JavaScript is a must-have skill for all web developers. The second edition of JavaScript: Novice to Ninja is a fun, practical, and comprehensive guide to the modern usage of this deceptively powerful language.

Blazing fast CSS for your design systems and app components.

Get started with a Terraform. Download a free chapter from O'Reilly's Terraform: Up & Running.

The first 4 prep chapters

There’s a common misconception that you have to be a mathematician to do machine learning, that machine learning is hard. As it turns out, like many frameworks we have for understanding our world, the fundamentals of machine learning are straightforward.

Modern web browsers allow us to access connected media devices like microphones, cameras, and screens through MediaDevices interface. Since Electron uses chromium and Nodejs, [crayon-5bc5aefbc39f93…

Last year, WordPress was responsible for 83% of infected content management sites. Make sure you're not contributing to those infections and learn how to securely manage WordPress.

Claudio Ribeiro shows how you can use explain and indexes to spot and remedy possible performance issues with your database before they strike.

CSS styles isolation is the most frequent start point of the BEM usage. But this is the least that BEM can give you. BEM brings a system approach in your project and keeps it from the mess.

This article about structuring the backend for REST API’s which can be extend to Graphql.

Tonino Jankov shows how to optimize on-the-fly thumbnail generation, reducing request time from 28 to 0.7 seconds with Nginx and pm-static.

Generative art tutorials, news and love.

Tonino discusses ways to tune server performance with Varnish Cache, covering how it works, and its features, setup, monitoring and administration.

Ahmed Bouchefra offers an in-depth exploration of the features of the Chrome DevTools for measuring performance and debugging your web applications.

Let’s say we want to measure the depth of we have an object with mixed nested arrays/objects like so:

This article explains how to use JavaScript modules, how to deploy them responsibly, and how the Chrome team is working to make modules even better in the future.

Tonino Jankov introduces Pingdom, YSlow and GTmetrix and a range of other tools for testing, debugging and fixing website performance.