what node js is good for

Express launched a few days ago 4.0, learned that the news, I tried a bit, suddenly found that the previous documents on the operation of a variety of problems. The result is only to see the document, now in this to share the next 4.0 version of the installation.First, if you need to use the Express 3.x version, directly using the @ character in the NMP to determine the version, the instructions are as follows:NPM install-g [email protected]If you nee

Under the C:\Users\xx folder, press SHIFT, right-click to select ' Open command line here ', enter Ren xx.x. NPMRC/* Here is a file that has a known file xx.x modified to a blank file name. npmrc*/or with a generic IDE: EditPlus or Sbulime create the. npmrc file directly, and then edit the file input registry = http://registry.npm.taobao.org The speed of installing the module in NPM will become faster. When you first install NODEJS, the command line i

In the process of writing a project, need to use real-time data push demand, so first think of the Nodejs websocket moduleFind an example of a chat room on the internet and then change it to a push for your needsSome of the problems encounteredReturn data problem: Due to Nodejs is not very familiar with the use of lazy data processing and so on the PHP back-end processing and then use Nodejs to request and then found in the process of the request back

The querystring. unescape method in node. js is described as follows: Method description: This method can be used to override querystring. parse. Syntax: Copy codeThe Code is as follows:Querystring. unescape Receiving parameters: None Source code: Copy codeThe Code is as fol

Front-End newcomer, self-study front-end six months, is a primer. But to the back end of the ignorant, at this time want to master the Back-end knowledge, and conducive to future work, is to learn Node. js good or to learn PHP better, ask for Guidance. Don't give me two to learn, I learn a time I will know the othe

Label:selecterrohandretdes leaseuserlogmysq var Generic_pool = require (' Generic-pool '); var pool = Generic_pool. Pool ({ name: ' MySQL ', max:10, Create:function (callback) { var Client = require (' mysql '). CreateConnection ({ Host: ' 127.0.0.1 ', nbsp ; User: ' Root ', Password: ' 123456 ', database: ' Weibo_gs ' }); callback (null,client); destroy:function (db) { db.disconnect (); }}); Pool.acquire (err, client) { if (err) { //Handle er

Installation of 1.node.jsWindows platform:Windows X64:current version:v4.1.0 https://nodejs.org/en/Note: (The new. msi installer already contains NPM by default)2.node.js Modules installation (The following are common modules)Cli-color Https://www.npmjs.com/package/cli-colorinstallation command:npm install cli-colorEvents Https://www.npmjs.com/package/eventsinstallation command:NPM Install EventsExpress Https://www.npmjs.com/package/expressinstallation command:NPM Install ExpressLog4js Https://w

var Generic_pool = require (' Generic-pool '); var pool = Generic_pool. Pool ({ name: ' MySQL ', max:10, Create:function (callback) { NB Sp var Client = require (' mysql '). CreateConnection ({ Host: ' 127.0.0.1 ', User: ' Root ', Password: ' 123456 ', NBSP;N Bsp database: ' Weibo_gs ' }); CA Llback (null,client); }, destroy:function (db) { db.disconnect (); nbsp }) pool.acquire (function (err, client) { if (err) { //Handle ERROR- This was generally the err

This time has been looking at the express framework of the API, recently saw router, the following is what I think need to be aware of the place:Router module has a Param method, just start to look a little vague, the official website is probably described as follows: 1 Map logic to route parameters. It probably means that the mapp

Step by step teach you how to build the node. js service under win7 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

the cloned Q, and then deserialized to Q, thus enabling the transfer of data between processesTo provide a better user experience, take advantage of Taskstackbuilder's getpendingintent (int requestcode, int flags) in cross-app jumps, The activity in the current task and the activity to be started can be combined into a new task, and the user presses the return key action in this new task, which is equivalent to a cross-task direct jump.Node

This article mainly introduces a simple node. js server example. This article implements a simple helloworld example and shows how to run this server, for more information, see the following example: hello world. It seems that the first section of each language tutorial will talk about this, and we are no exception. First, create a project directory, which can be defined by yourself. In this case, the d

Getting started with Node. js development-notepad ++ for Node. js and node. jsnotepad For Node. js development, IDE,WebstormIt is the best

The fourth chapter recommends 3 hours of study time 10 chaptersHow to learn: read it in detail and implement the relevant code manuallyLearning Goals : This tutorial will teach you to install node, build servers, Express, MySQL, MongoDB, write background business logic, write interfaces, and finally complete a complete project backstage, a total of 10 days is expected.node.

How to install Node. js on Linux and Node. js on Linux Node. js is built on Google's V8 JavaScript engine server software platform. Node.

Node. js and MongoDB-getting started with parse JS Follow node. js and push new knowledge every day It won't be an exaggeration if one claims that in the past few months node. js and M

more about JavaScript, it's not too much to discuss here. But it's really a key advantage of using Node in the development process. as Wikipedia says: "Node. js is a wrapper shell for the Google V8 engine, the LIBUV platform abstraction layer, and the core library that the subject uses Javscript to write. "Beyond that

following command usr/local/' path ' ' sudo tar-c/usr/local--strip-components 1-xzf node-v0.10.34-linux-x86.tar.gz ' Now, You should have installed node. js and NPM under the '/usr/local/bin ' path. You can view the "Ls-l/usr/local/bin/nodels-l/usr/local/bin/npm" from the following command* * Written at the end * *I hope this article will help you. If you are a

Do you know how node. js is on fire? Do you know what is the average wage for node. js now? Did you know that node.

question: What is the ability of JS to speak such a language? (Running platform)A: Now the JS language can be run in the browser (js If it is running on the browser can not operate the disk file), you can also run NodeJs on the se