IOS

Preparations for iOS IM development (4) use of CocoaAsyncSocket and cocoaasyncsocket I talked about socket in the previous article. I want to talk about how to work in this article. After all, you can use it. In my project, CocoaAsyncSocket is used,

Analysis view level and view level 1. Method 1:The hidden command is recursiveDescription. You can simply use it to check the view and call recursiveDescription in the view to print its inheritance relationship. Because it is a private method, no

Ios automatic (manual) screen conversion, ios I. The first time I made a screen conversion, I had a lot of detours. After a while I did not write, I found that I forgot about it. Fortunately, duniang and google made me quickly find a feeling, next,

[Original] FMDB source code reading (3), fmdb source code reading[Original] FMDB source code reading (3) Please specify the source for this reprinted article --Polobymulberry-blog1. Preface The best thing about FMDB is thatMulti-thread processing.

IOS development: multi-language localization solution for Applications There are two common approaches for multilingual applications: 1. opportunities provided by the Program for the user to choose; 2. automatically switch our app to the

IOS Design Pattern singleton: iOS Design Pattern   The Singleton Mode means that this class has only one instance, and this class is a singleton class. In iOS, many of them are Singleton NSNull, NSFileManager, UIApplication, NSUserDefaults,

IOS GCD and iOSGCDGCD Grand Central Dispatch written in pure C Language 1. GCD is Apple's solution for multi-core parallel operations GCD will automatically use more CPU cores (such as dual-core and quad-core) GCD automatically manages the thread

UITableView, iosuitableview Knowledge point: 1) UITableView 2) UITableViewCell   ========================================================== ====================   1. UITableView   1. Introduction to UITableView UITableView is a list view that

IOS development: strong, weak, etc. Now let's look at the New Keyword strong, weak, unsafe_unretained in iOS5. it can be similar to learning strong and retain corresponding to previous keywords. weak and unsafe_unretained functions are similar (a

Network Programming for iOS development-5. NSURLSessionUploadTask + NSURLSessionDataDelegate proxy upload, nsurlsessiondelegate The main content of NSURLSession is coming to an end. Here we will talk about file upload. Of course,

NSSortDescriptor objects are sorted by arrays and js objects are sorted by arrays. // Create an array NSArray * array = @ [@ "zhangsan", @ "lisi", @ "zhonger", @ "zhubada", @ "honghunag"]; // Create a sorting condition, that is, an NSSortDescriptor

Basic knowledge of IOS development-fragment 34, basic knowledge of ios-34 1: The third-party plug-in SKSTableView has a crash issue in IOS7.1.1. Solution: Modify the internal source code: (NSInteger)subRow{id indexpath = [NSIndexPath class];id

Network Programming for iOS development-1. Basic use of NSURLSession and iosnsurlsession Before learning how to use NSURLSession, I should first learn a good article about NSURLSession, From NSURLConnection to NSURLSession, or a Chinese translation

IOS achieves three-screen reuse of circular advertisements and ios multiplexing of advertisements We are no longer familiar with circular advertisements during development. Today we will sort out this scrollview three-screen reuse advertisement. The

# DAY3 custom view, View Controller, View Controller specify view, loadView, viewDidLoad, MVC, screen rotation, memory warning, # DAY3 custom view, View Controller, View Controller specify view, loadView, viewDidLoad, MVC, screen rotation, memory

UICollectionView and its difference from UITableView. Before we start, we will attach the simplest code here.-(Void) viewDidLoad {[super viewDidLoad]; UICollectionViewFlowLayout * layout = [[UICollectionViewFlowLayout alloc] init]; UICollectionView *

Immutable string NSString and variable string NSMutableString, nsstring replace string Immutable string // Create a String object NSString * string = [[NSString alloc] initWithFormat: @ "zhong huang-"]; NSString * string1 = [[NSString alloc]

Learning ios design (1), Learning ios Design   Two years ago, Apple completely changed the design language for modern users. For designers, this makes it easier for them to focus on animations and functions rather than other details. I have been

Singleton design mode for IOS development and IOS development This article will explain the singleton design mode in IOS development from four aspects: I. What is the singleton Design Pattern II. Why should we use Singleton Design Pattern III. Basic

Error = 3840 when parsing data in iOS and error3840 when parsing data in ios 1. An error occurred while parsing the JSon data format. Unescaped control character around character XXXX And The data couldn 'tbe read because it isn' t in the correct