node js use cases

Use UglifyJS under node to compress and merge JS files, nodeuglifyjs Currently, the latest version of UglifyJS is 2.8.13. The main function is JavaScript compression and merging. Go to the tutorial below: Installation: Install uglifyjs as a global variable so that you can use it anywhere. # UglifyJS2 usage > Two meth

Node. js development entry-Use Dialog Box ngDialog Websites often encounter pop-up dialog box to get user input or pop-up dialog box to let users confirm an operation and so on. There is an extension module based on AngularJS that can help us perform this kind of thing elegantly:NgDialog. NgDialogA sample webpage is provided on github to demonstrate its usage. He

1. Install nodejs Http://nodejs.org/ 2. Install the respective node package Js I use uglifyjs GitHub address: https://github.com/mishoo/UglifyJS Css I use clean-CSS GitHub address: https://github.com/GoalSmashers/clean-css The image uses node-smushit GitHub address

During front-end development, we often package and merge programs during deployment and launch. Next we will discuss how to use Node. js development front-end package program for a very in-depth explanation, hope to help students in need.Currently, we are working on front-end development with more people working together. Each person is responsible for different

for sending messages to the server.Use socket. io and nodejs to build a websocket Server Socket. io can not only build the websocket service of the client, but also support the websocket of the nodejs server.Install socket. io in nodejs Use the node plug-in management package and run the following command to install socket. io successfully. Npm install socket. io If there is no npm or windows users can

press Ctrl+pGet:Enter its path or key character, sublime text can be positioned, and will provide a preview, convenient choice.Integrated development Environment WebstormCreate a project and select the node. JS Express App ProjectDepending on the source code package for node. js, you can

NPM is a package management tool that is installed with node. js to address many of the problems with Nodejs code deployment, with the following common usage scenarios:Allow users to download third-party packages written by others from the NPM server to local useAllow users to download and install command-line programs written by others from the NPM server to local useAllows users to upload their own packag

Use node. js to create the website foreground background What can node. js do? I still don't know where he is widely used, and I have no chance to access such a project. Just because I like it, I made a website and background in my spare time. I deeply understand that if you

the information that has been Installed. If there are Updates under the "Updates" tab, the default "Available" tab is opened. Below is the list that you can install. We will first install two plug-ins: NppExec and JSTool.Install NppExec As shown in the previous plug-in diagram, I have selected the NppExec plug-in and click the Install button in the lower right corner. After the installation is successful, you may need to restart npp. After the restart, an NppExec sub-menu will be added to the n

Ps: nodejs:https://nodejs.org npm:https://www.npmjs.com/ I. node. JS Installation and Configuration Download to https://nodejs.org/en/download/, x64 and x86 After installation, configure PATH (F:\Program files (x86) \nodejs;) and Node_path (F:\Program files (x86) \nodejs\node_modules;) Second, install NVM, version switch management tool1, System creation put NVM code

Installing the node. JS version Control tool NVM, executing in the terminalcurl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bashre-enter the terminal and use NVM to install the latest version of node. jsnvm install nodeInstalling Live-servernpm install -g live-serverAfter successful creat

size of the selected original picture with the size reduction/magnification on the pop-up window, for example, a picture of 1024x768 is selected, However, the scope of the pop-up window is 222x238, which needs to be reduced in multiples of the record, in the trimming of the canvas to be multiplied by this multiplier, or the scope of the crop is cut on this 222x236 size, rather than the size of the original picture cut. The preceding jcrop_api variable is used to re-select the picture when the l

Use node. js as a reptilevarExpress = require (' Express ');varsuperagent = require (' superagent '));varCheerio = require (' Cheerio '));//call the Express instance, which is a function that, when called without arguments, returns an express instance that assigns this variable to the app variable. varApp =Express (); App.get (‘/‘,function(req, res, next) {//

derived from a friend who is a hotel business and wants to know the competitiveness of the price that he provides to the customer on the website: 1. If the price provided is too low, the amount of money you earn will be less. Therefore, if your price is the lowest, you need to check the second low and decide whether to adjust it; 2. If the price provided is too high, the search results will be relatively low. No customer can book a hotel and the business will be lost. Because there are a lot

The company uses Bugzilla to manage the product bug, recently made a thing with node. js, it is convenient to be able to import the relevant information of the Bug into Excel table, so as to follow the management analysis.Paste the code directly, write the comments. Reprint please indicate the source.var request = require ("request") var Cheerio = require ("Cheerio"); var Excel = require (' Exceljs '); var

Tags: Connection pool err result details node art using tar spanhttps://cnodejs.org/topic/58378543bde2b59e06141f5a The first practice is to create a connection and then use, and later found that a period of time will appear after the card is not responding to the situation, only restart the Nodejs service, after searching for a connection pool, after testing, no longer the card is not responding to the sit

Use node. js + mongodb to set up a simple login registration function. Preface Recently, I suddenly became interested in databases and the backend, and began to learn for a long time. I think I am only a front-end and only use java scopep, so I started to look at nodejs, looking at it, I suddenly found that mongodb and