Node

1.Install
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[mongodb]
brew update
brew install mongodb
brew update
brew upgrade mongodb

Install Node.js intsaller from
http://www.mongodb.org/downloads


[npm] (Node package manager)
npm search
sudo npm install express -g


Blog Application
2.------------------------------------------------------------------------------
mkdir node_js_blog
cd node_js_blog
express -c stylus
cd . && npm install
npm install -d


3.make a file app.js in the root folder
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// Module dependencies.
// var express = require('express');
// var app = express.createServer();
var express = require("express");
var app = express();
// Configuration
app.configure( function() {
});
// Routes
app.get('/', function(req, res) {
    res.send('Hello World');
});
app.listen(3000);