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Directly on the code, this is the first version, you can judge the extensionvarHTTP = require (' http ');varExpress = require (' Express ');varFs=require ("FS");varPath=require ("Path");varMIME = require (' MIME '));varApp =Express ();varCurrdir = ' F:\\users\\djyk\\74dj.mp3 '; App.get (‘*‘,function(req, res, next) {varReqpath =decodeURI (Req.path); Console.log (Reqpath); varfilepath =Path.join (Currdir,reqpath); Fs.lstat (filepath,function(err, stat) {if(err) {if(Err.code = = = ' ENOENT ')) {R
ArcGIS Server for JavaScript Local deploymentThe first time you use ArcGIS Server for JS Development, there are many shortcomings in the experience, so I will be in the development process encountered problems written to share with you. There is no shortage of places also hope to correct, learn together.First, the ArcG
What we're going to share today is to use Html2canvas to build on your needs., and Fix Html2canvasBlur, and bypass server picturesSave to local。Just a few lines of code can be handy depending on the DOM you want, but the resulting image is blurryDirectly select the DOM you want, but because of the canvas, the resulting image is blurred Html2canvas (document.queryselector (' div ')). Then (function (canvas)
Reprint: https://www.cnblogs.com/shenyixin/archive/2012/03/08/2385376.htmlChinese:Sys.WebForms.PageRequestManagerParserErrorException:The message received from the server cannot be parsed, and the common reason for this error is that the response filter, httpmodules, or server trace is enabled when the corresponding modification is made by calling Response.Write ().More information: An error occurred while
This article mainly introduces several important knowledge points of node. js: The Role of node. js, callback, synchronous and asynchronous code, event loop 1, and the role of node. js, The meaning of I/O. Move the mouse to see t
Why is Node. js so popular? Why is Node. js popular? Why is node. js popular? Node. js is a server
configuring Run Npm is CTRL + F5. Maybe you prefer F5, but F5 has been occupied by the Run Command. If you really want to grab it, cancel it first. Open the HelloExpress example in Notepad ++ (seeInstallation and Use of Express), And press CTRL + F5 to see the following results: Now, our Notepad ++ can be used for Node. js development. You don't have to switch back and forth between the editor and the com
running as a service, you can use the IIS application Request Routing (ARR) to proxy to your Node. request initiated by js application port. About MS SQL Many of them are Node. js-prepared ms SQL driver, some or even cross-platform. one of them can only run in a Windows environment, which is released by Windows Azure
This is the first article in the Node. js Study Notes series. It mainly explains how to install Node. js on Windows and Linux. The software installation version 0.12.0 is used as an example. I hope you will like it. Simply put, Node. js
This article will share with you the use of node. js is used to develop Weibo instances. After reading the nodejs Development guide, I found that many of the Code in the book is no longer available, because the express version has been upgraded, so today, I will try to develop Weibo instances and recommend them to you. I have been persistently engaged in front-end development before. In recent days, I start
JavaScript on the web. Firefox has an engine called SpiderMonkey, Safari has javascriptcore,chrome V8 node. JS is the V8 engine with the ability to manipulate I/O and the network library, so you can use JavaScript to create shell scripts and background services outside the browser or to run on hardware JavaScript is a web front-end language that is used primarily for web development and is performed
This article mainly introduces four js key points that Node. JS developers must understand. Node. js is a server-oriented framework based on Chrome's powerful V8JS engine. Although it is compiled by C ++, it and its applications r
(' Hello node. js ');Console.log (function() {return "result";} ());(function() {console.log ("Hello node. js"); return "Result";} ()) III: Installation of the node. JS module, viewing, uninstallingThe installation of
Step by step teach you how to build the node. js service under win7 What is node. js? Return the server-side JavaScript? In this articleArticleIf you do not want to explain it, you can search and find out that server-side
following page is displayed: Step 3: select the accept protocol option and click next: Step 4: The default installation directory of Node. js is "C: \ Program Files \ nodejs \". You can modify the Directory and click next (next ): Step 5: Click the tree icon to select the desired installation mode, and then click next (next) Step 6: Click Install to Install Node
uft-8)The following code is written in Main.js:var // node built-in module can be directly introduced into FS: File system Operation module fs.readfile ("./a.txt", "utf-8",function(err,data) { // Read the file ifthrow err; Console.log (data);}); SetTimeout (function() { console.log ("Timer print! ");},0);After you run main.js with node, you will notice that the timer is printed first (increase
Today, front-end development avoids local service development, and most will choose node as the Local service development layer, including koa,express. Webpack do Local Service Webpack-dev-server (also an express service)Local
This article mainly introduces Node. js module loading details. This article describes how to load core modules, file modules, directory modules, and file Loading modules, for more information, see JavaScript, one of the most frequently used programming languages in the world. It is a common language in the Web world and used by all browsers. JavaScript was born in the era of Netscape, and its core content
This article mainly introduces Node. js module loading details. This article describes how to load core modules, file modules, directory modules, and file Loading modules, for more information, see JavaScript, one of the most frequently used programming languages in the world. It is a common language in the Web world and used by all browsers. JavaScript was born in the era of Netscape, and its core content
Through node-mysql Build Windows + Node. js + MySQL environment tutorial, node-mysqlnode.js Preface MySQL is a common open source database product and is usually the first choice for free databases. After checking the NPM list, I found that Nodejs has 13 databases to access MySQL. felixge/
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