Codepip
Learn to code by playing games.
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Web Browser Engineering
Web browsers are ubiquitous, but how do they work? This book explains, building a basic but complete web browser, from networking to JavaScript, in a thousand lines of Python.
Oh My Git!
An open source game about learning Git! Oh My Git! is an open source game that introduces players to the popular version control system "Git". It is highly interactive, and aims at building intuition for operations like "merging" or "rebasing" branches. Players are guided through the features of Git step by step â each level tells a little story where the player can use their new-found powers to solve problems or help others.
CUBE CSS
CUBE CSS is a CSS methodology thatâs orientated towards simplicity, pragmatism and consistency. Itâs designed to work with the medium that youâre working inâoften the browserârather than against it.
Cheat
cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.
Regex Crossword
A fun spin practicing regex. Build your skills by playing Regex Crossword.
Flexbox Defense
Your job is to stop the incoming enemies from getting past your defenses. Unlike other tower defense games, you must position your towers using CSS!
Learn Eleventy From Scratch
In this Eleventy (opens new window)course, we go from a completely empty directory to a full-blown marketing site for a design agency, and along the way, we dive really deep into Eleventy and front-end development best practices.
Learn CSS Grid
Learn CSS Grid with Wes Bos in 25 "pretty good" videos. From fundamentals to real world in about 4 hours.
Explain Shell
Write down a command-line command to see the help text that matches each argument.
Cloudflare TV
A 24x7 live stream video channel focused on general and technical topics related to building a better Internet.
Lightning-Fast Web Performance
A free online lecture course by Scott Jehl. Learn to analyze site performance, fix issues, monitor for regressions, and deliver fast, responsive designs from the start.
CSS Hell
Collection of common CSS mistakes, and how to fix them.