RocketAI is the eCommerce Copilot empowering solopreneurs and small teams with creative super power!

Rocket AI

And It’s Not Hard To See Why Startups lie. They lie a lot. In the past few weeks I’ve read articles discussing , , and the ongoing insanity that is . The only thing these companies have in common is that they have lied to the public and/or investors. In the case of Theranos and Magic Leap, they took billions of dollars without a real product. In the case of Rocket AI, the creators faked a launch to prove a point — lying works in Silicon Valley. Rocket AI Magic Leap Theranos Before you launch your company, there is no data about success or failure. And if you’ve created something new and monumental, there’s also no data about the true value of the company. If valuing the total opportunity is difficult because the company is so unique, and there’s no data about your likelihood to succeed, all you have is a story. It’s a tale to tell would-be investors, friends, and potential clients about your world changing product that they need in their lives. The lies in startups tend to start from this core concept — a couple of excited founders have a big idea, and they sell the hell out of that vision, often convincing people to give them millions of dollars without ever proving that they can accomplish what they claim. It’s much easier to sell the huge potential upside of your company when said company is tackling something HUUUGE (said in Trump voice). Theranos wanted to revolutionize the billions of dollars in medical spending dedicated to extracting and analyzing blood samples. Magic Leap promised we would put on a pair of glasses and be transported into an alternate reality where beautiful creations and experiences were painted on top of our own world. Both of these narratives are aspirational and exciting. Hell — I WANT those products to exist. I WANT to invest in those companies. But here’s the rub — neither company could pull it off. For the sake of this article, I don’t care whether they were malicious in the lies. In fact, I think it’s more interesting if they weren’t. After all, that’s the energy of all founders — to believe they can achieve something that others deem impossible. startup If we assume they didn’t purposefully lie, let’s dig in. You tell investors a story about what you can do. They give you a bunch of money. But these investors need to see progress in order to give you any more money, so you develop partially functioning products. You take your whole team and dedicate them to lifting up the narrative that has been spun, instead of focusing on what you could actually build. You spend millions of dollars trying to remember every lie you ever told and attempting to get closer to the reality you lied about. You start to run out of money and you need more cash, you spend what little money you have left to spin up an even more incredible story, or partially functioning product that could never go to market, and you take that on another dog and pony show for investors. They give you more money and now you’re 2.5 years and $55 million dollars down a path that could never lead to a successful business. I remember hearing a description of the lies told during the . It was said that there weren’t any huge lies told outright, but rather many people telling a bunch of small lies. There were many employees being complicit about hidden accounting changes, and everyone looked the other way as others bent the truth. Each lie lifted up the company, made the employees stock worth more, and guaranteed that the individuals at Enron kept their jobs. But the problem is that lies stack. If you add a lie to another lie, slowly you create a huge monstrosity of untruth. In the case of Theranos that meant a non-functional blood testing apparatus that was actually deployed for real world use. That actually led to incorrect diagnoses, and though it didn’t — could have killed someone. Enron debacle If a startup has a huge idea, that startup often needs lots of capital to turn the idea into a reality. The founders of these startups are incentivized to claim that they’re creating the next big thing, because if they aren’t — why would anyone give them millions of dollars? This incentive is even larger when the company the founders want to create is so massively complex and arguably world changing that no one on earth knows how to make it a reality. You have to spin a yarn that you’re the one that was specifically built to create this reality that has never existed before. The tricky thing is that the best storytellers aren’t often the best product creators. And as long as storytellers can get venture capital, they’re going to tell REALLY elaborate tales to get the money they need to go after the vision they may not be able to pull off. But let’s consider the venture capitalist’s side of this story. They are also incentivized — incentivized to believe the big vision. The reason for this is economics. Venture funds with hundreds of millions or even billions of dollars under management have a financial duty to return that money to the LPs that put it into their fund. For a fund of that size to be deemed successful, you have to have completely outlandish exits for at least one company within your portfolio. You need a , or a Google, or half a dozen YouTubes to be seen as a success. All of these companies looked unlikely if not impossible at the outset. So if the only way investors see sizable returns is to bet on things that seem impossible, you’ve created a market where founders are incentivized to tell stories that seem impossible and make promises that are so outsized to their current station in life, it’s going to be incredibly hard to tell whether they’re true or not. Facebook Founders are incentivized to lie about their abilities, and investors are incentivized to believe them… Ending this article feels weird. I argued the reasons behind lying, but didn’t come up with any solutions. I’m not sure there are any. I think the reality is that given that both sides of the market have economic reasons to participate in a lying culture, I’m not positive we’ll ever see any of this change. The investors can search for signals that mean a founder isn’t lying, or a product is more likely to succeed — but they’ve been doing that forever. It seems impossible to pinpoint every lie in startup culture not only because it’s omnipresent, but because sometimes the truly incredible companies actually look the most like lies. And, no one wants to miss out on the next Facebook, they’ll just hope they miss out on the next Theranos. As always you can reach me at ryan@zeroslant.com _______________ Ryan Sheffer is Founder/CEO of Zero Slant, an AI-based automated creative agency. He is on a quest to figure out how to humanize bots without the noise of bias.

Startups Lie.

Having fun while developing is necessary for programmers and developers. No matter how much serious or tough the situation is, one should always take things lightly when it comes to software development. I am writing this post just to let everyone know that how much of fun one can have while coding and working as a software engineer. Some of the jokes in this post have been inspired by my real life incidents and some of them are just copied from memes. Trust me! These Dev Jokes are funny and full of sarcasm and there is at least one joke for almost everyone who codes (even for those who have a coder friend). I have divided these jokes in 4 categories. I hope you all can relate with it. So without wasting time let’s get started: 1. Problems and Challenges Trust Me! we all face challenges in programming. It is not an easy task. We all ask ourselves the same question again and again but we love it. Every time we fail, we learn something new. So, Instead of feeling stressed just embrace it and go with the flow ( i mean stack overflow ! ) You will meet a lot of developers and managers down the road. Most of them will have a different coding style, different mindset and a lot of them will force to push your boundaries and coding ability. You will be tempted by new ideas and new projects but the key is to keep calm and get the job done. Remember - Coding is not a job, its a lifestyle. 2. Knowledge and Humour Developing is simple and it is easier for people who understands it. It ain't rocket science, it is just based on few rules. Follow the rules and documentation and you will be the most successful coder you know. You know, some jokes are sarcastic while some are funny but the best thing about almost every dev joke is that it contains a lot and lot of humour in it. Think about it. Dev jokes are made out of real life incidents and sometimes, it can really be funny for you but annoying for someone who does not understands your profession. A lot of times you need a little content for your social media profiles. you know what i mean. right? Something that is available on the internet but is not known to many. Don't try this at home! 3. Sarcasm And Savage Ohh ! This is one of my favourites. I love these kind of jokes. We all know the pros and cons of being a developer but did you know that we make fun of other developers too. There is always a healthy competition between developers though. So Don't take it too seriously. just enjoy! Want to hear a Data Science joke. Data is the new unicorn. Data Science is electricity. Now, let me know home many data scientist can relate with it. If you are a competitive programmer and code in C++ and having a feeling of missing out ( FOMO ) then, this next joke is for you guys. cheers! 4. General Jokes This set of jokes can be applied to almost anyone who is a working professional. just make few changes here and there and have a great laugh. And finally, the last one. That's it for this post. Thank you for reading it. I hope you all have enjoyed my post. I am always making a dev jokes on twitter. So if you guys have a good one please tag me with it too ! link to my twitter: https://twitter.com/iamkaranjagota Happy new year and keep coding to all the programming geeks!

Top Dev Jokes Of 2019

Credits: Pixabay.com Your knowledge of JavaScript can be pretty well judged by your understanding of . The fact that people find it difficult to comprehend is, because of its use in multiple and varied scenarios. this Let's get them right once and for all. If I were to talk about in the literal sense, it simply means — this very thing in front of me. “This Jacket is Cool”, claimed my sister holding that jacket in her hand. I replied back saying, “No, this one’s better!” I was referring to the jacket near to me and she was referring to the one near her and hence the use of in respective statements. this this Value of this depends on1. The Execution Context2. Invocation Execution Context Execution Context is the environment in which the code runs. For example, the local variables of a function would be accessible in that function only and not outside of it. This is called as Functional Level Scoping or Local Execution Context. Variables declared in global scope (outside of any function) would be accessible in all the underlying functions. This is called the . Global Execution Context Let’s consider this example to understand the difference between the two of them - The value of in Global Execution Context by default is object. this window The value of in any Local Context depends on the way the function is called. this I. Calling a function in the global context would have its value as this **window** II. Calling a function that runs JavaScript statements in strict mode would have as this undefined III. Calling a function that is inside an object Function is one of the properties on object . When we call with reference to as , it gets called in the context of . Properties & have definite value in the context of so that result of is defined. add obj add obj obj.add() obj a b obj , obj.add() The variable stores the reference of function. If we execute this function at a later stage, it will run in the context from where it is called. In our example, we’re calling in the global context, so it will have a global object as reference. Since and are not defined in the global context, we’re getting the value of as . cacheAdd add cacheAdd this a b a+b NaN To prove this point, let's define and in the global context. a b evaluates to 3 as the value of and defined in obj is 1 & 2 respectively. When we run after caching it in a variable and then executing it in the global context, it evaluates to 7 as the value of a & b in the global context is 3 & 4 respectively. So, a function that uses may give a different result depending on the context in which it is executed. obj.add() a b add this Let's try another interesting example — In this case, add function returns another function and the value of is executed in this inner function. will return a function that has one statement. So, we’ve to execute this returned function in order to get the sum of a & b. But this returned function (returned on executing ) will run in the global context and hence the value of a+b evaluates to 7 (Value of a & b in the global context is 3 & 4 respectively). a+b obj.add() console _obj.add()_ Here, add function prints the value of a & b after a timeout of 500ms. runs in the global context. setTimeout Why setTimeout runs in the global context? (I’ll explain about it in detail in my next post.) takes the reference of the immediate object calling the function this Here, has as one of the properties and add function is defined on . When we call add as , add function takes the reference of and variables a & b are not accessible from the local context of . Hence the value of a & b is . parentObj childObj childObj parentObj.childObj.add() this childObj childObj undefined Linking to the prototype chain If we instantiate to create , its properties would be accessible in the context. parentObj childObj childObj Using Object.create When add function gets called in the context of , it first tries to look for values of a, b & c in the context of and if any of these values is , it looks up to its parent context, which in this case is . childObj childObj undefined parentObj Using operator new In this case, properties of parent are available in the context of the child. As we can see in the trailing console statement, the constructor of the child is defined as Parent. So, it first checks for values in the context it is called and then look up to its prototype chain. This ain’t Rocket Science! By default, the code runs in a global context i.e. it has access to the variables defined in the context of the object. In each of the above cases, we’re just restricting the context to object. All the operations related to this would be carried out in the exact same way as they would have if the context was . Even with global context, if any of the values is not defined, it looks up to the prototype chain. window obj window As we can see, function is defined in property of , which means it is defined on the prototype of (Because is created by applying the operator to ). As is not defined in the context of , it looks up to its prototype chain. toString ___proto___ _obj_ Object obj new Object toString obj Let’s solve an interesting issue here — My sister stubbornly refuses to share the candy with me and to support her claim, she says, she is the owner of this candy. This is her Candy — So, somehow I’ve to modify reference that her function is using. The little toddler doesn’t know that JavaScript is an unconventional language. You can always mend it the way you want. this whosCandyIsThis Call, Apply & Bind — Here I go! With these 3 beautiful functions, you can modify the value of reference. In the above example, modifies reference of function to . this candy.whosCandyIsThis.call(myCandy) this whosCandyIsThis myCandy explicitly pass reference to a function. In this case, it tells function to use as . What is call all about? call this whosCandyisThis this myCandy The first argument of call is reference and if we have to pass in any additional parameters, you can do something like this this candy.whosCandyisThis.call(myCandy, true)` Let’s consider one more example: Here, we’re passing reference explicitly to the function defined in the hotel object to display the menu accordingly. (Isn’t this cool?) this displayMenu But what if I want to display the menu based on the user’s location. For that, we’ll pass an additional parameter to the function. Let’s modify the above code to fit in our requirements. location displayMenu The first parameter of is reference and then you can pass in any number of arguments that you want. The function now very well shows the list of menu items as per the parameter. (Sounds good?) call this displayMenu location operates in the same way as of , the only difference being the way in which we pass arguments. Apply takes in the first parameter as reference same as that of call but other parameters are to be passed as an array. apply call this Another function that can modify reference is . Unlike and that returns the result of the function, returns a function. And this returned function can then be called at any later stage. It will run in the context of the explicitly passed bounded argument. this bind call apply bind returns a function that has reference of . When we run , it runs in the context of and hence prints Espresso for location A. _hotel.displayMenu.bind(ccd)_ this ccd boundFunction ccd I was trying to experiment with my instincts. If I bind an already bounded function to some other reference, would that function run in the context of the later binding? If this is true, I can do this endlessly and keep changing this reference with all the power I have! This is not true. You can only bind a function once. In the above example, I’ve tried to bind the bounded function again with but when I execute this function, it prints the previous result which means its reference still points to the first binding ( ). pizzaCentre ccd Well again, JavaScript is an unconventional language. If there’s freedom to modify anything as you wish, there are guards who protect the integrity. One such masterpiece is our cute Arrow Function. This is how it works. Plain & Easy. Why are we even talking about arrow functions in this article? What’s so special about them? In the arrow function, the value of is that of its enclosing lexical context It does not change with the , or this Lexical Context is block level scoping. call apply bind . Arrow functions maintain the binding of this of its enclosing lexical context. Crape! This Fat Arrow took away my candy. As you can see, is defined as an arrow function. So it will maintain the binding of its . On instantiating Candy, sets the owner and flavor for her candy. function gets bounded to reference. whosCandyIsThis Lexical Context niks whosCandyIsThis niks So, When I try to call it explicitly by passing reference using call, apply or bind, it doesn’t work. The bindings of function cannot be changed, whatsoever! this niks.whosCandyIsThis You might like my previous articles on Service Workers — — Service Workers Fundamentals https://hackernoon.com/service-workers-62a7b14aa63a — Building Pokemon App to evaluate the power of Berries & Service Worker https://hackernoon.com/building-pokemon-app-to-evaluate-the-power-of-berries-service-worker-176d7c4e70e3

Let’s get this `this` once and for all

Weird One Character Domain Superstore aka … A web app for weird unicode single character domain names… A weekend project that got out of control… WeirdOneCharacterDomainSuperstore.com ツ.ws I built a . It was a lot more work than expected and totally ridiculous, but it’s done. Enjoy! TLDR; Weird One Character Domain Superstore What is it? is exactly what you’d expect: a place where you can go to shop for weird single character domains. While the x.coms of the world might belong to Elon Musk and his ilk, you don’t need to have your own electric car company to own your own single character domain. WeirdOneCharacterDomainSuperstore.com You just need to make some choices. Bad choices. choices. 𐋐.army In this article, I’ll try and describe the process by which I came to create and some of the technical challenges. It ain’t rocket science, but there’s more to it than you think. WeirdOneCharacterDomainSuperstore.com I’m a guy who loves a stupid hackathon. I’m, like, a professional web developer on a big project during the day, but at night, I like to work on things that make me laugh. A weird unicode domain superstore. Why not? I love it when talented people devote way too much energy to something dubious. A bad idea, fully executed. Or at, least, minimally executed. Weird One Character Domain Superstore MVP Why didn’t a market like that exist already? These are things you need to build a minimum viable weird one character domain superstore: A good domain name A sense of what characters are valid and visible in your reference browser, Chrome for Mac OS Metadata about every character: language / category / name / etc… A way to check domain availability A database of available domains A webapp to sort and display domain listings and data. You have to show visitors the domains that are available, they won’t just guess. A way to make money No particular step is hard, but there’s enough to it there that no reasonable person would spend on something so stupid unless they’re already done a lot of the hard work on some other half-baked project. Who Would Do Such a Thing? I’m Jon Roig, the guy who brought you . We were just on Vice News… how cool is that? emoji domains Emoji Domains on Vice News I didn’t invent emoji domains… I just helped to make them popular by providing the first really easy way to register them at . It’s been a big hit and we’re trying to find ways to push it into the mainstream in 2018. i❤️.ws Anyway, while I hunt around for new emoji domain partners — hit me up if you’re a ccTLD interested in chatting about selling emoji domains — I’ve got a couple of other projects brewing. My day job is working as a Developer in the Productivity Apps group for GoDaddy, but my weird side hustle is the Domain Research Group. Our main project right now is , but I’ve been been looking for ways to extend my expertise in… uhh… unusual domains. i❤️.ws There’s a Vibrant Community of People Who Buy and Sell Domains If you want to talk weird domains and find other the people who are organized and want to chat, the only game in town is the domain aftermarket… you know, where people buy and sell domains. There are, like, and stuff where people talk about domains. forums Of course, the presence of domainers in the market is somewhat controversial — developers tend to view them as squatters — but given that they’re literally invested in domain names, they can be both great partners and a wealth of knowledge. And man, there are some interesting characters in that bunch. When you’re trying to launch a new domain project like I was with emoji domains and , you want to make friends. i❤️.ws To that end, I built an a few months ago, retrieving data out of the Aftermarket system and doing various things to enhance / reveal the current availability of emoji domains, some of which are quite valuable, especially if you know what to look for, where to buy and where to sell. emoji domain marketplace GoDaddy I’m not sure how much actual money the Emoji Domain Marketplace has made, but it’s a useful for the community, low maintenance and it’s interesting to see all the different domains people have registered and are now trying to sell. tool The Genesis for a Really Bad Idea Let’s talk a little about how one gets the content for an emoji domain marketplace and you’ll start to see how this descended into madness… You grab a list of domains on auction, a set of large CSV files, from GoDaddy To speed processing time, you ignore as much of that data as you can in some easy, programatic way. In our case, since we’re only looking at IDN domains, you can ignore everything that doesn’t begin: xn- You go through the remaining data, picking out the items you’re interested in. In this case, emoji domains… and there are thousands. Items you’re not including in the marketplace, you send those to the console to make sure you’re not ignoring something you should include. Anyway, I’m looking at this output of domains people are trying to sell and I go, “Whoa. People really registered some pretty weird shit.” Some weird unicode domains rejected by my emoji filters… a lot of them are essentially phishing sites Home for the Holidays A lot of interesting projects are born during the holidays, when Developers are away from the office and the pace of commerce slows for a few weeks. Linux came about that way, according to legend. I assume that WeirdOneCharacterDomainSuperstore.com will find its place somewhere among that pantheon of great projects. I was home, by my self… my family was back in Philly and I had a few days to build whatever I want. “Use the whole buffalo,” I said to myself. “I’ve got all the data already, I just need a new way top present it. I’ll just build a little marketplace for those weird unicode domains that I’ve been rejecting.” “If nothing else, there should probably be a market for the single character domains.” The Best Worst Domain Name is a given. Ironic in its length, it’s so uncool, it’s cool. I think. Right? There can be no doubt what site you’re visiting when you stumble on . WeirdOneCharacterDomainSuperstore.com WeirdOneCharacterDomainSuperstore.com I couldn’t really have a Weird One Character Superstore without an alternative single character domain. “Dogfooding” as they say. came a bit later, picked up as an expired domain on the GoDaddy Aftermarket. Traditionally — before the — there hasn’t been much competition for these domains, since they’re not easily viewed in the native GoDaddy interface. To even enter the market, you have to do the type of domain auction data processing I talked about earlier. Still though, there was a bit of competition for it. ツ.ws WeirdOneCharacterDomainSuperstore wasn’t my first choice. Originally, I’d planned on going with ❶.ws and bought that on the Aftermarket as well — I still think it’s pretty good — but people know the ツ character beyond it’s value as “HALFWIDTH KATAKANA LETTER TU.” It makes people smile. ツ.ws displays properly in unicode my target browser, Chrome for Mac. It doesn’t turn to punycode. Pretty sweet. ツ.ws Also: .ws stands for “Weird Superstore.” So there’s that. With both URLs active, I can use the longer one for social media sharing which doesn’t like Unicode — Facebook, for instance — while keeping for Twitter and the like, where the character count really matters. ツ.ws I pointed each domain to different IP addresses. I hope the spiders enjoy that shit. 🤑 Making Money doesn’t have any ads or take any money from anyone. WeirdOneCharacterDomainSuperstore Given that this is my weird side project, I always need to keep an eye on my priorities. I have a family and friends and hobbies. I can’t manage customer service and passwords and credit card payment gateways unless it’s really worth my time. is essentially an ad for domains purchased through GoDaddy. The whole interaction is facillitated through the , so I get a percentage of all the money spent by users clicking through the app. WeirdOneCharacterDomainSuperstore.com CJ Affiliate Program It’s a pretty good arrangement and works the same way. Theoretically, I could make more money managing my own registrar and handling everything myself, but the effort required is significantly higher. i❤️.ws No Managers, no Frameworks Ain’t nothing fancy about . It’s a pretty basic web app built on Node.js/Express with a SQLite backend db. WeirdOneCharacterDomainSuperstore.com All day at work I toil away in React and Ember and whatnot… and while there’s something to be said for these complicated frontend frameworks in a “serious” setting, I didn’t want to spend any more time than necessary with the webpacking and the linting. Lean and mean. is all about server side rendering through handlebars.js. The upshot of delivering fully rendered HTML pages with no extra bullshit is that you can be super SEO friendly. WeirdOneCharacterDomainSuperstore.com Feels so wrong… but it’s so right. A Distinguished Character Some of the characters supported by Weird One Character Domain Superstore You can’t just list any weird one character domain name on a site specializing in weird single character domain names: you have to determine whether there’s a reasonable chance it’ll display in the browser. This isn’t ‘Nam. There are rules. Lines in the sand have to be drawn. To begin with, you have to choose a browser to use as a reference and say, “If character’s don’t display properly in this browser, I won’t include them.” To get a sense of what’s generally valid on Mac Chrome, my reference browser, I visited the to figure out what displayed and what didn’t. It doesn’t make sense, though, to try and copy each set of characters and trim out the non-visible ones by hand. That would be a monumentally tedious task. Wikipedia list of Unicode Characters … which is to say, the type of things where computers excel. We just need to point our machines in the right direction. So… uhh… how do you do that? Gather Your Symbols It doesn’t make sense to just scan through all of Unicode, one code point at a time. For one thing, there are billions of potential hits. Second, you’re going to need to eventually categorize each character, put it into a proper subgroup. Luckily, there’s , an engineer at Google who’s done a lot of great Unicode work. His iconic library, , contains all the various characters one needs to get started. Thanks man! Mathias unicode-10.0.0 Yay! The code, which could certainly be a lot cleaner, looks something like this: Generate a list of all the Unicode 10.0.0 characters Cool. Now what? How can we figure out which characters the browser can actually display? Do you see what I see? After going down a few wrong avenues involving Google’s Noto font library and some weird data extraction techniques, I hit on a really simple solution — just render all the characters one at a time to canvas, convert the resulting image to png, and compare it against a list of known “bad” characters: blank, boxes, “tofu,” and the like. The downside is that you have to actually run this in the browser to get it to work. Also, it takes a few minutes. Not gonna make any claims of code quality here — it’s a one shot script — but here’s how I did it. Figure out which characters display in your browser With that done, we’ve got a clean, categorized list of all the visible characters in Mac Chrome for OS X 10.13.2. Sweet! I’ve thought about breaking that out into it’s own thing: a simple web app which helps automate the process of determining which characters work in which browsers and recording / publicly sharing the results, but I’m not sure anyone cares but me. We can archive all the character renderings! Make a gallery! Anyone? Bueller? Pardon Me, is that Domain Available? A little bit of js code… Another recycled bit of technology from : the domain checker. i❤️.ws GoDaddy provides a Domain Availability API at , so that part was trivial. Works pretty much like you expect: feed it a domain and an API key, it spits back some JSON to tell you whether the domain is available and how much it costs. developers.godaddy.com If a domain is available and is in my list of approved characters, the app adds the domain to the database. If the price has changed, it updates it in the db. If the domain is now taken, it gets removed. You know: CRUD stuff. Once this is up and running, you can begin to fill your superstore with weird one character domains. Finding the Weird Domains Since the app can populate itself, loading it full domains was just a matter of building a little script to scan through all the possible characters on a given TLD and point it at the weird one character domain superstore. I started with the big ones: , , and added some of the ones that I know are always tolerant of weirdness: and . From there, I’ve been adding TLDs that make me laugh: , and . .com .net .org .tk .ws .dog .army .pizza Maybe more to come… we’ll see. There are API usage limits on the GoDaddy discovery API, so one must pace oneself, filling out the listings over a period of weeks. Rest assured that even as you read this, some VM somewhere is trying to find out whether ω.academy is available. Keep it Simple Weird single character domains have a discoverability problem: you don’t know which weird Unicode character you want until you see your new favorite weird Unicode character. I’m not the best Web Designer in the world, so I try not to be too clever. The goal was to make the characters stand out and do the hard work of being interesting. I settled on a big chart as the main way into the single weird character domain experience: Display of Carian domain names, front page of ツ.ws I wrote a bunch of basic search and sort functions to provide a half decent, if messy, interface to all the domains. Still not sure what to with massive character sets, like CJK. Right now, I just cut them off. There’s also a totally . dubious FAQ Finishing touches include SEO metadata and social media sharing — a little trickier than normal, since URL paths containing unicode that have to URLEncoded. Not that hard… just another thing to keep in mind. Unicode sometimes needs a helping hand. I made my amazing logo at . I wonder if that site makes money… kinda goofy, but works well enough. Thx! flamingtext.com There are probably other features I could add, but I’m not sure it’s worth it. Open to suggestions, of course… And Now… There it is… in all its glory. ! WeirdOneCharacterDomainSuperstore.com I initially expected to bang it out of four or five days, but it ended up taking about two months between Thanksgiving and New Years 2018. In the end, I’m not really sure than anyone wants this thing. That said, it totally makes me laugh. It’s a thing that should exist and now it does. Enjoy! ツ.ws

WeirdOneCharacterDomainSuperstore.com: How I Built This

Elon Musk: A Businessman who Prioritizes Sustainability - ÀLA.HAUSSE The ÀLA.HAUSSE ecosystem exists because we want to assist in the global effort for a more sustainable future. As persistent and as determined as we are, the fight can be tiresome when the world often shows little concern for the environment. Thankfully there are philanthropists like Elon Musk who help us remember that there are still people out there fighting for justice for Mother Earth, and who inspire us to keep pushing for a greener future. Elon Musk: A Man of Many Interests, Including Philanthropy Musk is known for many things. He founded Tesla, a company that develops and produces electric-powered vehicles, as well as SpaceX, another company that’s leading the charge in space and rocket technologies, and the aptly named Boring Company, which focuses on large-tunnel boring under cityscapes. As you can see, he has a variety of interests, but all seem to have one goal in common: the betterment of humanity. Yes, Musk is a controversial subject. His antics as of late could only be compared to that of a 15-year-old computer , but he appears to be a man who wants to achieve global climate action; a goal that, given his resources, is not outside the realm of possibility. In fact, many of Musk’s undertakings have already had a serious impact on climate change. In alone, his company Tesla avoided 5 million metric tons of CO2 emissions, thanks to the use of their electric cars. troll 2020 Being a company that takes climate action, as well as economic action seriously, Tesla states on their website that by 2030 they plan to increase their sales of electric vehicles from 0.5 million to 20 million per year. They also plan to achieve energy storage of 1500 GWH, compared to the mere 3 GWH achieved this year. Achieving the Tesla Ecosystem As they’ve outlined in their 2020 impact , they aim to attain a balanced ecosystem between all tesla resources. This includes solar panels, energy storage, tesla cells and tesla vehicles, all working together in unison to deliver an experience that is not only economically efficient, but environmentally sound. Because they doubled their sales in 2020, from 2.4 billion to 5.9 billion, they plan on localizing their supply chains, so as to reduce their associated carbon footprint. report SpaceX Leading the Charge in Sustainable Space Practices​ As for SpaceX, arguably the greatest space agency to date, they’ve attained some significant milestones in the global sustainability agenda; both on Earth and elsewhere. Their reusable rockets, for example, allow them to simply refuel the rocket in question, aim it back at the sky, and send it right back into space. Prior to this significant advancement in rocket technologies, rockets that were sent to space would either become garbage or would have to be rebuilt and refitted. Now, the process is faster, it’s more efficient, and most importantly, it’s cleaner. Currently, rockets use liquid kerosene, which isn’t carcinogenic or toxic like hypergolic propellants; the more widely used method. In the future, the plan is to use methane because it is a natural gas and is, therefore, a greener alternative when it comes to rocket fuel. Liquid hydrogen would have been preferable, but the technological logistics are complex, and the fuel tanks required would need to be larger. SpaceX Tesla’s Solar Panels Give Power to the People Of course, their solar panel endeavors are also of incredible importance. With solar inverters that operate at a 97.5% efficiency, and relatively affordable options, Musk makes free energy to just about everyone. The solar panels themselves can be fit to all sorts of different housing types and angles, and their associated storage cells allow individuals and families the opportunity to save energy for later use. Tesla solar panels give you more control over your energy footprint, and with the easy-to-use app, you have access to real-time energy consumption and generation data. accessible Tunnels a Viable Sustainability Option As boring as the may seem, giant tunnels under cities are not simply just giant tunnels under cities. The intention is that one day, these tunnels will act as a traffic decongestants, allowing commuters the option to circumnavigate traffic by opting for the subterranean alternative. The tunnels are already being dug and built under Las Vegas, with possible extensions planned for the future. Boring Company But why bother with tunnels? Are they really a more sustainable option than roads? Tunnels are a green alternative to surface highways and roads for a number of reasons. They reduce traffic, and, therefore commute times; they are low maintenance and require little re-paving, and their construction is less pollutive and destructive to the environment. They allow for more space on the surface, and they have an unlimited capacity, meaning layers upon layers of tunnels could be hypothetically built. Tunnels also offer the opportunity for a hyperloop system, which, when in operation, could enable travel between distant locations within significantly reduced periods. This could lower emissions in not only the automotive industry but the air transportation industries as well, depending on how far the tunnels reach. The ÀLA.HAUSSE Sustainability Initiative Having a company that focuses on electric alternatives to the automotive industry, as well as other sustainability initiatives like solar power and traffic decongestion, Musk has proven time and time again that he intends to assist in bringing about a more sustainable society. Sustainability is key to the ÀLA.HAUSSE agenda, and so we commend his efforts and hope to see him continue in his fight for a better future.

How Elon Musk Prioritizes Sustainability in his Businesses

LIGHTING—A FINE ART?

As the years have gone by, entrepreneur has undoubtedly become a household name. His broader visions, and not to mention wealth, has helped him to carve out a legendary mark in outer space and the automotive industry alike. Elon Musk As one of the pioneering minds behind the creation of the innovative, high-tech electric cars company Tesla, Musk has stayed true to his vision in bringing clean, zero-emission products to the . motor industry His latest and most prevalent project, better , or Space Exploration Technologies Corporation by its full name was founded in 2002 and is slowly taking commercial space flights to new heights with a vision to colonise Mars. known as SpaceX His sights are set high with a mission to make spaceflight not only a reality but also sustainable and affordable by creating reusable rockets like the Falcon 9 space shuttle. The is a reusable two-stage rocket and the first of its kind. It is designed with the ability to be able to refly its most expensive parts - a feature that’s impossible to replicate among its modern counterparts. Falcon 9 SpaceX Mission SpaceX believes that in order to make space access more widely available to consumers, their reusable rocket is a pivotal breakthrough as it will substantially reduce costs. Historically, space launches are very costly. The extortionate expense is primarily down to building a rocket which can only fly on a single mission. wants to eradicate this notion and make their rockets similar to commercial planes. The costs involved in building an aircraft and a rocket can be largely similar. SpaceX wants to be able to use rockets or even parts of it multiple times on different journeys into outer space. SpaceX Following the model of commercial planes could help cut the cost of travelling into space by a hundredfold. Most rockets are designed to disintegrate parts on reentry into Earth’s atmosphere. However, SpaceX rockets are crafted in order to not only withstand reentry, but they can also successfully land back on Earth and refly. What does this mean for cars? For SpaceX rockets to be able to break these challenging boundaries, it has led to the development of new materials and technologies. Designing and manufacturing these types of rockets using means they can also be adopted into other industries making them highly versatile. One of the reasons many rockets are only used once is due to their durability when entering the Earth's atmosphere. innovative new materials In most cases, rockets are primarily built to survive the strain of space. Most rockets re-enter in a fiery descent as they hit the Earth's atmosphere at almost a thousand miles per hour, at which point, astronauts are reliant on the of the rocket to protect them. aeroshell Having the ability to develop an aeroshell strong enough to withstand the heat means new materials such as these can be transferred to the . motor industry Designing and manufacturing cars with highly durable metals and materials could lead to fewer casualties on the road with the prospects of one of the industry's first. Unfortunately, it wouldn't mean indestructible cars, but it would mean more robust cars for families carrying infants or even aeroplanes which can perform better in crashes. Tesla to become The impact of new rocket materials on the automotive industry The automotive industry, although lucrative, costs countries millions of dollars in unanticipated accidents while . If we take a look at the number of casualties in the graph below, in some European countries, we can see that, although 2019 figures are fewer in size than 2018, the number of deaths per million is still significant: impacting population size (Image: Statista ) Using SpaceX technology could radically change these numbers thanks to their durable materials. Introducing similar elements to that of the aeroshell indicates promise, potentially making safer cars. The of technologies between Elon Musk's SpaceX and Tesla motors has already had an impact on the way Tesla is designing cars. cross-pollination SpaceX engineers are experts at crafting and creating lightweight and advanced material for space rockets, and naturally, some of their expertise have trickled their way down to Tesla's vehicles. (Image: Tesla ) The Tesla Model S is the only car with a chassis made entirely out of aluminium. The benefit of using . Using it allows vehicle manufacturers to increase dent resistance by making the body panels of the car thicker while simultaneously being able to lower the weight of the vehicle overall. aluminium is that in its nature, it is a lightweight metal Aluminium also improves the performance of a car by allowing it to accelerate better, with better braking power and handling control. With this in mind, when considering supercars and F1 racing cars, the use of aluminium could be a real game-changer for performance. When considering its use on an average consumer level, using aluminium will allow manufactures to with thicker, more dent resistant panels, keeping everyone on the road safe while being able to . SpaceX technology create safer cars reduce accident and insurance rates Other ways Musk is revolutionising the modern world With a keen focus still on sources, Elon Musk also has his sights set on solar technology after acquiring Californian based Solar City, making it a subsidiary of Tesla. has helped to bring affordable solar panel options to consumers in their homes, aiding them in transitioning to a greener way of living. reusable energy Solar City The bottom line is that although Elon Musk's entrepreneurial endeavours may seem varied and wide-eyed, they have the potential to positively change different aspects of the world as we know it today. By considering how SpaceX technology could change the future of cars, it gives us a clear indication of how safe the future will be with a positive outlook on . This has the potential to massively reduce carbon emissions and help to look after the world we live in today. sustainability

SpaceX Technology May Have The Potential To Revolutionise The Future of Cars

This article is really a precursor to cool things you can do with calculus such as the persuit curve which is used in air-to-air missiles, and rocket launch equations. Let's revisit some calculus topics you most likely haven't touched on in a while and use Python to take a refresher, and go over common derivatives and rules used. This is intended to be a calculus tutorial, but you won't use an online calculator such as Wolfram-Alpha, which requires an API. Also useful if you ever want to write your own code, or just do painless calculations. This is also a great way to check that your calculations done by hand are accurate. I will go over through differentiation rules in the easiest way possible, providing examples which you can execute using python. The areas covered in this how to install SymPy, and go through the following: Power Rule, Product Rule, Quotient Rule, Chain Rule, Exponential, Partial Derivatives I will use Lagrange's derivative notation (such as 𝑓(𝑥), 𝑓 (𝑥), and so on) to express formulae as it is the easiest notation to understand whilst you code along with python. Whilst it is more common to use the Leibniz  notation, (d/dx), it didn't feel natural when running differential equations in Python. ′ Using SymPy This post will use , which is a Python library. It is also possible to use the SciPy library, but SymPy prints the output in an easy to read way, and is more useful in getting a grasp of differentiation and integration. SymPy To install it, open up the terminal and run the following command: pip install sympy I would strongly recommend writing the python code in a new Jupyter Notebook, which comes with the distribution. Anaconda Differentiation Rules I will go through some differentiation rules first, as a quick refresher to some Calculus topics that you probably have forgotten a long time ago. Power Rule The power rule states: Which is self-explanatory if you have ever taken a calculus class. So let's take a simple example, and go through the steps by hand; This is a good, easy example to test out with the SymPy library. To implement this in python, first import the library, and declare a variable that you will use within your functions. The snippet below shows how to declare a single variable function: sympy sp

x = sp.Symbol( ) import as 'x' The final step is to get the derivation by running the code below: sp.diff(x** ) 3 Which outputs: You will notice that the output equation comes out in a nice print format. If you want to get the second order differential, , you can simply include twice within the command: f''(x) x diff sp.diff(x** ,x,x) 3 Where is the second order differential, or put in a hand-written way: 6x Product Rule Let's go through a quick example by hand: So running this in python will give you the following: sp.diff(sp.sin(x)*( *x** + )) 2 2 2 Quotient Rule The quotient rule helps allows us to efficiently find the derivative of one function divided by another function, such that: So, let's go through a quick example by hand: and this is what it looks like when we do this in : Python sp.diff((sp.sin(x))/x) Try this by hand, and then run it in python: The quotient rule is very similar to the product rule, except with changing the plus to a minus, and the extra step of dividing by the step. g(x)^2 Chain Rule As mentioned earlier, I have chosen to use Langrangian notation to go through these rules. The chain rule for some reason gets more over-complicated than it needs to be. The formula is shown below: So let's go through an example by hand: The inner function, g(𝑥) is 𝑥^2 +1 which when differentiated is 2𝑥. The outer function is f(𝑥) is ( )^7, which when differentiated turns to 7*( )^6. stuff stuff So following this logic, and here is the hand calculation: Which is pretty straghtforward when using the chain rule formula. This is what this looks like when run in python: sp.diff((x** + )** ) 2 1 7 And that is pretty much it. Try to calculate by hand the following examples if you want good practice: and, For more indepth explanation of the chain rule, check Aaron Schlegel's post on the . Chain Rule Exponential Derivatives and, using the chain rule, while giving an exponent of , e g(x) Let's go through a quick example: and the code for that will look like: sp.diff(sp.exp( *x)) 3 This covers all the differentiaiton rules you would have memorised in your calculus class. With all that, let's look at something called Partial Derivatives: What about Partial Derivatives? A partial differential equation (PDE) differs from the Ordinary Differential equations we have looked at so far, as PDEs contain multivariable functions. The difference being is that you take derivatives of one variable at a time. Let's start with a two variable function and find their partial derivatives: Now how do I do this in Python you might ask? The first step is to declare your variables 𝑥 and 𝑦 like so: x, y = sp.symbols( )

f = x** * y 'x y' 4 In the above, I have assigned the function as a variable, so as not to rewrite this variable every time I take a derivative. Taking the partial derivative in respect to x: sp.diff(f, x) And taking the partial derivative in respect to y: sp.diff(f, y) You can also take the derivatives with respect to many variables one after the other within the same line of code: sp.diff(f,x,y) Another example with 3 variable functions x, y, z = sp.symbols( )

f = x** * y * z** 'x y z' 3 2 The remaining part now is as before: sp.diff(f, x) sp.diff(f, y) sp.diff(f, z) And that's pretty much it on the derivatives side. However, these aren't actual functions useful in Python code, this is more of a homework thing. Actually putting this in Python Code! What is the point of calculating differential equations in my Python code if I can't plug in the numbers? SymPy gives us a function to do just that! This very handy function is called , where you substitute numbers where you have placed symbols. lambdify Let's do a quick example: f = *x** + *x
f_prime = sp.diff(f)
f_prime 2 3 4 So I have set up f_prime, but I want to substitute 𝑥 with the number 2. We now use our handy little function here: f_prime = sp.lambdify(x, f_prime)
f_prime( ) 2 >> 28 And there you have it. Let's do another example with multiple symbolic variables f = x** * y * z** F = sp.lambdify([x,y,z], f)

F( , , ) 3 2 1 2 3 >> 18 And with this, you now have a python library for finding derivatives and turning them into functions. Have fun! Future Articles Integrals deserve an article of their own, and will be the part 2, followed by Series Expansion and SymPy plots. After that, I will only do articles on the applications of calculus such as the persuit curve, rocket launch equations, orbital mechanics, or anything useful for Kerbal Space Program's kOS mod, which allows you to automate specific tasks. This is probably the easiest way to immediately apply calculus functions with Python. Referenced Websites These are the the websites which I have heavily referenced to make this revision cheat sheet. I would recommend visiting these sites, especially which goes through the same rules. Taking Derivatives In Python Taking Derivatives In Python SymPy.org Calculating Derivatives: Problems and Solutions Derivatives of Exponential Functions

Rocket AI

rocketai.io

-- employees

Since n.d.

COMPANY RANKING

ROCKET AI

EVERGREEN INDEX #9087

Rocket AI WIKI

Apply to get your Tech Company News Page live on HackerNoon.com today!

Rocket AI

rocketai.io

-- employees

Since n.d.

COMPANY RANKING

ROCKET AI

EVERGREEN INDEX #9087

RELATED COMPANIESRANK

STORIES ABOUT ROCKET AI

Rocket AI WIKI

Apply to get your Tech Company News Page live on HackerNoon.com today!