the MongoDB Server:
$ node -v$ mongod
Introducing scripting JSJavasjs is a brilliant little node. js package that lets you access MongoDB using an API that is extremely similar to MongoDB's JavaScript shell.
Installing upload JSOnce node.
This article analyzes and explains node through several examples. the use of require in js is very detailed. Here we recommend that you provide a very clear description in the code comments. Here we will not talk nonsense about it. We will provide the Code directly:
The Code is as follows:
/* In node, you can use the require () function to load modules.* The r
In node. js development, the Node Supervisor is used to modify the monitoring file and automatically restart the application. node. jsnode
In the development or debugging of Node. when you modify a js application, you always need
installed in the system: ' $ dpkg--get-selections | grep nodeax25-node installnode Install "" If you are thinking of an older version of node in your system, you need to execute the following statement to uninstall: "' $ sudo apt-get remove--purge node ' # # # # # # Install node.
application. Create a new file named by any name, such as "index. js", and add the following js Code to it:
var http = require('http');var fs = require('fs'); http.createServer(function(req, res){ fs.readFile('index.html',function (err, data){ res.writeHead(200, { 'Content-Type': 'text/html', 'Content-Length': data.length }); res.write(data); res.end(); });}).listen(1337, '127.0
This article describes how to build a Node based on zero infrastructure. js, Express, Ejs, Mongodb server, and application development. This article provides a cost tutorial for Windows 8 systems. For other systems, see, if you need a Node, refer to the Introduction Guide for front-end developers in this article. in js
This article describes how to build a Node based on zero infrastructure. js, Express, Ejs, Mongodb server, and application development. This article provides a cost tutorial for Windows 8 systems. for other systems, see, if you need a Node, refer to the introduction guide for front-end developers in this article. in js
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. JS will continue to fire in 2018? Don't even know? Then come to the article, learn more
This article mainly introduces Node. the buffer and stream modules in js are described in detail. This article describes the Buffer modules, classes: buffer, write Buffer, copy buffer, and stream module. For more information, see
Buffer module
Js was originally designed for browsers, so it can handle unicode encoded strings well, but cannot process binary data w
the I/O operation is notified in the form of an event. The thread will process the event at a specific time.
1.2 event loops and callback Functions
The so-called event loop means that Node will solve all asynchronous operations using the event mechanism, and a thread is continuously detecting the event queue cyclically. The event loop checks whether there are any unprocessed events in the event queue until
developers today. As an elastic, lightweight, and easy-to-use framework, Express. js can be used to develop pure JS or hybrid mobile applications that are easy to expand. If some data on the Internet is not a plug-in, there are already 26000 networks and mobile applications in the world using this framework for development. Some famous user Fans include MySpace,
This article mainly introduces how to install and run the Node. js environment. Node is a JavaScript interpreter based on the GoogleChromeV8 engine. For more information, see
InstallerNodeJS provides some installation programs that can be downloaded and installed at nodejs.org.
In Windows, select an installation file with the. msi suffix that matches the system
frameworks.
Express. js-the most popular framework
Express. js is undoubtedly the Node. js development framework most favored by network application developers today. As an elastic, lightweight, and easy-to-use framework, Express. js can be used to develop pure
identifiers not to fill in the extension, Node will try extension in order of. js,. json,. node.2) Directory analysis and package: If no corresponding file is found after the above File Extension Analysis, but a directory is obtained, Node will treat the directory as a package for processing
2.3 compile and execute
Af
This article introduces how to use C ++ in window7 to compile the extension module for node. js, and attaches a simple hello instance. For more information, see. Prerequisites: Install node. js, Python2.7, and visual studio 2013.
Process:Install the GYP project generation tool npm install-g
This article describes how to use Node. js to compile extensions for other programs. The example in this article is to use Node to allow JavaScript code to interact with C ++ applications. For more information, see
Start preparation
First, we use the following directory structure to create a node notification folder.
For node. JS Development, in the case of the IDE,Webstorm is not the second choice, but it is chargeable (free to use for 30 days). First, let's start by using notepad++ to write the node. JS application. There's a big benefit to this: there's no code highlighting and auto-c
This article mainly introduces Node. three implementation methods of js writing components, including pure js implementation, v8API implementation (synchronous amp; asynchronous), and implementation using the swig framework, if you are interested, refer to the following: first, we will introduce the differences betwee
This article gives you a detailed description of the method and step for implementing multi-process using the cluster module in nodejs, which is very detailed and comprehensive. If you need it, you can refer
First, solemnly declare:
NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language!NodeJS is a single thread! Asynchronous! Non-blocking language!
The important thing is said th
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