Programmer Think

M5 (project) - 01 - development document of distributed foundation of Shangsi Valley grain mall project Distributed Foundation 1, Environment construction Installation of various development software Virtual machine: docker,mysql,redis Host: maven, idea (back end), vscode (front end), git,NodeJS Version and installation process Quickly b ...

Page refresh data lost In vue, data, vuex store and other data are in memory. Once the page is refreshed, these data will be lost (or reset to the initial value), which will affect the user experience at some times. Cache, recovery If you want to make the data refresh not lost, you have to listen to the page refresh event, cache the data to ...

preface Vue development is inseparable from routing, especially for medium-sized and large-scale projects. There are many and miscellaneous pages. When configuring routing, it will always become increasingly irritable, because it is time-consuming and does not have much technical content. I always feel that it is a waste of time. In addition, ...

1, Introduction to css 1. Concept of css 1.1 what is css The web page is divided into three parts: Structure( html) Performance( css) Behavior( js) css:Cascading style sheets The web page is essentially a multi-layer structure CSS To set the style for each layer of the web page, In the end, we see the top layer of ...

Article catalogue catalogue Article catalogue preface 1. Ajax in jQuery 1.1,$.get() 1.2,$.post()  1.3,$.ajax()  2. XMLHttpRequest mode 2.1. Initiate GET request 2.2. Initiate POST request 3,Axios 3.1. Initiate GET request 3.2. Initiate POST request summary preface It's a new beginning. After a happy holiday, I began to invest in th ...

preface Hello, everyone. I'm a sea monster. Recently, the project encountered a demand for recording on the web page. After a wave of search, it was found react-media-recorder This library. Today, let's study the source code of this library, from 0 to 1 to realize the functions of recording, video recording and screen recording of React. ...

Wechat applet day 3 1. Page navigation 1.1 two ways to realize page navigation in applet What is page navigation Page navigation refers to the mutual jump between pages. For example, there are two ways to realize page navigation in the browser: a labellocation.href Two ways to realize page navigation in applet Declarative navigati ...

1. Introduction to mybatis 1.1 original jdbc operation (query data) 1.2 original jdbc operation (insert data) 1.3 analysis of original jdbc operation The problems existing in the original jdbc development are as follows: ① The frequent creation and release of database connections cause a waste of system resources, which affects the sys ...

1. Anti-shake function (debounce) Purpose: Prevent users from triggering events multiple times and wasting multiple requests Principle: Callback is executed after an event triggers for n seconds; If triggered again within n seconds, the time is recounted; const debounce = function(func,delay = 50){ /* func: Functions requiring ...

Author: Abhilash Kakumanu Translator: Front-end wit Source: stackabuse Have a dream, have dry goods, WeChat Search [Move the World] pays attention to this bowl-brushing wit that was still cleaning in the morning. This article GitHub https://github.com/qq449245884/xiaozhi Included, there are complete test points, materials and my series ...