Lets face it, unless you have a photographic memory, no developer can remember all the different functions, options, tags, etc. that exist. Documentation can be cumbersome at times, thats why I like cheat sheets. They are quick references that feature the most commonly forgotten things on a specific topic. You can print them out and hang them on your wall, or just keep them handy in your bookmarks for quick reference.
I have rounded up over 30 cheatsheets that developers might find useful.
Web Development Cheat Sheets
Databases / SQL Cheat Sheets
Language Cheat Sheets
Version Control Cheat Sheets
Commercially Printed CheatSheets
- TechnoChallenged - web dev, programming, os, software
Am I missing any good ones? Feel free to post any others in the comments.