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Preface Previous articles have introduced the basics of React, and this article will also document how components in React communicate through an instance. If there are any mistakes or omissions in the article, please also see the little partner give more advice and thank you first. Below_ In React, there are several situations where component ...

Embedded in the react page is the "two-dimensional code of micro-message", which enables PC to log in through micro-message scanning code. First go Wechat Open Platform Register an account, create a website application, submit a website for review, get appid and appsecret; other development processes are based on Wechat Document Do th ...

1. Brief Answer Questions (1) Explain the differences and connections between Game Objects and Assets. Game object is a real object in the game, which can be selected and operated, while resources are a modification of the game object, such as a cu ...

inherit What is inheritance? A derived class inherits the fields and methods of the base class. A class can be inherited by more than one class; in python, a class can inherit more than one class. Parents can be called base classes and superclasses, while subclasses can be called derived classes. There are two kinds of inheritance: single in ...

This article goes on to cover the rest of the server class in the first two articles. Let's first look at the server code. /** * Created by chenhao on 2019/9/4. */ public final class SimpleServer { public static void main(String[] args) throws Exception { EventLoopGroup bossGroup = new NioEventLoopGroup(1); Even ...

Recently, I spent almost two weeks of idle time creating a date selection component. Let's see what happens first It can be said that it is a component that is often used and few people will actively implement it. After all, it still takes a certain amount of time to achieve it. So after normal work, you can try to create some basic component ...

Ask questions Through previous research on parsing excel in java, it was found that the parsing of Excel in some complex formats could not be satisfied, such as The excel of this format cannot be parsed using the previous method, so how should we p ...

[TOC] Stateful VS Stateless Almost all applications need to be authenticated and authorized. For example, user login with account password is an authentication process. After successful login, the system will allow users to access related resources under their account, which is called authorization.The complication is that users have the conc ...

What is a particle system? What is a particle system? Particle system is a graphical technology that can simulate complex physical effects. Particle systems are a collection of small images that, when viewed together, form a more complex "blurred" object, such as fire, smoke, weather or fireworks. fireworkds . These complex effects ...

Table Tennis Circle Program Partnership with friends wrote a small program, wrote a platform to share information and exchange of table tennis - table tennis circle. We used Wechat's cloud development to accomplish data and background functions. Lease servers are removed. I am mainly responsible for database design and cloud functions to achiev ...