Online terminal and IDE: http://www.tutorialspoint.com/codingground.htm
SDL Game Programming: http://lazyfoo.net/SDL_tutorials/index.php
SDL Capture Keypress: http://sdl.beuc.net/sdl.wiki/SDLKey
OpenGL Programming: http://www.videotutorialsrock.com/
Bit Manipulation in C: http://graphics.stanford.edu/~seander/bithacks.html
Makefile Intro from O'Reilly Media: http://linuxdevcenter.com/pub/a/linux/2002/01/31/make_intro.html
Pointers and Memory: http://cslibrary.stanford.edu/
EFnet #C++ wiki: http://www.efnetcpp.org/wiki/Main_Page