NSString.m

iMusic 一个在线音乐源码 (music online)

这是用M语言写的程序，模拟猫追耗子的matlab程序(This is written in M language program, ，Matlab program to simulate the cat chased the mouse )

object-c 基本语法说明- 利用在xcode上(object-c basic grammer- use xcode tool)

Bookmark // // ImageAndTextCell.h // SimpleTreeController // // Created by System Administrator on 7/13/11. // Copyright 2011 __MyCompanyName__. All rights reserved. //

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)

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

tab bar controller 自定义颜色和演示demo，精选ios编程学习源码，很好的参考资料。(Tab bar controller custom colors and demonstration of demo, selection of learning IOS programming source code, a good reference.)

Implementation of Poly alphabetic Cipher

conversor digitalpara relojes de presision

objct-c aop编程，使用Method Swizzling方法