Swift

Set the language to display in Info.plist　　1. Standard translations of common strings (OK, delete, cancel), etc.Nslocalizedstring ("Delete", TableName: "", Bundle: bundle (for: UIButton. Classforcoder ()), Value: " ", Comment: "delete for ...")

There is such a keyword in swift: try? and try! , what are their application scenarios? try?:1. Application scenario: When a function or method throws an exception, the exception can be converted to an optional type, return a nil, the program does

Higher order functionsIn Swift, a function can be a "one-class citizen", which means that we can use the function as a parameter, value, type, as with int and String .Where the function is used as a parameter and a value is visible under:Typealias

As with the IF statement, Guard is also based on the Boolean value of an expression to determine whether a piece of code should be executed. Unlike the IF statement, the guard executes the code only when the condition is not satisfied. You can think

collection typeSwift provides two types of collections, Array, Dictionaryarray and dictionaryneed to have the same typeof data//Actual test found can be mixed type, the following examplesArray is ordered, Dictionary is unordered Dictionary need a

First, @propertyUsing @property-Modified variables, the compiler automatically generates an underlined property with the same name and a corresponding get set method. Pass. The way Access property is actually access to the corresponding get set

Original articles, welcome reprint.Reprint Please specify: Dongsheng's blog swift error handling mode, swift1.x and swift 2.0 There are two different modes. Swift 1.xCode error handling modeCocoaFrame error Handling mode, to

Variable var and let constants in SwiftFirst introduce the Var and let in Swift(1) var is an abbreviated form of variable, which is the meaning of the variable and can be changed. Not a data typeLike what:Note that you do not need to add semicolons

See the developing IOS 8 Apps with Swift when you see some more useful points to record:1. Pass the function as a parameter.Like what:Write a function with a sum of two numbers:performoperation (multiply) Func performoperation (Operation:

??Swift 2.0 Study Notes ( Day5 )--the identifiers and keyword I knoworiginal articles, welcome reprint. Reprint Please specify: Dongsheng's blog a lot of computer language has identifiers and keyword, has not been a good summary, is this use, and

Import UIKitClass Viewcontroller:uiviewcontroller {The creation of the buttonUibuttontype.system: Front without icon, default text is blue, with touch highlighting effectUibuttontype.custom: Custom button, front without icon, default text is white,

function (all you want to know is here)注：本文为作者自己总结。过于基础的就不再赘述 ，都是亲自測试的结果。如有错误或者遗漏的地方。欢迎指正。一起学习。1. Simple definition and invocation of functionsThe simple no-participation function will not repeat, name is the shape of the participation. Also

The original text was published in the Web of steppingSwift includes a lot of modern language features, especially from some scripting languages like Javascript/ruby. In addition Apple announced Swift , use some of the specially selected examples to

InternetAlamofire: http The framework for network request event processing.Moya: This is an abstraction layer based on a Alamofire higher-level network request encapsulation.Reachability.swift: Used to check the current network connection status of

What is Swift?Swift is the programming language that Apple announced in WWDC 2014. Here is the quote from the Swift programming language:Swift is a new programming language for IOS and OS X apps This builds on the best of C and objective-c, without

Directory: Initialization Common methods or properties String index InitializationCreate an empty string as the initial value:"" // empty string literal var anotheremptystring = string () //

Optional chainOriginal blog, reproduced please indicate the sourceMy blog AddressHttp://blog.csdn.net/hello_hwcAn optional chain provides an optional way to access an object's properties, methods, subscript scripts, and the return value of an

Return to edit type, swipe to deleteFunc TableView (Tableview:uitableview, Editingstyleforrowatindexpath Indexpath:nsindexpath) Uitableviewcelleditingstyle {Return Uitableviewcelleditingstyle.delete}Edit the text of the delete button hereFunc

Recent learning of swift animations and layers. I wrote a game with the things that I learned, the basic functions of basic ideas have been realized. The pictures are all found on the Internet. Hope to help you better understand the animation and

This article only for personal use notes, do not like to spray, Prudential Xie error correction.The HTML text obtained by STR for the background includes the font color and related property settings, and we get the background data and parse it with