nodejs connect to mongodb

Read the list of products in the database based on Nodejs and MongoDBvarHTTP = require ("http"), MONGO= Require ("MongoDB"), Events= Require ("Events"); Http.createserver (function(req, res) {varProducts_emitter =Newevents. Eventemitter (),//Create a link to the Northwind database. Equivalent to use Northwinddb =NewMongo. Db ("Northwind",NewMongo. Server (' localhost ', 27017, {}), {}); varListener =functio

Tags: blog http io ar os sp file on 2014os:win8.1 with UpdateKeyword: nodejs,expressjs,socketio,mongodb.1. Source code Download: https://github.com/ldlchina/ESMNodeAppTemplate2. Server Environment configuration:Install nodejs:http://www.nodejs.org/.Install mongodb:http://www.cnblogs.com/ldlchina/p/3551334.html.Open the file \lib\conf.json and configure the DB option.Open \package.json, change name, version,

, connecting a client. You will be working with this client manually on our db. C: Create a DBDon ' t worry about "connecting to:test" ... that's just the default database Mongo decides to use if you don ' t specify one O n the command line, don't worry about Connectiong to:test, if you don't specify it in the command-line, it's just the default db. Use Nodetest1 D: Adding DataMy favorite thing about MongoDB be that it uses JSON to its structure, w

In the recent study of Nodejs, here are some APIs that use mongoose to manipulate MongoDB. Prelude: 1. Installation of Mongoose:var Mongoose = require (' Mongoose '); 2. Connecting Mongodb:mongoose.connect (' Mongodb://localhost/nodejs '); 3. CREATE TABLE structure, field: var Schema =

Directly on the code' Use strict 'varFs=require (' FS '),Mongodb=require (' MongoDB '). Mongoclient, Assert=require (' Assert '), URL= ' Mongodb://username:[email protected]:27017/dbname?authmechanism=mongodb-crauthsource=admin '; mongodb.connect (URL,function(err,db) {assert.equal (err,NULL); varSchool=db.collection (

Participation in the text Textbook Code Textbook Solutions stating: Http://proserge.kh.ua/coding/index.php/post/33/MongoDB+for+NodeJs+devs+week4%3A+Perfomancenode. js + MONGO DB is a tool used to build [Web + database] project, and the above textbook is a simple blog in the environment of Docker. The textbook code part of the open space, mainly for the reader to complete their own, the answer is

MongodbInstalling MongoDBI think it's a little bit more mannual install: http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/Start MongoDB$ mongodConnection Mogodb$ MONGOMongo> Use Monk-appMongo> Db.products.insert ({"Name": "Apple Juice", "description": "Good"})Writeresult ({"ninserted": 1})Mongo> Db.products.find (). Pretty (){"_id": ObjectId ("53b4cf8d5ef358e649ff1665"),"Name": "Apple Juce","

Label:Database operationsMongoUse TEST3;Db.users.insert ({"Name": "AAA", "Email": "[email protected]"});Nodejs Code WritingCreate a new test3 directory and edit the following file:Package.json{ "name": "Application-name", "version": "0.0.1", true, "Scripts": { "start": "Node App.js" }, "dependencies": { " Express ":" 3.4.4 ", " Jade ":" * ", " MongoDB ":" * ",

Chapter One: Understanding Nodejs Framework express--Routing, middleware - Routing Routing is how to define an application's endpoint (URIs) and how to respond to a client's request. A route consists of a URI, an HTTP request (get, post, and so on) and a number of handles, which are structured as follows: App. Method (path, [callback ...], callback), the app is an instance of the Express object, methods is an HTTP request approach, path is the serv

Label:1. MongoDBvar MONGO = require (' MongoDB '); var host = ' 127.0.0.1 '; var port = Mongo. Connecton.default_port; var server = new MONGO. Server (Host,port,{auto_reconnect:true}); var db = new MONGO. Db (' Node-mongo-examples ', server,{safe:true}); Db.open (function (err,db) { Db.collection (' Users ', function (err,collection) { Collection.insert ({name: ' Chuck '},function (Err,docs) { }); Collection.find ({name: ' book '}). ToArray (function

${pidfile} ] DoEcho"waiting for Redis to shutdown ..."Sleep1Done Echo"Redis stopped"fi;; Restart|force-Reload)${0}Stop${0}start;; *) echo"Usage:/etc/init.d/redis {start|stop|restart|force-reload}">2Exit1Esac############################## Then set the properties of this file chmod +x/etc/init.d/redis Change Daemonize No to daemonize Yes Vim/etc/redis.conf Setting up the Boot service Chkconfig Redis on3. Common commandsStart the service:/etc

Connect time out occurs in mongodb on the java linked server. mongodbconnect Exception Information December 22 5:27:58 PM com. mongodb. DBTCPConnector initDirectConnectionWarning Exception executing isMaster command on/192.168.1.249: 10003Java. io. IOException: couldn't connect to [/192.168.1.249: 10003] bc: java.net.

Label:Believe that many students learn node, when entering the background management Shell MongoDB will "encounter error:10061 because the target computer actively refused, unable to connect" This situation, many cases are The path to DBPath and DBLog is not configured successfully. Download the installed address, I will not say more http://www.runoob.com/mongodb