Swift

(1) Traverse(2) Length(3) Splicing(4) interpolation(5) Case(6) Trim(7) Split...... Wait a minute var a = "Hello" var B = String () A. IsEmpty b = "xxxxxyyyyy" b. IsEmpty Traverse For C in B { println (c) } Calculate

The swift version of the tupleDescriptionThe contents of the tuple are not many, using the same words as normal variables, the following is the test source:////Viewcontroller.swift//tuples////Created by youxianming on 15/10/12.//Import

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogPassing references to parametersA class is a reference type, and other data types such as Integer, float, Boolean, character, string, tuple, collection, enumeration, and

Swift version of CircleviewSource////Circleview.swift//Circleview////Created by youxianming on 15/10/7.//copyright©2015 year youxianming. All rights reserved.//Import UIKitclassCircleview:uiview {//MARK:-Variablevar linewidth:cgfloat=1var

Swift version of StringattributeEffectSourceHttps://github.com/YouXianMing/Swift-StringAttribute////Stringattributeprotocol.swift//Swift-stringattribute////Created by youxianming on 15/10/8.//copyright©2015 year youxianming. All rights

main.swift//array////Created by Mac on 15-9-9.//Copyright (c) 2015 young apples. All rights Reserved.//import foundation//immutable group, defined by let var array:[string] = ["ss", "Set", "Jim"]println ("\ (array)") var Array1:[float] =

There is a big difference between ranges in swift and Objective-c in Nsrange, and I find it takes more time than I thought to deal with ranges related issues in Swift. However, now look back and find that the use of ranges in Swift is reasonable,

We invite you to study togetherSwift, Apple New Launch of the a new script-based programming language. Swift has a Python-like ease of use and a strong operational efficiency. It can be said that its birth is a miracle in the Internet field. It

1, Technical introduction(1) The Avfoundation.framework framework provides the Avaudiorecorder class. It can realize the recording function.(2) while using the Avaudioplayer class of the frame, the sound playback can be realized.2, make a recorder

Swift about UIView Setting the frame value extensionUseDescription1. Use such as, very simple, no longer repeat2. Provide the Getter,setter method for the added calculation attribute in extensionSource////Uiview+setrect.swift//youxianming////Created

The following is a demo of the collapse spread effect of cell cell. When you click a cell, the cell expands to show some details. Clicking on another cell will turn off the original and animate.The effect is as follows:The code is as follows:

The end of the list cell can add various styles of attachments, such as exclamation marks, triangular arrows, and so on. and click on the content area and click on the attachment of the two response events are different, so that we can achieve

Below, you will create a swift project and then introduce 3 libraries: Snappy simplifying the library of AutoLayout code Alamofire HTTP network library, written by afnetworking authors Sdwebimage picture loading, OBJC project, via

With the class's computed property set and get, we can protect the addition and subtraction of the index. Here is a sample, the index initial value is 0, the valid range is 0~2. Whether it is index++ or index--, the index is always able to iterate

1,swift continues to use Object-c's original set of threads, including three multithreaded programming techniques:(1) Nsthread(2) Cocoa nsoperation (Nsoperation and Nsoperationqueue)(3) Grand Central Dispath (GCD)2, this article emphatically

1, problem descriptionSometimes we need to initially set the "Confirm" button to be unavailable when we develop, and then make the input button available after entering text in the text box.2, the principle of implementation(1) To detect changes in

Since IOS8, Apple has advised the warning box to use Uialertcontroller instead of Uialertview. Here's a summary of some common uses:1, simple Application (simultaneous button response handler using closure function) 123456789101112131415

1, the creation of the text box, there are several styles: uitextborderstyle.none: no Border uitextborderstyle.line: line Border uitextborderstyle.roundedrect: Rounded rectangle border Uitextborderstyle.bezel: Edge + Shadow 1234

1, create an action table below (or call the bottom warning box) and pop up the display 123456789101112131415161718 class ViewController: UIViewController,UIActionSheetDelegate {    override func viewDidLoad()

In swift, type checking and conversion are typically implemented using the IS and as operators. The following example shows how to use a method, defining several classes first. 1234567891011 //基类，人类classHuman{} //男人类class