node js ubuntu tutorial

TitleEnvironment: Windows 8 64bit\node.js v0.10.33I think it is necessary to say that I have not installed node. JS in the default directory, but rather a custom pathE:\Program\nodejsI think a lot of the problems I came across were related to this.OK, and then I'm happy to open node, enter it under CMDNPM Install-g ExpressIt is sure to error, the exact mistake I

step will be downloaded to github on the download file and progress, the fourth step is to install NPM to node. JS will copy several file cmd files and Mode_modules folder to the Nodejs directory.This configures NPM.If you need to install what module directly enter NPM Install * * *.No NPM or Windows users can use GitHub to download Socket.io and put it into the Node_modules folder, specific configuration

This article mainly introduces Node. in js, the Request module provides a basic tutorial on how to process HTTP requests. The request also supports OAuth signature requests, which are very powerful. If you need them, refer to the following section to introduce a Node. js mod

node. js v6.6.0 (current) is released, and node. JS is a set of JavaScript toolkits for writing high-performance Web servers (Getting Started tutorial qkxue.net), as shown in this update:Notable changesCrypto:added crypto.timingsafeequal (). (Not-an-aardvark) #8304Events:mad

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 use github to download socket. io and put it

1. Create a input.txt text file and write something inside.2. Create a Main.js fileVarfs = require("FS"); var data = fs. Readfilesync('input.txt'); (This place must be prefixed with the name of the suffix)console. Log(data. ToString()); console. Log("program execution ends!") ); 3. The results of the code above for synchronization are as follows:$ node main. JS Rookie

We all know that before yarn was released, all Nodejs developers used npm package management tools, and npm tools had a lot of intolerable criticism, this includes slow installation speed and online re-installation every time. yarn is designed to solve the current npm problems. This article introduces the Package Manager Yarn and the installation method. Let's take a look. Preface During the past two days, has Yarn been quietly screen-hunting? Recently, Facebook released a new

established. '); }; //Handling Message EventsWebsocketGame.socket.onmessage =function(e) {console.log (e.data); }; //handling the Close eventWebsocketGame.socket.onclose =function(e) {Console.log (' WebSocket connection closed. '); }; }});Various bug fixes are not valid. And then find out that the reason is chrome side incompatibility: Node-websocket-server, does not support the WebSocket draft-10, and Chrome 14+ browser, on

Stream is an abstract interface, and there are many objects in Node that implement this interface. For example, the Request object requesting the HTTP server is a Stream and stdout (standard output).Node.js,stream has four flow types: readable -readable operation. writable -writable operation. Duplex -readable writable operation. Transform -The operation is written to the data and then the result is read. All Stream objects a

, ELECTROM framework)Disadvantages of Nodejs:New, less peopleLess middlewareThe IDE is not perfect.Nodejs's weaknesses and solutions? multicore is not supported by default, but can be resolved with cluster? server clusters are not supported by default and Node-http-proxy can be resolved? using Nginx for load balancing, static nginx processing, dynamic processing by NodejsForever or Node-cluster for disaster

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 simple Web server, you need to learn several important modules in Nodejs, such: the http

The first chapter of the original tutorial https://github.com/nswbmw/N-blog/wiki/_pages. Because of the version number and other reasons, in the original tutorial based on a slight modification can be achieved.Environment:Win7 Flagship edition 64-bitnode.js:0.10.31mongodb:2.6.4express:3.xEffect: User interface:Login interface:watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvzg9uz3noyw9zahvhaq==/font/5a6l5l2t/fo

encryption is also very simple easy, is the ordinary hash added a salt value. Return to the theme, found that this module can also generate a random number, so, hee,/** * Gets a random 10-digit number */exports.validcode =function (callback) { crypto.randombytes (10,function (ex,buf) { if (ex) Throw ex; Callback (BUF); });Carefully looked at, all is the bug, the road is still very long ah, next completes the login, then is consummates this several modules, the log, the encry

Roughly read a Nodejs book for a while, have a preliminary understanding of grammar. But I still can't write an example. Recently my seniors gave me this book is very introductory "node. JS Real" electronics industry press. After all, the library borrowed, the publication time is two years ago. A lot of code has been updated. In particular, the Express 4.x has a lot of modifications compared to the Express

Recall that I wrote node. js and MongoDB Blog, are the Novice tutorial there is the knowledge, so I intend not to write, those are the foundation, in the project development, I found that there is no basis for the foundation, these basic can learn quickly, and then learn the project development processHere are links to two tutorials:https://www.runoob.com/nodejs/

; En-us; rv:1.8.0.12) gecko/20070731 ubuntu/dapper-security firefox/1.5.0.12', 'mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; trident/5.0; SLCC2;. NET CLR 2.0.50727;. NET CLR 3.5.30729;. NET CLR 3.0.30729; Media Center PC 6.0;. net4.0c;. net4.0e; Lbbrowser)', 'mozilla/5.0 (X11; U Linux i686; En-us; rv:1.9.0.8) Gecko fedora/1.9.0.8-1.fc10 kazehakase/0.5.6', 'mozilla/5.0 (X11; U Linux; En-US) applewebkit/527+ (khtml, like Gecko, safari/41

', () ={assert.strictequal (sum (), 3); }) It (' Sum (should) return 6 ', () ={assert.strictequal (sum ((6),); }) })})First Mocha must have an assertion module. The assert in the figure is from node. js. Simply assert a class that does some comparison operation on the incoming data.The two parameters of the describe function are the description of the test and the code area of the test. Describe can nes

The only reason for writing this series is that cainiao, like bloggers, can't remember how express is used, but will assume that cainiao are familiar with JavaScript and node. basic JS usage and ASP. net MVC. I will try to add some knowledge points in the example that correspond to ASP. NET MVC. You can move to https://github.com/visionmedia/expressto download the source code. The example is in examples u

Download and install MongoDB downloadReference: MongoDB official website http://www.mongodb.org/Download Mongodb-win32-x86_64-2008plus-ssl-3.0.0-signed,msiTip: See how many bits the system isWMIC OS get OsarchitectureInstallationReference: official website Tutorial http://docs.mongodb.org/manual/tutorial/install-mongodb-on-windows/?_ga=1.253820552.1291971383.1425393574All the way to the point, and specify t

How many times have you found yourself viewing stack traces in a terminal or monitoring system, but you can't see why? If your answer is "many times", then you should look at this post. It doesn't matter if you don't run into this kind of situation often, you can also read this article for boredom.When dealing with complex data from a node. JS server, it is important to learn from the errors that can be ret