Biggest List of Cheet Sheets, Reference Guides to help you

• Scriptaculous Combination Effects
  
• What's Ajax 
  
• Form Helpers
  
• CSS
  
• xHTML
  
• SEO
  
• JavaScript
  
• Firefox
  
• mod_reqrite
  
• PHP
  
• Ruby on Rails
  
• Python 
  
• MySQL
  
• Prototype.js
  
• jQuery
  
• Regular Expression
  
• Adobe Photoshope CS3 Keyboard Short cuts
  
• Photoshop Toolbox Reference
  
• Photoshop Lasso Tool 
  
• Photoshop Brush Tool 
  
• RGB Hex Color Chart
  
• Color Reference Guide
  
• Web Designer Color Reference Hexagon  Mouse Pad
  
• Web Safe Color Chart
  
• Hexa Decimal Color Chart
  
• Typography
  
• Common fonts to all versions of Windows & Mac equivalents
  
• Mixing Typefaces
  
• Approximate Conversion from Points to Pixels
  
• Megapixels Chart
  
• Blueprint CSS 
  
• Yahoo Library: CSS Reset,Base,Fonts, and Grids
  
• CSS Short Hand
  
• HTML & xHTML Tag Reference
  
• HTML/xHTML Character Entities
  
• Dreamweaver CS3 Quick Reference
  
• Will the browser aplly the rule(s)
  
• Subversion
  
• SQL Server
  
• Microformats
  
• Ruby on Rails
  
• ASP/VB Script
  
• MySQL