On C++
namespaces
Mummit's STL newbie guide
A little advanced for me right now, assumes basic knowledge of STL, but
includes some common problems to watch out for such as pointer problems.
CS
225 unix tutorial
Emacs
tutorial">Emacs tutorial
Latex
Tutorial
WYSIWYG tex tool
Good list of OO C++ lectures
Potentially useful site on mesh quality in Cubit