Cross-platform Programming

Some cross-platform programming IDE & tools:

1) Code::Blocks (an alternative to Microsoft VC++ IDE in Linux or even Windows): http://www.codeblocks.org/
2) wxWidgets (cross-platform GUI programming library): http://www.wxwidgets.org/downloads/
3) ...

RegEx online

Link: http://regex101.com/
Intro: a great online tool for testing your regular expression.
Complete Tutorial: http://www.princeton.edu/~mlovett/reference/Regular-Expressions.pdf

Some useful C++ programming libaries

1) http://partow.net/programming/
2)

CMPH

Link: http://cmph.sourceforge.net/

Intro: A perfect hash function maps a static set of n keys into a set of m integer numbers without collisions, where m is greater than or equal to n. If m is equal to n, the function is called minimal.

HandAlign

Link: http://www.umiacs.umd.edu/~hal/HandAlign/index.html
Intro: a tool to assist manual alignment in MT, summarization, ...

Pure for simple CSS

Link: http://purecss.io/
Intro: A set of small, responsive CSS modules that you can use in every web project.

Kaggle

Link: http://www.kaggle.com/competitions
Intro: A platform for paid problem solving around the world.