Simple use of the _ block keyword in IOS

Simple use of the _ block keyword in IOS /** 13. _ When is block used? **/ Conclusion: To modify the value of a local variable in a block, use _ block to modify the value. /** 14. Ask a question: in the block, add an array. Do I need to declare the

IOS uses openCv to implement simple portrait deduction

IOS uses openCv to implement simple portrait deductionRecently, to implement the portrait deduction function, I found two ways to buckle images online: coreImage Color Gamut and openCv edge detection, the deduction is accurate. The second method is

IOS development-NSURLSession for resumable download

IOS development-NSURLSession for resumable downloadNSURLSession 1. Procedure 1> obtain the NSURLSession object 2> create a Task using the NSURLSession object 3> Start the task ([Task resume]) 2. Obtain the NSURLSession object 1> [NSURLSession

IOS map positioning uses several small Functions

IOS map positioning uses several small FunctionsThe positioning service provided by the iOS system can meet many requirements. For example, obtain the current longitude and latitude, and obtain the current location information.Obtain the current

IOS development: Sina Weibo oau22.

IOS development: Sina Weibo oau22. Note: You must obtain user identity authentication when calling open interfaces on Weibo, such as Weibo and followers. Currently, oauth2.0. To facilitate developers to develop and test their own

IOS development-encapsulate your own drop-down menu

IOS development-encapsulate your own drop-down menu Idea 1. Image stretching: UIImage *image = [UIImage imageNamed:@popover_background]; image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(24, 0, 24, 0)

Difficulties in loading xib on ios

Difficulties in loading xib on ios Storyboard, I personally think it is a good thing, but everything is always messy. Personal preferences: Pull complicated local controls (such as custom collectionviewcell) in the xib file. There were a lot of

IOS SDK details-App use Touch ID Authentication

IOS SDK details-App use Touch ID Authentication   Since iOS 8.0, Apple has enabled the App to use Touch ID for authentication. Note the following points:The App only proxies the authentication process to the iOS system and cannot obtain the

IOS basics-UIImageView

IOS basics-UIImageView UIImage is to define an image, while UIImageVIew is to define a view, and then put the image in   -(Void) viewDidLoad {[super viewDidLoad]; // UIImageView * imageV = [[UIImageView alloc] initWithImage: [UIImage imageNamed: @ "1

IOS basics-UILabel

IOS basics-UILabel The most common text tag. To put it bluntly, it is a collection of strings used to display text. The following describes the label attributes in detail.   -(Void) viewDidLoad {[super viewDidLoad]; UILabel * label = [[UILabel alloc]

IOS basics-UITextField

IOS basics-UITextField UITextField is usually used for external text input, which is a common input box. The following code describes various UITextField attributes and methods.   -(Void) viewDidLoad {[super viewDidLoad]; // text input box

IOS basics-UIButton

IOS basics-UIButton Think about it, UIButton is a button, that is, we usually click a control with our fingers, and then there are corresponding events generated. When we click it, it may also produce color changes, which is called UIbutton. It can

Web developers and designers must know ten iOS 8 changes.

Web developers and designers must know ten iOS 8 changes.Source: mobilexweb Source: Luo lei (@ Luo luolei) Welcome to share the original article with bole headlines XI dapupben, weeping,XI dang DadWith the release of iPhone 6 and iPhone 6 plus, ios 8

Full version of Inkpad application project source code and full version of inkpad source code

Full version of Inkpad application project source code and full version of inkpad source code A fully functional and effective vector graph rendering App source code. If you have used Adobe's AI software, you will understand some of the

Drawing Board notes application project source code iPad, drawing board project source code ipad

Drawing Board notes application project source code iPad, drawing board project source code ipad The source code of a powerful iPad canvas note application can also support wifi sharing and cloud synchronization.Source code of a

NSFileManager for iOS SDK

NSFileManager for iOS SDK   NSFileManager provides a convenient method for file operations, including file and directory creation, copying, cutting, and deletion.This article will explain in detail how to perform these basic operations. When using

IOS development-network data security encryption (MD5)

IOS development-network data security encryption (MD5)Submit users' private data You must use the POST request to submit your private data.All parameters of the GET request are directly exposed in the URL.The requested URL is generally recorded in

NT_iOS note-how does NSURLConnection change http to https?

NT_iOS note-how does NSURLConnection change http to https? I have been using NSURLConnection to request the HTTP interface. Now I plan to Use HTTPS for security considerations. So how can we modify it? 1. No certificate verification required. ps:

Ios static library usage

Ios static library usageIos static library usage 3906 people read comments (0) collect reports The static library file for ios is *. a. If you need to use it, you can use A simple method that I learned today. To put it simply, if there is A mobile

Summary of Some Problems in testing ios applications using the appium tool in java

Summary of Some Problems in testing ios applications using the appium tool in java Question 1 Version 1.3.7 seems to have a bug. You need to replace this file and go to the installation directory of apium to modify the

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