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In Objective-C, the principles of strong and weak pointers under ARC are interpreted, and objective-cweak

In Objective-C, the principles of strong and weak pointers under ARC are interpreted, and objective-cweak Tip: in this article, "instance variables" are "member variables" and "local variables" are "local variables" I. Introduction ARC is a new

You are my little alpaca game ios source code, you are my little alpaca

You are my little alpaca game ios source code, you are my little alpaca source code download: http://code.662p.com/view/8582.htmlYou may have noticed that neurocat is replaced with a cute little alpaca :)Online Game address:

IOS WebP image format

IOS WebP image format Google produces high-definition images with small sizes. The following describes how to use these images in iOS. Add header file   #import UIImage+WebP.h #import ViewController.h#import UIImage+WebP.h@interface ViewController (

Objective-C basics 2: memory management basics,

Objective-C basics 2: memory management basics, 1. Memory storage area C, C ++. STACK: stores temporary variables and objects. Heap area: stores dynamically allocated objects. Static variable storage area: stores static variables and constant

IOS development tips-regular verification of ID cards

IOS development tips-regular verification of ID cardsNote: ID card verification may be required in many places during ios project development. Generally, during development, many people directly go to Baidu to change the related regular expressions

Shows user location cannot be located using a map on ios8.

Shows user location cannot be located using a map on ios8. In xcode6, the positioning method of the apple map has been modified, and it used to be unavailable. Error Description: Trying to start MapKit location updates without prompting for location

Listener network connection for iOS development, change, and disconnect

Listener network connection for iOS development, change, and disconnect During iOS development, we need to monitor/monitor network conditions. Apple provides Reachability. h and Reachability. m. Import Reachability. h You can write the following in

[Basic iOS control and basic ios Control

[Basic iOS control and basic ios ControlA. Requirements1. Convert the navigation bar like QQ, top, or bottom windows 2. Add corresponding content to each pageB. UITabBarController1. basic concepts: (1) content height before iOS7: screen

No security, no privacy, security, and privacy

No security, no privacy, security, and privacy I 'd like to show you a picture, but it may be a bit shocking... Maybe you don't know what it is saying, so please continue reading... This does not look like a four-cell cartoon, but it is of

. Net Time Format and sleepless me,. net Time Format

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Get the device model and Device

Get the device model and Device   Code: - (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"--self-machine-%@",[self machineName]); }- (NSString*) machineName{ struct utsname

Common image functions for iOS: capture the current screen/select local image/Image Compression

Common image functions for iOS: capture the current screen/select local image/Image Compression Capture current screen UIGraphicsBeginImageContextWithOptions(CGSizeMake(CGRectGetWidth(self.superview.frame), CGRectGetHeight(self.superview.frame)),

[Ios] The splitViewController under the ipad makes your APP look cool !, Ipadsplitview

[Ios] The splitViewController under the ipad makes your APP look cool !, Ipadsplitview You can use splitViewController on ipad The splitViewController contains two viewcontrollers. This is a way to split the screen into two parts. In the horizontal

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IPhone development-UIButton setImage also displays the title

IPhone development-UIButton setImage also displays the title If you want to create a button, the upper part of the button displays the Image, and the lower part displays the Title (the text position is not fixed). The display effect is as follows:  

Suggestions on iOS development learning path

Suggestions on iOS development learning path A friend in the iOS Forum asked to answer the post. The post title is:To learn more about IOS development, start fromAnd then I wrote a lot of answers. Since I typed so many words, I posted my replies to

The ios project bypasses the certificate to access the https program, and the ios project bypasses the certificate https

The ios project bypasses the certificate to access the https program, and the ios project bypasses the certificate https For a single webview or request, directly implement NSURLConnectionDelegate in the file h of the request, and add the following

IOS converts a simple image into a circle, and ios image into a circle.

IOS converts a simple image into a circle, and ios image into a circle. Push is a defined button. Push. layer. masksToBounds = YES; Push. layer. cornerRadius = 100; Push. layer. borderWidth = 10; Push. layer. borderColor = [[UIColor blackColor]

IOS development-invalid reloadData (UI update error in sub-thread)

IOS development-invalid reloadData (UI update error in sub-thread) Today, I encountered a problem while writing a chat tool. In the registered notification, Every time another user sends a message, the UITableView must be updated.

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