https://www.hackerrank.com/ – HackerRank http://www.spoj.com/ – Sphere Online Judge http://hkoi.org/en/past-problems/ – Hong Kong Olympiad in Informatics Problems http://hkoi.org/en/final-event-solutions/ – Hong Kong Olympiad in Informatics Solutions https://uva.onlinejudge.org/ – UVA Online Judge http://poj.org/ – Peking University Online Judge http://codeforces.com/ – CodeForces https://www.topcoder.com/ – TopCoder https://www.codechef.com/ – CodeChef http://rosettacode.org/wiki/Category:Programming_Tasks – Rosetta Code https://projecteuler.net/ – Project Euler http://www.codeabbey.com/ – CodeAbbey […]

http://fossbytes.com/10-most-popular-programming-languages-of-2015-fossbytes/ Programming Language People Wanted To Learn The Most In 2015: Java Python C C++ JavaScript PHP Ruby C# CSS Swift I am not familiar with Java but I know Python, C++, Javascript, PHP, and CSS, although CSS is not a programming language but a style sheet language. But whatever language you use, you operate […]