Articles by Dev To from February 2020

Lets assume you need to build code-readability-meter. How would you do it? What is code readability?Readability is the ease with which a reader can understand a written text. WikipediaReadability...

How difficult would it be to make a script for a keypad activated door? A friend of mine wants to make a door that sounds like it's depressurizing as it slides open. Would this need Raspberry Pi or Ar...

Heres a short Svelte component that displays the text Submitting... when a button is clicked:<script> let submitting = false; const submit = async () => { submitting = true; await win...

A few weeks ago I wrote that I will be teaching designers frontend development at a university this year. I asked for your opinions on how to teach frontend development in 2020, and the answers were g...

I'm back on the Visual Studio Toolbox show and this time we're looking at the application we worked with in the last video but add a bit of DevOps on it using GitHub Actions!I've blogged about how to ...

At Tymate, the question of using GraphQL for our APIs has been around for a long time. Since most of our desktop applications are built with React, it was obviously a recurring request from our front-...

When I was first presented with the opportunity to work remotely I was ecstatic. What could be better than no commute and working from the comfort of my own home?! And while both of those things are g...

Technical interviews are scary; the thought of having to write code on a whiteboard is anxiety-inducing.Throughout our research and years in the industry we've put together some tips for helping you d...

Are you attending RailsConf 2020 in Portland, Oregon? Come join the Planet Argon team on a guided hike to enjoy the beauty of the Pacific Northwest. You can reserve a spot now.We first took Rails deve...

About This GuideThe 100 Days of Code is a challenge created by Alexander Kallaway in 2016 to help him achieve his goals as a software developer. Kallaway outlined a set of rules and guidelines t...

Who hasn't peppered their code with console.logs in an attempt to find that pesky bug? The logs can get daunting and confusing. These will help you enhance your debugging experience with the console.D...

The saying goes: Try everything once except incest and folk dancing, which for me at the tender age of 25 included attempting to write my own x86 kernel, bootloader and a few hardware drivers. Yeah I ...

Cover Art by JavaScript Tooling is constantly improving. The power of CRA makes scaffolding a new React project easier than ever before. Just a few years ago the modern JavaScript developer had to fi...

Today's episode of BaseCS explores tree traversal!We'll learn about what it means to search through a tree, and see how the order of traversal through a tree can change the way that we visit every nod...

As a Data Scientist you usually do one of two things:You comb through a pile of numbers derived from a SQL database, S3 or an HDFS cluster, in order to answer questions like "what keeps customers from...

If I wanted to make a cake, I need the right ingredients - eggs, sugar and flour. However, eggs, sugar and flour are not a cake. It requires putting those ingredients together in a particular way to c...

Interested to see not only who has the biggest reading list, but also what is in your reading list.(see mine below)...

For years as a student and into my first few years as a junior engineer, I felt dirty. Something felt wrong about the code I wrote. No matter how hard I tried, things just didn't always line up and it...

Cover photo by Patrick Perkins on UnsplashA persona, in user-centered design and marketing is a fictional character created to represent a user type that might use a site, brand, or product in a simil...

My last job and my current job have both been in small business retail marketing, which is basically this insane, fast-paced, one-person-does-everything-and-its-cousin job that I kinda sometimes love?...

For some reason, this survey didn't hit my radar until just now. I'm usually on top of it! Looking forward to the insights from this year.If you want to take it: https://stackoverflow.az1.qualtrics.co...

I am so happy to be a part of what I believe has been the best conference in our industry since its inception three years ago... CodeLand 2020In case you missed it: ...

We all know that JavaScript quizzes can be... awful and confusing The pointless foo bar baz questions ruin all the fun of JavaScript and often just cause even more confusion!Last year, I made a GitHu...

You know the drill."Use branches", they said. "It'll be fun", they said.Yeah. But what about building and deploying these branches to a test server without merging a branch first to the staging- or ev...

Not to say that remote work is a flawless solution, but it is certainly a trend gaining in popularity.I imagine there will always be a purpose for offices and hubs to an extent, but could we see a rea...

To help the greater Gatsby ecosystem shorten the time it takes from commit to deploy, today I've just submitted a freshly baked Pull Request as my first larger contribution to the Gatsby open source p...

CSS codes are extremely opinionated across teams and individuals. There isnt much we can do to change how CSS works, but we can make changes to the way we author and structure it. The problem with CSS...

My tweet received pretty much questions from different developers. It takes a lot of time to give the answers for everyone. That's why I decided to make a post here with some of the general tips. Let'...

Web Share APIIf you want to see the Web Share API in action, here's a CodePen link to try it out.The Web Share API gives web apps the ability to share data like: links, text, and files, just lik...

I often hear developers say that they would love to work on a side project, but they just don't have any ideas. I have the opposite problem: too many ideas, not enough time to work on them all. I'll s...

Get it while it's hot.No devtools version yet, that's a more significant rewrite. This extension can only audit public websites via their API. But that's still great!Source: 9to5google....

I first learned about SWR thanks to a video tutorial by Leigh Halliday: "React Data Fetching with Hooks using SWR", and I thought it was interesting enough that I could try it on a small internal proj...

I first learned about SWR thanks to a video tutorial by Leigh Halliday: "React Data Fetching with Hooks using SWR". If you're not familiar with SWR, you can watch Leigh's video or read the official do...

community/kmyoond/"a feeling of fellowship with others, as a result of sharing common attitudes, interests, and goals."You can define a community through a shared interest or by the strength of the co...

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Last months learning React after Angular and Vue, I've come to the conclusion that frontend frameworks are very similar. I've started implementing the same application (at first Todo app) with nearly ...

My team is reviewing how we start-up our projects, a large time sink for us is the initial set-up for running a prototype or Proof of Concept. We end up repeating similar repo and language/framework b...

In this week's Ladybug Podcast episode we discussed the frontend technical interview process.Technical interviews are terrifying, and I'm sure we've all had bad experiences. Hopefully talking about wh...

Sometimes, when your application is in the middle of the migration from REST to GraphQL API, you might find yourself in the situation where data your need is split between both APIs. Let's say when yo...

In the old days we have API to get data, and then later we have RESTful, and then now we have GraphQL. In the old days, we have custom-made query, to get exactly what we wanted, no more, no less.And t...

A Problem with Developers !Developers are intelligent people who love to write code in isolation. Being a developer, I also love to work in a separate room fighting with bugs but there's a probl...

Do you attach to window object, or is there a better alternative?How many namespaces do you usually attach?How do you maintain both browser version and bundler version?Do you require your library user...

It's nice to go deep on a problem sometimes, but we can be tempted to go too deep. How do you manage your time when examining intricate problems?...

Hey guys!I've been spending over $600 bucks per month in Uber Eats. My mentality was "Spend less time doing low-effort stuff, and more time coding and making MVP's of my projects" So I thought it was...

I am developing a "Google Alerts" for developers service GitSpo. I have not figured out exactly what it is, but it is growing fast and people are liking it. A big part of GitSpo is aggregating data fr...

Share your experience of working for a startup. One Pro and One Con .Is their any suggestions for the college students who wanna do Masters ?...

In Ruby, methods can take a single block as an argument, which can be specified explicitly in the method signature by writing:def some_method(&blk)endor implicitly in the method body by writing:de...

Hey folks!My nephew's birthday is almost here and I'm trying to come up with a good gift for him.He's going to be 9 years old and I think he might dig learning about programming he's into video games...

Learning Javascript in the year 2020 is going to be overwhelming. There are thousands of endless articles about Javascript, and it's libraries and web frameworks. For a beginner, laboriously plowing t...

Hey Devs! I've just released a free online book called Naming Things. It's a collection of experiences I've had with naming all kinds of things in code--classes, objects, methods, properties, and busi...

The best thing since sliced bread and absolutely the most revolutionary thing I have seen in my time as Dev, is CSS variables, it's shocking because it's something that should have been there from day...

It's that time of the week again. So wonderful devs, what did you learn this week? It could be programming tips, career advice etc.Feel free to comment with what you learnt and/or reference your TIL p...

What're the real technical key aspects that need to be considered before deciding or coming to a conclusion of battle of Tabs vs Spaces?...

The developer community uses GitHub Gists for a pretty diverse set of use cases. Since it effectively provides "universal cloud storage", it enables you to manage everything from code snippets, refer...

Amara Graham @missamarakay ...

Does your organisation have a plan for career progression? Do you know the steps you need to take to level up?Medium Snowflake (now deprecated)Job Titles & Levels: What Every Software Engineer Ne...

So we've got snake_case and camelCase when it comes to code, and when it comes to filenames there's a third option we don't talk about as much because it's not usually available in code: dash-case. I'...

This week the DevPlebs talk about: Using the podcast to get dates! The weird and mysterious world of fake martial arts! That one time Keith and Phil took a Muay Thai class! Knife fights! Jump Rope For...

Today's episode of BaseCS explores hexadecimals!In this episode, we dive into the base 16 number system, and learn how to count with 16 different digits. We learn how to represent one number in three ...

TL;DRToday we're shipping some small UI changes for the home page. Let us know if you can spot any bugs or issues since changes might have affected other views too.A couple weeks ago the DEV tea...

The cover image for this post is by Markus Spiske over on Unsplash A Little HistoryLike many people who came of age in the 1990s, I hadn't taken backups seriously until I got to college.side note...

I've always been using AWS for hosting from simple prototypes to critical B2B systems. Thanks to its incredible catalog of products, almost all needs are covered.So naturally the first version of Simp...

Ive configured webpacker to be able to process ERBs (bundle exec rails webpacker:install:erb) because I need paths generated by Sprockets' asset_path at build time so that I get properly generated ass...

dev.to is a great place to share your ideas, projects, content and start a good discussion. However, due to the large amont of published artices every day, some good articles get lost.So here are the ...

IntroductionDo you love the simplicity of being able to download & compile golang applications with 'go get', but wish it were easier to manage the compiled binaries?Introducing Bingo:GitHub...

IntroductionIn this crazy world, it has become so difficult to secure leadership in at least one discipline. And now, a new battle has already begun: the speed of assembly of bundle a measure t...

I'm officially a software engineer! Lucy Suddenly @lucysuddenly I'm thrilled to announce: I'm going to be a so...

WebAssembly enables running native code in the JavaScript engine. The compiled and optimised binary ensures better and consistent performance. The JavaScript engine provides the necessary runtime to e...

Heads up! This blog post is actually a reading log. I'm spending 30 minutes every day (more or less) reading C# via CLR by Jeffrey Richter and taking notes as I read it. This is tracked as a series on...

When working with the vanilla JavaScript fetch() API, aborting a request is not too intuitive. Why do we even need to abort a request?One specific use case I needed an abortable request for was ...

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A common error in IntelliJ when attempting to run a new Java maven project is Error:java: release version 5 not supported.Here are 3 techniques to resolve this. Try them in order. If one doesn't resol...

Space Relative to the Document :rootUse: remUnless you change it, the default rem value is 16px with the advantage of responding to changes in zoom level. Why and how to use remrem will not...

Heads up! This blog post is actually a reading log. I'm spending 30 minutes every day (more or less) reading C# via CLR by Jeffrey Richter and taking notes as I read it. This is tracked as a series on...

History of RubyRuby, the creation of independent programmer, Yukihiro Matsumoto, began life over 20 years ago. In 2003, Chicago-based 37Signals launched the popular project management system, Basecam...

Dear reader and follower,I dont know where you are now, but I have the luck to reach you thanks to this platform, our connections are powerful.Probably for some of you, today is a normal day. However,...

Particles are one of the easiest ways of improving the visual appearance of any scene. When we decided to update visuals of our 3D Buddha Live Wallpaper the most obvious way of filling in the empty sp...

Looking back on your week -- what was something you're proud of?All wins count -- big or small Examples of 'wins' include:Getting a promotion!Starting a new projectFixing a tricky bugCleaning your hou...

Which techie are you? Tag yourself in the comments!The Dancing Queen - when the tune is right, you stand up for some sick moves. Singing along is optional but highly encouraged.The Artsy - your desk m...

Hello folks, its not standard for me article, as I prefer to not get into these kind of discussions, I know this topic is very hot, and opinions are very divided.What I want to focus here is some work...

Heads up! This blog post is actually a reading log. I'm spending 30 minutes every day (more or less) reading C# via CLR by Jeffrey Richter and taking notes as I read it. This is tracked as a series on...

Valentine's Day is coming up and both love and machine learning are in the air. Some would use flower petals to determine if someone loves them or not, but developers might use a tool like TensorFlow....

Hi Friends!I enjoy being here, at dev.to for some time already. By and by I start wondering - is it really so, that most posts here are about web-dev (and even more so - many of them about frontend, U...

Have you ever had to face the challenge of fetching several million rows of data with lots of columns from a database and display them on the web?Well, I had to do this recently. Although I was not co...

In my quest to learn something new every week. I came across a not so new pseudo-class element :focus-within. Let's take a look at how it works and how to apply it to our styles.The :focus-within pseu...

I just finished two submissions. Every time I submit for a conference I get amped up. For those of you who've submitted, lets get pumped about what we may be sharing with the community. For those inte...

Have you ever wanted to lint your open source repository for common issues at build time... such as a missing LICENSE, SECURITY.md CONTRIBUTING.md or even absent source license headers? There is a too...

In this video I debunk five negotiation myths that I've seen personally and from talking with candidates.Do these ring true for you? Is there something I missed or got wrong? Are there other negotiati...

Seeking: An open-source project built with Rails, using CircleCI, that would be interested in being set up with a dual boot for an upgrade. This setup would be complimentary, to be used in demo conten...

AWS Databases Deep Dive: Season 1 RecapDatabases are ubiquitous, powering the data storage, access, and retrieval functions needed by most applications we use on the internet today. With a const...

We are excited to share that tickets for CodeLand 2020 are now available! CodeLand is our community-first two day conference featuring talks and workshops from incredible speakers. This year, the conf...

Today's episode of BaseCS explores a very special number in computing: 256! In this episode, we explore encoding schemes, which afford us a more human-friendly way of representing data as compared to ...

example.com wants to show notificationsNotifications can be an effective way to keep users engaged, but many websites are unable to get users past the permission prompt. A common problem is pro...

I always prefer to use rem units over em units in CSS. DefinitionsRem represents the root element's font-size. The root element for a HTML document is almost always the html element.Em represents...

Someone emailed me the other day and was having some trouble gettingtheir program to work under OPS.He had downloaded a binary release from github and knowing that OPS only runs linux binaries chose t...

Canonical URL: https://www.swyx.io/writing/big-l-notation/If you are a lifelong/infinite learner, you want to get the most out of the time you dedicate to learning. What are the determinants of how mu...

Day after day, people like you write fantastic articles here on dev.to. But, due to the sheersize of this platform, not every article gets the attention it may deserve. So, this is my attempt to highl...

You might remember when Pawe and I asked for your feedback and input on the home page last week. Yup, were the design team at DEV and we want to improve your DEV experience so that we make the most ou...

Heres a statement that shouldnt be controversial, but is anyway: JavaScript is a type-checked language.Ive heard people refer to JavaScript as untyped (implying that it has no concept of types), which...

If you are just like me and have spent a last couple of years coding without being aware of how many CSS display values are out there, this could be a useful post for you. I will leave out the values ...

So first a little disclaimer, I don't feel how I write files to be better than the next person. This is more of an open forum to discuss how people go about naming theirs and how the manage files as a...

Merge sort is popular algorithm for sorting an array from smallest to largest. It is often compared to selection sort, insertion sort, bubble sort and many others.However, as I searched the internet f...

Merge sort is popular algorithm for sorting an array from smallest to largest. It is often compared to selection sort, insertion sort, bubble sort and many others.However, as I searched the internet f...

By properties, I mean attributes with getters and setters that use the syntax of a plain attribute instead of the syntax of a function, like this:class Test: def __init__(self, color): self....

Among all the abstract ideas JavaScript has to offer, the 'this' keyword can be one of the most challenging concepts to grasp. On the surface, 'this' seems like an intuitive keyword that simply refers...

I've previously mentioned TTI in my article Improve your SEO by delaying your marketing scripts - by deferring the load of scripts until after your users are ready to scroll, you can make a page feel ...

If you are aware of the values of carrying out the Product Design Process, then you are halfway through the success! CW @cwodtke ...

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For me it's the simple commands that let me set up a new Github repo and add files. I just don't do it enough to commit it to memory. I wrote myself a post with everything I need and still haven't ma...

One I really like personally was DevFest Capital Region in Albany. There were talks on some of everything, like qualitative UX research, the brain science of learning, and a roundtable on mindfulness ...

Hey! It's been a while since I've written to you all on a personal note. I said hi a while ago. Hello dev.to Daniel Madalitso Phiri Oct 11 '18 2 min read ...

Most developers often spend time on their setup, and I am no exception, by no means. I like to organize my computer and my tools to make the most of my everyday tasks. These devices, tools, and softwa...

I believe if you are reading this, you must have heard about the famous event loop that Node.js has, how it handles the concurrency mechanism in Node.js and how it makes Node.js a unique platform for ...

Many sites have functionality for saving links or articles. You can bookmark tweets, save instagram photos, and of course save articles on DEV to read them later.Couple days ago we've been debating in...

There are various coding challenges, the most popular one around here is for sure #adventofcode.Do you do other coding challenges / solve training problems besides that?For example a newsletter like D...

I had some fun writing this (probably inconclusive) post about Elm and Svelte. Rich Harris, in Write less code, showcase a small code snippet in Svelte as an example of getting something done writing ...

This post covers how to set up a new Rails 6 app to use Tailwind CSS, and then set up a custom body font, and get the whole thing actually working when deployed to Heroku.If you haven't upgraded your ...

In this post, you will learnWhere the pull request checks are coming fromThere is no single API endpoint to retrieve the combined status for a pull requestsThe difference between Commit Status, Check ...

Angular 9 is finally released with many new features. The major feature of the release is the Ivy renderer and runtime which makes Angular bundles smaller and increases the performance of your apps.Un...

I'll admit: making web apps accessible can be challenging, especially when you're new to it. It requires thinking from the perspective of disabled users and having some knowledge about the assistive t...

Please make sure to read Ashley McNamara's post for a great explanation on what developer relations is.I am currently sitting at Seattle-Tacoma airport where I am delayed for a few hours. I came to to...

I'm looking for some portfolio site inspiration! I'd love to see your favorite sites by other developers or or even even your own site if you're happy with it.My site is overdue for a refresh and the ...

TimsortTimsort is the most popular sorting algorithm that you've never heard of. If you've spent any time studying sorting algorithms in an academic context, you're probably familiar with the us...

tl;drDEV is redesigning the home page. But we need your help and feedback. Also, hi! Hello, again.This is Pawe, I'm a part of the Product Design team, here at DEV. Lisa and I joined DEV rec...

In January, Twitter announced the launch of a new search endpoint. This endpoint is available in Twitter Developer Labs and is meant to preview what the Tweet search endpoints will look like in the fu...

In April, I will start teaching frontend development to design students at university.The course curriculum wasn't updated for years, so I'm basically free to choose what to teach.The idea is teaching...

Hello, DEV Community Im Ridhwana , and it's my first official week as a software engineer at DEV!Learning and sharing, building communities and coding are mainly the things that Im passionate about, a...

This 5-minute story touches on my career transition from journalism to tech, the concept of Shine Theory and some examples from my time in the Berlin community.Presented on June 1, 2019 in the JSConf ...

As mentioned in my previous post: My learning style consisted of reading, understanding and being able to give the knowledge back. Nevertheless, learning a programming language is all about the practi...

Okay, so you created and tested your Meteor app successfully. Now you want your users enjoy the benefits of a pwa (progressive web app), too. Not that hard!While Meteor does not bring all PWA features...

A feed app is a simple app that curates the latest news and articles all over the web and different sources. So in this article, I will explain how to simply create one using React, Tailwind CSS and m...

Working with associations was the most difficult part of building Central Perk, my Ruby on Rails application. has_many and belongs_to relationships made sense, but the addition to many-to-manyhas_many...

So I wanted to try and do at least a post a week, and I didn't have much time to prepare one this week. So I wanted to open up another discussion!So, to any of you glorious readers stumbling upon this...

I am privileged to be working with some exceptionally inspiring, ambitious, and hardworking women. That said, women in tech is a topic I've been thinking a lot about lately. We've come far, but we're ...

I often come across tutorials about building forms on the web. In spite of all the newfangled techniques and frameworks we now have to perform actions on web pages, the trusty old HTML form still has ...

There are countless libraries for generating charts on the web. Each serves a slightly different niche, but all of them have one thing in common: they require JavaScript.That makes sense, of course o...