About iPhone multi-touch

Although this problem is very simple, it has been a long time for cainiao I have been in contact with for two days. I cannot find the relevant solution on the Internet. To avoid other people like me, record it. The tutorials found on the Internet

IOS Orientation, how can I convert it ~~~

This blog post is mainly for IOS apps and is a summary of the problems related to screen rotation. The main content is: Blog: http://www.cnblogs.com/jhzhu Email: jhzhuustc@gmail.com Author: Zhi Ming-so Time: Three ways to change

Server Installation notes

Apache + PHP + MySQLNote:Sudo indicates that the command is executed with the administrator privilege to protect the system files from being damaged. Using sudo requires a password.I. vi shortcut keys. vi has two statuses: View status and edit

IOS-UIButton/UIImageView/UISlider/UISwitch

  1. CGRect frame 1> indicates the position and size of the control (with the upper left corner of the parent control as the coordinate origin (0, 0 )) 2> modify this property to adjust the widget's position and size.   2. CGPoint center 1>

Cocos2dx xcode5 create a project

My development environment is MacBook Pro OS X 10.9.1 and Xcode5. Download cocos2dx and decompress it. The version I used is 2.2.1 and the 3.0beta version is not available yet. Terminal cd to cocos2d-x-2.2.1/tools/project-creator, my full path

Comparison and implementation of iOS-NSThread/NSOperation/GCD multithreading Technologies

    Each NSThread object corresponds to a thread. NSOperation/NSOperationQueue object-oriented Thread Technology (distribution) is based on the C language framework and can make full use of multiple cores, is a multithreading technology recommended

Common Methods of iOS JSONKit

During project interaction with the server, json Parsing is often required. If someone wants to parse JSON, JSONKit can be a good choice. You can download JSONKit from gitHub at: JSONKit After the project is added, set JSONKit to a mode that does

IOS NSConditionLock condition lock NSCondition asserted

NSConditionLock condition lock NSCondition assertedNSConditionLock inherits NSObject-compliant protocols NSLocking NSObjectThe NSConditionLock class defines specific and user-defined conditional locks.Protocol NSLocking method lock unlock//

[Classroom practices and projects] synchronization between IOS multithreading threads (thread security)

There are two main ways to control the atomicity of thread synchronization/security. 1: NSCondition object 2: NSLock object The two locks are used in the same way. While (TRUE) {[lock]; // [_ ticketCondition lock]; if (numberOfTickets> 0)

IOS: xib custom view template note

# Import "CustomView. h "@ interface CustomView (Private) @ property (nonatomic, weak) IBOutlet UIButton * btnNew; @ property (nonatomic, weak) IBOutlet UIButton * btnEdit; @ property (nonatomic, weak) IBOutlet UIButton * btnDelete; @ property

Description of the Lua source code file

LuaLanguageSource code fileIt means the content to be introduced in this article, mainly to learnLua source codeMediumFileFor more information, see the description in this article. Ldebug. c-debugging interface: contains the function used to access

Explore Lua automatic binding system problems

AboutLuaAutomaticBinding SystemThe question is what this article will introduce, becauseGamesContent is growing much faster than before, so programmers cannot completely control all code actions. They need otherGamesDeveloper help. Script Language

Mysql Proxy Lua read/write splitting settings

Mysql Proxy LuaRead/writeSeparationSettings are the content to be introduced in this article.Mysql ProxyOfMysql isolationSettings for MySQL read/write in the futureSeparationFirstMySQLOfficialMysql ProxyThe product was initially tested. The

Use the Lua method in multiple threads

InMultithreadingUsed inLuaThe method is the content to be introduced in this article, as you know, until now lua 5.1,LuaThe functions in are not provided with thread-safe implementation. So ifMultithreadingWhen you access lua_State in, unexpected

Solutions to several common problems with jQTouch

Recently, I was developing a website for the iPhone version and came into use with a jQuery plug-in called jQTouch. This plug-in is specifically designed for iPhone jQuery. However, many problems have been encountered during use, most of which are

XCode 4.2 (4.1) real machine debugging and IPA generation

There are many articles on xocde3.x real machine debugging on the Internet, but there is little xcode4.2 related information. After reading some articles, you can finally debug the real machine on xcode4.2, which is recorded here. As we all know,

Go deep into iOS 5: parse two hidden features

JSON serialization The NSJSONSerialization class is added to iOS 5. JSON and Foundation objects can be converted to each other. Let's take a look at the code example of an image: {"taken": "2011/07/13" "width": "3072", "height": "2304",

10 Cocoa and Objective-C development difficulties and problems that confuse new users

1. C, C ++ baCkground Many people ask, "I don't want to learn C, but I don't want to learn Objective-C" Here is a few simple sentences: Objective-C 90% code is C, and many open source code are C and C ++. You cannot learn C well. You can only be a

10 design principles for iOS Application Development

1. Easy to operate The Control Design of iOS applications should have a sleek profile and a stylized gradient for easy operation. 2. Clear structure and convenient navigation Make full use of the iOS navigation bar. Arrange all navigation in a

Actually recovered IOS 2950 vswitch

I tried to use two switches for an experiment. However, after entering one of the switches through the console port, I found that the IOS file of the switch was lost. After entering the switch normally, it should first enter the user mode, and the

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