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Three Node. js code optimization methods you have not known, and three node. js codes are unknown. The running of Node. js programs may be limited by the CPU or input/output operations, but it is very slow. From the CPU perspectiv
This article mainly introduces how to run Node. js IIS extension iisnode installation configuration notes, iisnode extension can put Node. js programs are hosted in IIS. after hosting, various functions in IIS can also be used. if you need them, refer to your plans to use Node
can edit and compile it in vs2013.Of course, you can also directly use the node-gyp build command to compile.The test js program is as follows: The code is as follows:Var hello = require ('./hello ');Console. log (hello. hello ());Some problems were encountered, as shown below:1. C: \ Users \ Administrator. node-gyp \ 0.10.33 directory does not have the default
This article mainly introduces the implementation of sleep function instances in nodejs. This article describes the development process and performance testing of the sleep function, for more information about Node. js, the most unpleasant thing is its single-threaded feature. many things cannot be done. for CPU-intensive scenarios, the performance is not strong enough. For a long time, I wanted to seek som
Give full play to the performance of Node. js programs and give full play to node. js A Node. JS process only runs on a single physical core. This is because you need to pay special attention when developing scalable servers. Beca
, it is actually a JSON object.(4) Database Design: We recommend that you consider NoSQL design and discard the design concept of relational data. In fact, NoSQL database design is profound and requires constant practice in projects.(5) User System: each database has its own administrator. You can: The Code is as follows: Use dbname; db. addUser ('root _ 1', 'test '); (7) It is recommended to change the external Port (8) start the service (this is a change in Windows and linux ): The Code is
Node. js common module collection and node. js collection It collects some common modules in NodeJS development.MVC Framework-Express Express is a lightweight and flexible Nodejs Web application framework that can quickly build websites. The Express framework is built on the built-in Http module of Nodejs, And the Http
This article mainly introduces how to use Node in MacOS. simple js tutorial, Node. js is a framework that allows JavaScript applications to run on the server. If you need JavaScript, you can refer to this article for a good Node. js
This article mainly introduces how to use Node in MacOS. simple js tutorial, Node. js is a framework that allows JavaScript applications to run on the server. if you need JavaScript, you can refer to this article for a good Node. js
Node. js supports multi-user web Terminal Implementation and security solutions, and node. js supports multiple users As a common feature of local IDE, terminal (command line) supports git operations and file operations of projects. For WebIDE, without a web pseudo-terminal, only the encapsulated command line interface
This article mainly introduces the use of Node. js is used to handle the encoding of front-end code files. It is easy to handle Encoding Problems in related class libraries of Node. If you need a friend, you can refer to how to use NodeJS to compile front-end tools, the most common operations are text files. Therefore,
. ### end init info # chkconfig: 345 88 08 # description: Forever for Node. jsDEAMON =/node. js/XiyouLibNodeExpress/bin/www # enter the startup script file LOG of your Node project. =/node. js/log # (optional) log file directory P
successful command execution. const childProcess = require('child_process');const ls = childProcess.exec('rm spawn.js', function (error, stdout, stderr) { if (error) { console.log(error.stack); console.log('Error code: '+error.code); } console.log('Child Process STDOUT: '+stdout);}); Normally, the spawn. js f
(req, res) {// if you send a GET request to 127.0.0.1: 1337/test? Var url_info = require ('url') If a = 1 B = 2 '). parse (req. url, true); // check whether requestif (url_info.pathname = '/test') for/test {// use url encode for query, in this way, you can use post to send var post_data = require ('querystring '). stringify (url_info.query); // optionvar post_options of post = {host: 'localhost', port: 1337, path: '/response_logic', method: 'post', headers: {'content-type': 'application/x-www-
Node. js builds local servers to easily solve cross-origin problems. node. js local servers Recently, I used a demo written with jquery to run it. At the beginning, I forgot to enable the local service. As a result, the console always reported XMLHttpRequest cannot load file: // C: /Users/79883/Desktop/ajax/data. json?
This article mainly introduces how to run Node. js IIS extension iisnode installation configuration notes, iisnode extension can put Node. js programs are hosted in IIS. After hosting, various functions in IIS can also be used. If you need them, refer to your plans to use Node
represents the synchronous execution of the read file operation, which blocks the main process so that the main process can continue after the file is read, and the result is as followsG:\nodejs>node Server.jsi'm file.txtoverNon-blocking codevar fs = require ("FS"); Fs.readfile (thefunction (err, data) {if return console.error (err); Console.log (Data.tostring ());}); Console.log ("over"); Note: The erro
Talking about node. js database Exception Handling, talking about node. js Exception Handling This article describes how to handle node. js database exceptions: NodeJs version: 4.4.4 Database Link
This article mainly introduces Node. for details about how to build a js barcode recognition program, refer to the following article. We will show you a very simple method to build a custom Node module, this module encapsulates the Dynamsoft Barcode Reader SDK and supports Windows, Linux, and OS X. At the same time, we will demonstrate how to integrate this modul
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 cmd command line of the installation root dire
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