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connections on port 80), simply enter the following command at your command prompt:% node random.js.Here's what it looks like when the server is up and running: [Email protected]:/home/moila/ws/mike# node random.jsrandom number Generator Running ... Here is the code I practiced and how it worked:Accessing the applicationThe application is up and running.
node. js npm Details One, NPM introductionInstall NPM Please read the predecessor's article, very detailed introduction.The full name of NPM: Node package Manager.(1) Popular understandingIn fact, you can literally understand what this product does, translating it into "node package manager." Yes, that's a management t
exports to expose the interface externally. Every time you visit the home page, you will go through the process of creating the connection, each time you can get a new connection, so that access is no problem. In fact, the connection pool can be used directly in the project. Save a lot of trouble. The second problem is that we introduced db.js in the server.js. At this point you may see, Mysql.query has two parameters, the first is SQL, the second
I. Preface1:node.js is essentially a JS run environment written in C + + using the Chrome browser V8 engine2: Compared to JS no browser security restrictions, additional system-level API: File read and write, process management, network communications.3: There are many projects completed with node. js, such as Appjs cr
Implementation of task scheduling and execution in node. JS is not allowed to be reproduced without CHSZS. Permission to reprint should be marked by the author and blog home: Http://blog.csdn.net/chszsBatch processing is a common requirement in business development, such as bank statement processing, such as the push of ad mail.node.
Today, our goal is to use Django,redis, and Socket.io to build a real-time chat room. Although almost all Web applications can be built in a chat room. This article will tell you at a high level how to transform a rest-based application into a real-time web application. I'll use Django to create rest parts, and actually freely use any of your comfortable language/frameworks. Next, let's jump into the code and first enumerate the parts we need. Composition Django 1.4+ Redis 2.6.x (versi
: var http = require('http');var path = require('path');var fs = require('fs');http.createServer(function(req, res){ var lookup = path.basename(decodeURI(req.url)) || 'index.html', f = 'content/' + lookup; fs.exists(f, function(exists){ console.log(exists ? lookup + " is there" : lookup + " doesn't exist"); });}).listen(8080); Run the above program with the supervisor hot deployment tool:$ Supervisor server. js Access address in the
, directly returns the internal module's export object, for example require (' FS '). 2. Node_modules DirectoryNodejs defines a special Node_modules directory for storing modules. For example, if the absolute path of a module is/home/user/hello.js, when the module is loaded with require (' Foo/bar ') in that module, then Nodejs attempts to use the following path in turn./home/user/node_modules/foo/bar/
command directly is likely to have a permissions error. The reason is that NPM needs to install supervisor to the system directory, which requires administrator authorization and can be installed using the sudo npm install-g Supervisor command.Next, start app.js with the Supervisor command: $ supervisor App.jsDEBUG: Running node-supervisor withDEBUG: program ‘app.js‘DEBUG: --watch ‘.‘DEBUG: --extensions ‘node
node. JS supports multiple platform installations, where the win platform installation is relatively straightforward and the following highlights the installation steps for the Linux platform. This article takes the CentOS platform as an example, does not prepare the explanation to take the source code compiles installs the method, but takes the download already compiled executable package on the
This article mainly describes how to use nodejs to create a simple article publishing system. Using mongodb databases, the time is relatively tight, and the function is relatively simple. It only involves addition, deletion, modification, and query, and nearby uploads, if you have the same requirements, refer Preface We are going to create a simple news publishing system today. The first stage of the system does not need to be too difficult. It mainly has the following functions: ① News Type Ma
This article mainly describes how to use nodejs to create a simple article publishing system. Using mongodb databases, the time is relatively tight, and the function is relatively simple. It only involves addition, deletion, modification, and query, and nearby uploads, if you have the same requirements, refer Preface We are going to create a simple news publishing system today. The first stage of the system does not need to be too difficult. It mainly has the following functions: ① News Type Ma
This is a creation in Article, where the information may have evolved or changed. Looking back over the past year, the biggest change we have on the technology stack is switching from node. js to go. Our co-founder, Steve Kaliski, switched node. js to Go in Poptip, but he didn't learn the lessons at the tim
I plan to position my backend framework as a website construction framework. This article provides some of my ideas and preliminary practices. If you have a master who has worked on the back-end framework (no language restrictions) in the garden, please advise. The following is a rough process. The back-end Core File mass. js contains features such as batch creation and deletion of folders, MD5 encryption, type identification, and module loading. At
Node. js framework StrongLoop Study Notes (1)Node. js framework StrongLoop Study Notes (1) I am using node. js is used as the mobile phone background, and the search framework finds that StrongLoop is quite suitable, but it find
A long time ago installed under Windows and under the Mac node, it is still very convenient, not Chengxiang today installed Linux under the pit long time, hereby recorded.First go to the official website to download the code, here must pay attention to the installation of two, one is source code code, one is compiled file. I just follow the online source installation method to operate the compiled files, the results of a long time.Watch out for what f
Object corresponds to documentCreate the project directory and enter it with Root# mkdir/home/test/part9/Direct # NPM Install Mongoose, error is as follows.. /node_modules/nan/nan.h:316:47:error: ' Replace_invalid_utf8 ' is not a member of ' v8::string 'static const unsigned KREPLACEINVALIDUTF8 = V8::string::replace_invalid_utf8;^Make: * * * [RELEASE/OBJ.TARGET/KERBEROS/LIB/KERBEROS.O] Error 1make:leaving directory '/
1. Download the node. JS installation package, please refer to the URL: http://nodejs.org/download/Several ways to install node. JS are available in this URLHttps://github.com/joyent/node/wiki/Installation#installing-on-linuxhttp://my.oschina.net/blogshi/blog/260953The follo
Encoding: Node. jsSupportedUTF-8 ("utf8 "),ASCII ("ASCII ")AndBinary ("binary ")Encoding, relatively speaking,ASCIIAndBinaryIt will be faster,UTF-8It will be much slower and should be avoided as much as possible. Globals Arguments: VaRSys = require ('sys '),Some_argument = process. argv [2]; //Argument exampleIf(! Some_argument ){ReturnSYS. Puts ('usage: node' + _ filename. Replace (_ dirname +
This is a creation in Article, where the information may have evolved or changed. This article introduces the setting up of node. js, Golang and other environments under Ubuntu, and the difference between MAC installation is only two points: When installing Golang dependent libraries, use brew install xxx instead sudo apt-get xxx ; When installing Golang, do not need to download the source code com
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