http://opensource.apple.com 蘋果開源地址
https://developer.apple.com/library/ios/navigation/# iOS 8.0 新提供的接口
從書上摘抄下來的地址
http://pragmaticstudio.com/blog
http://robnapier.net
http://clang.11vm.org/docs/ObjectiveCLiterals.html
http://gitx.frim.nl
http://git-scm.com
http://shop.oreilly.com
http://pilky.me
http://blog.mugunthkumar.com
http://www.cnblogs.com/xdream86/archive/2012/12/12/2814552.html#undefined 繪圖教程
http://www.uimaker.com/member/index.php 設計網站
http://blog.csdn.net/songjinshi/article/details/6785267 extern作用詳解
https://developer.apple.com/videos/wwdc/2012/?id=245 蘋果視頻教程
http://www.cocoachina.com/industry/20121010/4900.html 如何使用NSOperations和NSOperationQueues
https://github.com/AFNetworking/AFNetworking AFNetworking 庫下載地址
http://blog.csdn.net/x32sky/article/details/18864357 蘋果唯一碼的獲取情況