Arc4random_uniform random number, arc4random_uniform

Arc4random_uniform random number, arc4random_uniform In Objective-C, there is an arc4random () function used to generate random numbers without seeds. However, this function generates a large range of random numbers and requires a modulo algorithm

The Core iOS Developer's Cookbook, ioscookbook

The Core iOS Developer's Cookbook, ioscookbook Book Descripter The best place to start iOS application development The Core iOS Developer's Cookbook provides ready-to-use code solutions for common iOS challenges, providing recipes that help

What is the difference between initWithFrame and initWithCoder ?, Initwithcoder

What is the difference between initWithFrame and initWithCoder ?, Initwithcoder When the program we writeUse code to create control View content, You need to call initWithFrame to initialize   -(Id) initWithFrame :( CGRect) frame {if (self =

Ios development diary 12-CALayer and UIView, 12-calayeruiview

Ios development diary 12-CALayer and UIView, 12-calayeruiview Today, the blogger has a requirement to draw content and has encountered some difficulties. I would like to share with you the hope that we can make common progress. Today I will share

IOS study notes, ios learning materials

IOS study notes, ios learning materials 1. The code in the pch file is global. Whether it is the # import header file or the # define macro, it can be used in all files in the project. (All content involving the OC syntax must be included in # ifdef

IOSAutoLayoutDemystify, iosdemystify

IOSAutoLayoutDemystify, iosdemystify Book Descripter Auto Layout transforms the way you create iOS user interfaces. As flexible as it is powerful, Auto Layout gives you unprecedented control over your iOS user interfaces. But Auto Layout has a

[Reading Notes] iOS-NSString length, ios-nsstringlength

[Reading Notes] iOS-NSString length, ios-nsstringlength The length method of NSString can accurately process international strings, such as strings containing Russian, Chinese, or Japanese characters, and strings using the Unicode international

Colours-color library, including 100 predefined colors and methods, and colour100

Colours-color library, including 100 predefined colors and methods, and colour100 Introduction Colours-color library, including a variety of 100 predefined colors and methods, can simplify color-related development. Project homepage: Colours Latest

IOS Animations by Tutorials, iosanimations

IOS Animations by Tutorials, iosanimations Book Description Make Delightful Animations with Swift! There’s no denying it: creating animations is one of the most enjoyable parts of iOS development. Animations are fun to create, they breathe life

[Reading Notes] comparison between iOS-NSDictionary and NSArray, nsdictionarynsarray

[Reading Notes] comparison between iOS-NSDictionary and NSArray, nsdictionarynsarray Sometimes, why not store arrays and then query the values in the arrays? The dictionary (also known as a hash or associated array) uses an optimized storage method

OC basics -- passing parameters of objects between methods, oc --

OC basics -- passing parameters of objects between methods, oc -- Description: U. S. soldiers fought for help after they took Hanyang Building 5 bullet clips (5 bullets in each clip) and carried them together Class: Soldiers: Attribute: name (_ name)

Ios development-xcode shortcuts

Ios development-xcode shortcutsCommon shortcuts for XcodeHere are some common shortcut keys for xcode.We can develop our software efficiently and reduce the amount of time we use the mouse.This reduces the development time and is very

Settings of the iOS Status Bar (UIStatusBar)

Settings of the iOS Status Bar (UIStatusBar)Knowledge popularization The status bar on iOS refers to the top 20 pixels high.The status bar consists of two parts: Foreground: displays the battery and time; Background: displays the black or image

The new iOS-NSDictionary/NSMutableDictionary uses "yes" and "no". The switch controller and NSUserDefaults are used to easily switch applications ., Iosnsuserdefaults

The new iOS-NSDictionary/NSMutableDictionary uses "yes" and "no". The switch controller and NSUserDefaults are used to easily switch applications ., Iosnsuserdefaults IAronTalk Blog opens. Not matter of the today will drag tomorrow. -= -- =-= -= -=-

IOS stage study 34th days notes (UI widget UISegment-UISlider-UIStepper-UIProgressView-UITextView Introduction), uiprogressview

IOS stage study 34th days notes (UI widget UISegment-UISlider-UIStepper-UIProgressView-UITextView Introduction), uiprogressview IOS Learning (UI) knowledge point sorting I. UI Widgets1. UISegmentedControl multipart selector instance code 1-(void)

IOS learning 35th-day notes (Touch gesture Introduction), ios 35th-day

IOS learning 35th-day notes (Touch gesture Introduction), ios 35th-day I. Touch gestures1. Use gestures to implement UIButton mobile effect instance code1) create a class MyButton. h code that inherits from UIButton. 1 #import 2 @interface MyButton :

Ios fruit storm game source code project download, ios fruit storm source code

Ios fruit storm game source code project download, ios fruit storm source code   This is an ios fruit storm game source code download. We will introduce it to you. If you like it, you can download it and learn it.Application

IOS info. plist configuration file, iosinfo. plist

IOS info. plist configuration file, iosinfo. plist When you create an ios program, the system automatically generates an info. plist file, which is an essential file, because it stores application configuration information, such as the localized

IOS multi-thread management & lt; 1 & gt; two or three things you must know about multithreading, ios multi-thread

IOS multi-thread management what you must know about multithreading: ios multi-thread management /* Not a technical Article, but a way to record your daily learning ---------------------------- The journey of programmers is the sea of stars */   [1

Objc uses block to implement chained programming and objcblock chained Programming

Objc uses block to implement chained programming and objcblock chained Programming Objc uses block to implement chained Programming      Because it is hard to read. Like Anonymous functions in other languages, block is difficult for many programmers

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