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17901125
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2013-07-27T18:35:17.740
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2014-05-04T00:07:30.740
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2014-05-04T00:07:30.740
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794967
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17895309
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6
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text
Body
As of 1.2, the recommended way to perform a connection is in documentation: <a href="http://mongodb.github.io/node-mongodb-native/driver-articles/mongoclient.html" rel="noreferrer">http://mongodb.github.io/node-mongodb-native/driver-articles/mongoclient.html</a> excerpt: <pre><code>var MongoClient = require('mongodb').MongoClient , Server = require('mongodb').Server; var mongoClient = new MongoClient(new Server('localhost', 27017)); mongoClient.open(function(err, mongoClient) { var db1 = mongoClient.db("mydb"); mongoClient.close(); }); </code></pre> You may find that a connection singleton is useful for the current state of the official node.js driver. Below is some sample code that I use: connection.js module: <pre><code>var MongoClient = require('mongodb').MongoClient; var db_singleton = null; var getConnection= function getConnection(callback) { if (db_singleton) { callback(null,db_singleton); } else { //placeholder: modify this-should come from a configuration source var connURL = "mongodb://localhost:27017/test"; MongoClient.connect(connURL,function(err,db){ if(err) log("Error creating new connection "+err); else { db_singleton=db; log("created new connection"); } callback(err,db_singleton); return; }); } } module.exports = getConnection; </code></pre> Referencing module: <pre><code>var getConnection = require('yourpath/connection.js') function yourfunction() { getConnection(function(err,db) { //your callback code } . . . } </code></pre>
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1. POSetting up a MongoDB database connection with node.js
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1. USAleksandar Stojadinovic
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1. USDylan Tong
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1. POSetting up a MongoDB database connection with node.js
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