一些网站

http://www.cocoachina.com/bbs/read.php?tid-332446.html

工具库

http://tools.cocoachina.com/

http://www.oschina.net/p/nmrangeslider?fromerr=JmAiqfqX

http://blog.csdn.net/ysy441088327/article/details/8992393

http://blog.csdn.net/ajrm0925/article/details/7431982

http://blog.csdn.net/hwj2012/article/details/9764807

使用Xcode和Instruments调试解决iOS内存泄露

http://blog.csdn.net/woaifen3344/article/category/3051747