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use VM. createscript. First, prepare a file named example. js in the root directory of your node (generally 'C: \ Program Files \ nodejs'). The content is: console.log(output); Run the following code in the node repl command box: var vm = require('vm');var fs = require('fs');var code = fs.readFileSync('example.js');co
RESTRepresentational state Transfer is a set of schema constraints and principles. Applications or designs that meet these constraints and principles are restful.RESTful Web ServicesWeb Service is a platform-independent, low-coupling, self-contained, programmable Web-based application that uses Open XML (a subset of standard common markup languages) to describe, publish, discover, orchestrate, and configure these applications for the development of distributed, interoperable applications.RESTful
(I moved it from my Sina blog and made some changes.) ）recently hooked up to node. js and JavaScript. Now received a live, to parse a taxi point data geographic information. So I thought of using node. js to invoke the Baidu map API for parsing. The main library used is FS,
Example of Node. js readline Reading and Writing File Content line by line, node. jsreadline This article describes the two implementation methods of reading data row by row using readline. The details are as follows: What is Readline? Readline is an encapsulated module for implementing standard input and output in
I/O is a very important part that distinguishes node from other frameworks. This chapter will explain how it achieves node non-blocking I/O. Streams Stream API is an abstract interface that helps many parts of node perform uninterrupted input and output operations. Stream API
//Descriptionthe Node API version is v0.10.31. Chinese Reference: Http://nodeapi.ucdok.com/#/api/,http://blog.sina.com.cn/oleoneoythis Keweibo main note. Directory Events 0 class:events. Eventemitter Emitter.addlistener (event, listener) Emitter.on (event, listener) emitter.once (event, listener) Emitter.removelistener (event, listener) Emitter.removealllist
"]==data["id"]) {Con[i]=data; Flag=true; Break; }} result.msg= "The modification failed, the customer needs to be modified does not exist"; if(flag) {Fs.writefilesync (Custompath,json.stringify (con),"Utf-8"); Result={code:0, msg:"Modified successfully"}} res.writehead (200,{' content-type ': ' Application/json;charset=utf-8; '}); Res.end (json.stringify (result)); }) return; } //If the requested address is not one of these, the prompt does not existRes.writehead (404,{' conten
], [...])after I/O event callbacks are scheduled, the callbackis executed "immediately" beforesetTimeout and setinterval . Returns a immediateobject for clearimmediate () to use when needed. Optionally, you can pass parameters to the callback function. The immediate events are placed in the queue in the order in which they were created, and one pops up from the queue header in each iteration of the event loop. This is different from Process.nexttick , which executes the callback function in the
1. Install node, NPM2. Installing StrongloopNPM install-g--unsafe-perm Install Strongloop3. Create a working directory and configure the loopback appmkdir Todos CD TODOSSLC loopbackThe installation will appear successfully Change the directory to your application $ cd yourrestful in the application to create the model $ SLC Loopback:model Run application $ node.4. Install MySQLInstall loopback-
); Console.log (Buf.readint16le (0)); 12Copy (Targetbuffer,[targetstart],[sourcestart],[sourceend]) copies the specified position from a buffer object to the target buffer var sbuffer = new Buffer ("Lone Orphan"); var tBuffer1 = new Buffer (6); var tBuffer2 = new Buffer (9); Sbuffer.copy (tBuffer1); Sbuffer.copy (tBuffer2); Console.log (Tbuffer1.tostring ()); Solitary Console.log (tbuffer2.tostring ()); Lone Lonely Beg You can see that there is no above, with a com
Use Meteor with Node. js to compile a real-time chat application example, meteornode. js I often see Derby. the framework for js comparison is Meteor. js. similar to Derby, it can also update views in real time on multiple clients
Example of using Meteor with Node. js to compile real-time chat applications This article mainly introduces how to use Meteor with Node. js Code example of real-time chat application, Node
This article describes how to save the information about the file sent by payload in Nodejs. For more information, see 1: accept files Http://stackoverflow.com/questions/24610996/how-to-get-uploaded-file-in-node-js-express-app-using-angular-file-upload You can use the following third-party Libraries • Busboy and connect-busboy• Multiparty and connect-multiparty
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
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
[info. protocol], info. hostname );Var path = info. pathname | '/';If (info. search ){Path + = info. search;}Var headers = {Host: info. hostname,'User-agent': 'nodejsspider/123'};Var request = client. request ('get', path, headers );Request. end ();Request. on ('response', function (response ){If (response. statusCode = 302 | response. statusCode = 301 ){Expand (response. headers. location, res );} Else {_ Write (short_url, res );}});};// Expand ('HTTP: // sinaurl.cn/hbMUII ');// Http serviceHt
A simple node. JS File System (fs) read/write example.In nodejs, you can use the fs (file system) module to perform file I/O operations. API link address: the use of fs File System under the http://nodeapi.ucdok.com/#/api/fs.html instance: 1, the module call declaration: var fs = require ('fs'); var path = require ('pa
, dependency. If you have used Linux, you must be familiar with these two concepts. For example I want to install a Ruby, then must first install Libreadline and Libruby, because Ruby must depend on them to run. Why is Windows not dependent on the concept? Because the Windows program is usually installed automatically to help you install, of course, there are exceptions, such as running a big game need to install the VC + + runtime and DirectX Runtim
; 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
This article mainly introduces how to add the insertBefore () function to js at a specified position. The example analyzes the techniques of insertBefore () function appending nodes, which has some reference value, for more information about how to add the node function insertBefore () in js at a specified position, se
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