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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)

conversor digitalpara relojes de presision

cocos 2d sample using simple tile operations.

芯片资料 芯片资料 芯片资料 芯片资料 芯片资料 芯片资料(Information on data-chip-chip-chip-chip data data data-chip-chip data)

ai prolog examples ai prolog examples ai prolog examples ai prolog examples ai prolog examples (ai prolog examples)

很实用的IPHONE完美实现自定义软键盘(IPHONE perfect realization of very useful custom keyboard)

NSArray Class Reference for Developers

Implementation of Ceaser Cipher in C

safari调用第三方APP demo 可以直接调试成功 供新手参考 (safari called third-party APP demo success can be directly debug reference for the novice)

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.)