements of all these explorers, and complete the series of African discovery. 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. Jules Verne (2002). Five Weeks in a Balloon. Urbana, Illinois: Project Gutenberg. Retrieved October 2022 https://www.gutenberg.org/cache/epub/3526/pg3526-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

The End of a much-applauded Speech

Photo by HackerNoon. Welcome to ’s ! If you’re an actual winner of an award, or simply feel like a winner today, the link for the template is . HackerNoon Writing Prompts HERE Hey Hackers! I’m and I’m a Bryan Applegate, VideoGames Writer for Hackernoon. First of all, I’d like to say a huge thank you to the community for recognizing as the winner of: HackerNoon me HackerNoon Contributor of the Year - VIDEOGAMES Reporter: What does it mean for you to win this title? HackerNoon To have won this award… It gives me credibility in this medium as a Legitimate Videogames Journalist. I feel equal to my more successful peers. How do you or your company intend to embrace the responsibility of this title in 2022? I intend to create more awesome, informative, and truthful video game news, reviews, and coverage in general as this year progresses. What are some of the goals you’re looking forward to accomplishing in 2022 (whether it be through company initiatives or your personal journey)? My goals for 2022 are to take the writing prowess I got from here, and bring that level of expertise to the Theatre Journalism community. In doing so, I hope to be further recognized in the Journalism Community. As you look at the variety of concerning trends in the world around you, what solutions can you think of? Name three trends and three solutions. Be as brief or as detailed as you like. Art theft in the form of easy-to-generate NFTs is one of the fastest-growing trends in the world as of late. My best solution is to back up all your important art drawing files before they are stolen. Another current trend is the decline in Crypto in general. For this one, the solution is super easy:  IF you have money invested in Crypto, take what is left out of there and invest it in something else like Stocks. They’ll be more stable than Crypto is, currently. ANY For my 3rd trend of choice, I’d like to go over NFTs again, but it’s more about their slowing entrance into the videogames industry.  Several games companies, such as Ubisoft, Square Enix, etc. are all into implementing NFT JPEGS into their games, with well-earned universal outcry. The best solution to this problem is to listen to consumers and NOT implement them. After participating in this journey, is there anything that you would like the team to know? HackerNoon I would like you to know that I’m still in college, and as much as I want to be recognized for my writing, I don’t want to be immortalized as an NFT either. What is something special about you or your company that you’ve rarely had the chance to properly share but really wanted to? (Give this one a proper think, I’ll know if you didn’t!) I think - after some long thought, of course - that something special about me is my attention to detail and ability to find news without ay supervision.  It permeates from my increasing time as a theatre actor to -of course - games journalism. What song or music album are you currently enjoying? Not currently listening to a song or album. What are some concepts you wish people knew more about? I wish more people knew about the volatility of Cryptocurrency. Is there anything else you’d like me to know? It can be anything. I’m a theatre actor and an award-winning Videogames journalist. I look forward to being interviewed if I end up winning again this year. Thank you for everything that you do! – Team. HackerNoon P.S. If you enjoy getting interviewed (AKA, the ol’ intellectual stimulation, check out some more interviews !) here For more information: Read about the Noonies . To see all of the winners you may visit , pick any award, and view the name that appears at the top. Or follow for posts with the list of names released over the course of the week of February 14, 2022. here this site this account Read the FAQs about or . To see all of the winners you may visit , pick any city and view the name that appears at the top. Or follow for posts with the list of names released over the course of the week of February 14, 2022. Startups here here this site this account Thank you to all of our sponsors! We truly appreciate your contribution to the tech world and thus the future! : Startups , , , , , , , , , , Blockster Brex FreeCodeCamp LaunchDarkly Coil Udacity Udemy Vercel Asia Pacific Transgender Network Bybit Everscale Network : Noonies The Noonies Awards are sponsored by: , , and hosted by: Bybit Avast TECH Domains HackerNoon

Stocks will be More Profitable than Crypto - Interview With Bryan Applegate

“AI literacy” is an issue that needs to be addressed. The vast majority of IT and line of business managers did not grow up with artificial intelligence. They are not comfortable with the technology and are happy to take “exploratory” meetings but are loathe to move forward on any AI project. “Without this type of program, we may well be condemned to sitting in meetings for years where everyone nods their head and smiles, but no one ever signs off on anything.” This has led to AI being trapped within Innovation teams that are highly segregated from the rest of the company, or being locked out of the enterprise altogether. What’s the solution? The managing class needs to be made to feel more comfortable with artificial intelligence. Their fears need to be allayed (the robot apocalypse has been cancelled), and their understanding of the technology and its strategic value has to be built up. Just like Johnny Appleseed, the industry needs to send out representatives across the land to raise the overall AI literacy of executives and managers. This will greatly accelerate AI adoption. Without this type of program, we may well be condemned to sitting in meetings for years where everyone nods their head and smiles, but no one ever signs off on anything. It’s time for all the Appleseeds out there to fill up their pouches and start walking the highways and byways of the big blue marble.

AI needs a Johnny Appleseed Program

How to Build Scalable NLP-Powered Voice Agents for Seamless User Interactions

Edge detection is fundamental in computer vision, allowing us to identify object boundaries within images. In this tutorial, we'll implement edge detection using the Sobel operator and the Canny edge detector with Python and OpenCV. We'll then create a simple web application using Flask, styled with Bootstrap, to allow users to upload images and view the results. DEMO LINK: https://edge-detection-u7f3.onrender.com Prerequisites Python 3.x installed on your machine.
Basic knowledge of Python programming.
Familiarity with HTML and CSS is helpful but not required. Setting Up the Environment 1. Install Required Libraries Open your terminal or command prompt and run: pip install opencv-python numpy Flask 2. Create the Project Directory mkdir edge_detection_app
cd edge_detection_app Implementing Edge Detection 1. The Sobel Operator The Sobel operator calculates the gradient of image intensity, emphasizing edges. Code Implementation: import cv2

# Load the image in grayscale
image = cv2.imread('input_image.jpg', cv2.IMREAD_GRAYSCALE)
if image is None:
    print("Error loading image")
    exit()

# Apply Sobel operator
sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)  # Horizontal edges
sobely = cv2.Sobel(image, cv2.CV_64F, 0, 1, ksize=5)  # Vertical edges 2. The Canny Edge Detector The Canny edge detector is a multi-stage algorithm for detecting edges. Code Implementation: # Apply Canny edge detector
edges = cv2.Canny(image, threshold1=100, threshold2=200) Creating a Flask Web Application 1. Set Up the Flask App Create a file named app.py: from flask import Flask, request, render_template, redirect, url_for
import cv2
import os

app = Flask(__name__)

UPLOAD_FOLDER = 'static/uploads/'
OUTPUT_FOLDER = 'static/outputs/'

app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['OUTPUT_FOLDER'] = OUTPUT_FOLDER

# Create directories if they don't exist
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
os.makedirs(OUTPUT_FOLDER, exist_ok=True) 2. Define Routes Upload Route: @app.route('/', methods=['GET', 'POST'])
def upload_image():
    if request.method == 'POST':
        file = request.files.get('file')
        if not file or file.filename == '':
            return 'No file selected', 400
        filepath = os.path.join(app.config['UPLOAD_FOLDER'], file.filename)
        file.save(filepath)
        process_image(file.filename)
        return redirect(url_for('display_result', filename=file.filename))
    return render_template('upload.html') Process Image Function: def process_image(filename):
    image_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
    image = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)

    # Apply edge detection
    sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)
    edges = cv2.Canny(image, 100, 200)

    # Save outputs
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'sobelx_' + filename), sobelx)
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'edges_' + filename), edges) Result Route: @app.route('/result/<filename>')
def display_result(filename):
    return render_template('result.html',
                           original_image='uploads/' + filename,
                           sobelx_image='outputs/sobelx_' + filename,
                           edges_image='outputs/edges_' + filename) 3. Run the App if __name__ == '__main__':
    app.run(debug=True) Styling the Web Application with Bootstrap Include Bootstrap CDN in your HTML templates for styling. 1. upload.html Create a templates directory and add upload.html: <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection App</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-4">Upload an Image for Edge Detection</h1>
        <div class="row justify-content-center">
            <div class="col-md-6">
                <form method="post" enctype="multipart/form-data" class="border p-4">
                    <div class="form-group">
                        <label for="file">Choose an image:</label>
                        <input type="file" name="file" accept="image/*" required class="form-control-file" id="file">
                    </div>
                    <button type="submit" class="btn btn-primary btn-block">Upload and Process</button>
                </form>
            </div>
        </div>
    </div>
</body>
</html> 2. result.html Create result.html in the templates directory: <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection Results</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-5">Edge Detection Results</h1>
        <div class="row">
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Original Image</h4>
                <img src="{{ url_for('static', filename=original_image) }}" alt="Original Image" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Sobel X</h4>
                <img src="{{ url_for('static', filename=sobelx_image) }}" alt="Sobel X" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Canny Edges</h4>
                <img src="{{ url_for('static', filename=edges_image) }}" alt="Canny Edges" class="img-fluid rounded mx-auto d-block">
            </div>
        </div>
        <div class="text-center mt-4">
            <a href="{{ url_for('upload_image') }}" class="btn btn-secondary">Process Another Image</a>
        </div>
    </div>
</body>
</html> Running and Testing the Application 1. Run the Flask App python app.py 2. Access the Application Open your web browser and navigate to http://localhost:5000. Upload an image and click Upload and Process.
View the edge detection results. SAMPLE RESULT Conclusion We've built a simple web application that performs edge detection using the Sobel operator and the Canny edge detector. By integrating Python, OpenCV, Flask, and Bootstrap, we've created an interactive tool that allows users to upload images and view edge detection results. Next Steps Enhance the Application: Add more edge detection options or allow parameter adjustments.
Improve the UI: Incorporate more Bootstrap components for a better user experience.
Explore Further: Deploy the app on other platforms like Heroku or AWS. Resources GitHub Repository: Edge Detection App Edge detection is fundamental in computer vision, allowing us to identify object boundaries within images. In this tutorial, we'll implement edge detection using the Sobel operator and the Canny edge detector with Python and OpenCV. We'll then create a simple web application using Flask, styled with Bootstrap, to allow users to upload images and view the results. DEMO LINK: https://edge-detection-u7f3.onrender.com https://edge-detection-u7f3.onrender.com Prerequisites Python 3.x installed on your machine. Basic knowledge of Python programming. Familiarity with HTML and CSS is helpful but not required. Python 3.x installed on your machine. Basic knowledge of Python programming. Familiarity with HTML and CSS is helpful but not required. Setting Up the Environment 1. Install Required Libraries Open your terminal or command prompt and run: pip install opencv-python numpy Flask pip install opencv-python numpy Flask 2. Create the Project Directory mkdir edge_detection_app
cd edge_detection_app mkdir edge_detection_app
cd edge_detection_app Implementing Edge Detection 1. The Sobel Operator The Sobel operator calculates the gradient of image intensity, emphasizing edges. Code Implementation: Code Implementation: import cv2

# Load the image in grayscale
image = cv2.imread('input_image.jpg', cv2.IMREAD_GRAYSCALE)
if image is None:
    print("Error loading image")
    exit()

# Apply Sobel operator
sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)  # Horizontal edges
sobely = cv2.Sobel(image, cv2.CV_64F, 0, 1, ksize=5)  # Vertical edges import cv2

# Load the image in grayscale
image = cv2.imread('input_image.jpg', cv2.IMREAD_GRAYSCALE)
if image is None:
    print("Error loading image")
    exit()

# Apply Sobel operator
sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)  # Horizontal edges
sobely = cv2.Sobel(image, cv2.CV_64F, 0, 1, ksize=5)  # Vertical edges 2. The Canny Edge Detector The Canny edge detector is a multi-stage algorithm for detecting edges. Code Implementation: Code Implementation: # Apply Canny edge detector
edges = cv2.Canny(image, threshold1=100, threshold2=200) # Apply Canny edge detector
edges = cv2.Canny(image, threshold1=100, threshold2=200) Creating a Flask Web Application 1. Set Up the Flask App Create a file named app.py : app.py from flask import Flask, request, render_template, redirect, url_for
import cv2
import os

app = Flask(__name__)

UPLOAD_FOLDER = 'static/uploads/'
OUTPUT_FOLDER = 'static/outputs/'

app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['OUTPUT_FOLDER'] = OUTPUT_FOLDER

# Create directories if they don't exist
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
os.makedirs(OUTPUT_FOLDER, exist_ok=True) from flask import Flask, request, render_template, redirect, url_for
import cv2
import os

app = Flask(__name__)

UPLOAD_FOLDER = 'static/uploads/'
OUTPUT_FOLDER = 'static/outputs/'

app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['OUTPUT_FOLDER'] = OUTPUT_FOLDER

# Create directories if they don't exist
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
os.makedirs(OUTPUT_FOLDER, exist_ok=True) 2. Define Routes Upload Route: Upload Route: @app.route('/', methods=['GET', 'POST'])
def upload_image():
    if request.method == 'POST':
        file = request.files.get('file')
        if not file or file.filename == '':
            return 'No file selected', 400
        filepath = os.path.join(app.config['UPLOAD_FOLDER'], file.filename)
        file.save(filepath)
        process_image(file.filename)
        return redirect(url_for('display_result', filename=file.filename))
    return render_template('upload.html') @app.route('/', methods=['GET', 'POST'])
def upload_image():
    if request.method == 'POST':
        file = request.files.get('file')
        if not file or file.filename == '':
            return 'No file selected', 400
        filepath = os.path.join(app.config['UPLOAD_FOLDER'], file.filename)
        file.save(filepath)
        process_image(file.filename)
        return redirect(url_for('display_result', filename=file.filename))
    return render_template('upload.html') Process Image Function: def process_image(filename):
    image_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
    image = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)

    # Apply edge detection
    sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)
    edges = cv2.Canny(image, 100, 200)

    # Save outputs
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'sobelx_' + filename), sobelx)
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'edges_' + filename), edges) def process_image(filename):
    image_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
    image = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)

    # Apply edge detection
    sobelx = cv2.Sobel(image, cv2.CV_64F, 1, 0, ksize=5)
    edges = cv2.Canny(image, 100, 200)

    # Save outputs
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'sobelx_' + filename), sobelx)
    cv2.imwrite(os.path.join(app.config['OUTPUT_FOLDER'], 'edges_' + filename), edges) Result Route: @app.route('/result/<filename>')
def display_result(filename):
    return render_template('result.html',
                           original_image='uploads/' + filename,
                           sobelx_image='outputs/sobelx_' + filename,
                           edges_image='outputs/edges_' + filename) @app.route('/result/<filename>')
def display_result(filename):
    return render_template('result.html',
                           original_image='uploads/' + filename,
                           sobelx_image='outputs/sobelx_' + filename,
                           edges_image='outputs/edges_' + filename) 3. Run the App if __name__ == '__main__':
    app.run(debug=True) if __name__ == '__main__':
    app.run(debug=True) Styling the Web Application with Bootstrap Include Bootstrap CDN in your HTML templates for styling. 1. upload.html upload.html Create a templates directory and add upload.html : templates upload.html <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection App</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-4">Upload an Image for Edge Detection</h1>
        <div class="row justify-content-center">
            <div class="col-md-6">
                <form method="post" enctype="multipart/form-data" class="border p-4">
                    <div class="form-group">
                        <label for="file">Choose an image:</label>
                        <input type="file" name="file" accept="image/*" required class="form-control-file" id="file">
                    </div>
                    <button type="submit" class="btn btn-primary btn-block">Upload and Process</button>
                </form>
            </div>
        </div>
    </div>
</body>
</html> <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection App</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-4">Upload an Image for Edge Detection</h1>
        <div class="row justify-content-center">
            <div class="col-md-6">
                <form method="post" enctype="multipart/form-data" class="border p-4">
                    <div class="form-group">
                        <label for="file">Choose an image:</label>
                        <input type="file" name="file" accept="image/*" required class="form-control-file" id="file">
                    </div>
                    <button type="submit" class="btn btn-primary btn-block">Upload and Process</button>
                </form>
            </div>
        </div>
    </div>
</body>
</html> 2. result.html result.html Create result.html in the templates directory: result.html templates <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection Results</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-5">Edge Detection Results</h1>
        <div class="row">
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Original Image</h4>
                <img src="{{ url_for('static', filename=original_image) }}" alt="Original Image" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Sobel X</h4>
                <img src="{{ url_for('static', filename=sobelx_image) }}" alt="Sobel X" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Canny Edges</h4>
                <img src="{{ url_for('static', filename=edges_image) }}" alt="Canny Edges" class="img-fluid rounded mx-auto d-block">
            </div>
        </div>
        <div class="text-center mt-4">
            <a href="{{ url_for('upload_image') }}" class="btn btn-secondary">Process Another Image</a>
        </div>
    </div>
</body>
</html> <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edge Detection Results</title>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container mt-5">
        <h1 class="text-center mb-5">Edge Detection Results</h1>
        <div class="row">
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Original Image</h4>
                <img src="{{ url_for('static', filename=original_image) }}" alt="Original Image" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Sobel X</h4>
                <img src="{{ url_for('static', filename=sobelx_image) }}" alt="Sobel X" class="img-fluid rounded mx-auto d-block">
            </div>
            <div class="col-md-6 mb-4">
                <h4 class="text-center">Canny Edges</h4>
                <img src="{{ url_for('static', filename=edges_image) }}" alt="Canny Edges" class="img-fluid rounded mx-auto d-block">
            </div>
        </div>
        <div class="text-center mt-4">
            <a href="{{ url_for('upload_image') }}" class="btn btn-secondary">Process Another Image</a>
        </div>
    </div>
</body>
</html> Running and Testing the Application 1. Run the Flask App python app.py python app.py 2. Access the Application Open your web browser and navigate to http://localhost:5000 . http://localhost:5000 Upload an image and click Upload and Process. View the edge detection results. Upload an image and click Upload and Process . Upload and Process View the edge detection results. SAMPLE RESULT Conclusion We've built a simple web application that performs edge detection using the Sobel operator and the Canny edge detector. By integrating Python, OpenCV, Flask, and Bootstrap, we've created an interactive tool that allows users to upload images and view edge detection results. Next Steps Enhance the Application: Add more edge detection options or allow parameter adjustments. Improve the UI: Incorporate more Bootstrap components for a better user experience. Explore Further: Deploy the app on other platforms like Heroku or AWS. Enhance the Application : Add more edge detection options or allow parameter adjustments. Enhance the Application Improve the UI : Incorporate more Bootstrap components for a better user experience. Improve the UI Explore Further : Deploy the app on other platforms like Heroku or AWS. Explore Further Resources GitHub Repository: Edge Detection App GitHub Repository : Edge Detection App GitHub Repository Edge Detection App

Implementing Edge Detection with Python and OpenCV: A Step-by-Step Guide

Your web scraper got blocked again? Ugh, what now? You nailed those HTTP headers and made it look just like a browser, but the site still figured out your requests were automated. How’s that even possible? Simple: it’s your TLS fingerprint! 😲 Dive into the sneaky world of TLS fingerprinting, uncover why it’s the silent killer behind most blocks, and learn you how to get around it. Anti-Bot Blocked You Again? Time to Learn Why! Let’s assume you’re dealing with a typical scraping scenario. You're making an automated request using an HTTP client—like Requests in Python or Axios in JavaScript—to fetch the HTML of a web page to scrape some data from it. As you probably already know, most websites have bot protection technologies in place. Curious about the best anti-scraping tech? Check our guide on the best anti-scraping solutions! 🔐 These tools monitor incoming requests, filtering out the suspicious ones. If your request looks like it’s coming from a regular human, you're good to go. Otherwise? It’s going to get stonewalled! 🧱 Browser Requests vs Bot Requests Now, what does a request from a regular user look like? Easy! Just fire your browser's DevTools, head to the Network tab, and see for yourself: If you copy that request to cURL by selecting the option from the right-click menu, you'll get something like this: curl 'https://kick.com/emotes/ninja' \
  -H 'accept: application/json' \
  -H 'accept-language: en-US,en;q=0.9' \
  -H 'cache-control: max-age=0' \
  -H 'cluster: v1' \
  -H 'priority: u=1, i' \
  -H 'referer: https://kick.com/ninja' \
  -H 'sec-ch-ua: "Google Chrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "Windows"' \
  -H 'sec-fetch-dest: empty' \
  -H 'sec-fetch-mode: cors' \
  -H 'sec-fetch-site: same-origin' \
  -H 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36' If this syntax looks like Chinese to you, no worries—check out our introduction to cURL. 📖 Basically, a “human” request is just a regular HTTP request with some extra headers (the -H flags). Anti-bot systems inspect those headers to figure out if a request is coming from a bot or a legit user in a browser. One of their biggest red flags? The User-Agent header! Explore our post on the best user agents for web scraping. That header is automatically set by HTTP clients but never quite matches the ones used by real browsers. Mismatch in those headers? It’s a dead giveaway for bots! 💀 For more information, dive into our guide on HTTP headers for web scraping. Setting HTTP Headers Isn’t Always the Solution Now, you might be thinking: “Easy fix, I’ll just perform automated requests with those headers!” But hold on a sec… 🚨 Go ahead and run that cURL request you copied from DevTools: Surprise! The server hit you back with a “403 Access Denied” page from Cloudflare. Yep, even with the browser-like headers, you can still get blocked! Cracking Cloudflare isn’t that easy, after all. 😅 But wait, how?! Isn’t that the exact same request a browser would make? 🤔 Well, not quite… The Key Lies in the OSI Model On the application level of the OSI Model, the browser and cURL requests are the same. Yet, there are all underlying layers you might be overlooking. 🫠 Some of these layers are often the culprits behind those pesky blocks, and information transferred there is exactly what advanced anti-scraping technologies focus on. Sly sneaky beasts! 👹 For instance, they look at your IP address, which is pulled from the Network layer. Want to dodge those IP bans? Follow our tutorial on how to avoid an IP ban with proxies! Unfortunately, that’s not all! 😩 Anti-bot systems also pay close attention to the TLS fingerprint from the secure communication channel established between your script and the target web server at the Transport Layer. That’s where things differ between a browser and an automated HTTP request! Cool, right? But now you must be wondering what that entails… 🔍 What’s a TLS Fingerprint? A TLS fingerprint is a unique identifier that anti-bot solutions create when your browser or HTTP client sets up a secure connection to a website. It’s like a digital signature your machine leaves behind during the TLS handshake—the initial “conversation” between a client and the web server to decide how they’ll encrypt and secure data at the Transport layer. 🤝 When you make an HTTP request to a site, the underlying TLS library in your browser or HTTP client kicks off the handshake procedure. The two parties, the client and the server, start asking each other things like, “What encryption protocols do you support?” and “Which ciphers should we use?” ❓ Based on your answers, the server can tell if you’re a regular user in a browser or an automated script using an HTTP client. In other words, if your answers don’t match those of typical browsers, you might get blocked. Imagine this handshake like two people meeting: Human version: Server: "What language do you speak?"


Browser: "English, French, Chinese, and Spanish"


Server: "Great, let’s chat" Bot version: Server: "What language do you speak?"


Bot: “Meow! 🐈”


Server: “Sorry, but you don’t seem like a human being. Blocked!" TLS fingerprinting operates below the Application layer of the OSI model. That means you can’t just tweak your TLS fingerprint with a few lines of code. 🚫 💻 🚫 To spoof TLS fingerprints, you need to swap your HTTP client’s TLS configurations with those of a real browser. The catch? Not all HTTP clients let you do this! That’s where tools like cURL Impersonate come into play. This special build of cURL is designed to mimic a browser’s TLS settings, helping you simulate a browser from the command line! Why a Headless Browser May Not Be a Solution Either Now, you might be thinking: “Well, if HTTP clients give off ‘bot-like’ TLS fingerprints, why not just use a browser for scraping?” The idea is to use a browser automation tool to run specific tasks on a webpage with a headless browser. Whether the browser runs in headed or headless mode, it still uses the same underlying TLS libraries. That’s good news because it means headless browsers generate a "human-like" TLS fingerprint! 🎉 That’s the solution, right? Not really… 🫤 Here’s the kicker: headless browsers come with other configurations that scream, “I’m a bot!” 🤖 Sure, you could try hiding that with a stealth plugin in Puppeteer Extra, but advanced anti-bot systems can still sniff out headless browsers through JavaScript challenges and browser fingerprinting. So, yeah, headless browsers aren’t your foolproof escape either to anti-bots. 😬 How to Really Bypass TLS Fingerprinting TLS fingerprint checking is just one of many advanced bot protection tactics that sophisticated anti-scraping solutions implement. 🛡️ To truly leave behind the headaches of TLS fingerprinting and other annoying blocks, you need a next-level scraping solution that provides: Reliable TLS fingerprints


Unlimited scalability


CAPTCHA-solving superpowers


Built-in IP rotation via a 72-million IP proxy network


Automatic retries


JavaScript rendering capabilities Those are some of the many features offered by Bright Data's Scraping Browser API—an all-in-one cloud browser solution to scrape the Web efficiently and effectively. This product integrates seamlessly with your favorite browser automation tools, including Playwright, Selenium, and Puppeteer. ✨ Just set up the automation logic, run your script, and let the Scraping Browser API handle the dirty work. Forget about blocks and get back to what matters—scraping at full speed! ⚡️ https://www.youtube.com/watch?v=21Xyi1HMTng&embedable=true Don’t need to interact with the page? Try Bright Data’s Web Unlocker! Final Thoughts Now you finally know why working at the application level isn’t enough to avoid all blocks. The TLS library your HTTP client uses plays a big part, too. TLS fingerprinting? No longer a mystery—you’ve cracked it and know how to tackle it. Looking for a way to scrape without hitting blocks? Look no further than Bright Data's suite of tools! Join the mission to make the Internet accessible to all—even via automated HTTP requests. 🌐 Until next time, keep surfing the Web with freedom! Your web scraper got blocked again? Ugh, what now? You nailed those HTTP headers and made it look just like a browser, but the site still figured out your requests were automated. How’s that even possible? Simple: it’s your TLS fingerprint! 😲 Dive into the sneaky world of TLS fingerprinting, uncover why it’s the silent killer behind most blocks, and learn you how to get around it. Anti-Bot Blocked You Again? Time to Learn Why! Let’s assume you’re dealing with a typical scraping scenario. You're making an automated request using an HTTP client—like Requests in Python or Axios in JavaScript—to fetch the HTML of a web page to scrape some data from it. Requests Axios As you probably already know, most websites have bot protection technologies in place. Curious about the best anti-scraping tech? Check our guide on the best anti-scraping solutions! 🔐 bot protection technologies These tools monitor incoming requests, filtering out the suspicious ones. If your request looks like it’s coming from a regular human, you're good to go. Otherwise? It’s going to get stonewalled! 🧱 Browser Requests vs Bot Requests Now, what does a request from a regular user look like? Easy! Just fire your browser's DevTools, head to the Network tab, and see for yourself: If you copy that request to cURL by selecting the option from the right-click menu, you'll get something like this: curl 'https://kick.com/emotes/ninja' \
  -H 'accept: application/json' \
  -H 'accept-language: en-US,en;q=0.9' \
  -H 'cache-control: max-age=0' \
  -H 'cluster: v1' \
  -H 'priority: u=1, i' \
  -H 'referer: https://kick.com/ninja' \
  -H 'sec-ch-ua: "Google Chrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "Windows"' \
  -H 'sec-fetch-dest: empty' \
  -H 'sec-fetch-mode: cors' \
  -H 'sec-fetch-site: same-origin' \
  -H 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36' curl 'https://kick.com/emotes/ninja' \
  -H 'accept: application/json' \
  -H 'accept-language: en-US,en;q=0.9' \
  -H 'cache-control: max-age=0' \
  -H 'cluster: v1' \
  -H 'priority: u=1, i' \
  -H 'referer: https://kick.com/ninja' \
  -H 'sec-ch-ua: "Google Chrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "Windows"' \
  -H 'sec-fetch-dest: empty' \
  -H 'sec-fetch-mode: cors' \
  -H 'sec-fetch-site: same-origin' \
  -H 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36' If this syntax looks like Chinese to you, no worries—check out our introduction to cURL . 📖 introduction to cURL Basically, a “human” request is just a regular HTTP request with some extra headers (the -H flags). Anti-bot systems inspect those headers to figure out if a request is coming from a bot or a legit user in a browser. -H One of their biggest red flags? The User-Agent header! Explore our post on the best user agents for web scraping . That header is automatically set by HTTP clients but never quite matches the ones used by real browsers. User-Agent best user agents for web scraping Mismatch in those headers? It’s a dead giveaway for bots! 💀 For more information, dive into our guide on HTTP headers for web scraping . HTTP headers for web scraping Setting HTTP Headers Isn’t Always the Solution Now, you might be thinking: “Easy fix, I’ll just perform automated requests with those headers!” But hold on a sec… 🚨 Go ahead and run that cURL request you copied from DevTools: Surprise! The server hit you back with a “403 Access Denied” page from Cloudflare. Yep, even with the browser-like headers, you can still get blocked! Cracking Cloudflare isn’t that easy, after all. 😅 Cracking Cloudflare But wait, how?! Isn’t that the exact same request a browser would make? 🤔 Well, not quite… The Key Lies in the OSI Model On the application level of the OSI Model, the browser and cURL requests are the same. Yet, there are all underlying layers you might be overlooking. 🫠 Some of these layers are often the culprits behind those pesky blocks, and information transferred there is exactly what advanced anti-scraping technologies focus on. Sly sneaky beasts! 👹 For instance, they look at your IP address , which is pulled from the Network layer. Want to dodge those IP bans? Follow our tutorial on how to avoid an IP ban with proxies ! IP address how to avoid an IP ban with proxies Unfortunately, that’s not all! 😩 Anti-bot systems also pay close attention to the TLS fingerprint from the secure communication channel established between your script and the target web server at the Transport Layer. TLS That’s where things differ between a browser and an automated HTTP request! Cool, right? But now you must be wondering what that entails… 🔍 What’s a TLS Fingerprint? A TLS fingerprint is a unique identifier that anti-bot solutions create when your browser or HTTP client sets up a secure connection to a website. TLS fingerprint It’s like a digital signature your machine leaves behind during the TLS handshake —the initial “conversation” between a client and the web server to decide how they’ll encrypt and secure data at the Transport layer. 🤝 TLS handshake When you make an HTTP request to a site, the underlying TLS library in your browser or HTTP client kicks off the handshake procedure. The two parties, the client and the server, start asking each other things like, “What encryption protocols do you support?” and “Which ciphers should we use?” ❓ Based on your answers, the server can tell if you’re a regular user in a browser or an automated script using an HTTP client. In other words, if your answers don’t match those of typical browsers, you might get blocked. Imagine this handshake like two people meeting: Human version : Human version Server: "What language do you speak?" Browser: "English, French, Chinese, and Spanish" Server: "Great, let’s chat" Server: "What language do you speak?" Server: "What language do you speak?" Browser: "English, French, Chinese, and Spanish" Browser: "English, French, Chinese, and Spanish" Server: "Great, let’s chat" Server: "Great, let’s chat" Bot version : Bot version Server: "What language do you speak?" Bot: “Meow! 🐈” Server: “Sorry, but you don’t seem like a human being. Blocked!" Server: "What language do you speak?" Server: "What language do you speak?" Bot: “Meow! 🐈” Bot: “Meow! 🐈” Server: “Sorry, but you don’t seem like a human being. Blocked!" Server: “Sorry, but you don’t seem like a human being. Blocked!" TLS fingerprinting operates below the Application layer of the OSI model. That means you can’t just tweak your TLS fingerprint with a few lines of code. 🚫 💻 🚫 To spoof TLS fingerprints, you need to swap your HTTP client’s TLS configurations with those of a real browser. The catch? Not all HTTP clients let you do this! That’s where tools like cURL Impersonate come into play. This special build of cURL is designed to mimic a browser’s TLS settings, helping you simulate a browser from the command line! cURL Impersonate Why a Headless Browser May Not Be a Solution Either Now, you might be thinking: “Well, if HTTP clients give off ‘bot-like’ TLS fingerprints, why not just use a browser for scraping?” The idea is to use a browser automation tool to run specific tasks on a webpage with a headless browser. browser automation Whether the browser runs in headed or headless mode, it still uses the same underlying TLS libraries. That’s good news because it means headless browsers generate a "human-like" TLS fingerprint! 🎉 That’s the solution, right? Not really… 🫤 Here’s the kicker: headless browsers come with other configurations that scream, “I’m a bot!” 🤖 Sure, you could try hiding that with a stealth plugin in Puppeteer Extra , but advanced anti-bot systems can still sniff out headless browsers through JavaScript challenges and browser fingerprinting. stealth plugin in Puppeteer Extra So, yeah, headless browsers aren’t your foolproof escape either to anti-bots. 😬 How to Really Bypass TLS Fingerprinting TLS fingerprint checking is just one of many advanced bot protection tactics that sophisticated anti-scraping solutions implement. 🛡️ To truly leave behind the headaches of TLS fingerprinting and other annoying blocks, you need a next-level scraping solution that provides: Reliable TLS fingerprints Unlimited scalability CAPTCHA-solving superpowers Built-in IP rotation via a 72-million IP proxy network Automatic retries JavaScript rendering capabilities Reliable TLS fingerprints Reliable TLS fingerprints Unlimited scalability Unlimited scalability CAPTCHA-solving superpowers CAPTCHA-solving superpowers Built-in IP rotation via a 72-million IP proxy network Built-in IP rotation via a 72-million IP proxy network Automatic retries Automatic retries JavaScript rendering capabilities JavaScript rendering capabilities Those are some of the many features offered by Bright Data's Scraping Browser API —an all-in-one cloud browser solution to scrape the Web efficiently and effectively. Scraping Browser API This product integrates seamlessly with your favorite browser automation tools, including Playwright, Selenium, and Puppeteer. ✨ Just set up the automation logic, run your script, and let the Scraping Browser API handle the dirty work. Forget about blocks and get back to what matters—scraping at full speed! ⚡️ https://www.youtube.com/watch?v=21Xyi1HMTng&embedable=true https://www.youtube.com/watch?v=21Xyi1HMTng&embedable=true Don’t need to interact with the page? Try Bright Data’s Web Unlocker ! Web Unlocker Final Thoughts Now you finally know why working at the application level isn’t enough to avoid all blocks. The TLS library your HTTP client uses plays a big part, too. TLS fingerprinting? No longer a mystery—you’ve cracked it and know how to tackle it. Looking for a way to scrape without hitting blocks? Look no further than Bright Data 's suite of tools! Join the mission to make the Internet accessible to all—even via automated HTTP requests. 🌐 Bright Data Until next time, keep surfing the Web with freedom!

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