苹果官网API
http://www.apple.com.cn/developer/mac/library/navigation/ios.html
源码
http://opensource.apple.com/source/objc4/objc4-493.9/runtime/
学习地址
http://blog.csdn.net/namehzf/article/details/6904500
http://developer.apple.com/library/ios/#referencelibrary/GettingStarted/RoadMapiOSCh/chapters/BasicTasks.html
http://www.cnblogs.com/yaski/archive/2009/04/13/1434308.html
动态运行时高级用法
http://www.onevcat.com/2012/04/objective-c-runtime/
http://www.cnblogs.com/kesalin/archive/2012/02/19/cocoa_inside.html
http://blog.csdn.net/zxc110110/article/details/7181249
http://www.cnblogs.com/kesalin/archive/2012/01/19/2338299.html
http://onevcat.com/2013/04/ios-interview/
http://www.cnblogs.com/walaqi/archive/2012/03/13/2394285.html
http://blog.csdn.net/zhangxingping/article/details/6962343
forwardInvocation用法
http://www.oschina.net/question/565065_64490
http://www.cppblog.com/cokecoffe/archive/2012/05/23/175943.html
kvc与kvo 的用法
重点
http://www.cnblogs.com/daisy09/archive/2013/01/22/2871723.html
http://blog.csdn.net/linkai5696/article/details/5936807
http://blog.csdn.net/totogo2010/article/details/7767950
http://www.cnblogs.com/pengyingh/articles/2358684.html
http://www.cnblogs.com/jay-dong/archive/2012/12/13/2815778.html
http://www.cocoadev.cn/Objective-C/KVO-20100222-0627.asp
class和MetaClass的区别
http://www.devdiv.com/home.php?mod=space&uid=30695&do=blog&id=50214
Load和Init的区别
http://www.winddisk.com/2012/08/19/objective-c-class-load-initialize/
内存分析
http://blog.csdn.net/totogo2010/article/details/8233565
mvc
http://qwjcool.iteye.com/blog/265251