Swift

1. Agreement　　Swift uses protocol to define the protocol: protocol Exampleprotocol { get } mutating func adjust ()}Types, enumerations, and structs can all implement protocols:classSimpleclass:exampleprotocol {var simpledescription:string="A

Swift is also constantly updated to make minor adjustments, saying that early birds have worms to eat, so we start early, while the vast majority of the domestic coder have not yet begun widespread application.Some great gods on the internet say:

Directory Directory About Swift Hello World Variables and constants Data type conversions and string interpolation of strings Arrays Array and Dictionary dictionary About SwiftSwiftIt is a C

I. Input-related Optimization issuesIn most applications, there are input requirements, in the face of many users, their ideas are different, the input text content is also strange, in the face of different input, how can we optimize the input

We have now added two scenarios, although we have the default view controller, but we would like to customize our own controller, we have been working on the storyboard, and now some code.Right-click New fie in the project catalog, select Cocoa

One \ Write a function: func Uicolorfromrgb (rgbvalue:uint)-> Uicolor { return Uicolor (Red:cgfloat ((rgbvalue & 0xff0000 ) >> 16 )/255.0 Span style= "color: #000000;" >, Green:cgfloat ((rgbvalue & 0x00ff00 ) >> 8 )/255.0 , Blue:cgfloat

It was easy to switch between pages when developing with Objective-c. In fact, there is no big change with Swift, if you are using storyboard to complete the interface, basically the same way, but in the code section written in the swift style of

CocoaPods, a package management tool developed by IOS, is almost the industry standard for OBJECTIVE-C. It provides us with a very convenient package management function. And Apple has officially released the swift language for more than half a year,

Original http://blog.csdn.net/xuanwenchao/article/details/302268231. We add the Swift class to the existing Objective-c project. Cmd+n is shown below2. Click Next and enter Sfloginview language to select Swift3. Click Next to pop up the causeway,

　　 With a step-by-step learning, learning more and more new knowledge, whether it is new or old, can not help the accumulation of time, and then familiar with the knowledge point of time will gradually forget, perhaps this is a latent inertia in

From two to see now, almost two hours, are some of the conceptual things, mostly by understanding and memory, which involves the value of swift Reference and type reference, deep copy and shallow copy, etc., personally think these things are by

Java 8 C # 6 Swift Variable Type variable name; Type variable name; var variable name: type; Variable (type inference) N/A var variable name = initial value; var variable name =

Protocol Property ProtocolWe can define properties in the protocol, and the following code is wrong because the read-only attribute is defined in the protocol, but it attempts to modify its value:Protocol Fullynamed {varfullname:string

About Swift on SwiftOfficial document translation, for reference only, my English is not good, learning while translating, do not like to spray.Swift is a new programming language for IOS, OS X, WatchOS, and TvOS apps that builds on the best of C

Constructor Basics 构造函数is a special function that is used primarily to initialize an object when it is created, to set an initial value for an object, the 成员变量 constructor in OC is Initwithxxx, and in Swift, because of the support for

original articles, welcome reprint. Reprint Please specify: Dongsheng's blog Inheritance occurs between subclasses and parent classes, and is an inheritance relationship of a series of classes.For example: Person is the root class in the class

Swift is an object storage system that provides restful HTTP interfaces, originally originated from Rackspace's cloud Files, to provide a service that competes with AWS S3.Swift, open source in 2010, is one of OpenStack's first two projects. However,

As you can see in the previous introduction, using background in Xcode to learn Swift is very powerful, and it is very convenient to preview all of the constants or variable values in the code in real time in the interface on the right. But now we

I shared the playground of Swift 2.0, which was collated on GitHub. Address Https://github.com/mengxiangyue/The-Swift-2.0-Programming-Language-playgroundCorresponds to the latest release of the SWIFT programming Language Swift 2.0 release. These

The Swift language provides classic array and dictionary collection types to store collection data. Arrays are used to store the same type of data sequentially. The dictionary, while storing the same type of data values in disorder, needs to be