What are the Web sites that programmers should go to?

"Reprinted from" Www.quora.com
To be a good programmer, have a certain talent and often communicate with the great God. Then more practice is the kingly way. Here are some Quora users recommend foreign sites, with the vast number of programmers or friends who want to learn programming to share:
1) Programming exercises and Contest classes
http://www.codechef.com/
http://www.spoj.com/p/
http://programmingpraxis.com/
Http://projecteuler.net/about
http://www.topcoder.com/
http://codeforces.com/
http://www.hackerearth.com/
http://www.pythonchallenge.com/
https://www.hackerrank.com/
http://leetcode.com/
Bó Lè Headlines Add to the big collection of programming contests and logical questions sites
2) Tutorial Class
http://www.learnstreet.com/
http://www.geeksforgeeks.org/
http://www.codeschool.com/
Http://graphics.stanford.edu/~seander/bithacks.html#CopyIntegerSign
http://www.stanford.edu/class/cs97si/
Http://pratikpoddarcse.blogspot.in/search/label/EasyPuzzles
http://sbjoshi.wordpress.com/
http://www.good-tutorials.com/
3) Community Exchange class
https://www.quora.com/
http://stackoverflow.com/
https://github.com/
Http://www.careercup.com/page
https://geekli.st/
http://www.reddit.com/r/programming/
4) must-read articles
1. Peter Norvig: Self-taught programming, ten years of sharpening a sword
2. "Puzzle Websites to sharpen Your programming Skills"
(Of course, there are a lot of Quora in the recommended sites, interested in reading the original to see) read the original»https://www.quora.com/what-are-the-best-websites-a-programmer-should-visit
›rss subscribed to Bó Lè headlines and found valuable content and ideas.