10个免费学习编程的好地方

http://blog.livecoding.tv/2015/07/22/10%E4%B8%AA%E5%85%8D%E8%B4%B9%E5%AD%A6%E4%B9%A0%E7%BC%96%E7%A8%8B%E7%9A%84%E5%A5%BD%E5%9C%B0%E6%96%B9/