IOS SQLite syntax basics and iossqlite syntax

IOS SQLite syntax basics and iossqlite syntax Sharing the basic knowledge of SQLite statements is a basic part. It only involves four syntaxes: "add", "delete", "modify", and "query. table links and other content are not involved. I will update the

IOS8 solves an Error in obtaining Location Coordinate information (Error Domain = kCLErrorDomain Code = 0) and ios8kclerrordomain

IOS8 solves an Error in obtaining Location Coordinate information (Error Domain = kCLErrorDomain Code = 0) and ios8kclerrordomain Recently, debugging on The simulator found that an Error will be reported when obtaining The Location Coordinate

UIApplication and iosuiapplication for iOS development

UIApplication and iosuiapplication for iOS development The core function of UIApplication is to provide control and collaborative work during iOS program running. The iPhone application is started by the main function. It is responsible for calling

Third-party-laser push 2.1.0 and third-party laser push 2.1.0

Third-party-laser push 2.1.0 and third-party laser push 2.1.0 1. Create a category first # Import "AppDelegate + JPush. h "# import" JPUSHService. h "# import" WJNotifier. h "// dependent file static NSString * JIGUANG_PUSH_KEY = @" 4cd543c073753fb8

[Code Note] Click a button to produce 6 buttons and note the button.

[Code Note] Click a button to produce 6 buttons and note the button. I ,.     2. Engineering Drawing. 3. Code. RootViewController. h # Import // Add the header file # import "DCPathButton. h" @ interface RootViewController: UIViewController @

OC Note 1: Objective-C introduction, oc note objective-c

OC Note 1: Objective-C introduction, oc note objective-c   1. OC Introduction  Objective-C is an object-oriented programming language that expands C and is mainly used for iOS and Mac OS development. Based on the C language, a minimum

Custom UITabBarController for IOS development and custom tabbar for ios development

Custom UITabBarController for IOS development and custom tabbar for ios development UITabBarController is a view controller that is often used in development. However, the default UITabBarController does not fully meet our needs. Therefore, we

UICollectionViewCell -- find the cell that corresponds to which cell, uicollectionviewcell

UICollectionViewCell -- find the cell that corresponds to which cell, uicollectionviewcell There are various problems in writing projects.   When the button is added to the cell, add it directly to self or self. contentView, and find the parent

Four data persistence methods in ios development [1. attribute list and archiving] And ios4

Four data persistence methods in ios development [1. attribute list and archiving] And ios4 Permanent storage in iOS, that is, data will not be lost when the device is shut down and restarted or the application is closed. In actual application

IOS application distribution and internal testing (2)

IOS application distribution and internal testing (2) After learning about the concepts in the previous blog, let's perform the actual operations. If you have read the blog "iOS development-remote message push implementation" to implement remote

Set rounded corners and circular images for iOS

Set rounded corners and circular images for iOS Regular and positive styles tend to appear stiff, and the rounded corner styles lead to a different kind of intimacy. Nowadays, more and more rounded corners are used, and most images such as user

IOS 9 keyboard types

IOS 9 keyboard types IOS supports many types of keyboards. using different types of keyboards in different use cases can greatly improve convenience. The following types are supported in iOS 9: 1. UIKeyboardTypeDefault, often used in text input

Mac system Miscellaneous (continuous update), mac Miscellaneous

Mac system Miscellaneous (continuous update), mac Miscellaneous1. Adjust the LaunchPad icon to display the number of columns and number of rows 1. Adjust the number of icons displayed in each column. On my computer (1366*768), seven people in each

Apache server configuration under Mac

Apache server configuration under MacI. Apache server 1. The most widely used Web Server 2. The Mac comes with only a few modifications. It is simple and quick. 3. Some special server functions can be well supported by Apache Objective: To have an

Simple encapsulation of system network requests and network request Encapsulation

Simple encapsulation of system network requests and network request Encapsulation AGConnectionNetSimple encapsulation of system network requests facilitates network requests, and encapsulates data parsing and network requests in the same method for

IOS development-horizontal flow layout implementation, ios-horizontal layout

IOS development-horizontal flow layout implementation, ios-horizontal layout Due to time, I seldom explain easy-to-understand algorithm ideas. Here, I will first show the dynamic image effect, and then I will go directly to the key source

Summary of iOS third-party class libraries [continuous update] and ios third-party class libraries

Summary of iOS third-party class libraries [continuous update] and ios third-party class libraries Some open-source class libraries developed by third parties are often used in our daily development. This will effectively improve the efficiency of

[Code Note] Click on the vertex to bring up another small interface, note Vertex

[Code Note] Click on the vertex to bring up another small interface, note Vertex I ,.   2. File directory. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController{ UIView * _huiView; UITableView *

There are several methods and usage scenarios for iOS latency execution, and ios latency

There are several methods and usage scenarios for iOS latency execution, and ios latency I recently learned several methods for delayed execution. I will share with you the. 1. Using mselector (NSObject) method 2. nstject method 3. GCD Method 4.

IOS implements one method with multiple return values in three ways.

IOS implements one method with multiple return values in three ways. I used to think that this title is a bit biased towards theory. How can this strange requirement be found in actual development? However, when such a hard requirement is met, I

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