General computing resources

C++

• http://www.learncpp.com/
• http://www.cplusplus.com/
• Introduction to C++: A video guided tutorial
• MIT OpenCourseWare Intro to C & C++

Fortran

• Fortran Wiki
• http://www.fortrantutorial.com/
• How to learn Fortran

Python

• http://www.codecademy.com/tracks/python
• http://www.learnpython.org/
• http://learnpythonthehardway.org/
• http://inventwithpython.com

Other

• Working as a Software Developer - useful read if you touch any code
• A Guide to Midnight Commander
• UNIX toolbox
• First 5 Minutes Troubleshooting A Server