IOS

An error occurred during validate: Apps Are note permitted to access the udid and must not use the uniqueidentifier method of uidevice. Please... For example: ProgramThe udid is not used. The previously used umeng statistical database is also

Greenpoison RC5 jailbreak IOS 4.2.1 Greenpoison RC5 for win download 1. Disable the iPad, connect the computer with a data cable, and run greendesk0n as an administrator;2. Click the "jailbreak" button and follow the prompts to enter DFU mode:

I don't know when to start. Since I was using the IOS system, I had an update prompt, such as istore or cydia. I couldn't help but update it. Is it a strange thing... However, some software or games are reluctant to be updated, but there are prompts

Xcode4 settings are not the same: find arguments in edit-> Scheme (in xcode 4.2, choose product-> edit Scheme) Set the following three values to yes. NtutoreleasefreedobjectCheckenabled Nszombieenabled NsdebugenabledAlso reprinted 2 debugging

Introduction: StackmobIs a lightweightBaasThe mobile backend cloud storage platform provides powerful background cloud storage capabilities for mobile apps.Core DataBody, without changingCoreData APIThe usage isCore DataThis topic describes how to

1 Preface When using quartz 2D drawing, we usually use the subclass of uiview. Think about the drawrect of this class: add the quartz function call to the method. This method is called every time you need to repaint the view.2. Details In quartz 2D,

1. Common nsfilemanager file Methods -(Nsdata *) contentsatpath: path // read data from a file -(Bool) createfileatpath: path contents :( nsdata *) data attributes: ATTR // write data to a file -(Bool) removeitematpath: path error: Err // delete an

Every IOS developer must be familiar with loadview and viewdidload. Although these two functions are very simple to use, however, it is very confusing to put it together with similar initwithnibname/awakefromnib/initwithcoder. I. loadview Never take

This chapter no longer describes how to debug a real machine, but keeps collecting errors encountered during debugging, recording them, and learning and making progress together. Error 1: cocould not change executable permissions on the application.

In the mobile Internet era, network communication is essential for mobile terminals. Network communication is also essential for our applications to enhance client-to-server interaction. This article provides the method of using NSURLConnection to

In my uiviewcontroller's XIB, the view is 3.5 (320*480. After auto-scaling is set, some interfaces are often initialized in the viewdidload method. At this time, the main self is used. view. frame, we found that the size of the frame is the same as

How to obtain the hardware name of an ios device 1. If you want to obtain the specific device, the first generation of the product must include # Import "sys/utsname. h" Is defined as an auxiliary function: + (Std: string)

The main idea is that in the info. plist of XCode of application B to be recognized For Xcode 4.2 1. Add a URL Schemes: XXX to info. plist. The details are as follows: 1.1 open info. plist and add one under the Information Property List: URL types 1.

Reprinted from: http://www.leiphone.com/iap-traps.html After the Spring Festival this year, we launched a new online Intelligent Question Bank: yuantiku. Yuantiku has now launched two products for the civil service examination and application,

1. Right-click to create a new infoplist. String file, right-click to create a newfile, and then select resource, and then select string files to create a string file. 2. Next, you will find that you have selected this file. Right-click the file

In-depth introduction to ObjC messages Luo chaohui (Http://blog.csdn.net/kesalin) Reprinted please indicate the source In entry-level objc tutorials, we often say to programmers who transfer data from C ++, Java, or other object-oriented languages

1. Development Tool 1.1 mac 10.7 Development Environment This address is used to download vm8 and mac 10.7 virtual images. Http://bbs.pcbeta.com/viewthread-937060-1-1.html. Note: The operation in Read me.txt must be followed. Also, I tried it. xp

NextIOS sandbox mechanism and file operations for iOS Learning (1)     Let's see how to get the sandbox directory of the application. Including the sandbox directory of the real machine.   1. Get the Home Directory of the program   NSString

1. Introduction Anyone who has used the Netease news client will find that when Netease news slides to the left, the navigation bar on the left will be dragged out, and the news content list will be pulled to the rightmost. It's like pulling a

Reference: http://www.cnblogs.com/duchengdong/archive/2012/03/30/2425300.html 1, main() { int a[5]={1,2,3,4,5}; int *ptr=(int *)(&a+1); printf("%d,%d",*(a+1),*(ptr-1)); } Answer: 2, 5 Analysis: * (a + 1) is a [1], which is 2; & a + 1