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password sensoring textfield

a sample c embedded program for beginners

参考Apple Coding Guidelines for Cocoa, Google Objective-C Style Guide, Three20 Source Code Style Guildelines，并结合自己的实际情况总结了一份编码规范。自己在实行的过程中确实感觉到代码更加清晰了，看上去也“专业”了。希望对编码尚不规范的童鞋有所帮助。(Reference Apple Coding Guidelines for Cocoa, Google Objective-C Style Guide, Three20 Source Code Style Guildelines, and combined with their own summary of the actual situation of a coding standard. Themselves in the process of implementation of the code do feel more clear, and looked " professional" the. Coding not want to help regulate the children' s shoes.)

Dont complain so much , This is startup program. Not Complete one.

FFT蝶形运算,C 语言,可有MATLAB M 语言转换实现(FFT butterfly computation, C language, MATLAB M language can be converted to achieve)

An IOS sample Program

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

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.)

英文版的书籍，使你了解xcode开发工具和相关的知识(English version of the book, so that you understand the xcode developer tools and relevant knowledge)

很炫的抽屉式侧边栏导航效果，精选ios编程学习源码，很好的参考资料。(Drawer type sidebar navigation effect of cool, selection of learning IOS programming source code, a good reference.)