node js web application

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Nodejs-php application port 80, using node. js to implement real-time push through Port 8888, how to solve the cross-origin problem?

The project background is a php application. To add the instant push function, port 8888 is written in node. js to push instant messages and socket. io is used for data transmission. How can I establish a socket connection between Port 80 and port 8888 on the application page? Node

node. JS Web Module

, {' Content-type ': ' Text/html '}); //response file contents Response. (data. Tostring } //send response data responseend (); }). listen (8081//console outputs the following information console. ( ' Server running at http://127.0.0.1:8081/' Next we create a index.htm file in this directory with the following code:Sample PageHello world! Execute the server.js file:$ node Server. JSServer running at http://127.0.0.1:8081/ Then we o

node. JS Application Redis Database

, function () {/* ... */});//Error monitoring? Client.on ("Error", function (Err) {Console.log ("error" + Err);}); Client.set ("String Key", "string Val", Redis.print),//set "String Key" "String Val"/*redis.print, callback function, displays the return value of Redis. The result of the previous sentence will return "OK" */client.hset ("Hash Key", "Hashtest 1", "some value", redis.print); Client.hset (["Hash Key", "Hashtest 2" , "Some other value"], redis.print);//traversal hash table "Hash key"

Node. JS in the Events module application

Encapsulate ReadFile as a method (to solve asynchronous Problems)Cause: because Node. JS is non-blocking i/o, It is asynchronous, the read file is an I/O request, so it is thrown, and all NON-I/O requests are completed before they are madeCode with Async problem:var fs = require ("fs"); function fnreadfile (file) { function(err, data) { return data; }); Console.log (fnreadfile ("hei.txt")); //

[Express + Webstrom] Debug node. JS RESTful Application

Using Webstrom can easily debug the Node applcation.For example, we had an node+express application.Server.js:/**/' use strict '; var expres = require (' Express '); var app = expres (); App.get (function(request, Response) { response.send (200 , "Hello World"); App.listen (3000);All it does just send back a "Hello world" string.What we want are to see how to use Webstrom to debug this server.js and get

node. js with WebSocket Implementation Web page bucket landlord (first, environment configuration)

I've been doing nothing lately and studied node. JS Technology. Find out that node. JS is really powerful, and it works with Socket.io to implement the Web socket communication technology. So I decided to make a web version of the

Docker builds node. JS Web App (with port mappings)

6886fb5a9b8d6Days ago132.8Mbubuntu Latest D2A0ECFFE6FA2Weeks ago188.3Mbcentos Centos7 7322fbe74aa55Weeks ago172.2Mbcentos Latest 7322fbe74aa55Weeks ago172.2Mbhello-world Latest 91c95931e5523Months ago910B[[email protected] src]$6. Run the image you just generated and map the container's 8080 port to the host's 49161 port 49161:8080 -D gideon/centos-node- Hello7. In the native input localhost:49161, access the Helloword app.Note : Add the Epel librar

[Web front end] uses yarn instead of NPM as a module manager for node. js

problem introduced a yarn.lock mechanism, this is the author of the project Yarn.lock file. Yarn.lock file formatAs you can see, this file has locked the version number of the dependent module, and when you do yarn install , yarn will read the file to get the dependent version number, and then follow this version number to install the corresponding dependent module, so that the dependency will be locked, no longer worry about the issue of the version number. Other people or other circumstances

Node. js vs Opa: Web framework killer

A typical web project includes a server-side programming language. There are usually one or more frameworks based on this language. The front end uses JavaScript, and there is also a database and database language, such as SQL. To build such a project, you need to learn many technologies and integrate them. It's no wonder that many developers get bored before "Hello World" is running. More and more Tool developers are aware of this problem and try

node. JS calls the Geocoding interface of the Baidu Map Web service API to encode the point-bit anti-geo-information

(I moved it from my Sina blog and made some changes.) )recently hooked up to node. js and JavaScript. Now received a live, to parse a taxi point data geographic information. So I thought of using node. js to invoke the Baidu map API for parsing. The main library used is FS, request. //Request PackagevarFS = require ('

Create a node. JS Web site that provides data APIs

Create a Site DirectoryFirst, create a folder to save your site files, and use mkdir to do it.PS c:\> mkdir MySiteThen, go to this folder for the next steps.Create Package DescriptionCreate a Package.json file using Notepad or any plain text editor you like, and the file name is a convention that must be the name.Create a description of the site itself that describes the other packages that depend on it.{ "name": "Express-api", "version": "0.0.1", "dependencies": { "Express": "2

How does Nodejs build Web Server _ node. js

This article mainly introduces how to build a Web server for Nodejs. In this article, we will use Nodejs to build a simple Web server. If you are interested, refer to building a Web server using Nodejs to learn Node. js is a comprehensive introductory tutorial. To complete a

Web App for node. JS GET, POST

a simple HTTP server, route processing, Get and Post, Get instance, Post Instance1. Simple HTTP Server  Create an HTTP server, get and output the request URL, method, header, and make different output according to the requested resource.       Console command: Node app.js  Browser input: 127.0.0.1:8080 returns 404, output can not find source                        127.0.0.1:8080/index                        127.0.0.1:8080/img                        2.

node. JS Web QuickStart--Koahub.js components Koa-static-server

/web/index.html//Get/web/file.txt//Returns/web/file.txtApp.Use ( ({rootdir: Web " Span class= "Meta delimiter object comma js" >,rootpath:/web ' }) ) /span> //Index support//GET///Returns/file.txtApp.Use ( ({ro

node. js Web Real-time messaging server background push technology solution---goeasy

that you receive it accurately. ThroughChannelwe can specify which pages or which users canreceived from thisChannelthe message that was pushed out. node. js Web Real-time messaging backend server Push technology solution Let me show you how to useGoeasythe steps:1.you need toGoeasyOfficial online registration of an account,and create an app, the system will def

node. js Web Real-time messaging backend server Push technology---goeasy

More and more projects need to use real-time message push and receive, how to use node. js to achieve the most convenient? I recommend that you use the Goeasy, it is a third-party push service platform, using its API can easily take care of real-time push!Browser compatibility: Goeasy push supports websocket and polling two connections to support all versions of IE6 and above, while also supporting other br

node. JS Latest web technology stack (May 2015)

Understanding the Test life cycle Understand the done callback Understand how to simulate data Understanding the SuperTest test under HTTP Understanding Test Coverage Understand the automated test method based on gulp If you are interested, you can learn more BDD/TDD content, even cucumber.jsYou're going to do it anyway.: CommissioningThere are 3 ways to debug Node debug (too bad, if not C, understand the ADB and

Node. js learning: Using express to build a simple web Calculator

Node. js learning: Using express to build a simple web Calculator Node. js learning: Using express to build a simple web Calculator Blog link:Http://blog.csdn.net/jdh99, Author: jdh, reprinted please note. Environment: HOST: WI

node. JS Web crawler

('End', function () {//Handle the crawled content varCoursedata=filterchapters (HTML); Printcourseinfo (Coursedata); }). On ('Error', function (err) {Console.log ('error message:'+err)}) }//or request the first 3 pages of data. List = ['http://www.sklmr.dicp.ac.cn/list.php?tid=1','http://www.sklmr.dicp.ac.cn/list.php?tid=1page=20','http://www.sklmr.dicp.ac.cn/list.php?tid=1page=40']; for(varI=0;i3; i++) { varURL =List[i]; Getpagelist (URL);}/*or request the first 3 pages of data. Tid=1

node. JS Web Rapid development framework based on Koa.js platform Koahub.js demo installable

Koahub.js Demokoahub.jsKoahub.js--node. JS Web Rapid Development framework based on the Koa.js platform. Features such as ES6/7 (Generator Function, Class, Async Await) can be directly used in the project and can be run stably on the node. JS Environment with Babel compilat

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