I found these cheat sheets on this site and here. A cheat sheet is a condensed (normally 2 A4 sides) set of notes for an aplication or programming language. They are not designed to be notes in themselves, they are more an aide-mémoire to help you recall how to do something.
There are a lot of languages here but I thought it was worth keeping the list intact. There is a lot in here that is in the course so make sure that you read the entire list.
Command Line
- Windows NT/XP Command Line Reference
- BASH Command Line Reference
- DOS Commands
- Git Command line Cheatsheets
- Linux Command Line Reference
Databases
- MySQL Reference List
- Oracle Cheat Sheet
- Oracle 9i Command Reference
- PostgreSQL Cheat Sheet
- SQL Server 2005 Commands
Programming
- Ada Syntax Card (PDF)
- C++ Language Summary
- Delphi Technical Reference Card (PDF)
- Java Syntax Cheat Sheet
- Our Favorite Cheat Sheets – whatis.techtarget.com
- Java Reference for C++
- JSP 2.0 Syntax Reference Sheet (PDF)
- LaTEX Reference Card (PDF)
- PERL Cheat Sheet
- PERL Reference Guide
- PHP Developer Cheat Sheet
- Python Cheat Sheet
- Ruby Reference
Unix/Linux
Web Development
- CSS Shorthand Guide
- Drupal 4.7 Cheat Sheet
- HTML Cheat Sheet
- JQuery Cheat Sheet (PDF)
- JQuery Reference (PDF)
- Scriptaculous Combination Effects Field Guide (PDF)
- XHTML Reference
- XHTML & HTML Cheat Sheet
- XML Syntax Quick Reference (PDF)
- XML Schema Reference (PDF)
- XSLT and XPath Quick Reference (PDF)
Miscellaneous Topics
- Ascii Codes Cheat Sheet
- CVS Cheat Sheet
- Theoretical Computer Science Cheat Sheet (PDF)
- UML Quick Reference Card (PDF)
- UML Cheat Sheet
- Vi Cheat Sheet
- Linux Commands
- Awesome Git Cheatsheet
- Learn X in Y minutes
- Programming Cheat Sheets – cheatography.com
- Best Programming Cheat Sheets
- VIM Cheat Sheet – vim.rtorr.com
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OverAPI.com – Collecting All Cheat Sheets
