how to check node js version

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

The biggest feature of zookeeper Node. js is the close integration of asynchronous I/O with events. This mode is very different from the traditional synchronous I/O linear programming approach, because the control flow depends largely on events and callback functions, A logic is split into several cells. Contents: blocking and thread 1. synchronous I/O or blocking I/O threads usually take a long time if the

Definition: node. js is a JavaScript running platform running on the server side using the Google V8 engineFeatures: 1. asynchronous I/O (non-blocking I/O) 2. Event-drivenWhat is asynchronous I/O (non-blocking I/O)?To understand what asynchronous I/O is (non-blocking I/O), you must first understand what I/O, what is blocking, and what is synchronous I/O (blocking I/O).Definition of I/O: threads are collecti

1. Download Nginx Download, the latest version is 1.11.5 Address: http://nginx.org/en/download.html PCRE (Nginx installation required dependency package) download Address: https://sourceforge.net/projects/pcre/files/pcre/ Nginx_upstream_check_module (Nginx back end node Health Check plugin) download Address: Https://github.com/yaoweibin/nginx_upstream_check_modul

update $ sudoapt-get install npm Install Node. js in Fedora Node. js is included in the base repository of Fedora. Therefore, you can use yum to install Node. js in Fedora. $ sudoyum install npm If you want to install the la

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

Please check that the DBTYPE node database type is correct in dnt.config, for example, SQL Server, Access, MYSQL Note: An unhandled exception occurred during the execution of the current Web request. Check the stack trace for more information about the error and where the error occurred in the code. Exception Details: System.Exception:

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

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

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

the wget http://nodejs.org/dist/node-v0.4.7.tar.gz in the Command window and press Enter. Note: I am writing this article about node. the latest version of JS is node-v0.4.7, http://nodejs.org/dist/node-v0.4.7.tar.gz is

on the implementation of high-performance Web server optimization experts, after several exploration, after setbacks, encountered V8 and the birth of the project.The organizational structure and management model of the node. JS Projectnode. js with the jsconf EU conference and other forms of propaganda, a Silicon Valley-based start-up company noticed the project

desktop. Enter the wget http://nodejs.org/dist/node-v0.4.7.tar.gz in the Command window and press Enter. Note:: I am writing this article about node. the latest version of JS is node-v0.4.7, http://nodejs.org/dist/node-v0.4.7

Using Node. js to capture beautiful pictures in batches through sitemap. xml, node. jssitemap. xml I have read many versions before, and I have made one myself. 1. You can specify the directory to which the file is saved.2. store articles in different directories3. allows you to set the maximum number of parallel downloads. Next time you are free to download the

Brief introduction node. JS is a platform that lets JavaScript out of the browser running on the server, not the language;The JavaScript engine used by node. JS is a V8 from Google Chrome; JavaScript compatibility issues that run outside the browser without having to worry about headachesThe use of singl

your own ladder), no ladder child shoes can go to the Novice tutorial (the Chinese own translation of the site, the content is basically the same), the small spit trough: w3schools exercise too water, 6 questions basic practice are similar, up to two or three places, The final test is actually 24 choice questions, it is difficult to think of it However, it seems that the way people profit is the last certificate after the end of the study, the price is amazing 95 American knives (in foreign kno

. pipe (parser ). pipe (transformer) // process the data transmitted from the previous stream. pipe (es. map (function (data, callback) {up Load (data, function (err) {callback (err) ;}) // listens to the end event of the previous stream. pipe (es. wait (function (err, body) {process. stdout. write ('done! ');})); More Methods You can refer to the https://github.com/jeresig/node-stream-playground, go to the sample site and click add stream to see the

on Fedoranode. JS is included in the base repository of Fedora. Therefore You can use the yum to install node. js on Fedora.$ sudo yum install NPMIf you want to install the latest version of node. js, you can build it from its so

Node. js ~ Deployment on linux and node. jslinux The following uses centOS as an example to deploy the node. js environment. Start centos and download the node. js package. curl --silen