Programmer Think

Premise: nodejs environment 1. Initialize project npm init After the initial project, there will be one more package. In the project directory JSON file, and then the configuration is related to this file My file directory structure is as follows: The. babelrc configuration file will be described later 2. Download and configure webpack ...

User storyIn fact, Authing team management + Wechaty robot can realize many functions to improve the efficiency of traditional personnel management. You can even do some data analysis and statistics to assist decision-making. Here I have listed a few simple realistic scenes, hoping to help you understand.Authing as upstream data sourceSynchroni ...

The project requirement is to provide an interface to capture the video address in the web page by entering a web page address! For example, open a Web addressYou need to extract the video address from the web page. As the inertial thinking of front-end developers, it's not very simple to see the html structure of this web page. It's done in on ...

catalog: 1,Event mechanism concept 2,Method of registering event listening 3,Event operation 4,Bubbling and trapping 1. Event mechanismProblem Description:1) How does the event mechanism work? How is it different from the event loop mechanism?Answer:Event mechanism is different from event loop. It is user interaction level and depends on event ...

The four front-end bug s in the recent personal learning process are only personal records. Please be careful for reference! catalogue bug [ @multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js ] Bug ['Vue cli service' is not an internal or external command, nor is it a runnable program] bug [ npm ER ...

nodejs understanding Just as java needs a jvm virtual machine to run, js execution can be executed in the browser. Usually, we execute through the chrome console command window, that is, the browser supports js operation. nodejs is such a platform that can run js without the browser node is a javascript running environment (platform) used to ...

This article mainly uses VSCode to view the web pages written in the amis framework. There are few online tutorials. Here I summarize it by collecting online data. I hope it will be helpful to you. Please forgive me for any shortcomings get into https://nodejs.org/zh-cn/ Website, download and install. There is little difference in version sele ...

Objective: to create a cli tool called sun Create project folder mkdir vue-auto-router-cli Initialize package json npm init -y Installation dependency npm i commander download-git-repo ora handlebars figlet clear chalk open watch -s npm package nameeffectcommanderFor custom commandsdownload-git-repoFor downloading github projectsora ...

...... 3. Operation on file structure 3.1 fs.readdir(url,(error,data)=>{}) Role: Read all files in the folder Reference: Path to url folder Two parameters: callback function, built-in two parameters, error information and resource handle const fs = require('fs'); //Asynchronous read mode fs.readdir('./file',(error,data)=>{ if(error): ...

backgroundEnd to end testing is used to verify the overall behavior of the application.Compared with Unit Testing, which focuses on function verification, e2e is more prone to external dependencies, such as relying on external HTTP interface data, MYSQL data, Redis data, etc. These can be understood as external data dependencies, which affect t ...