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This article describes how to use multi-thread programming in nodejs. In this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about node. JS, see the previous blog post. In implementing sleep in node. JS, I will introduce the usage of
The main application scenario of Jscex is "JavaScript asynchronous programming", but there is no limit on whether to run on the browser or server. Recently, Node. js is very popular and has just released the Native Windows version. Many people will use it to make small programs such as websites. At present, the most famous framework for developing websites using Node
This article describes how to use multi-thread programming in nodejs. in this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about Node. js, see the previous blog post. in implementing sleep in Node. js, I will introduce the usage of
node. JS Service SideTo install the WS module Support firstNPM Install WSService side (Server.js)var GWS; var Websocketserver = require (' ws '). Server, new websocketserver ({port:9000 }), Wss.on (function (WS) { = ws; Console.log (' client connected '); Ws.on (function (message) { console.log (message); (Show, SetInterval);//Every 5 seconds the server pushes the message to the
1: Download node. js and install it, install it from NPM, choose to install it together.2:node-v display version, npm-v display version.3: I am here to agent to the Internet, first set up NPM agent, if the Internet does not need a proxy, you can skip this step. NPM Config set proxy http://proxy3.bj.petrochina:8080NPM Config set Https-proxy http://proxy3.bj.
, Json.parse to convert the JSON text to an object varRetval=json.stringify (arr); Resp.end (retval);//Response Object End Response});//Server starts operation listening PortServer.listen ("localhost",function() {Console.log ("Server started operation, listening on port 3000 ...");});Page code:DOCTYPE HTML>HTMLLang= "Utf-8">Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>Head> title>Get data from node. jstitle> Scriptsrc=
; Body>HTML>Scripttype= "Text/javascript">functionrun () {//Changelitext ();}/****************************************************** the startup function called when the window is loaded ****************************************** ***********/$ (document). Ready (function() { $(". Side ul Li"). HTML ("1"); });// -Script>Server.js Code:varHttp=require (' http ');varFs=require (' FS ');varPath=require (' Path ');varMime=require (' MIME ');varCache={};functionsend404 (response) {Response.writ
', function (req, res) {res. send ('csser user is' + req. user. name );}); For simple cases such as route placeholder verification and forced change value, you only need to input one parameter (one parameter is supported). The exception thrown during this period will be automatically passed into next (err ). app.param('number', function(n){ return parseInt(n, 10); }); You can also apply the callback function to multiple placeholders at the same time. For exa
This article mainly introduces how to add the insertBefore () function to js at a specified position. The example analyzes the techniques of insertBefore () function appending nodes, which has some reference value, for more information about how to add the node function insertBefore () in js at a specified position, se
This article describes how to save the information about the file sent by payload in Nodejs. For more information, see 1: accept files Http://stackoverflow.com/questions/24610996/how-to-get-uploaded-file-in-node-js-express-app-using-angular-file-upload You can use the following third-party Libraries • Busboy and connect-busboy• Multiparty and connect-multiparty• Formidable• Multer 2: Save the file Ps: no
corresponding document, the default option is--help.Implementation of Vue-init Sub-commandThe main function of Vue-init is to pull the project template file (official or homemade) under the specified git directory into the specified directory, using the following$ vue init There is still a need to parse the PROCESS.ARGV, so the commander.js is introduced in Vue-init, which generates a programProgram . Usage (' Next is to implement the pull template file, after processing, placed in the o
Source: http://www.jb51.net/article/50294.htmJS How to get ul Li iddocument.getElementsByTagName ("Li") [index].idHow do I get the number of LI in ul with JavaScript? document.getElementById (' Myul '). getElementsByTagName (' li '). lengthHTML DOM removechild () methodvar List=document.getelementbyid ("MyList"); List.removechild (List.childnodes[0]);JS Dynamic Add Delete ul node Li and related content
, Json.parse to convert the JSON text to an object varRetval=json.stringify (arr); Resp.end (retval);//Response Object End Response});//Server starts operation listening PortServer.listen ("localhost",function() {Console.log ("Server started operation, listening on port 3000 ...");});Page ANGULARJS Code:DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">HTMLNg-app= "Notesapp"> Head> MetaCharSet= "Utf-8"> title>Angularjs Get No
This article mainly introduces several important knowledge points of node. js: The Role of node. js, callback, synchronous and asynchronous code, event loop 1, and the role of node. js, The meaning of I/O. Move the mouse to see t
configuring Run Npm is CTRL + F5. Maybe you prefer F5, but F5 has been occupied by the Run Command. If you really want to grab it, cancel it first. Open the HelloExpress example in Notepad ++ (seeInstallation and Use of Express), And press CTRL + F5 to see the following results: Now, our Notepad ++ can be used for Node. js development. You don't have to switch
,Then install it via the command line NPM install ****** or NPM install ******--save-devRepresents a module that needs to be installed--save-dev is the Devdependencies property that writes the installation package information to the Package.json file.After local installation, modules in the Node_modules directory in the project can be introduced via require (). As the following example, the local installation is require (' MySQL ') directly in Gulpfil
This article mainly introduces four js key points that Node. JS developers must understand. Node. js is a server-oriented framework based on Chrome's powerful V8JS engine. Although it is compiled by C ++, it and its applications run on J
The fourth chapter recommends 3 hours of study time 10 chaptersHow to learn: read it in detail and implement the relevant code manuallyLearning Goals : This tutorial will teach you to install node, build servers, Express, MySQL, MongoDB, write background business logic, write interfaces, and finally complete a complete project backstage, a total of 10 days is expected.node. js Event mechanismnode.
. conf file and add the following Nameserver 8.8.8.8Nameserver 8.8.4.4Save and close. Step end. Test whether node. js can be run Now that you have completed the setup, but you don't know if it can run correctly, let's write an example file to test it. Create example. js
, and some historical problems left, so they do not like new things. So at this stage, many Nodejs applications are the bridge between the front end and the back end. Generally speaking, there is no historical burden of the new company Ah, start-up companies ah, incubation projects and other more willing to use Nodejs, fast and efficient. Now basically all front-end applications have Nodejs shadow, what react, vue, angular, and so on, its application scenarios and the job market are also very la
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