automatic reference counting

The automatic reference count (Automatic Reference counting) is referred to as arc, which is Swift's tracking and management of application memory. Similar to the GC in Java, but not quite the same.Arc is the instance of the reference number 0,arc

Address: http://blog.csdn.net/xbl1986/article/details/7216668Xcode is version 4.2 build 4d151aAccording to the old version code of the objective-C 2.0 program design, the error of "is unavailable: not available in automatic reference counting mode"

UnderstandingXcode 4.2Automatic Reference CountingARC) Is the content to be explained in this article, Automatic Reference Counting (ARC), Automatic reference counting, is a compilation-level feature when developing a Cocoa program, used for

1. What is ARC?(1), ARC full name is automatic Reference counting, which is the automatic reference count, automatically counts the reference number of objects in memory, and automatically releases the object when appropriate;(2), the use of arc in

IOS 5.x: automatic reference counting, storyboard, custom control rendering, container View Controller       IOS5.1 The Text Input view supports DictationSupport in Text Input Views. IOS5.0 Cloud storage API iCloudStorage APIs Cloud backup

The Swift memory management feature is handled by using automatic reference count (ARC). ARC is used to initialize and cancel initialization of the system resources, thereby releasing the memory space of the class instance used when the instance is

Jesting:iOS development has come to an arc era, generally do not need us to pay too much attention to how the memory is allocated, how to manage. For a long time, I do not know what memory management is a ghost, but if you encounter this problem,

OC language-memory management, oc-memory management 1. Introduction to memory management principles   Memory Management for 1.1C Char * p = (char *) malloc (100 * sizeof (char )); This is the dynamic memory allocation of C. We manually applied for 10

_____________Transferred from: Beyondvincent's Blog_____________When developing an iOS application, it is critical that your program has good performance. This is also what users expect, if your program runs slow or slow, will incur the user's bad

First, the basic knowledge of iOS1. Only one application is running. On iOS, you can activate only one application and display it on the screen at any time.2. There is only one window. A window that allows application operations only.3. Access is

Transferred from: http://www.cnblogs.com/flyFreeZn/p/4264220.htmlThis article comes from my personal arc learning note, which aims to summarize the key points of the Automatic Reference counting, automatic reference counting technology for iOS

Syntax: First, let's talk about Shenma's programming language. It is a language that allows people to understand and display the execution behavior of the program, including syntax (correct expressions and rules for using the state machine) and

Technical Points of ARC memory management for iOS developmentThis article comes from my personal ARC Study Notes and aims to summarize the key points of the Automatic Reference Counting (Automatic Reference Counting) Memory Management Technology in

Obj-C Memory Management, obj-cmemory Memory management is one of the most important process in any programming language. It is the process by which the memory of objects are allocated when they are required and deallocated when they are no longer

English Original: Understanding Automatic Reference counting in Objective-c The automatic reference count (Automatic Reference counting, ARC) removes a lot of the burden of managing memory on the programmer's shoulders, not to

arc is a new feature of iOS 5, called arc (Automatic Reference counting). Simply put, it is the code that automatically joins the Retain/release, and the code that originally needed to manually add a reference count to handle memory management can

The following is reproduced from: http://www.cnblogs.com/flyFreeZn/p/4264220.htmlThis article comes from my personal arc learning note, which aims to summarize the key points of the Automatic Reference counting, automatic reference counting

Automatic Reference Counting (ARC), an automatic reference count, is a compile-level feature of the development of a cocoa program for automatic memory management. 1: In Xcode 4.2, use a template to create a new project that will use the "Default"

Automatic Reference Counting (ARC) is a compilation-level feature used to develop Cocoa programs for Automatic memory management.1: In XCode 4.2, create a project using the template, which will use the "ARC feature" by default.2: You can select the

Memory management1.1 Memory management1.1.1 C's memory management, and the troubleChar *p = (char *) malloc (100*sizeof (char));This is the dynamic memory allocation of C, we manually and the system to request 100 bytes of memory, or the system in