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My iPhone 5 lock button is not working properly, so I wrote this application.Locking the iDeviceSince I want to lock the device, I need to be able to trigger the same functionality iOS does when the lock button is hit. However, Apple does not play n

Step #1. Starting off, you need to take a backup of your iPhone using iTunes. The backup must be unencrypted.Step #2. Next, you have to download and install iBackupBot on your Mac/Windows.Step #3. Now, launch iBackupBot and select your backup.St

Mac SpringBoardService函数：SBAppWillOrderInContextForDisplay                           SBAppDidOrderOutContextForDisplay                  

1) 打印出完整的视图层次结构po [[UIWindow keyWindow] recursiveDescription]2)检查视图控制器po [[[UIWindow keyWindow] rootViewController] _printHierarchy]

__COUNTER__ 无重复的计数器，从程序启动开始每次调用都会++，常用语宏中定义无重复的参数名称 __FILE__：当前文件的绝对路径,常见于log中 __LINE__：展开该宏时在文件中的行数,常见于log中 __func__：所在scope的函数名称,常见于log中；这个常用来打印调用方法的函数名

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公开的api如果只是想获取已连接的wifi信息。apple已经有公开的api可以使用.首先需要#import <SystemConfiguration/CaptiveNetwork.h>+ (id)fetchSSIDInfo { NSArray *ifs = (id)CNCopySupportedInterfaces(); NSLog(@"%s: Supported interfaces: 

最近开发中为了方便自己测试，准备弄个简单业务错误日志统计。由于只是测试用，况且出现我认为可能错的情况几率很小。想在不改变现有代码的情况下，直接获取NSLog内容。查了些资料，知道NSLog输出的内容会写到控制台和系统日志（ASL）里面。我就想在输入到ASL的时候把特定的数据给保存下来。但是我无法知道NSLog什么时候输出内容，看到网上开源的DDLogger的源码，找到了解决的方法。原来只是需要注册下系统的通知就可以拿到输出的时机，然后通过<asl.h>提供的方法去操作系统设备log。

How to notify from one of your app to be notified from your another app.This was one of problem I faced while I was working on iOS8 new feature extensions (Document Provider Extension).When you add any extensions to your project you have add it