Jsonj parses network data and jsonj parses the network

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Custom Singleton for iOS development: custom for iOS development

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KVC (1) for IOS advanced development and kvc for ios development

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Dark Horse programmers-the nature of classes, dark horse programmers ---

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CoreLocation --- location information in iOS

CoreLocation --- location information in iOS In iOS, you can use CoreLocation to obtain the user's current location and device mobile information.Basic Steps: import CoreLocation. ViewController inherits the CLLocationManagerDelegate Protocol to

IOS development-Contacts touch events

IOS development-Contacts touch eventsTouch event When a user uses an app, various events are generated. Events in iOS can be divided into three types: Touch event: accelerator event: Remote Control event:Recipient In iOS, not all objects can process

Animation in IOS -- Core Animation

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IOS deep replication and light Replication

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The iOS recording time is limited to 30 seconds.

The iOS recording time is limited to 30 seconds.Static int myTime = 30;@ Interface ViewController ()@ Property (weak, nonatomic) IBOutlet UIImageView * imageView;@ Property (weak, nonatomic) IBOutlet UIButton * btn;@ Property (weak, nonatomic)

Xcode cannot install The document, so cocould not download and install iOS 8. The certificate for this server is invalid...

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Weak OC syntax and oc syntax

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IOS --- UITableViewCell adaptive Row Height (non-AutoLayout)

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Use the titleEdgeInsets attribute of UIButton and imageEdgeInsets attribute to arrange the image text as required,

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Common Xcode shortcuts and xcode shortcuts

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Supports horizontal screen rotation for iOS devices

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Preprocessing command, preprocessing

Preprocessing command, preprocessing1. All preprocessing commands start with #. There are three types of preprocessing commands: 1> macro definition: # define COUNT 4 // There is no symbol behind it # undef COUNT ends macro definition 2> Conditional

Use of IOS SQLite3

Use of IOS SQLite3I. What is SQLIte? SQLite is a lightweight embedded database, which occupies very low resources. In embedded devices, it may only need several hundred KB of memory. The processing speed is faster than that of Mysql and PostgreSQL. 2

IOS adds a long-pressed gesture to the cell of tableview twice (UILongPressGestureRecognizer)

IOS adds a long-pressed gesture to the cell of tableview twice (UILongPressGestureRecognizer) Here we add a long-pressed gesture for tableview   UILongPressGestureRecognizer * longPressGr = [[UILongPressGestureRecognizer alloc] initWithTarget: self

Singleton design mode in IOS

Singleton design mode in IOS The Singleton design mode is a very important and common design mode in IOS development. It is designed to always return an instance regardless of the number of requests, that is, a class has only one instance. The

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