node js cluster module

My Node. js learning path (4) -- unit test and node. js unit test NPM installation: Npm install nodeunit-g Supports command line and browser running. Various assertions. In node. js, modularize the method to export exports. If it

Sails is an intermediate Node. js architecture that helps us easily build web applications. And node. js and Sails log mechanisms have also been mentioned in this Article. If you need them, you can study them together. This article will start with the installation of sails and then introduce

);});});}). listen (0, 8080 ); Dbutil. js Var mysql = require ('mysql'); // import mysql Module var pool = mysql. createPool ({host: '2017. 168.140.237 ', user: 'root', password: '000000', database: 'command3g'}); // query the SQL statement function query (strSQL, param, callback) {pool. getConnection (function (err, connection) {connection. query (strSQL, param, function (err, rows, fields) {if (err) thro

Getting started with Node. js-how to upload a node. js File Author: zhanhailiang Date: This article describes how to use Node. js to upload files. 1. initialize the project information: npm init [root@~/wade/nodejs/nodejs-upload-i

: Command This method can add a command in the command line. After you execute this command, you can execute the logic in the callback. The usage is as follows: commander .command('init The specific results are as follows: Read and Write User Files Through the above steps, we have been able to complete a simple scaffold. Below, we need to read the user configuration and generate some template files for the user. Read files Now we need to read the user's cm-cli.json profile for some configura

) {var stream = fs. createReadStream (path); // read stream. pipe (res); // stream reading is delivered in pipe mode}); server. listen (0, 3000 ); 2. tempServer. js ==> temporary file Sever, intermediate cache layer, multi-client download Var http = require ('http'); var fs = require ('fs'); var sourceReadStream = fs. createWriteStream ("BigFile. iso "); // write stream var GrowingFile = require ('growing-file'); // a third-party

In the professional software development process, no matter what platform language, now UnitTest is required. Node. js has the Assert of built-in. Today, let's take a look at the Node. js unit test. Here we use nodeunit for NPM installation: Npm install nodeunit-g Supports command line and browser running. Various ass

Global Object of basic Node. js tutorial, basic node. js tutorial Global Objects in basic Node. js tutorials In browser JavaScript, window is usually a global object. The global Object in

What is node. js?Nodejs is a JavaScript toolkit for writing high-performance Web servers (for JS development service-side programs)Single-threaded, asynchronous, event-drivenFeatures: fast, memory-consumingA millions concurrency test on the web, which consumes 16G of memory without optimization, is due to the asynchronous processing of events after single-threade

Node. js crawlers crawl garbled data. node. js crawlers crawl garbled data. 1. Non-UTF-8 page processing. 1. Background Windows-1251 Encoding Such as Russian site: https://vk.com/cciinniikk Shameful discovery is this encoding Here we mainly talk about the problems of Windows-1251 (cp1251) encoding and UTF-8 encoding.

This article mainly introduces three unknown Node types. js Code optimization methods help you optimize code. If you are interested, refer to Node. the running of js programs may be limited by the CPU or input/output operations and very slow. From the CPU perspective, one of the typical causes of slow running is the un

;}.nextpage a{float:right;text-decoration:none;padding:.5em 1em;color:#ff0000;font-weight:bold;}.prepage a:hover,.nextpage a:hover{text-decoration:none;background-color:#ff0000;color:#f9f9f9;-webkit-transition:color .2s linear;}Effect: 11 articles published above = Click Next page The ghost code requires more activity and more water. In the example of creating a microblog in the nodejs Development Guide, an error is reported during the process of creating a registered account. It is setting

(16 );Var head_2 = newBuf [1]. toString (16 );Var head_3 = newBuf [2]. toString (16 );Var head_4 = newBuf [3]. toString (16 );Var head_iden = head_1 + head_2; Var tempFileType = FILE_TYPE_CONFIG [head_iden];If (! TempFileType ){Head_iden + = head_3; TempFileType = FILE_TYPE_CONFIG [head_iden]; If (! TempFileType ){Var msg = "Unknow fileType" + new_file_path + '-' + fileType;ShowLog (msg );Continue;}} If (tempFileType! = FileType ){Var msg = "Error fileType" + new_file_path + '-' + fileType + '|

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

Node. js public platform development tutorial, node. js public How can nodejs be used to develop public platforms? Let's not talk about anything more. First, let's briefly introduce the basic principles of the public platform. The server is equivalent to a forwarding server. A terminal (such as a mobile phone or tablet

// Package1 2 var Package2 = require (". /package2 " 3 console.log ("Name:" + package2.getname ()); 1 // Package2 2 var name = "Lyjn"; 3 4 /* Todo:exports Set a GetName method to get the name */ 5 function () {6 return name; 7 };Fully OK2. Knowledge points in node only module scope, no global scope require the main role1.加载模块并执行模块中的代码;2.返回exports对象;Exports object1.所有模块都有一个exports对象，默认值是一个空对象`{}`;

Node. js implements port forwarding and node. js port forwarding This article shares the node. js port forwarding implementation code for your reference. The specific content is as follows: #!/sbin/

This article mainly introduces Node in Linux. the method for configuring MySQL or Oracle databases in js programs. By default, the Node environment has been assembled and we can use the npm package management tool for configuration. For more information, see Mysql usageInstall the mysql module: Run the command in the c

This article provides a summary of how node. js implements file operations, which is very detailed and comprehensive. I hope you will enjoy Node. js and file operations in the same way as other languages. Not to mention node. in js