## 资讯 ### [A response to recent concerns about security vulnerabilities in AFNetworking](https://gist.github.com/AlamofireSoftwareFoundation/f784f18f949b95ab733a) AFNetworking 2.5.1等版本的SSL Pinning问题，并不是用了AFNetworking就一定不安全，看看官方维护者的辟谣文章。 [GITHUB.COM](https://gist.github.com/AlamofireSoftwareFoundation/f784f18f949b95ab733a) ## 技巧 ### [保护App重要数据，防止Cycript/Runtime修改](https://blog.0xbbc.com/2015/05/%E4%BF%9D%E6%8A%A4app%E9%87%8D%E8%A6%81%E6%95%B0%E6%8D%AE%EF%BC%8C%E9%98%B2%E6%AD%A2cycriptruntime%E4%BF%AE%E6%94%B9/) 文章着重于保护重要数据不被攻击者使用Cycript或者Runtime修改。 [0XBBC.COM](https://blog.0xbbc.com/2015/05/%E4%BF%9D%E6%8A%A4app%E9%87%8D%E8%A6%81%E6%95%B0%E6%8D%AE%EF%BC%8C%E9%98%B2%E6%AD%A2cycriptruntime%E4%BF%AE%E6%94%B9/) ### [Demystifying Retain Cycles in ARC](http://digitalleaves.com/blog/2015/05/demystifying-retain-cycles-in-arc/) Swift版本ARC下如何避免Retain Cycles。 [CASATWY.COM](http://digitalleaves.com/blog/2015/05/demystifying-retain-cycles-in-arc/) ### [WWDC心得与延伸:iOS图形性能](http://www.cocoachina.com/ios/20150429/11712.html) 这篇文章是学习完Advanced Graphics and Animations for iOS Apps这个session后的总结和相应细节的延伸和细化。 [CASATWY.COM](http://www.cocoachina.com/ios/20150429/11712.html) ##代码 ### [Reachability](https://github.com/tonymillion/Reachability#) 支持ARC与GCD，不过使用时请重命名，有应用因为名字被拒。 [GITHUB.COM](https://github.com/tonymillion/Reachability#) ##视频 ### [WWDC app for OS X](https://github.com/insidegui/WWDC) 在OS X上直接观看WWDC 2011到2014年的视频、文档。 [GITHUB.COM](https://github.com/insidegui/WWDC)