Programming Challenges:

This reddit page has other sites like codeeval where you can do programming challenges. Trying to branch out and learn more: http://www.reddit.com/r/programming/comments/2kax45/the_algorithms_required_to_solve_all_problems/ http://codefights.com/ http://coderbyte.com/ http://www.hackerearth.com/ https://www.codeeval.com/ http://www.checkio.org/ http://cyber-dojo.org/ http://www.codechef.com/ https://code.google.com/codejam/contests.html http://www.codewars.com/ https://open.kattis.com/ http://www.codingame.com ttp://acm.timus.ru http://uva.onlinejudge.org/ www.codeabbey.com http://www.topcoder.com/tc /r/dailyprogrammer Hackerrank and leetcode .com http://www.azspcs.net/ http://icfpcontest.org/ http://poj.org/ Codeforces beats em all!