Swift

This article mainly introduces the value types in swift and the use of reference types, this article explains the difference between value type and reference type, how to choose the type, when to use the value type, when the reference type and so on,

Presumably the children's shoes that have been programmed are not unfamiliar with enumerated types, the advantages of using enumerated types are many, and there is no more to repeat them here. Enumerations in the Fundation framework and Uikit are

In storyboard, we can easily set the inner cell style of the table (TableView). However, if the TableView cell styles of multiple pages are the same, setting up a separate set is not only troublesome, but also causes code redundancy. The best

First, the introduction In swift, string types and characters types are provided to handle strings and character data, and the string type in Swift can be converted to the NSString class of the foundation framework in addition to a number of

I. Benefits of using classes 1. Encapsulation 2. Abstract 3. Use namespaces to avoid conflicts 4. Statement 5. Scalability In Swift, the first three points are completely achievable using structs and enumerations. Second, in the past object-oriented

Custom operators can contain only these characters:/=-+ *% ! & | ^. ~Operator Location:The predecessor operator prefix the intermediate operator infix the post operator PostfixOperator additional configurationbinding associativity desirable

In the game, there are many points to fly to the platform, this platform varies. It is tedious to create a picture of each length. In fact, we only use 3 images. The platform, the middle part of the platform, the right side of the platform,

Because there is no Mac, and Mac for the average person is a little expensive, so want to learn to write Swift, has not found the tool! Find a lot of methods on the Internet, including virtual machines, and black apples. But installed virtual

This article is translated from this article and all the code in this article is on GitHub.In this article, I will outline a parsing library that uses Swift to process JSON. A JSON example is as follows: var json: [String:anyobject] = [ " stat"

As with functions, methods are overloaded and overloaded in a way that is consistent with functions. So, as a special method of the constructor, are there overloads too? The answer is yes.First, constructor overloading conceptThe conditions for

Shake a shake function presumably everyone has used, the spring festival time to rob Red envelopes are not less shake it, then use swift language how to achieve such cool features. Shaking belongs to an iOS built-in recognizable action in the

3. Conditional statementsIt is often necessary to run different code based on different situations.You may want to run an extra piece of code when the error occurs, or output it when a value becomes too high or too low. To implement these

Playground-noun:a place where people can playimport UIKit//------------------------------------------------------------------------------1. ForThe traditional for loop approach is also supported in Swiftvar num =0Forvar i =0; I 10; i++) {num + =

1. The 2048 of global popularity2014 appeared a lot of Flappy Games, in addition to fame and noise of the bird outside, the most popular should be 2048. A seemingly simple digital overlay game, but let the players do not stop at all, the circle of

original articles, welcome reprint. Reprint Please specify: Dongsheng's blog Swift 2.0 in the Print function has 4 kinds of overloaded forms: Print (_:). Output a variable or constant to the console, and wrap the line. print (_:_:). Outputs

Although Objective-c is still alive and well, Apple has shifted its focus to Swift. The future development of Mac and iOS will inevitably be based on Swift. Because Swift is relatively new, many SDKs do not yet have a swift version available. Here's

Http://www.cnblogs.com/breezemist/p/4326644.htmlToday in the use of Swift found that the write Func always required to write out the second parameter of the external variable name, do not understand, feel and the book said the function is not the

A class can inherit (inherit) and has a class method, property, and other features. When a class inherits other classes, the inherited class is called subclass, And the inherited class is called superclass (or parent class, superclass ). In swift,

If you already have an old iOS app, it is written in objective-C, and some of its new features need to be written in swift, then you can call swift from objective-C. Objective-C does not need to bridge the header file when calling swift, but needs

The game in this article is completed using spritekit and swift language. Spritekit is Apple's own game engine, which is better suited to the underlying API of the IOS system. However, its architecture and implementation are similar to cocos2d. So