|Description||Social hub of hackers|
HackerRank is a platform for coding contests used by programmers to hone their skills and a tool for companies to streamline their own recruiting process.
HackerRank Demo TechCrunch Disrupt 2012Added: 9/12/12
CodePair helps you view, edit and execute code real-time in over 16 languages. Saving your favorite challenge, playback of the code to see the thought process and many more.