https://zhuanlan.zhihu.com/p/27438946
1、优化UGUI的ScrollRect:
http://qiankanglai.me/2015/08/15/LoopScrollRect/
http://blog.csdn.net/dingxiaowei2013/article/details/70769892
2、Remove、Replace、Substring
3、C# 中奇妙的函数–7. String Split 和 Join
http://www.cnblogs.com/multiplesoftware/archive/2011/09/17/2179380.html