ecto’s gists

ecto / gist:778801

Created January 13, 2011 23:03

	app.get('/top', function(req, res){
	db.keys('booking:*:name', function(err,keys){
	if (err) { throw err; }
	if (typeof(keys.forEach) == 'undefined') { res.redirect('/battle'); }
	var bookings = [];
	var originalCount = 0;
	var returnCount = 0;
	try { keys.forEach(function(key){
	key = String(key);
	var split = key.split(':');

ecto / gist:778863

Created January 13, 2011 23:48

	TypeError: Object 394 has no method 'forEach'
	at /home/ec2-user/jail/server.js:30:8
	at Client.handleReply (/usr/local/lib/node/.npm/redis-node/0.2.7/package/lib/client.js:302:5)
	at Client.<anonymous> (native)
	at Client.emit (events:31:17)
	at Client.handleData (/usr/local/lib/node/.npm/redis-node/0.2.7/package/lib/client.js:242:18)
	at Stream.<anonymous> (native)
	at Stream.emit (events:31:17)
	at IOWatcher.callback (net:489:16)
	at node.js:773:9

ecto / elo.js

Created January 16, 2011 02:19

	function adjust(ratings) {
	ratings[0] = ratings[0] ? parseFloat(ratings[0]) : 1000;
	ratings[1] = ratings[1] ? parseFloat(ratings[1]) : 1000;
	var winnerExpected = 1 / (1 + (Math.pow(10,(ratings[1] - ratings[0]) / 400)));
	var loserExpected = 1 / (1 + (Math.pow(10,(ratings[0] - ratings[1]) / 400)));
	var k = 30;
	var winnerAdjustment = Math.round(ratings[0] + (k * (1 - winnerExpected)));
	var loserAdjustment = Math.round(ratings[1] + (k * (0 - loserExpected)));
	return [winnerAdjustment, loserAdjustment];
	}

ecto / simple.js

Created January 24, 2011 18:13

ExpressJS app shell

ecto / get express

Created January 24, 2011 18:16

npm install express

ecto / process.js

Created January 24, 2011 21:35

Used to process new images into Redis for our FaceMash clone

	var fs = require('fs'),
	redis = require('redis-node'),
	db = redis.createClient(),
	exec = require('child_process').exec;

	var files = fs.readdirSync('./new')

	files.forEach(function(file){
	db.incr('images', function(err, id){
	db.set('image:' + id + ':rating', '1000');

ecto / home.js

Created January 24, 2011 22:05

The home page for our FaceMash clone

	app.get('/', function(req, res){
	db.keys('image:*:location', function(err,keys){
	if (err) { throw err; }
	var offense = keys[Math.floor(Math.random()*keys.length)];
	var defense = keys[Math.floor(Math.random()*keys.length)];
	if (defense == offense) {
	defense = keys[Math.floor(Math.random()*keys.length)];
	}
	db.mget('image:' + offense + ':location', 'image:' + offense + ':rating',
	'image:' + defense + ':location', 'image:' + defense + ':rating',

ecto / battle.ejs

Created January 24, 2011 22:23

	<a href="/battle/<%- offense %>/<%- defense %>">
	<img src="/images/<%- battle[0] %>" /><br />
	Rating: <%- battle[1] %>
	</a>
	or
	<a href="/battle/<%- defense %>/<%- offense %>">
	<img src="/images/<%- battle[2] %>" /><br />
	Rating: <%- battle[3] %>
	</a>

ecto / battle.js

Created January 24, 2011 22:29

	app.get('/battle/:winner/:loser', function(req, res){
	if (req.params.winner && req.params.loser) {
	var winner = req.params.winner;
	var loser = req.params.loser;
	db.mget('image:' + winner + ':rating',
	'image:' + loser + ':rating',
	function (err, ratings) {
	if (err) { throw err; }
	ratings[0] = ratings[0] ? parseFloat(ratings[0]) : 1000;
	ratings[1] = ratings[1] ? parseFloat(ratings[1]) : 1000;

ecto / layout.ejs

Created January 24, 2011 22:38

Cam Pedersen ecto