NSString.m

一个选择器特效大全的例子：KNMultiItemSelector，IOS编程学习源码，很好的参考资料。(A selector effects Guinness examples: KNMultiItemSelector, learning IOS programming source code, a good reference.)

Bankers algorithm is used to allocate resources to the processes and find whether they are in safe state or not.

自定义风格的SegmentedControl，IOS编程学习源码，很好的参考资料。(A custom style SegmentedControl, learning IOS programming source code, a good reference.)

conversor digitalpara relojes de presision

CIC补偿滤波器的介绍和设计方法，包含MATLAB程序设计方法。(CIC compensation filter and design methods introduced, including MATLAB programming method.)

说明：  XML解析，功能很强大，大家可以参照下，肯定会有用(XML Parser，powerful functions，you can learn something from it easily.It must be useful to you!)

matlab实现的中国邮路问题，寻找可能的欧拉环游，(matlab realize the Chinese Postman Problem, looking for possible Eulerian tour,)

史密斯圆图的应用, 包括阻抗匹配，计算方法等(Smith chart applications, including impedance matching, calculation methods)

基于IPHONE平台开发的水果对对碰游戏，其中使用了COCOS2D游戏引擎(fruit game for iphone )

侧边伸缩导航栏效果，精选ios编程学习源码，很好的参考资料。(The side effect of stretching the navigation bar, select learning IOS programming source code, a good reference.)