Swift

Build an Apache server and write a script back to the client requesting data in PHP1PHP2 //header ("Content-type:text/html;charset=utf-8");3 Header("Content-type:text/json;charset=utf-8");4 if(isset($_request[' Name '])) {5

Swift is a type-safe language. The type-safe language encourages the recommended values in your code to be as clear as possible about the type that they belong to. If you have a pre-good string in your code, you cannot mistakenly pass or assign it

First, what is the external parameter name?Simply put, the name of an external parameter is called when a method is invoked to precede the parameters of the method with a specific name, in order to facilitate reading code, improve maintenance

Some beginners often use the AutoLayout, the effect is not very good, often there will be a situation of interface confusion.This article uses a small example to illustrate the use of AutoLayoutVery simple, just remember the rules can make the

First, * Project preparation1, QQ Music app interface Material: (I use the PP assistant, the QQ Music app Backup, extract the IPA file can get the picture material inside)2, Watercress Radio Interface:

How do I pull a control inside a main.storyboard in Xcode and implement a simple effect? I just contact Swift language soon, for the operation of the IDE is very unfamiliar, do not understand the online reference on the online predecessors of the

Start Xcode6 from Launchpad and select "Create New Project":650) this.width=650; "class=" Alignnone wp-image-548 "src=" http://blog.diveinedu.net/wp-content/uploads/2014/06/new _project.png "alt=" New_project "width=" 529 "height=" "style="

1. Protocol (PROTOCOL): The only difference with OC is that the protocol in swift, whether it is a property or a time method, is all that must be done/** protocol*/Protocol Fullnamed {/** computed Properties declaration, read-only computed

A protocol defines a blueprint that specifies the methods and properties necessary to implement a particular work or function. Classes, structs, or enumeration types can follow the protocol and provide specific implementations to complete the

The class to testImport Cocoaclass simpleinterest:nsobject{ func calculate (loanamount:double, var interestrate:double,years:int) ->double { interestrate = interestrate/100.0 let interest = Double (years) * InterestRate *

12 subscript1, under the slogan Law  Subscript allows you to retrieve an element from the instance name by adding one or more values in parentheses. Syntax and method syntax are similar to property syntax by using the subscript key definition, one

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogThere are two sources of child class constructors in Swift: writing and inheriting from the parent class. Not all constructors of the parent class can inherit, and

original articles, welcome reprint. Reprint Please specify: Dongsheng's blogstatic methods are similar to static properties,Swift a static method , also known as a type method, is defined in . Static methods are defined in the same way as static

Original articles, welcome reprint. Reprint Please specify: Dongsheng's Blog Calculated Properties instead of storing the data itself, the data is computed from other storage properties. computed attribute concepts: getter (accessor) to

First, inheritance1. The class defined in swift, if not inherited from any class, is the base class. This is not the same as the class defined in Objective-c, and the default base class for classes defined in Objective-c is nsobject.2. Overriding

Swift is a new language introduced by Apple, and its syntax is still an extension of the C language, with features of object-oriented languages and scripting languages, and a bit of Objective-c shadow.Basic typeSwift is a strong data type and is

Generic code allows you to write functions and types that are flexible and reusable according to your own needs and that are suitable for any type. It allows you to avoid repetitive code and to express the intent of the code in a clear and abstract

Very concise usage: Index for (Index, button) in ratingbuttons. Enumerate() { //If The index of a button is less than the rating, then button should be selected.button. Selected = Index rating }Greatly simplifies the statement, the

Project finally do not need to support iOS6 (tear), in the QR code scanning this piece, can completely abandon the ZXing library, to the system AVFoundation , took a swift demo, the effect is as follows:GitHub Address: point hereRelated AVFoundation

Base operatorMost of Swift's operators are the same as C and OC, and are divided into two yuan, which only records some of the nature or wording of Swift.Assignment operator (=)When the right side of the equals sign is a tuple with multiple values,