node js sql server example

This article describes how to use multi-thread programming in nodejs. In this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about node. JS, see the previous blog post. In implementing sleep in node. JS, I will introduce the usage of

; Body>HTML>Scripttype= "Text/javascript">functionrun () {//Changelitext ();}/****************************************************** the startup function called when the window is loaded ****************************************** ***********/$ (document). Ready (function() { $(". Side ul Li"). HTML ("1"); });// -Script>Server.js Code:varHttp=require (' http ');varFs=require (' FS ');varPath=require (' Path ');varMime=require (' MIME ');varCache={};functionsend404 (response) {Response.writ

( 200,{"Content-type": "Text/html"}); Res.write ("); Res.end (");}). Listen(console.log); ("Http server is listening at Port 3000");Open the node command line, enter the directory where you created the Server.js file, and type the node Server.js command to run the server file. Then enter in the browser: http://local

access is normal, the browser will display Hello world! .node server.jsTip: ctrl+c run with Stop script.At this point a simple example runs successfully, and the following is an analysis of the code.Code AnalysisFirst, server.js node. JS is introduced in http模块 , which provides very low-level HTTP API support. Here yo

This article describes how to use multi-thread programming in nodejs. in this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about Node. js, see the previous blog post. in implementing sleep in Node. js, I will introduce the usage of

it first! In the first window ("/start"), press enter, and then quickly switch to the second window ("/upload") and press Enter. Note: Loading the/start URL takes 10 seconds, which is the same as we expected. /Upload URL also took 10 seconds! Yes, it does not perform operations similar to sleep () in the corresponding request processing program. What is the problem? The reason is that start () contains the blocking operation. The image is "It blocks all other processing work ".

Objective These days in order to familiarize yourself with the vue.js framework and the use of Webpack, you are ready to build a simple Web application that publishes and browses Markdwon. Originally wanted to use bash scripts and BusyBox httpd as a background service, but bash script parsing and generation of JSON is very inconvenient, and in the Java language and feel that deployment is not convenient, so think of the use of node.

in the set-top box set, send it to him.Recent attention to node. JS, isn't that the feature of node NiO?Let's start with refactoring, using the innate advantages of node. js, high concurrency, non-blockingFirst, encapsulate the connection.var myclient = function (Client, us

The emerging Node. js has attracted a lot of developers, providing us with a platform to quickly build high-performance network applications. I also started to step into node. js. The emerging Node. js has attracted a lot of devel

time ago in a galaxy far, far away ... The concept of the front end is nothing more than HTML, CSS, JavaScript, the style of the page and the interaction is not so complex now, so only need to complete the basic style display and data manipulation. As time went by ... A variety of complex pages appear, and even appeared angular, react such a large project. To improve the loading speed of web pages, the front end had to flatten all the files together and confuse compression to save traffic an

This article describes how to easily create a node. js server (10): process uploaded images. this is the last article in the series. it contains a complete example of how to process uploaded images, for more information, see the following section. you can upload an image and display it in your browser. Here we will us

callback function. The callback function is the first of the actual arguments is err, and the rest of the arguments are the other returned content. If no error occurs, The value of err will be null or undefined. If an error occurs,err is usually an instance of the Error object. Synchronization mode:Fs.readfilesync (Filename,[encoding]).Fs.openFs.open (Path,flags, [mode], [Callback (Err, FD)])Path, flag is the way to confirm the opening of the file (read-write, read-only, create or not), mode d

In this section, we will show you how to build a simple node. js HTTP Server from a beginner's perspectiveCreate Myfirsthttpserver.jsLets require/import the http Modulevar http = require (' http ');//lets define a port we want to listen toconst port=8080; We need a function which handles requests and send Responsefunction HandleRequest (request, Response) { Re

,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'accept-encoding': 'gzip,deflate,sdch', 'accept-language': 'zh-CN,zh;q=0.8', 'accept-charset': 'GBK,utf-8;q=0.7,*;q=0.3' } We found that all the keys with quotation marks all have '-'. It turns out to be a bad horizontal bar. Reminder:If the key name contains '-', spaces, and other seemingly invalid characters, JS is very tolerant, but you must enclose it in quotation marks. During

1: Download node. js and install it, install it from NPM, choose to install it together.2:node-v display version, npm-v display version.3: I am here to agent to the Internet, first set up NPM agent, if the Internet does not need a proxy, you can skip this step. NPM Config set proxy http://proxy3.bj.petrochina:8080NPM Config set Https-proxy http://proxy3.bj.

When using SPEEDTEST-CLI for testing, there are times when speedtest identify errors. Originally the domestic server instead chose Hong Kong or the United States and other regions of the node, So the test results may not be accurate. So we can do the following to obtain the Speedtest server area for testing. Method 1 Open the Web site below, and then ctrl+f choos

This is a more detailed article, from the servo static files, to support folders, caches, Gzip/deflate,range, are complete with the explanation, the full text reproduced as follows:The structure in our App.js file is clear:var PORT = 8000;var http = require (' http '); var server = Http.createserver (function (request, response) { //TODO}); ser Ver.listen (port); Console.log ("Server runing at Port:" + P

and, if necessary, can be installed using the following command:. To start the next step, create a new JS file that can be named Server.js, with the following code: 123456789101112131415161718192021st22232425262728293031323334353637383940414243444546474849505152535455565758 var http = require (' http ');var url = require (' URL ');var path = require (' path ');var fs = require (' FS '); var dir, arg = process.argv[2] | | ‘‘; command

When you use node to set up a server, when we close the service window, node breaks down, and then, how to keep the service there, node has a good module to do the job, forever. Here are some things to note about the Forever module: Using forever to run NODEJS applicationsWhat Is foreverForever can be seen as a Nodej