IOS

Original address: http://blog.csdn.net/sjzsp/article/details/6688950 Because the UI has a special purpose, uiactionsheet and Uialertview do not allow you to customize the interface by addsubview such functions. The solution is to inherit it,

void GetDate () { //nsdate Gets the current time nsdate *now = [NSDate date]; NSLog (@ "Now date are:%@", now); Filter the current time by Nscalendar Nscalendar *calendar = [Nscalendar Currentcalendar]; Nsuinteger

I. Xiao Kee Recently, the company has a demand, need to use Unity3d to build 3D model, and realize switching function, because do not long development time, and did not contact Unity3d, so can only confused to find information on the Internet, but

Role: Converts a string to decimal by using the function strtoul (const char *, char * *, int) in the corresponding binary format char* p;//Position string conversion termination unsigned long s = Strtoul ("FFt6", &p,); NSLog (@ "%lu",

It is almost every developer's problem to judge that NSString string is empty, and for most people the first thing to flash through the brain is the following method if ([Yourtextstring isequaltostring:@ ""]) Unfortunately, such judgments often

Original article Address Problem Description: Enter a page-->b page-->ios return--> screen appear--> manual Click Screen--> Problem Resolution Reason Analysis: When using WebView to develop Vue projects on iOS machines, Go history (-1) cannot pull

Only the main thread in iOS can immediately refresh the UI. If you are listening for asynchronous messages, triggering a callback function, or calling an asynchronous method, requesting that the UI be refreshed creates a problem with thread blocking

First use UE4 to create a simple example of what you like to project, official, and then start your packing trip. The way to iOS As we all know, we have itunes installed. After the installation is successful, there are optional devices.

Http://www.cnblogs.com/martin1009/archive/2012/06/18/2553184.html Oneretain, copy, assign difference1. Suppose you allocate a chunk of memory with malloc and assign it to pointer a, and then you want pointer b to share that memory, so you assign a

IOS-data loading implementation-MJRefresh, ios-load-mjrefresh Use CocoaPods to load a third-party Library: pod 'MJRefresh'  MJRefresh class structure:   Specific implementation methods and: The drop-down refresh 01-DefaultSelf. tableView. header

IOS drawing summary, ios drawingPreface There are projects in development that use iOS plotting. Last year, I was very busy and didn't take the time to summarize it. Now it is a summary of drawing in the project last year,I. Preface to several

Animation: UIViewAnimationOptions type,Animation 1. Regular animation attribute settings (multiple options can be selected at the same time) UIViewAnimationOptionLayoutSubviews: ensure that the subview follows the motion during the animation process.

[Reading Notes] iOS-UDID, Reading Notes ios-udid The UIDevice class can return the UDID of the current iOS device. In the past, developers used UDID as the unique identifier for each device, and then started with iOS5, apple marked this function as

Swift-GCD, This article introduces the GCD application operations in the Swift3 language. target readers can be beginners without the basis of GCD, you can also have a certain understanding of GCD, but want to have a more comprehensive understanding

[Reading Notes] iOS-optimized memory and Reading Notes ios-optimized ImageNamed: Creates a UIImage object by using the method. When these objects are no longer used, they are placed in the default automatic recycle pool of the application, instead

Swift Extension summary, swiftextensionSummary Extended functions are added to existing classes, structures, enumeration, and protocols. Similar to the Category in Objective-C, the Extension has no name. Extensions can do the following: Add

IOS-WKWebview ViewController with progress bar loading [KVO listens to the Webview loading progress ],  Preface Why do we need to say that WKWebview has already mentioned that WKWebview has completely replaced Webview after ios8. the reason is that

The difficulty of dragging UIScrollView in XIB, and dragging uiscrollview in xib Recently, there was a job of porting code in development, but that piece of code was written n years ago. Although it was not seen before, it was quite difficult, only

Why does ios leave dealloc or cause Memory Leak in UIViewController, Since MyLeaksFinder is imported into the project, Memory Leak prompts are often reported in the project. After several debugging times, several possible causes of this

UIButton image text location, uibutton image text In the actual development process, text and images are often added on buttons. The positions and images are placed differently as needed. Various display methods are implemented as