Swift

The time type is a data type that we use very frequently when we are dealing with the business. Let's take a look at the basic use of time nsdate.1. Compare sizeI'm better at. NET, and we know that a datetime type in C # can be directly judged using

Swift applies to iOS and OSX, built on OC and C, without the C compatibility limit. Swift uses a secure programming model and is supported by the cocoa and cocoa touch frameworks. Swift supports playgrounds, and you can use the Code preview feature

varFileManager = Nsfilemanager() //get the path to the folder, note: At the end plus/without the same, the recommended end Plus///Define FolderPath varFilePath ="/users/star/desktop/pathname/" //gets the folder under the file

import uikitclass viewcontroller: uiviewcontroller {     @IBOutlet  weak var display: UILabel!        var  userisinputingdigit :bool  = false     @IBAction  func  Appenddigit (Sender: uibutton)  {        let digit =   sender.currentTitle!         if 

Closures are functional self-contained modules that can be passed and used in code. Similar to the block in Objective-c.Closures are available in three different forms:1. Global functions2. Nested functions3. The closure expression is a non-named

The previous article describes the function's default parameters and input and output functions, today to learn something else.1. Multiple return value functions:I don't know if you remember the concept of Ganso. No, a return value of a function

In any language, functions are very important, and today we are going to take a preliminary study of the functions in swift.1. Swift function Default parameters:①, can be placed in any position of the function;②, external name and internal name are

Sometimes our app needs to be connected to the Internet or other time-consuming operations, need to prompt the user, the good way to prompt is the progress bar or a circular gear, prompting the user to have the operation in progress. We add two

About optional Control Flow If let Constantname = someoptional { Statements } If the optional is nil, the if is not entered, otherwise it is executed and constantname is the value of the optional Example: If Let Actualnumber = Possiblenumber.toint ()

Tool class Swiftyjson : The most developer-recognized JSON parsing class on GitHub Safe.ijaimi : Source code Vulnerability analysis and detection tools, one click to complete Dollar.swift : Swift version of Lo-dash (or underscore) functional

Reprint please indicate source: http://blog.csdn.net/cywosp/article/details/42150141 Brief IntroductionIn the development process, a variety of third-party libraries are often required, and Python provides tools such as Pip,easy_install to simplify

In Apple's development documentation, the array also provides additional operational algorithms:1. Sort function:Sort the array, according to the specified collation, and look at the following code:var array = [2, 3, 4, 5]array.sort{$0 Print Now: [2,

Intercept string RangeWe can intercept string strings by Range:Import Foundationvar str = "Aha, hello, why" let Rangeofhello = Range (start : Advance (str . StartIndex, 5 ), end : Advance (10 )) let Hellostr = str . Substringwithrange (Rangeofhello)

Common libraries and modular static libraries and dynamic librariesFirst, add the knowledge of the static and dynamic libraries. I am not familiar with this part of the content, no development experience, such as the wrong welcome to face.Static

Reprinted from http://blog.csdn.net/longhai0long/article/details/38379247Just looking at Swift developing iOS, there was a problem with the core data framework, and the console typed the log as follows:class ' collectnews ' for ' collectnews '.

Auto reference countFirst to accompany her sister to see the film, Dot code to occupy a hole.Weak referencesIt can be preceded by weak an indication that this is a weak reference. A weak reference does not hold the referenced instance, and it does

Related informationStart developing iOS apps Now (start developing iOS apps today)Apple Development Chinese station CocoachinaSwift Development Official websiteIOS Developer LibraryThe Swift programming language Chinese Full versionInspector

Closures Introductory EntryJust come back from Shanghai today and simply make a list of things.Introduction (really very simple)The complete shape of the closure is this way:(parameters), in statements}Parameter abbreviations We can directly use  

Swift shows how HTML code is in the layout1, according to the URL directly display content,var Urls:nsurl = Nsurl (string: "Http://www.baidu.com")!var urlrequest = nsurlrequest (url:urls)var aboutusdetail = UIWebView ()Aboutusdetail.frame =

Introduction of OC Class LibraryMd5.h:#import @interface Md5controller:uiviewcontroller@endMD5.M:#import "Md5Controller.h"@interface Md5controller ()@end@implementation Md5controller-(void) Viewdidload {[Super Viewdidload];Do any additional setup