copy ios app

Differences between copy and retain: Copy is to create a new object, retain is to create a pointer, reference object count plus 1. The Copy attribute indicates that the content of the two objects is the same. The new object retain is 1, which is irrelevant to the reference count of the old object. The old object does not change.

collection object what to do? Students with this question may wish to look back at the deep copy of the collection.Well, deep copy and shallow copy are here.In the process of collecting data, we can find a point that is likely to make a mistake.NSString *str = @"string";str = @"newString";The above code, after executing the second line of code, the memory addres

IOS ------ teach you how to expedite APP review, ios ------ expedite app How can I use Apple's expedited review? On the iTunesconnect page, click "?" in the upper-right corner. Icon, select "Contact Us" in the pop-up menu ", Contact us On the Contact Us page, choose "App

Many languages have a deep copy of the concept of shallow copy, such as C++,OBJC. Simply put, a shallow copy is two variables pointing to the same chunk of memory, and a deep copy is two variables pointing to different memory areas, but the contents of the two memory areas are the same.Shallow copy:Deep copy:In

IOS mobile app development prototype template and development process, ios app development What kind of preliminary work should I prepare when I start a project? What kind of development steps should I take in outsourcing companies? Next, let's talk about it according to my understanding.Project Flowchart Look, fro

Application of 1.url schemesOpen another app, OpenURL, on your iOS system.first , you need to know the URL schemes of the A app configured in Info.plis.We assume that A's URL schemes is configured as Appathen , in the info.plist of your project Lsapplicationqueriesschemes configure the whitelist to open the appAdd Appa to itemfinally , it's in the code that opens

In IOS, the app implements the jiugongge feature, and in IOS, the app implements the jiugongge feature. The idea of implementing the jiugongge algorithm is as follows: Example: 1 // 2 // ViewController. m 3 // jiugongge 4 // 5 // Created by Li Qianwei on 15/3/26. 6 // Copyright (c) Future of Lee in 2015. all rights r

);//0x10010b980//per name = 0x100100560, gender = 0X100104AC0 (pre-copy address) nslo G (@ "per name =%p, gender =%p", Per.name, Per.gender); Person *copyperson = [per copy]; Copyperson = 0x100500a90, Retaincount = 1 (post-copy address) nslog (@ "Copyperson =%p, Retaincount =%lu", Copyperso

In iOS, you need to tune up an app to use the schema protocol, which iOS native supports, and because the iOS system doesn't use its own browser kernel, all browsers support it, unlike Android, where Android can do its own kernel, But not iOS. There are two ways to open the

Music and social networking APP source code for ios and social networking app source code for ios The music library is connected to Baidu music and will be automatically linked to Baidu music library2. Convenient chat with the basic architecture of xmpp.3. Join and organize group chat.4. Distributed chat.

App development process-iOS development certificate collection, app process ios collection I haven't summarized it for a long time. I looked back at my expired accounts and found few records. I want to summarize and record some time recently. Since I haven't recorded it for a long time, I want to write a lot of things

IOS: Get the current app version, and ios get the current app // Software version-(void) softwareVersion {NSDictionary * infoDic = [[NSBundle mainBundle] infoDictionary]; NSString * currentVersion = [NSString stringWithFormat: @ "the current software version is: % @ ", infoDic [@" cfbundle‑versionstring "]; UIAlertVie

Ext.: http://www.xiaoyaoli.com/?p=368Just like many iOS player apps, this article writes a program that allows you to put files through itunes, such as writing a music player program, placing a song file through Itune, and then playing the song through this app. First, I created an ordinary Singleview program called Filesharedemo. Here's how to transfer files from itunes to the app:Can see like Gplayer,acep

Reference: http://blog.csdn.net/mad1989/article/details/8167529 (Xcode APP Package and submit Apple Audit detail process (new version update submission review))Http://www.ttlsa.com/dev/how-to-publish-iosapp-to-appstore/(How to publish an iOS app to the Apple app STORE)Development environment: xcode5.1.1iphonesdk:7.1Dev

Reference: http://blog.csdn.net/mad1989/article/details/8167529 (Xcode APP Package and submit Apple Audit detail process (new version update submission review))Http://www.ttlsa.com/dev/how-to-publish-iosapp-to-appstore/(How to publish an iOS app to the Apple app STORE)Development environment: xcode5.1.1iphonesdk:7.1Dev

app marketplace to install OpenSSH on your jailbreak phone and make sure your Mac and IPhone are in the same wifi and enter it on your Mac terminal:ssh [emailprotected], IP is replaced with the IP address of the IPhoneEnter default password: AlpineYou can access the IPhone terminal.Use clutch to decompile the APP First step: Re-signing DebugserverThere are two ways of getting debugserver.The first is

other action.The following highlights a shallow copy and a deep copy .First, as the name implies, whether it is a shallow copy or deep copy, there is a copy in the inside, those who say the shallow copy equivalent to retain, what

In general, there are two broad categories: collection class and non-collection classConcept: pointer copy commonly known as pointer Copy, object copy is commonly known as content copy;1, non-collection of deep-type copies such as: NSString, nsnumber, etc.;The following print is the address result:It is obvious that St

Shallow copy: A shallow copy is a copy of the pointer to the object, so that the pointer points to the same memory address, "Object always has only one", shallow copy makes the object reference counter +1. The code is as follows:You can see that the pointer to the immutable string points to the same address and does no

iOS App Development Starter Course: iOS installation toolsTo develop an application, you must use the IOS Software Development Kit (SDK) and Apple's Integrated development environment (IDE) Xcode. To create a great iPhone, IPod Touch and IPad app, Xcode can meet all your nee