Ios uses regular expressions to verify the mobile phone number of the password ID card

Ios uses regular expressions to verify the mobile phone number of the password ID card In the project, we are verifying user input. The simplest method is to use regular expressions. the ios System also provides a convenient method, so that we can

Explanation of ios sdk-NSDictionary

Explanation of ios sdk-NSDictionary Original Blog, reprinted, please indicate the sourceBlog.csdn.net/hello_hwc The content of this article is as follows:1. Overview of NSDictionary and NSMutableDictionary2. Examples of common attribute methods

The secondary expansion function of the [original] list. Extends the implementation on native UITableView ., Uitableview

The secondary expansion function of the [original] list. Extends the implementation on native UITableView ., UitableviewOr directly paste the code. Step 1: @ Interface TodoViewController () {// declare an array to store cell information

IOS: OpenURL method of the UIApplication class

IOS: OpenURL method of the UIApplication class 1. Call the app store Interface In actual development, we often recommend other applications and recommend our own paid software, so we need to directly connect to the corresponding page of the app

IOS: [NSString hash] the same hash value problem occurs.

IOS: [NSString hash] the same hash value problem occurs. Cause: At least there are special circumstances for which this unreliability kicks in. Comparing [a hash] and [B hash] of two different NSString is safe when: The strings 'length is shorter

Summary of the relationship between CAR and model in sizeclass, sizeclasscar

Summary of the relationship between CAR and model in sizeclass, sizeclasscar I recently learned how to configure the autolayout constraint. We accidentally saw sizeclass yesterday. Let's take a look at the extensibility. Suddenly, I am not aware of

Basic ios ui controls

Basic ios ui controlsBasic ios ui controls Directory (?) [+] 31 Button control 32 switch control 33 slider control 34 segment control 34 toolbar 35 WebView 3.1 Button control 3.2 Switch Control 3.3 slider Control 3.4 Toolbar 3.5

IOS development-thread security for multi-thread Development

IOS development-thread security for multi-thread DevelopmentA resource may be shared by multiple threads, that is, multiple threads may access the same resource, for example, multiple threads access the same object, the same variable, the same file,

[IOS Weibo project, [iOS blog Project

[IOS Weibo project, [iOS blog ProjectGithub: https://github.com/hellovoidworld/HVWWeiboA. encapsulate network requests1. To avoid code redundancy and excessive coupling caused by multiple use of the AFN framework, You Need To encapsulate network

IOS development-multithreading NSOperation and NSOperationQueue

IOS development-multithreading NSOperation and NSOperationQueueNSThread can intuitively control thread objects, but it requires you to manage the thread lifecycle and thread synchronization by yourself, which is cumbersome to use and error-prone.

IOS plotting-simple triangle and ios plotting

IOS plotting-simple triangle and ios plotting # Import @ Interface MyView: UIView @ End   # Import "MyView. h" @ Implementation MyView -(Instancetype) initWithFrame :( CGRect) frame { Self = [super initWithFrame: frame]; If (self ){ //

Course 1-record the path to Ios development and course 1 ios

Course 1-record the path to Ios development and course 1 ios To learn a new language, we often follow international conventions to write a program output: hello, world. When learning C language, use the following program to print "hello, world ":

IOS tests the UITableView reuse mechanism and uses facts to speak.

IOS tests the UITableView reuse mechanism and uses facts to speak.The UITableView reuse mechanism relies mainly on reuseIdentifier to identify and establish a queue, put the created Cell into the queue, and then directly use the Cell in the queue

IOS_NavigationBar full transparency

IOS_NavigationBar full transparency First: 1. First, set a pure transparent png image as the background of navigationBar. VcD4KPHA + Signature = "-1.png"] forBarMetrics: UIBarMetricsDefault]; 2. After executing the above line of code,

Splicing and parsing json and sbjsonjson in ios

Splicing and parsing json and sbjsonjson in ios 1. parse json in iosUse the open-source json package. Project address:Http://stig.github.com/json-framework/NSData * responseData = [respones responseData];NSString * strResponser = [[NSString alloc]

Introduction to MVVM Architecture Design and team collaboration in iOS

Introduction to MVVM Architecture Design and team collaboration in iOS The ViewModel layer is the binder of the View and Model layers. It is an excellent place for placing user input verification logic, View display logic, initiating network

IOS development-thread security for multi-threaded Development

IOS development-thread security for multi-threaded Development A resource may be shared by multiple threads, that is, multiple threads may access the same resource, for example, multiple threads access the same object, the same variable, the same

IOS review notes 15: NSObject

IOS review notes 15: NSObjectTo facilitate the description, paste the following code: @interface Student:NSObject-(void)go;-(void)showName:(NSString *)name;-(void)introduce:(NSString *)name :(NSString*)address;@endStudent* stu = [[Student alloc]init]

IOS development-understanding of KVC and KVO

IOS development-understanding of KVC and KVOKVC and KVO look very professional. In fact, they are relatively simple to use. KVC (Key-value coding) can be understood as Key-value Pair encoding. If the basic type of the object is, then the key-value

[IOS Weibo project, [iOS blog Project

[IOS Weibo project, [iOS blog ProjectGithub: https://github.com/hellovoidworld/HVWWeibo. use Weibo API to send Weibo 1. demand learning send Weibo API send text Weibo send Weibo with pictures 2. follow the instructions in the Weibo API documentation

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