Programming

If you don't know what programming is, you need to leave.

C

• http://www.cprogramming.com/tutorial/c-tutorial.html
• http://www.iu.hio.no/~mark/CTutorial/CTutorial.html
• http://www.computerscienceforeveryone.com/
• http://www.slideshare.net/olvemaudal/deep-c

C++

• http://www.cplusplus.com/doc/tutorial/
• http://www.cprogramming.com/tutorial/c++-tutorial.html
• http://www.cs.washington.edu/homes/tom/c++example/c++.pdf

JavaScript

• http://www.codecademy.com/tracks/javascript

PHP

• http://www.codecademy.com/tracks/php

Python

• http://docs.python.org/2/tutorial/
• http://www.codecademy.com/tracks/python
• http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00-introduction-to-computer-science-and-programming-fall-2008/

Ruby

• http://www.codecademy.com/tracks/ruby
• http://tryruby.org/