upload_download_from_server

use that for adjustament in matriz for espectrus

类似于Pinterest的瀑布墙图片展示demo，精选ios编程学习源码，很好的参考资料。(Similar to the Pinterest waterfall wall pictures demo, select learning IOS programming source code, a good reference.)

去噪工具包，包含了多中去噪方法，主要是基于MATLAB环境下运行。(De-noising tool kit contains a number of de-noising method is based mainly on the MATLAB environment.)

Sample Code which helps to understand how to use LocationManager.

objective-c textfield 下拉菜单实现(objective-c textfield drop-down menu to achieve)

mantle json to model

TabBarCustom (所有TabBar之间切换)，精选ios编程学习源码，很好的参考资料。(TabBarCustom (switching between all TabBar), selection of learning IOS programming source code, a good reference.)

NSString框架的学习，包括NSNumber等 NSString框架的学习，包括NSNumber等(NSString framework of learning, including learning NSNumber etc. NSString framework, including NSNumber etc.)

此项目完整玩具机器人代码和原理，还元器件清单；(This project complete toy robot code and principles, to restore the device list )

MATLAB SIMULINK SIMITH 控制模型(MATLAB SIMULINK SIMITH control model)