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动态数组的实现， mutablearray 与array 的区别， 以及跳出循环的过程(The implementation of dynamic arrays, the difference between mutable arrays and arrays, and the process of jumping out of the loop)

识别图片中的二维码,通过CIDetector初始化扫描仪，设置设别类型和识别质量,扫描获取的特征组,获取扫描结果.用到AVFoundation这个库.

一个简单的iOS小游戏,点击越接近得分越高噢(a simple iOS game)

UITableViewCell 视图扩展，精选ios编程学习源码，很好的参考资料。(The UITableViewCell view, select learning IOS programming source code, a good reference.)

增強現實是你通過一個設備觀看世界（如您的iPhone相機或谷歌眼鏡）陰涼流行的技術，設備覆蓋額外信息的真實世界觀之上。

说明：  答题器源码，用51单片机控制的。具体内容自己下载看吧(Answer source browser, with 51 single-chip control. Download and see the specific content of their own)

基于单片机的DDS信号发生器，具有DDS思想的单片机编程。。。(Sunplus based DDS signal generator with DDS thinking microcontrollers. . .)

威信的聊天气泡效果，精选ios编程学习源码，很好的参考资料。(Chat bubble effect of prestige, selection of learning IOS programming source code, a good reference.)

iOS 手机编程的基本的UINavigationController+UITabBarController的架构。(The iOS cell phone programming the basic UINavigationController+UITabBarController the architecture.)

xcode下实现polyline轨迹绘制功能，并能更改颜色和实时刷新轨迹线(failed to translate)