For ios, I usually have some questions during my own interview. For details, I have some questions about ios.

For ios, I usually have some questions during my own interview. For details, I have some questions about ios. Record the interview questions you have seen at ordinary times, and add the questions you will encounter later. IWhat is the essence of

[Reading Notes] iOS-becomes a developer, ios-developer

[Reading Notes] iOS-becomes a developer, ios-developer IOS developers plan to pay by year and start renewal 60 days before expiration. If you do not renew your subscription, you will not be able to publish the application. In addition, Apple will

IOS ARM and X86, iOSARMX86

IOS ARM and X86, iOSARMX86Introduction: armv7 | armv7s | arm64 is an ARM processor's Instruction Set i386 | x86_64 is a Mac processor's Instruction Set Arm64: iPhone X | iPhone8 | iPhone7 | iPhone6s | iphone6s plus | iPhone6 | iPhone6 plus | iPhone5

IOS adaptive height, font color change, ios font color

IOS adaptive height, font color change, ios font color     # Define kMainBoundsWidth ([UIScreen mainScreen]. bounds). size. width // screen width # define kFont [UIFont systemFontOfSize: 17.f] // font size # define kLineSpacing 7 // row

Objective-C Inheritance, objective-c

Objective-C Inheritance, objective-c One of the most important concepts in object-oriented programming is that of inheritance. inheritance allows us to define a class in terms of another class which makes it easier to create and maintain an

IOS development,

IOS development, Because Object-C does not support multi-inheritance, it is often replaced by Protocol. Protocol can define only one set of public interfaces, but it cannot provide specific implementation methods. That is to say, it only tells you

IOSUI-core animation (Key Frame Animation CAKeyframeAnimation ),

IOSUI-core animation (Key Frame Animation CAKeyframeAnimation ), IOS development UI-core animation (Key Frame Animation) 1. Brief Introduction CAKeyframeAnimationIt is a subclass of CApropertyAnimation. The difference with CABasicAnimation is that

IOS: transform attribute of UIView and implementation of drag-and-drop view, uiviewtransform

IOS: transform attribute of UIView and implementation of drag-and-drop view, uiviewtransform 1. Use of the transform attribute of UIView # Import "ViewController. h "@ interface ViewController () @ property (weak, nonatomic) IBOutletUIImageView *

[Reading Notes] iOS-stream audio and Pandora Radio, ios-pandora

[Reading Notes] iOS-stream audio and Pandora Radio, ios-pandora Complexity is inevitable and will only increase over time. Therefore, when adding features, you must set aside time for restructuring and code simplification. Do not worry about

IOS-touch event-event transfer process and response chain, ios-chain

IOS-touch event-event transfer process and response chain, ios-chain 1. There are three common events in ios: Touch event Accelerator event Remote Control event 2. Why does it mean that events can be handled with the inheritance of

IOS uses multithreading to improve performance, and ios multithreading to improve performance

IOS uses multithreading to improve performance, and ios multithreading to improve performance The iPhone will be able to support different types of multi-threaded APIs, including POSIX Threads, NSObject, NSThread, and NSOperation. The iPhone

OC learning-object-oriented personal understanding, oc learning-object-oriented

OC learning-object-oriented personal understanding, oc learning-object-oriented   1. What is object-oriented? The following is my explanation on Baidu: Object Oriented (OO) is a software development method. Object-oriented concepts and applications

View the description file in Xcode and the Xcode description file

View the description file in Xcode and the Xcode description file IOS application packaging is inseparable from the description file, that is, the mobileprovision file. Generally, double-click the file to run Xcode. But what is in the specific

[Reading Notes] iOS-"Single-core and multi-purpose" improves performance with multithreading, and ios-single-core and multi-purpose

[Reading Notes] iOS-"Single-core and multi-purpose" improves performance with multithreading, and ios-single-core and multi-purpose The iPhone will be able to support different types of multi-threaded APIs, including POSIX Threads, NSObject,

Ionic optimization (Android) method, ionic android

Ionic optimization (Android) method, ionic android Currently, ionic1 is used in the project. There are two optimization methods: 1. Install the cordova-plugin-crosswalk-webview plug-in to speed up the mobile phone 2. If you just install crosswalk

IOS-UIImageView common usage and multi-image animation playback, iosuiimageview

IOS-UIImageView common usage and multi-image animation playback, iosuiimageviewUIImageView // Create the object UIImageView * imageView = [[UIImageView alloc] init]; // frame imageView. frame = self. view. bounds; // set the background imageView.

IOS-UILabel attribute settings and common usage methods, iosuilabel

IOS-UILabel attribute settings and common usage methods, iosuilabelLabel // Create the object UILabel * label = [[UILabel alloc] init]; // framelabel. frame = CGRectMake (100,100,300, 75); // color label. backgroundColor = [UIColor redColor];

IOS-UIButton button event, iosuibutton

IOS-UIButton button event, iosuibuttonUIButton Button event -(IBAction) clickRedButton {// change the text color self. label. textColor = [UIColor redColor]; // modify the text content self. label. text = @ "I am red"; // change the text

IOS-battery icon [control battery display with the beiser curve], ios-beiser

IOS-battery icon [control battery display with the beiser curve], ios-beiser   Based on the UIView class: WKJBatteryView WKJBatteryView. h #import @interface WKJBatteryView : UIView/** value:0 - 100 */-

Cheatsheet: 2018 01.01 ~ 02.28, cheatsheet01.01

Cheatsheet: 2018 01.01 ~ 02.28, cheatsheet01.01 JAVA How to Improve the Performance of a Java Application Java Memory Management Writing Java Microservices With WSO2 Microservices Framework for Java (MSF4J) Microservices with Spring Boot-Part 1-

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