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IOS memory management and ios Memory Management

IOS memory management and ios Memory Management This article will record the summary of the "understanding memory management" knowledge point in the "iOS development advanced" book written by Tang Qiao. I will share it with you here.   Objective-C

Objective-C's total Runtime (1) message mechanism, objective-cruntime

Objective-C's total Runtime (1) message mechanism [conversion], objective-cruntime RunTime is short for RunTime. It is the mechanism of the system when it is running, the most important of which is the message mechanism. For C language, function

Full Screen preview for IOS single image, full screen ios Preview

Full Screen preview for IOS single image, full screen ios Preview If you are tired, it is because you are on the uphill .. This sentence seems a bit reasonable. I often remind myself not to forget why I set out wherever I went. Sometimes you can

IOS apps capture exceptions and send feedback to servers to improve user experience.

IOS apps capture exceptions and send feedback to servers to improve user experience. In the app we develop, it is inevitable that sometimes users will crash when using the software. we need to capture exceptions. we can add the corresponding code to

Swift-teaches you how to implement UISearchController animation effects on navigation .,

Swift-teaches you how to implement UISearchController animation effects on navigation ., This code snippet shows that I found various materials from the internet this week and modified it to get the upper and lower animation effects of the

Differences between memory overflow and Memory leakage

Differences between memory overflow and Memory leakage Memory overflow out of memory means that the program does not have enough memory space to use when applying for memory. For example, if an integer is applied, however, if a long value is saved

Operations on UIImage: operations on UIImage

Operations on UIImage: operations on UIImage 1. Generate a UIImage object with a specified width (oldImage is the original image object and newImage is the image object after the operation) // Parameter 1: image size parameter 2: transparent (NO

Objective-C method visibility, method,

Objective-C method visibility, method,Method 1: visibility of an instance method. method 1. visibility of instance variables attributes public instance variables can operate protected externally and internally (protected, default) instance variables

(NO.00003) iOS games simple robot projection game forming notes (10)

(NO.00003) iOS games simple robot projection game forming notes (10) Open Arm. h and add a new method to its interface: -(void)armShoot; Next we will implement this method in Arm. m: -(void)armShoot{ CGPoint startPoint = [self convertToWorldSpace:

IOS implementation simple memorandum Program-TaskList

IOS implementation simple memorandum Program-TaskList In real life, we often forget some things because there are too many and too many things. This application is a list of tasks developed based on such user pain points. Similar to the memo program

(NO.00003) iOS games simple robot projection game forming notes (2)

(NO.00003) iOS games simple robot projection game forming notes (2) Open Ai and draw the robot body, arm, and basket as needed: Because it is an experimental game, there is no need to spend too much effort on it to draw out the meaning. although

Start of IOS Learning

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(No. 00003) simple robot projection for iOS games (V) In the previous article, we created a physical robot object. Next we will look at the corresponding logic code. Go to Xcode and create a new Robot and Arm class, which inherit from CCNode and

(NO.00003) iOS games simple robot projection game forming notes (6)

(NO.00003) iOS games simple robot projection game forming notes (6) Why do I need to put the code for arm movement in a single method? In fact, this is the version after multiple reconstruction. The original mobile code is placed in the touchMoved

Objective-c series-@ Property & amp; point syntax, objective-c

Objective-c series-@ Property & point syntax, objective-c // Explain the meanings of modifiers in parentheses behind the property: // Nonatomic non-thread-safe non-atomic operations features: high efficiency of operation variables // Atomic

Git process in iOS development, iosgit

Git process in iOS development, iosgit I believe that the advantages of Git are no longer mentioned in detail. It is not the same as that of SVN.I used to drag files for development by many people before and cooperate with others. --! I will not

Block reference cycle (ARC & amp; non-ARC), block reference cycle arc

Block reference cycle (ARC & non-ARC), block reference cycle arc Block implementation principle First, we will explore the implementation principle of Block. Since Objective-C is a superset of C language, since the NSObject object in OC is actually

[Reading Notes] iOS network-use push notifications, Reading Notes ios

[Reading Notes] iOS network-use push notifications, Reading Notes ios 1. Local notification The maximum number of local notifications is 64-bit. Even though, you can still schedule notifications, but the number of notifications arriving at is

Network Programming in IOS and network programming in IOS

Network Programming in IOS and network programming in IOS In the mobile Internet era, almost all applications require networks, such as QQ, Weibo, Netease news, Youku, and Baidu maps. Data Interaction and data updating can only be performed with the

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