how to know node js version

) + '\ n');} var warn = function () {writeerror (format. apply (this, arguments) + '\ n');} var error = function () {writeerror (format. apply (this, arguments) + '\ n');} var dir = function (object) {var util = require ('util'); process. stdout. write (UT Il. inspect (object) + '\ n');} var time = function (Label) {Times [label] = date. now ();} var timeend = function (Label) {var duration = date. now ()-Times [label]; exports. log ('undefined: nanm', label, duration);} var trace = function (La

dependencies The Code is as follows: {"Name": "application-name ","Version": "0.0.1 ","Private": true,"Scripts ":{"Start": "node app. js? 1.1.9"},"Dependencies ":{"Express": "3.4.8 ","Ejs ":"*","Mongodb ":"*"}} Then run npm install to download the new dependency package. In this way, the mongoDB-related driver is available. To connect to mysql and other datab

small. Download the One-watt library. 9 13. There are too few materials and the ecosystem has not yet been established 14. No Default debugging supported by ide 9 15. Disadvantages: 1. Not Suitable for CPU-intensive applications; 9 . Only single-core CPU is supported, and CPU 9 cannot be fully utilized 17. 3. low reliability. Once the code crashes at a specific stage, the entire system crashes. 9 . The quality of open-source component libraries is uneven, fast updates, and backward incompatible

First, write in frontEveryone wants to be a full stack of farmers, as a web front-end developers, to the full stack of simple road, it seems to be node. js. I learned about node. js a while ago to talk about how to quickly build your own Web services and start the whole stack.Ii. installing

"); }); }); }).listen(8080); console.log("Serverrunningathttp://localhost:8080/"); Thanks to Mike Amundsen for providing similar implementations of this Code. This example is a piece of code submitted by Devon Govett on Nettuts +. Although it has been updated based on the new version of Node, the entire post of Devon is a very good entry-level learning material, this is especially true for beg

management software versions of node with 2 versions of Io.js. Node is v0.10.38 (the latest version of the 0.10 branch) with v0.12.2 (the latest version available) Io.js we compared v1.8.1 (the latest version of the 1.x branch) with v2.0.0 (the latest release).The test uses

I have no knowledge of node. js, pure white one, want to learn the original intention is to understand what node. js is what, can use it to do something, white is the curiosity. Next, record your learning process.Note: If you have any errors, please indicate that you learn from each other. Segmentfault StackOverflowWho

Express is a simple and flexible node. js Web application framework. It provides a series of powerful features to help you create various Web applications. Next, we will analyze it step by step. Do not leave node installation (download) and create a directory on your machine to start your first application. $ mkdir hello-world In this directory, you will defin

dependency separation. If all of the key business logic is encapsulated as a rest call, it means that you need to think about how to build a specific application with these rest interfaces on top. Those back-end programmers don't worry about how specific data is delivered from one page to another, and they don't have to worry about whether user data updates are asynchronously acquired through Ajax or by refreshing the page.3, a large number of Ajax requestsFor example, the personalization appli

Whether NPM or other Front-ent Package Manager tools is all writtent by node, therefor, if we want to use it, we should I Nstall node at first.HTTPS://nodejs.org/en/After installing node, we'll get NPM to manage your JavaScript packages.As we all know, NPM are a package manager for JavaScript and word ' s largest softw

Tags: mongodb node. JS Express Angularjs DatabaseIn order to save the user data and business data for a site, a database is usually required. MongoDB and node. JS are particularly well-matched because MongoDB is a document-based, non-relational database that is stored in Bson (the lightweight binary format of JSON), an

= function (object ){Var util = require ('til ');Process. stdout. write (util. inspect (object) + '\ n ');}Var time = function (label ){Times [label] = Date. now ();}Var timeEnd = function (label ){Var duration = Date. now ()-times [label];Exports. log ('undefined: nanm', label, duration );}Var trace = function (label ){// TODO probably can to do this better with V8's debug object once that is// Exposed.Var err = new Error;Err. name = 'track ';Err. message = label | '';Error. captureStackTrace

');}Var dir = function (object ){Var util = require ('til ');Process. stdout. write (util. inspect (object) + '\ n ');}Var time = function (label ){Times [label] = Date. now ();}Var timeEnd = function (label ){Var duration = Date. now ()-times [label];Exports. log ('undefined: nanm', label, duration );}Var trace = function (label ){// TODO probably can to do this better with V8's debug object once that is// Exposed.Var err = new Error;Err. name = 'track ';Err. message = label | '';Error. captur

Recently, I want to find a lightweight service development platform that supports rapid development. I chose Node. js, there were several options at that time: Python + Django (using Django, although the development is fast, but the performance is not very good ). Ruby + ROR ). Node. js. Now that you have selected

How to install node. js and express in CentOS Linux, centosnode. js Preface Recently, we need to install and use node. js and express because of work requirements. However, I have found many steps and various problems on the Internet, so I 'd like to summarize them myself. 1

Shortly after CoreOS and Docker parted and launched their own container engine rocket, there was a split message from node. js. Because of the long-standing dissatisfaction of node. JS's contributors to the management of node. JS by the company responsible for

about webmatrix, go here ). With the upgrade of the webmatrix version and the popularity of node. JS, it also strengthened its support for node. js and related technologies. Reprinted please indicate Source Address: http://www.cnblogs.com/aNd1coder/archive/2012/06/17/2552

Npm is a module dependency management tool for Node. js. As a tool used by developers, it mainly solves problems encountered during Node. js development. Like RubyGems's importance to Ruby developers and Maven for Java developers, npm's importance to Node.

) + '\ n ');}Var warn = function (){WriteError (format. apply (this, arguments) + '\ n ');}Var error = function (){WriteError (format. apply (this, arguments) + '\ n ');}Var dir = function (object ){Var util = require ('til ');Process. stdout. write (util. inspect (object) + '\ n ');}Var time = function (label ){Times [label] = Date. now ();}Var timeEnd = function (label ){Var duration = Date. now ()-times [label];Exports. log ('undefined: nanm', label, duration );}Var trace = function (label ){

traffic. From an engineering standpoint, such layering is necessary, but it can lead to overhead-more memory transfers and out-of-the-box call-outs in V8 VMS-and hinders optimizations.So in node. JS v0.12, the TLS module is rewritten directly with LIBUV. Now it pulls the incoming network traffic directly out of the encryption, without passing through the middle tier.Although this evaluation is less scienti