what package json

Apache Zeppelin installation and introduction, apachezeppelin InstallationBackground Apache Zeppelin provides a web version similar to ipython notebook for data analysis and visualization. You can access different Data Processing engines, including

First recognized NodeJS server development (Express + MySQL), nodejsmysql NodeJS is undoubtedly a milestone for the front-end. as it becomes increasingly popular today, mastering NodeJS is no longer a plus item, but a skill that must be mastered by

Use Prettier To Format JavaScript code If you have programming experience, you should be very clear, it is difficult to make the code concise and clear, and make different code writing styles consistent in a project. Even if you have spent a lot of

Use gulp to compress and merge AngularJS code. Our mobile web project uses gulp as an automated deployment tool. Because the 4G traffic fee of mobile devices is expensive, js Code is usually compressed when we officially launch the mobile Web App

Node. js checks for updates using the command line tool, and node. js command line With the popularity of Node. js, it becomes easier to develop command line tools using Node. js. A mature command line tool should give users an "elegant" idea of how

Use vue to develop an app (results of 3 or 3 days) and vueapp Preface A vue demoSource code description project directory description . | -- Config // configure the Project Development Environment | -- index. js // package deployment configuration

Vuex2.0 learning and recording + two small examples, vuex2.0 learning examples Recently, after studying Vuex2.0, I finally got a little clue. First of all, there are many vuex concepts. You must understand them. You can refer to the Vuex2.0 concept

Use the captchapng module in Nodejs to generate an image verification code, The Nodejs project encountered a problem when performing image verification code. Nodejs does not have a picture library. It will be available in the future, but it does not

A simple example of using babel to convert es6 syntax to es5, babeles6 syntax es5 Preface Babel is a widely used Transcoder that can convert ES6 code into ES5 code for execution in an existing environment. This means that you can write programs

Install and use gulp and install and use gulp Global install gulp (based on node): $ npm install -- global gulp   Enter the project folder, run npm init, fill in relevant parameters, and generate the package. json that records the configuration file

Vue2-based imitation mobile QQ single page application function (connected Chat Robot) and vue2 Chat Robot Overview I used Vue2 to create a webapp for imitation mobile QQ. On the ui, I referred to the work of the designer kaokao. The work was

Node uses Sequlize to connect to Mysql and reports the following error: Access denied for user 'xxx' @ 'localhost', sequlizemysql Preface Recently encountered problems at work: Unhandled rejection SequelizeAccessDeniedError: Access denied for user

Use gulp to compress and merge AngularJS code Our mobile web project uses gulp as an automated deployment tool. Because the 4G traffic fee of mobile devices is expensive, js Code is usually compressed when we officially launch the mobile Web App

Vue-cli webpack introduces jquery method, webpackjquery After an afternoon's effort, I finally introduced jquery to the project generated by vue-cli and recorded it. (Webpack for Template) Add "jquery": "^ 2.2.3" to dependencies in package. json,

Introduction to several common cross-origin Processing Methods of vue and several cross-origin Processing Methods of vue Set express proxy requests Invue-cliIn the development environment configuration (config/dev. env. js ),/apidomainAll requests

Detailed description of Vuejs single file component instances and vuejs component instances In the previous instances, we all use Vue. the component or components attribute is used to define components. This method is fine for many small and medium

Nodejs crawler superagent, cheerio, and nodejssuperagent Preface I have heard of Crawlers for a long time. I started to learn nodejs over the past few days and wrote an article title, user name, number of readings, number of recommendations, and

React + Webpack construction and packaging optimization, reactwebpack This article describes how to optimize React + Webpack construction and packaging. The details are as follows: Use babel-react-optimize to optimize the React code Check unused

Use express + multer to implement the image upload function in node. The following describes how to use express + multer to upload images in node. The specific content is as follows: In the front-end, we use ajax to asynchronously upload images, use

Webpack CommonsChunkPlugin detailed tutorial (Summary ), This article introduces the detailed tutorial (Summary) of CommonsChunkPlugin webpack, shares it with you, and gives you some notes, as shown below: 1. demo structure: 2. package. json