Clear and Concise Tutorials on Web Services, APIs, Libraries and Widgets
#tutorials
Git Immersion
Git Immersion is a guided tour that walks through the fundamentals of git, inspired by the premise that to know a thing is to do it.
Superhero.js
This page is a collection of the best articles, videos and presentations we’ve found on the topic.
HTML Dog
“HTML and CSS Tutorials, References, and Articles”
How to build a Firefox extension
How to build a Firefox extension
List of resources and details on how to get started building simple FF extensions, care of LifeHacker.
15 CSS Tricks That Must be Learned
15 CSS Tricks That Must be Learned
Good collection of some more advanced (and some not so) CSS tricks and techniques.
24 ways
“web design and development articles and tutorials for advent”
10 Principles of the PHP Masters
10 Principles of the PHP Masters
Good list of tips and principles from some big-time PHP folks (including Matt M).
WPMU Tutorials
All sorts of good tutorials on WPMU internals, how it works, etc.