Handwritten a mini version of the React state management tool
Handwritten a mini version of the React state management toolCurrently in React, there are many and various state management tools, such as:React ReduxMobxHoxEach state management tool has different API s and usage methods, and has a certain learning cost, and these state management tools also have a certain degree of complexity, and they are n ...
Posted by jeff8j on Tue, 20 Sep 2022 21:35:44 +0300
[Design Pattern]Mediator Pattern
[Design Pattern]Intermediary Pattern
1 Overview
background
Generally speaking, the relationship between colleague classes is relatively complex. When multiple colleague classes are related to each other, the relationship between them will appear as a complex network structure, which is an over-coupled architecture, that is, no It is cond ...
Posted by videxx on Tue, 20 Sep 2022 21:16:55 +0300
HashMap's 7 traversal methods and performance analysis!
In general, HashMap traversal can be divided into the following four categories:
Iterator mode traversal;For Each traversal;Lambda expression traversal (JDK 1.8+);Streams API traversal (JDK 1.8+).
However, each type has different implementation methods, so the specific traversal methods can be divided into the following 7 types:
1. Use Itera ...
Posted by bookbuyer2000 on Mon, 19 Sep 2022 21:21:02 +0300
In-depth rich text editor
Editor introduction
Common rich text editors can be divided into two categories, which are implemented by textarea and contenteditable.
textarea
The structure is simple and easy to use. Some text formats and complex styles are difficult to implement. It is recommended to be used only in scenarios with low editing requirements.
contenteditab ...
Posted by jcornett on Mon, 19 Sep 2022 21:14:08 +0300
File upload and download in Java (based on FTP protocol)
Role of FTP Server
FTP servers (File Transfer Protocol Servers) are computers that provide file storage and access services over the Internet. They provide services according to the FTP protocol. FTP servers are often used for file sharing and transmission and are an essential part of the Internet.
Our file upload and download function is the ...
Posted by Liquix on Mon, 19 Sep 2022 21:02:52 +0300
Detailed description of dock command
install
https://docs.docker.com/engine/install/ Just install ce (community version)
Start command
Start docker
systemctl start docker
Close docker
systemctl stop docker
Restart docker
systemctl restart docker
docker settings start automatically when the service starts
systemctl enable docker
View Status
View docker Running Sta ...
Posted by wata on Sun, 18 Sep 2022 21:43:12 +0300
Java Collection Framework System - The whole system of Collection and Map from practicality, comparison to underlying analysis
Java Collection Framework System Summary
Notice:
This article cites a large number of high-quality articles, and some of the applied ones have links to directly view the in-depth analysis of knowledge points.As for the content involving the code section, it is presented in the form of Demo + annotations. Demo mainly involves basic and common ...
Posted by mrobertson on Sun, 18 Sep 2022 21:24:48 +0300
Java advanced programming class set framework (collection class)
Introduction to the Class Set Framework
In actual development, no development can leave the array, but the traditional array is very cumbersome to use, and the length is its fatal flaw. Officially, due to the length problem, it is impossible to use it on a large scale, but it is far from being used during development. Without arrays, we ca ...
Posted by cmgmyr on Sun, 18 Sep 2022 21:19:40 +0300
OpenWrt skips tools compilation
OpenWrt skips tools compilation
foreword
It is still time-consuming for OpenWrt to compile tools, so in order to shorten the compilation time, we try to use the compiled tools in the SDK provided by OpenWrt.
Analyze the code
When analyzing the OpenWrt source code, the more you analyze, the more code you see, and the more knowledge y ...
Posted by netdog on Sat, 17 Sep 2022 21:56:47 +0300
Weblogic Series Vulnerability Recurrence
#Disclaimer: This is a personal note, which is only for learning. It is prohibited to use it for any illegal act. Any illegal act has nothing to do with me.
Weblogic XMLDecoder Deserialization Vulnerability (CVE-2017-10271)
Vulnerability Overview
Vulnerability No.: CVE-2017-10271 Vulnerability impact: wls wsat XMLDecoder deserialization vu ...
Posted by chelsea7 on Sat, 17 Sep 2022 21:36:21 +0300