Build with ease chat room app with JS code. Try simple 10 lines code demo or ready-to-use github repository and build your features

Build with ease chat room app with JS code. Try simple 10 lines code demo or ready-to-use github repository and build your features

Explore the Python Global Interpreter Lock (GIL) and its impact on performance and threading in cPython environments.

Explore the Python Global Interpreter Lock (GIL) and its impact on performance and threading in cPython environments.

A tutorial on how to build a collaborative design app like Figma using Flutter and Supabase Realtime.

Read our complete guide to build game alerts. Read this and our other information when building game alerts and push notifications.

Read our complete guide to build game alerts. Read this and our other information when building game alerts and push notifications.

A string in Python is a sequence of characters. These characters can be letters, numbers, symbols, or whitespace, and they are enclosed within quotes. Python supports both single (' ') and double (" ") quotes to define a string, providing flexibility based on the coder's preference or specific requi...

Implement and display live-updating geolocation data on a real-time map using JavaScript with modern mapping APIs.

Implement and display live-updating geolocation data on a real-time map using JavaScript with modern mapping APIs.

Learning to embrace a hybrid approach for mobile app development: Native apps are best! Like the rest of the native mobile app development community, I typically agree with the notion that “native is best” when it comes to mobile apps. After all, these are the technologies we spend tens of hours eve...

There's a class of comment you often see when someone makes a popular thread on Mastodon/Twitter/Threads/etc., that you also see on videos that's basically "Why make a Twitter thread? This would be better as a blog post" or "Why make a video? This would be better as a blog post". But, these comments...

The Free and Open source Software Developers’ European Meeting (FOSDEM) is the largest event in Europe for open source developers to gather, present their current and future projects and also meet old friends and new acquaintances. Best of all, the event is free. It takes place at the Université Lib...

We’re Neon, a cloud-native serverless Postgres solution. With Neon, your Postgres databases and environments are just one click away. You can still benefit from serverless Postgres if your application isn’t serverless. Try using Neon’s serverless Postgres with your long-running applications today. W...

Channel groups are the best way to receive real-time messages on different devices. Let's explore various use cases for this revamped feature.

Channel groups are the best way to receive real-time messages on different devices. Let's explore various use cases for this revamped feature.

This article discuss the reason why I wanted to migrate this blog from Gatsby to Astro and the process I followed to do it. Plus a bunch of interesting and quirky bugs that I had to troubleshoot and fix along the way.

Learn how to build a free real-time chat app using Next.js and PubNub, focusing on creating an engaging and dynamic user experience

Learn how to build a free real-time chat app using Next.js and PubNub, focusing on creating an engaging and dynamic user experience

Over 50 thousand developers visit DavidWalshBlog every month from around the world to learn JavaScript tricks and fix problems in their code. Unfortunately, some of them have a slow experience on the site. David tracks the performance of his Core Web Vitals and overall performance with Request Metri...

An insight into the internals of GraphQL in Postgres using pg_graphql, and how you can contribute.

By this definition, React is a framework.The DefinitionI recently read a definition I like for "framework" vs "library". He acknowledges first that "framework" and "library" are squishy terms. From the htmx blog:Library - 3P code whose API does not significantly influence the rest of the application...

Here's how to quickly delete many local git branches.Over time, as we work, there are many git branches that pile up on our local machine. To see them:git branchDelete One Branch at a TimeTo delete one branch at a time, we name the branch and pass a -D option:git branch -D my-branchDelete Many Branc...

Here's a way to run Elixir tests in watch mode. "Watch mode" is where your tests will re-run automatically when src changes.Start New Mix ProjectThe simplest way to get an Elixir project set up for testing is with mix, which comes with Elixir distributions.mix new my_project3rd-Party Library Support...

Here are a couple ways to run only one elixir test at a time.Start New Mix ProjectThe simplest way to get an Elixir project set up for testing is with mix, which comes with Elixir distributions.mix new my_projectRun All TestsTo run all tests, by default, you run:mix testThis will execute all *_test....

Here's a method for diffing two files side by side in neovim.Git has its own diff, and there are many 3rd-party utilities. But sometimes you want to diff two files that are not under version control. You can use the diff command, but the output is difficult to read.Neovim has its own diff mode (see ...

This is the personal blog of Johannes Brodwall where I write about programming in Java, JavaScript, C# and about Agile Software development. I try to think inside a bigger box Who am I? My salary gets paid by Sopra Steria, Norway’s largest IT consultancy. I’m called a “principal software engineer” s...

Steamboat Willie (1928) was one of the earliest cartoons with synchronized sound. That is, it had post-production sound effects; this was something new and exciting. Now that the cartoon has recently entered the public domain[bbc24] we can safely delve into its famous soundtrack. See, there's someth...

Resurrected! If you’re reading this, and you have visited my blog before, you are probably noticing changes. My blog was suffering from technical debt for years and I finally dealt with it. When I addressed the technical problems of my blog, I wanted to make something that could last without me putt...