node js rest api tutorial

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node. js Api--util (Tools)

(writablestream) reads data from Readablestream and sends it to Writablestream. When writablestream.write (data) returns false,readablestream pauses until writablestream occurs Drain event. Callback has an error as its only parameter and is called when the Writablestream is closed or when an error occurs. Util.inherits (constructor, Superconstructor)inherit a method from a prototype to another constructor from one of the constructor functions. The constructor prototype will be set to a new

[MEAN Stack] First API with node. js, Express and MongoDB

(' person ', personschema, ' people ');varApp =expres (); App.use (Cors ()); App.get ('/people ',function(Request, Response) {Person.find (function(err, data) {Response.json (200, data); }); App.listen (3000);App.js:/** * Created by Answer1215 on 12/9/2014.*/' Use strict ';functionMainctrl (peopleservice) {varVM = This; Vm.people= []; Vm.getpeople= Peopleservice.getpeople (). Then (function(response) {Vm.people=Response.data; });}functionPeopleservice ($http) {varPeopleservice = {}; Peopleservi

node. js Api--timers (timer)

], [...])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

Using loopback to build a RESTful API environment for node. js

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-

Node. js entry-9.api: HTTP

: '/submit' , method: 'post' }; var Req = http. request (options, function (RES) {res. setencoding ( 'utf8' ); Res. on ( 'data', function (chunk) {console. log ( 'body: '+ chunk) ;}); req. write ( "my data" ); req. write ( "more of my data" ); req. end (); In the above example, we use the req. Write () method to describe the data we want to send to the server, and finally use Req. End () to initialize and send a request. The res in the Code is a clientresponse object. It has two im

Node. js getting started-13.api: use assert testing and Virtual Machine (VM)

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');code.toString();var script = vm.createScript(co

Node. js entry-10.api: Io

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

node. JS API Learning Note (ii)

); 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

node. JS Installation Tutorial--windows Installing the NVMW mode to manage node

Leadership to find a conversation, the company is not mixed, said to think clearly after the direction of development what. Just think of node. js.First of all, look at the introduction, the general understanding of node. js, Baidu Search is indeed a lot of chaos, feeling or know the point. Attach the known topic node.

Detailed analysis of node. js asynchronous API and its limitations

considered node-specific, because it is a platform for large-scale application-level asynchronous IO applications, which strives to allocate resources more efficiently on a single thread. About PromiseHere, this article does not intend to explain the use of promise in detail, only a brief description of some promise API and trial scope: Create a native promise with the Fs.readdir function of Nodejsvar pr

2 methods for connecting node. js to MongoDB database tutorial, node. jsmongodb

2 methods for connecting node. js to MongoDB database tutorial, node. jsmongodb Preface The MongoDB Node. js driver is officially supported by the native node.

Nodejs express tutorial _ node. js-js tutorial

Express is a simple and flexible node. jsWeb application development framework, which provides a series of powerful features to help you create a variety of Web and mobile device applications. This article introduces the nodejs express tutorials, if you are interested, Express is a simple and flexible node. the js Web application development framework provides a

Tutorial _ node. js-js tutorial for installing the Ghost blog platform on Ubuntu

This article describes how to install the Ghost blog platform on Ubuntu. for more information about how to install Ghost on Ubuntu Server 14.04 LTS (Trusty. Ghost is a well-designed release platform that is easy to use and free to anyone. It is a free open-source software (FOSS) and its source code is on Github. As of January 2015 (LCTT: the original article is 2014 and should be 2015), its interface is very simple and there is an analysis Panel v. Editing uses a convenient split-screen display

Finishing Node Getting Started» A comprehensive node. JS Tutorial-Problems with demo practice

Spent a morning reading [reprint]node Getting Started» A comprehensive node. JS TutorialAccording to the inside of the demo itself manual implementation process or need to write questions, special finishing in this.(1) One is the directory that adds node.exe on path C:\Program Files\nodejs, (added automatically)(2) One is to increase the environment variable Node

Nodejs simple getting started tutorial (1): module mechanism _ node. js-js tutorial

This article mainly introduces the simple getting started course of Nodejs (1): module mechanism. This article describes the basic knowledge of the module, module loading, and Package content, if you need it, you can refer to the JavaScript specification (ECMAScript) without defining a complete set of standard libraries that can be applied to most programs. CommonJS provides a set of JavaScript standard library specifications. Node implements the Comm

NodejsStream data stream user manual _ node. js-js tutorial

This article mainly introduces the NodejsStream data stream user manual. If you are interested, learn it together. 1. Introduction This article describes the basic methods for developing programs using node. js streams. "We should have some ways of connecting programs like garden hose--screw inanother segment when it becomes necessary to massage data inanother way. This is the way of IO also."Doug McIlroy

node. js Tutorial (i) Getting Started and learning resources

event pattern are also obvious, as it does not conform to the usual linear approach of the developer, often requiring a complete logic split into events, which increases the difficulty of development and debugging. For this issue, the node. JS third-party module presents a number of solutions, which we'll discuss in detail in the 6th chapter. node.

How to build a simple Web server with Node. js-js tutorial

In this chapter, we also use Node. js creates a simple Web server. in the previous chapter, we introduced Node. js, a JavaScript Server Platform for Internet services, and Node. the js runtime environment has been set up and verif

Node. js-js tutorial

This series of tutorials teach you how to use Node. js to develop applications, and will teach you all the "advanced" JavaScript knowledge you need. It is never a "HelloWorld" tutorial. I will share with you the first article about NodeJS-common Javascript knowledge and how to transition from Javascript developers to NodeJS developers (I will not introduce specif

node. JS Tutorial

node. JS TutorialNodejsSimply put, node. JS is the JavaScript that runs on the server.node. JS is a platform built on the Chrome JavaScript runtime.node. JS is an event-driven I/O server-side JavaScript environment, based on the G

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