IOS

Objective-C fileLoading and saving are the content described in this article,CocoaProvides Core Data to process allFileContent, but this chapter discusses two commonFileProcessing class: attribute list and object encoding. Attribute list There is a

Objective-C Memory ManagementHow to understandAutoreleaseIs the content to be introduced in this article, mainly to learnAutoreleaseFor details about how to use it, refer to this article. If you can really understandAutoreleaseSo you

Objective-C ConstructorIs the content to be introduced in this article, mainly to understandConstructorIt is a special method used to initialize object data when an object is created. The constructor returns a pointer to the object. We can call the

IOS developmentApplicationWindowThe case details are the content to be introduced in this article, mainly to understandIOS developmentMediumWindowImplementation and event usage. For details, see the details. 1. An iOS program usually has only one

IPhone applicationsUsing MPMoviePlayerControllerVideo PlaybackThis article focuses on how to use MPMoviePlayerController Based on code.Video PlaybackFor details, -(Void) openMovie :( id) sender { NSString * path = [[NSBundle mainBundle]

Objective-C 2.0 garbage collectionIs the content to be introduced in this article, mainly to learnObjective-C 2.0 garbage collectionFor more information, see this document.Objective-C 2.0The biggest possible enhancement isGarbage CollectionGarbage

Xcode 4CreateStatic LibraryThe detailed description is the content to be introduced in this article, mainly for the sake of code confidentiality or code reuse, and so on, we need to package the existing codeStatic Library.Static LibrarySo today we

Objective-C memoryThe management mechanism is the content to be introduced in this article. Recently, the iphone platform is quite popular, and everyone is on it. However, it seems that many programmers are transferred from Java and are used to Java.

SqliteHowIOS developmentApplication is the content to be introduced in this article, mainly to learnIOS developmentMediumSqlite Database.Sqlite DatabaseInitialize, copy to the user directory, and determine whether or notDatabaseAlready exists, or is

LuaAboutFunction libraryBasic operation learning notes are the content to be introduced in this article.Function libraryInLuaFor more information, see the detailed description. BasicFunction libraryIsLuaBuilt-inFunction library, No additional load

C ++PassedLUA APIAccessLUA scriptVariable learning is the content to be introduced in this article. It is mainly used to learn about stack operations and data type judgment.LUA APIYou can use these functions to obtain the variable values in the

Determine whether a valid email address is used. -(BOOL) is_email_can_be_open :( NSString *) email{If (0! = [Email rangeOfString: @ "@"]. length) & (0! = [Email rangeOfString: @ "."]. length )){NSMutableCharacterSet * invalidCharSet =

the status bar of the iPhone can be set to semi-transparent. As we all know, when switching pages using UINavigationController, if the view of your sub-viewController is full screen (480*320), there will be misplacement, which means that the

MPMediaQuery * myPlaylistsQuery = [MPMediaQuery songsQuery];NSArray * playlists = [myPlaylistsQuery collections];For (MPMediaPlaylist * playlist in playlists ){NSArray * songs = [playlist items];For (MPMediaItem * song in songs) {Song * song1 =

When the application is suspended rather than permanently exiting, all the validity of the application will be suspended. In this case, if you need to play audio or video, you need to activate the play "single routine ", to ensure that the playing

Here is an example:Match the Regular Expression of 9-15 strings consisting of letters/numbers:NSString * regex = @ "^ [A-Za-z0-9] {9, 15} $ ";NSPredicate * pred = [NSPredicate predicateWithFormat: @ "self matches % @", regex];BOOL isMatch = [pred

Set user agentThe Code is as follows:[Cpp][ASIHTTPRequest setDefaultUserAgentString: @ "MyApp 1.0"];If no user agent is set, ASIHTTPRequest will create one for you. For example (Mac OS program ):My Application 1.0 (Macintosh; Mac OS X 10.5.7;

In many news or text display applications, a mix of text and text interfaces, such as Netease news, appear. At first glance, a webpage is similar. In fact, this effect is not implemented by loading a webpage through UIWebView. Now I want to share a

I used code4app.com to change his implementation method and use his image segmentation for reference in the starting guide interface.Image carousel is a carousel I previously wrote. I set a timer to automatically set the next one. Share it now This

1. Average thread creation Overhead: Memory Stack: Master thread -- 1 M, sub thread -- 512 K Time: Negligible   2. multiple ways to create a thread: www.2cto.com NSThread, POSIX (based on APIs supported by C language), NSObject performSelector   3.