how to know node js version

As we all know, Nodejs's single-process non-blocking model is suitable for task-intensive (IO) rather than computing-intensive. How many of them are not suitable for computing? The following is a simple hardware platform for testing: Apple Macmini6 and Windows 8. the single-process non-blocking model of js is suitable for task-intensive (I/O) instead of computing-intensive. so how many are not suitable for

',closeByEscape: false}Build an example Let's take a look at my simple example. Use express generator to create a new application, or directly useGetting started with Node. js development-Keep logging on with cookies. .Add a self-written file The ngdialog.htmland servertpl.html files are stored in the public directory of the project, and ngdialog. js files are st

This article mainly introduces common methods of CRYPTO in the NODE. JS encryption module. For more information, see use require ('crypto') to call the encryption module. The encryption module requires the underlying system to support OpenSSL. It provides a security credential encapsulation method that can be used for HTTPS security networks and common HTTP connections. This module also provides a set of h

Describes how to configure npm and webpack in node. js, node. jsnpm Overview Node. js is written in c ++. It is a javascript running environment based on the chrome V8 engine. It disconnects javaScript running from the browser server. It can be used to write server code. 1.

This article mainly introduces the node. js game sharing that allows multiple users to move their mouse online at the same time. This article provides the server and client code and running methods. For more information, see the recent project requirements, so I studied the websocket Implementation of nodejs, socket. io, which is a widely used framework of nodejs background applications websocket. Preparat

Use coffeescript to compile the method summary of the node. js project, node. jscoffeescript Node. js writes applications based on JavaScript. JavaScript is my main development language. CoffeeScript is a programming language compiled into JavaScript. In fact, the CoffeeScri

Detailed description of Node. js in Wondows using the MongoDB environment configuration, node. jsmongodb A database is usually required to store Website user data and business data. MongoDB and Node. js is a perfect fit, because MongoDB is a document-based non-relational dat

This article mainly introduces node. socket. js. i/O advanced usage skills. This article describes the configuration, room, event, authorization, and other content. For more information, see Socket in the previous blog. IO, I briefly introduced Socket. i/O basic usage and a simple chat room DEMO is created. This article will continue to explore the advanced usage of Socket. IO Based on the introduction. Thi

Basic tutorial on how to use the Request module to process HTTP requests in Node. js, node. jsrequest Here we will introduce a Node. js module -- request. With this module, http requests become super simple. The Request is simple and supports both https and redirection. Va

What is node. js? Return the server-side JavaScript? I will not explain this concept in this article. I can search for it myself to find out that server-side JS is not a new technology, but a recent node. the popularity of JS broke out. I will explain what

Node. js uses cluster to implement multi-process, node. jscluster First, solemnly declare: NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language! The important thing is said three times. Because

on github has been fixed (it should have not been released to npm ), when a connection error event is triggered, the connection object is removed from the connection pool. (Source Code: https://github.com/felixge/node-mysql/blob/master/lib/Pool.js#L119)Code for using the pool: var mysql = require('mysql');var pool = mysql.createPool(config);pool.getConnection(function(err, connection) { // Use the connection connection.query( 'SELECT something FROM s

\":\"test11\"}}" http://localhost:3000/leaderboards View the TOP 10 commands as follows: curl http://localhost:3000/leaderboards In standard REST definitions, POST and PUT have different meanings. GET can distinguish a single resource or a list of resources. We have simplified this application. Both ADD and UPDATE use POST in a unified manner, and there is no distinction between a single resource and a list. The TOP 10 Data is directly returned. Some preparations Install

Build a node. js and npm working environment in windows, node. jsnpm Recently, after studying the data visualization D3 framework, I decided to build a node. js and npm working environment under windows. I checked n Articles on the internet, regardless of whether to compile

This article mainly introduces node. fs. realpathSync method usage instructions. This article introduces fs. realpathSync method description, syntax, receiving parameters, use instances, and implementation source code. For more information, see Method description: Synchronous version of fs. realpath (). Syntax: The Code is as follows: Fs. realpathSync (path, [cache]) Because this method belongs to the f

Node. js mongodb ReplSet, node. jsmongodb With the rise of web, applications with high concurrency and large data size have increasingly obvious performance requirements for Rapid database response. traditional relational databases are somewhat weak in this regard. The emergence of memory DB makes up for the shortcomings of traditional relational databases. Curre

Leadership to find a conversation, the company is not mixed, said to think clearly after the direction of development what. Just think of node. js.First of all, look at the introduction, the general understanding of node. js, Baidu Search is indeed a lot of chaos, feeling or know the point. Attach the known topic

What is node. js? Return the server-side JavaScript? In this articleArticleIf you do not want to explain it, you can search and find out that server-side JS is not a new technology, but a recent node. the popularity of JS broke out. I will explain what

. error ("guoyansi is error ");// Use node app. js 2> err.txt to start this page// One More err.txt file in the same directory will contain "guoyansi is error"// Directly start a non-existing file javascript. js in the command line, as shown in the following code:// Node javascript.

increasing rapidly, but also the quality of the package is significantly better than in other languages. Many star-level packages are simple and dexterous, designed for the use of developers. My most commonly used toolkit, such as Socket.io, Moment.js, Underscore.js, Async.js, Express.js, Bower.js, Grunt.js, forever.js ..., is really changing my previous programming habits. (Want to know more about the Topic.alibabacloud.comnode.js Video tutorial sec