IOS

IOS stores data dictionary to sandbox, and ios stores dictionary sandbox 1. Create an account data model to store the data returned from the server. Generally, the returned data is a dictionary containing various information of the login user. This

IOS miscellaneous pen-12 (class de clever use of Frame operations), ios-12 In actual development, many times we are overwhelmed by frame control operations. For example, we only want to get the width of the view. We can do this: view. frame. size.

Plist file and NSUserDefault file storage class, json format parsing, nsuserdefajson json ====================================== File Operations ====================================== △1. plist File The. plist file is a property dictionary array

Use the mac terminal to generate the RSA private key and public key file, and the mac terminal to generate the rsa 89 :~ Zhangwenquan $ 89 :~ Zhangwenquan $ openssl OpenSSL> genrsa-out rsa_private_key.pem 1024 Generating RSA private key, 1024 bit

IOS debugging (1) What do you think is what you think? Do you think your code is very OK? What do you think you are? What do you think is what you think? Can your code stand the test? (PS: Can you stand the test?) There are many iOS debugging

Ios debugging skills I. BreakPoint (normal BreakPoint) When the program runs to the breakpoint, It is paused. The value of the corresponding parameter can be seen below the debugging process. 2. Condition BreakPoint) Set the breakpoint attributes to

IOS development-Multimedia In iOS, audio playback can be divided into audio playback and music playback. The former mainly refers to the playing of some short audios, which are usually used as embellishment audios and do not need to be controlled by

Do you really understand the iOS proxy design mode? In projects, we often use the proxy design mode. This is a message transmission method in iOS, and some parameters can be passed through this method. This article covers the skills and principles

IOS development references the processing method when a third-party library has duplicate symbol, iosduplicateThis article is my own Sina Blog extracted from the original link: http://blog.sina.com.cn/s/blog_dcc636350102wat5.html in iOS development,

Multi-thread implementation solution in iOS and multi-thread solution in ios What is a main thread? After an iOS program runs, a thread is enabled by default, which is called "main thread" or "UI thread"   Main functions of the main thread 1.

Why does block use copy and how to solve circular references? blockcopyDuring the completion of the project, the block is inevitably used, because the block is more readable than delegate and notification, and the code looks concise. Therefore, a

3D tank war game source code, 3d tank war source code Source code of the 3D tank war game, developed based on xcode 4.3 and ios sdk 5.1. No error is reported in xcode4.3.3. Compatible with ios4.3-ios6.0, the source code of a rare 3D tank war game

Questions about iPhone images ., Because the screen resolution of iOS devices is different and the screen resolution is large or small, displaying the same image on different devices may cause the image to be stretched and deformed, seriously

NSURLSession network request, nsurlsession request I personally feel that it is difficult to find simple network requests on the Internet. Maybe it's just me that I'm not familiar with it. All of them have the following sections. Although they are

IOS network-simple introduction (I)-> third-party SDWebImage and iossdwebimage First, we take the most commonly used UIImageView as an example to introduce the implementation principle: 1) UIImageView + WebCache: setImageWithURL: placeholderImage:

Explanation of iOS NSNotificationCenter, nsnotificationcenter Features of the notification center: 1: Synchronous execution 2: One-to-multiple message sending 3: reducing program Coupling The notification center is a singleton. It is executed

IOS compressed image size Recently, I encountered a silly problem. When I took a picture in a project or selected an image from the album, I did not process it and directly uploaded the source image. As a result, when I looked at it in the list, the

Selector, jquery Selector ====================================== Selector ====================================== [Recognition selector] SEL 1. selector (SEL) is a variable type. 2. selector is used to load member messages (member method)   People *

IOS, ios9 IOS database operations: add, delete, search, and modify First, you need to create a database: the database of this program is a trace database written in the plug-in of Firefox browser. Steps for Firefox to find SQLite Manager: Step 1:

Full Swift project application source code, swift source code TSWeChat descriptionA WeChat alternative, written in Swift. Running Environment Cocoapods 0.39.0 + IOS 8.0 +/Mac OS X 10.9 + Xcode 7.2 + Source code download: