Web developer cheat sheets AND the guide to GET vs POST

Website programming articles: I read the article about 30 Web Developer Cheat Sheets, and here are some of these:

• PHP + MySQL Cheat Sheets
  - Added Bytes - PHP Cheat Sheet v2
  - Blue Shoes - PHP Online Cheat Sheet
  - WebCheatSheet - Regular Expressions Online Cheat Sheet
  - AddedBytes - Regex Cheat Sheet (PDF)
• Javascript and AJAX libraries
  - Javascript Reference Card
  - Javascript and Browser Objects Quick Reference
  - jQuery API Browser
  - MooTools Cheat Sheet
• HTML and CSS Cheat Sheets
  - HTML Cheat Sheet - PDF/PNG
  - CSS Cheat Sheet PDF/PNG
  - CSS 3 Cheat Sheet
• Photoshop and Illustrator Cheat Sheets
  - Photoshop CS4 Cheat Sheet
  - Online Adobe CS4 Cheat Sheet
  - Illustrator Short Cuts Cheat Sheet
  - AI Shortcuts Cheat Sheet - PDF
• Misc Cheat Sheets
  - The WordPress Help Sheet
  - SEO Cheat Sheet
  

and many other tips - check out the 30 Web Developer Cheat Sheets online.

In php programming - very useful - The Definitive Guide to GET vs POST via the carsonified blog.
Rule #1: Use GET for safe actions and POST for unsafe actions.

• GET requests can be cached
• GET requests can remain in the browser history
• GET requests can be bookmarked
• GET requests can be distributed & shared
• GET requests can be hacked
  

GET vs POST Extended
Rule #2: Use POST when dealing with sensitive data.
Rule #3: Use POST when dealing with long requests.
Rule #4: Use GET in AJAX environments.
Read more about this guide to GET vs POST in php/mysql programming online.