Articles by Dev To from December 2019

Hey everyone!!! Now that we have a smokin fast Redis instance going we are moving all of our background jobs from DelayedJob to Sidekiq! Click on the Issue linked below to learn more!There are lots of...

The year is 2025, and Im randomly scrolling through my blog and I come across this post Ive written, one thing is certain Ill have a sheepish smile on my face. The purpose of writing a year-end review...

While using JavaScript to open a mobile navigation is a solid option, it's also possible to do it with CSS only. Even submenus don't necessarily need any JS to work, pseudo classes and sibling selecto...

As part of the final entry in the C# Advent series of 2019, Calvin Allen touched on some proposals in the C# 9 language that he was most excited about. Its a quick, well-written, and exciting article ...

Perhaps a better question is do you refactor personal projects?I can see both sides of this. Refactoring a personal project to incorporate new functionality is a good way to show off new skills. On th...

I'm stuck.I have accumulated a decent set of browser bookmarks, both in the browser and in my notes. And I need to combine them somehow, comb a little and structure the whole set to make it more acces...

How to dispatch different actions to reducers in ReactA state machine is a system that starts out in a specific state and changes from one specific state into another specific state based on the...

This year has been weird but good, after suddenly becoming the most experienced frontend developer at the company I work at, Matise, I really had to step it up.In this article I've listed 5 things I l...

In this week's article, we dig into something different. Let us look at an algorithm problem wherein there are multiple approaches but just one optimum solution. Problem Statement---------------...

IntroductionWhen you first started to learn about programming. Are you forced to learn to write documentation you are just given something to "write hello world"?As I progress as a developer, it...

There are many ways to make a program, probably you already made your program like a serie of commands, this is what we called of "imperative programming" or maybe you do your program keeping things i...

This post first appeared on www.mikenikles.com.Photo by Aryan Singh on Unsplash React was my go-to choice for many yearsOn October 14, 2015, I hosted the inaugural React Vancouver meetup. It was ...

Disclosure: This post includes affiliate links; I may receive compensation if you purchase products or services from the different links provided in this article.If you are a frontend developer who wa...

This article was originally published on Barbarian Meets Coding.tmux is one of those things in life that at first encounter sound really weird and confusing. You learn about them and you can't quite u...

Ruby 2.7.0 ReleasedIntroducing:Pattern MatchingREPL (irb) improvementCompaction GCSeparation of positional and keyword argumentsand more!...

One of my example syscall methods will print Hello world to the kernel buffer, and the second one will get PID of a process and print the elapsed time of it to the kernel buffer. 1. Setup environ...

This is a weekly roundup of awesome DEV comments that you may have missed. You are welcome and encouraged to boost posts and comments yourself using the #bestofdev tag.@murrayvarey got the What's Bee...

Hello everybody!Have you got troubles with configs? I have. And it's problem for me.I have created simple and awesome library for configs parsing.You can install it with pip:pip install betterconfSimp...

This article was originally posted on my blog: ctrl-y.A Spanish version of this article can also be found in ctrl-y.On the Side Note section at the end of each article, I like to share what I was list...

The before and after pseudo elements are used to add things like text and or styling outside the DOM. This means you cannot count on them being indexable by search engines and are only readable by scr...

Consider the following: Santa brings toys to all the good girls and boys.There are 7,713,468,100 people in the world in 2019, around 26.3% of which are under 15 years old. This works out to 2,028,642,...

Hi! I'm Helen, one of your friendly mods looking after the #sql, #postgres and #database tags. At the end of each month, I'll be showcasing some of the great posts, projects and insights from the dat...

So, despite the endless Christmas music and constant ads, youre still missing a present for someone. That's okay, some people are tough to shop for! The easiest quick gift is an e-gift card. You can b...

What do you think?...

Ok, where do I start. First thanks to Peter Thaleikis for suggesting this. Second is not very technical. Third is personal.Fourth not as usual, stupid but real. The why ?Some times is not the rea...

For my personal projects, I often get inspired by research papers I read about human-computer interaction.Lately, the one I've been looking into is called "Ubicoustics - Plug-and-play acoustic activit...

The API is what gives a web developer his power. It's a technology used by all living things. It surrounds us and penetrates us. It binds the web together.The modern web is powered by APIs, and the ab...

Here's a silly thing you can do with the Ruby parser:begin raise "omg"rescue => (class Box class << self attr_accessor :contents endend; Box).contentsendputs Box.contents# => "om...

Hi! I'm Sam. I've been working as a developer for 7 years. I had worked at the same job from the time I graduated college up until 2 months ago. My workplace situation suddenly became toxic and I had ...

The yeti login form created by Darin Senneff is amazing and, along with most of the things he builds, has been a continuous source of inspiration:In the past, I created my version of this animated log...

Hi! My name is Paidamoyo-Janet Azehko aka Myles. I'm a newbie web dev on my journey through 100 Days of Code, and this is my third or fourth attempt. I'm not even sure what day that would make this. ...

guard is not a new library. It has been a staple in many areas of Ruby development for years. Many of us use it, but I felt like shedding a bit of light on it as a great too folks should know about in...

This was originally posted on my blog.One thing that I've always loved hearing about from fellow engineers or reading about on technical blogs are bugs. Nasty ones. Ones that keep you up at night and ...

For me, any project doesn't start feeling "real" until the program starts reading from or writing to external files.Unfortunately, this is one of those topics that often suffers the most from tutorial...

IntroductionDo you find yourself using tools like make to manage non build-related scripts?Build tools are great, but they are not optimized for general script management.Introducing Run:GitHub ...

Last week we talked about Nullish Coalescing, now it's time for another new addition to ECMAScript. The dreaded existence checkHave you ever worked with an API full of objects that were inconsist...

A comprehensive and rewarding step by step tutorial covering the basic concepts of Vue.js, Google Maps Platform, Firebase and Deployment to make an awesome panic button progressive web app!! WAR...

Treat yourself and loved ones this holiday season with more gift ideas from DEV! This guide is themed to offer up supportive gifts for coders, because everyone can benefit from tools that promote heal...

In the spirit of Christmas, I'm giving away my used Macbook Pro 13". I am looking for someone who seeks to become a web developer and cannot afford a computer. Write me a DM on Twitter (_marcba) or ma...

If you have an image on a page which is 600x200 pixels, chances are it's not going to be shown exactly with that size. That's because most of the time it's put inside a container which defines the wid...

I am so excited to tell you all about the code that inspired this tweet... Ben Halpern @bendhalpern Do the Germans h...

2019 definitely seemed to be a pivotal year for the JAMstack. New companies cropped up (yep, us included), JAMstack_conf_sf was the biggest event yet and lots of new tools seemed to gain momentum dail...

There are so many things to think about when searching for that first dev job, and even more to keep in mind once you actually start. The best tips come from those that have been there before, so let'...

Tip: Building a fast, core foundation for your site gives everyone a good experience, whether they're on a low-cost feature phone or the latest high-end smart phone. IntroductionFeature phones ar...

Developers often fear database changes because a mistake by anyone on your team can lead to a major outage and even data loss. The stakes are higher when changes are not backwards compatible, cannot b...

The new year is approaching, for some it's just an arbritrary thing, for others a new possibility.Some of the resolutions I had in the past worked out great (blogging, training), but some didn't (lear...

The only conference Ive ever attended was JBCN in 2016 for Java when I worked in Barcelona because my company at the time were sponsors.Ive never been to a JavaScript or frontend centric conference be...

Over the course of the past month, Ive built the first version of FelloWagea website that allows users to share their salary information and view information shared by others.Of course, I wanted to ke...

While I was doing the work to host my Blazor search app within my website I realised I'd need to update the deployment pipeline I use for my blog. The process being used was very similar to the one us...

Recently I started learning go, I wanted to learn a new backend language and after playing around a bit I started really enjoying it. However, being new to the language I am not sure if I am doing any...

Lifted directly from their website, "Storybook provides a sandbox to build UI components in isolation so you can develop hard-to-reach states and edge cases." StorybookStorybook is an app that l...

CloudBees Rollout has been offering Javascript SDKs for years. On one hand, rox-node can be used on the server side and, on the other, rox-browser is there for client-side, in-browser feature flags. W...

Should I buy summary: NO Unless you are using GCP E2 specifically for, non-CPU dependent burst workloads (eg. background tasks), temporary autoscale, or are planning to use committed use discount - st...

Every Monday we round up the previous week's top posts based on traffic, engagement, and a hint of editorial curation. The typical week starts on Monday and ends on Sunday, but don't worry, we take in...

While developing webapps you may need to use HTTPS to match production environment. For local purposes you may not need a real certificate and a self-signed SSL certificate could be enough.A self-sign...

When I first started working in Seattle! It was a beautiful day I've always wanted to sit down and write down my whole journey of how I transitioned into tech and landed a web developer role without ...

Hello DEV community and welcome back to Code Review, a series of coding challenges and job related content released weekly. I thought Id do something a little special this week to celebrate the holida...

Data storage is the most integral part of a transactional database system. In this article, I will go into details about different ways to load data into a transaction SQL system. From inserting a cou...

In a previous post, I introduced GistPad, a new VS Code extension that provides an in-editor scratchpad/code snippet manager, built on top of GitHub Gists. However, after releasing the extension, and ...

This guide allows you to execute Maven builds of multiple bitbucket repositories with a single pipeline on Jenkins, resolve the dependencies from Artifactory and deploy artifacts and buildinfo to Arti...

image by alexchoffyThere are many good approaches to handle configuration in a modern application. Now we use such things as configuration files, environment variables, command-line parameters, as wel...

Ever wondered about how retailers are doing The answer is simple, Association Rule Learning. This technique is used by retailers across the globe to understand customer buying patterns by finding co-r...

Today Puppeteer topic will be related to proxy. Using proxy when browse a page is useful when we want to hide our origin access location. That's only one reason. Another reason it can be used to prote...

This is the first time I am writing a recap of a year after getting inspired by some amazing recaps. This post is a look back on all the professional things I did this year and a hint to whats coming ...

Recently, I wrote an article about customising your shell using ZSH.However, as skibitsky pointed out in the comments, the startup time and performance was excrucuatingly slow. So I set about making s...

If you've ever read a book, you absolutely know what indexing is. Whether you love fantasy, fiction, or science-fiction(guilty), all of these genres typically have one thing in common. They all have a...

Hi everyone! :) After months of hard work, I finished my newest product: CSS Scan Pro.It makes it radically easy to get the looks of any website. Hover over any element, and copy its entire CSS with ...

I have been programming for four years now, one year which is programming professionally. My past background is not related to programming at all. I have a bachelor degree in International Business an...

Hey dev.to community!BxJS Weekly Episode 93 is now out! Listen to the best javascript news of the week in a podcast form right here.Here's all the mentioned links (also found on github): Getting ...

While I am primarily trained in JavaScript, I also want to double with Python, since it seems to be a very interesting language in and of itself. The problem is I barely know where to start, if at all...

You can use this guide to understand what Java microservices are, how you architect and build them. Also: A look at Java microservice libraries & common questions.[Editors note: At nearly 7,000 wo...

TL;DRIn cloud computing world, an containerized application promotes the decoupling principle, which offers a logical packaging mechanism. It allows container-base applications to be easily depl...

Read the original article hereIn this tutorial, we're going to learn about new React feature called "Hooks". Well, I have written a lot of tutorials about React Hooks itself, but in this practicular p...

Hello, developers!I would like to introduce JSON Formatter, an online developer tool to beautifully format JSON data to be more human-friendly and readable or minify JSON data to be compact for produc...

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Welcome to part-10 of the series. As told in the earlier post, this series is based on the learning from this awesome udemy course by John SmilgaIts time to add some content. So, head over to Content ...

Becoming a developer can start at any point in ones life. As the importance of coding has grown, so has the demand for programmers. Thousands of students of all ages are currently training to work in ...

This is a slightly edited version of a short blurb I sent out to my email subscribers in November. Howdy This is my first time writing to you, so thanks for all of your patience, and sorry if you...

A little push to those JavaScript/Node.js developers who are discovering the Rust world (like me)After a long time flirting with I decided to start (and finish!) a simple, but useful, crate. So I spen...

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Past Rubies is a tiny weekly newsletter that shares curated historical content from the Ruby community. Consider it Ruby's version of 'on this day in history'. New issues every Wednesday. Get copies t...

Not invented here syndrome (NIHS) is a slightly tongue-in-cheek name for the tendency of both individual developers and entire organizations to reject suitable external solutions to software developme...

Hello world and Hello Everyone Wow, I am super excited to announce this Winter has come with Darkness and sadness And in this Winter, I am planning to start a Podcast to make the Winter a bit better...

I feel so sheltered! I've worked for the same SaaS product for about 8 years, and I don't live in a place like SF where it seems like everyone is "tech tech tech tech" all the time, so I really only h...

About a month ago, we released blocking tools for user safety. That functionality was part of an ongoing priority to provide community members with the tools they need to deal with a variety of situat...

If youre an architect or developer looking at event-driven architectures, stream processing might be just what you need to make your app faster, more scalable, and more decoupled.In this articlethe th...

Soul for the Web Soup Not all websites "resonate" the same... This post is an ode to META-GREAT websites that are also odd: ATV, drone, elbil, elsykkel, rc helikopter, ATV, robot, elat for the design,...

Starting a new project or using a new technology often requires setting up your development workspace to be compatible with what you are trying to accomplish. Building a web application? You'll need o...

It's not news that Edge is rebranding itself. We've all read about its new icon (and maybe ranted about its similarity to Firefox's), but I'm not here to talk about that. I'm here to talk about its ot...

I want to share with you some snipped code that manage the DEV APIs. (https://docs.dev.to/). Every snippet use rest-client gem, A simple HTTP and REST client for Ruby. In the future they will be colle...

Your Slack app's App Home is a focused, 1:1 space in Slack shared between individual users and your app. Within every App Home, users find multiple tabs: About, Messages, and the newly introduced Home...

Sending a single email is great, but one of the big advantages of email is quickly reaching a wider audience. Today Ill show you three ways to send bulk emails with Node.js and SendGrid. Just for fun,...

The most polarizing thing about DEV is its design. As the person most responsible for our design as it stands today, I'm pretty much in agreement with all the different perspectives. We have made some...

I'm excited to announce that today is my first day working with the DEV team as their first product designer! Having worked with @ben and @peter on a past project, I'm excited to champion product desi...

Community is powerful. The internet has often succeeded by channeling that power into "crowdsourcing" for things like raising funds or even managing content. The most obvious example of crowdsourced c...

This is my first post on dev.to - I feel like considering my name is Danielle Emma Vass I belong here (and would appreciate more DEV stickers to label all my things with please ) Currently, I am a mob...

At the time of writing this post, I've been blogging on the Dev Community for almost a year and have 12,509 followers.I always loved writing. From a young age I would write "books" which were really j...

How did a virtual voice assistant learn to be so sly? The answer is Natural Language Processing, a subcategory of artificial intelligence. Sounds futuristic, yet Natural Language Processing is already...

Wow what a week! Last weeks challenge was a big hit. In case you missed it, here's a link to last weeks article here and the challenge on Coderbyte.Before I begin talking about the solution to the cha...

I've been hearing a lot of people refer to themselves as Full Stack Junior Developers, but how does one become one? Doesn't the very nature of being Full Stack mean you've gained enough experience to ...

So today @paulasantamaria and I spent the whole afternoon creating a web tool to allow everyone on DEV to see their blog stats of 2019!Here's how my year in DEV.to looks like: Curious about your ...

So today @paulasantamaria and I spent the whole afternoon creating a web tool to allow everyone on DEV to see their blog stats of 2019!Here's how my year in DEV.to looks like: Curious about your ...

Hi everyone!I was working these past few weeks on a cool side project, and since I haven't been publishing anything lately, I decided to go ahead and share this with you Link of the app: https://guita...

Hi everyone!I was working these past few weeks on a cool side project, and since I haven't been publishing anything lately, I decided to go ahead and share this with you Link of the app: https://guita...

What should I have memorized?Every week I see a post somewhere like Latency Numbers Every Programmer Should Know, TOP 10 ALGORITHMS EVERY SOFTWARE ENGINEER SHOULD KNOW BY HEART or 6 Git commands every...

Over the past few weeks Ive been learning about ElectronJS (also known just as Electron), and wanted to write about my experiences and applications I built. In the process of learning, I built both an...

By: Benjamin Martin Let's take a moment to consider what is important for local development. For me, I want to make sure all my developers are using the same dependencies, and I don't want to worry ab...

At this years XOXO festival, one of the top-secret closing party happenings was a special live listening of Neil Cicerega's latest mashup album. If you're not familiar with Neil's work, his previous a...

I see these terms tossed around a lot. I've Googled them myself but the explanations I find are very cryptic. Would anyone mind explaining (simply if possible) what the differences are? ...

This month, we return DigitalOcean and CloudBees, and welcome Pusher as a Gold Sponsor. Thank you to each of these companies for being a valuable DEV Community partner and supporter.Please take a few ...

Photo by Road Trip with Raj on UnsplashIt'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...

Google Cloud has a number of options to run your code. We'll focus on three serverless platforms: Cloud Functions, App Engine, and Cloud Run, all of which automatically scale by traffic and bill by us...

After yesterday, I was hoping for a puzzle that involved a little bit less breaking my brain, and Advent of Code, Day 4 did not disappoint.Here's part one:You arrive at the Venus fuel depot only to di...

It's awesome to build sites that are inclusive and accessible to everyone. There are at least six key areas of disability we can optimize for: visual, hearing, mobility, cognition, speech and neural. ...

Today I would like to have a conversation about "the most important skill." In reality, what that is is purely subjective. I'm going to get right to the point. The most important skill you can have in...

This article is part of #25DaysOfServerless. New challenges will be published every day from Microsoft Cloud Advocates throughout the month of December. Find out more about how Microsoft Azure enables...

Hey I've been looking around this website to find some good resources to improve my Ruby on Rails / Developer skills during my training hours, and I just realized that there wasn't much about it! So, ...

Over the Thanksgiving holiday, I took some time to familiarize myself with GitHub Actions and set up a couple of workflows. Here's a quick review of what it takes to run rspec tests using GitHub Actio...

Working as a developer means you need to know how dive into existing code bases. When you inherit a project, there are a lot of specifics that you don't know, like why some of the code is written a ce...

Christmas holidays are getting close. Either we are planning to work on some personal side projects, learning some new techie subjects or simply recharging batteries with a well deserved coding pause....

Right after you have chosen your Linux distribution, the very next question comes to your mind is what desktop environment am I going to use? This was not a problem if you have used windows or mac, yo...

Originally published on webdeasy.de!Google Analytics is a nice tool to analyze website visits. Since Vue.js pages are mostly realized as single page applications, the integration of Google Analytics i...

Hey everyone! This will be a short and sweet blog on git commands. Let's git started (that was cringy for me too but I couldn't resist!). Git initThis might be the simplest command. It creates a ...

Most of us, here in DEV, have tech-oriented jobs. Whether you are a frontend developer, backend developer, software analyst, project manager, team leader, etc., our job's final goal is to build softwa...

image: Ginny from @b_b_b_bennyandthecatsI do so much of my learning solo that the nerves of writing code live never go away. I find that the only way to curb them is to keep doing these interviews. He...

If you search something like "programming books" or "books developers should read" you will get a lot of articles listing the same 5 or 6 books. In this article, I want to bring to your attention some...