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// helper function to persist the 
// changes to localStorage and
function storageProxy(key, updateFn){
	var store = window.localStorage;
	
	// udpate if the key is already set
	var initial = store.getItem(key);
	if(initial) updateFn(initial)

	// listen for updates from other windows

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/**
 * Modify the parts you need to get it working.
 */

var should = require('should');
var request = require('../node_modules/request');
var io = require('socket.io-client');

var serverUrl = 'http://localhost';

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/**
 * Register ajax transports for blob send/recieve and array buffer send/receive via XMLHttpRequest Level 2
 * within the comfortable framework of the jquery ajax request, with full support for promises.
 *
 * Notice the +* in the dataType string? The + indicates we want this transport to be prepended to the list
 * of potential transports (so it gets first dibs if the request passes the conditions within to provide the
 * ajax transport, preventing the standard transport from hogging the request), and the * indicates that
 * potentially any request with any dataType might want to use the transports provided herein.
 *
 * Remember to specify 'processData:false' in the ajax options when attempting to send a blob or arraybuffer -

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// This is from my comment here: http://wolfram.kriesing.de/blog/index.php/2008/javascript-remove-element-from-array/comment-page-2#comment-466561

/*
 * How to delete items from an Array in JavaScript, an exhaustive guide
 */

// DON'T use the delete operator, it leaves a hole in the array:
var arr = [4, 5, 6];
delete arr[1]; // arr now: [4, undefined, 6]

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 http {
    proxy_cache_path  /var/cache/nginx levels=1:2 keys_zone=one:8m max_size=3000m inactive=600m;
    proxy_temp_path /var/tmp;
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    gzip on;
    gzip_comp_level 6;

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Nginx FastCGI response buffer sizes

By default when Nginx starts receiving a response from a FastCGI backend (such as PHP-FPM) it will buffer the response in memory before delivering it to the client. Any response larger than the set buffer size is saved to a temporary file on disk. This process is also explained at the Nginx ngx_http_fastcgi_module page document page.

Since disk is slow and memory is fast the aim is to get as many FastCGI responses passing through memory only. On the flip side we don't want to set an excessively large buffer as they are created and sized on a per request basis (it's not shared).

The related Nginx options are:

• fastcgi_buffering appeared in Nginx 1.5.6 (1.6.0 stable) and can be used to turn buffering completely on/off. It's on by default.
• [fastcgi_buffer_size](http://nginx.org/en/docs/http/ngx_ht

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Setting up a SSL Cert from Comodo

I use Namecheap.com as a registrar, and they resale SSL Certs from a number of other companies, including Comodo.

These are the steps I went through to set up an SSL cert.

Purchase the cert

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# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

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function testWepP(callback) {
    var webP = new Image();     
     webP.src = 'data:image/webp;base64,UklGRi4AAABXRUJQVlA4TCEAAAAvAUAAEB8wAiMw' + 
'AgSSNtse/cXjxyCCmrYNWPwmHRH9jwMA';
     webP.onload = webP.onerror = function () {
         callback(webP.height === 2);     
     }; 
};

testWebP(function(supported) {

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io.js Semana de 1 de Maio

Release candidate do io.js 2.0, atualizações da comunidade e eventos

Release candidate do io.js 2.0

Essa semana tivemos um lançamento nightly v2.0, changelog completo poderá ser encontrado em breve no GitHub.

Atualizações da Comunidade

• Novo site do johnny-five lançado
• O domínio iojs.io foi doado ao projeto e será redirecionado para iojs.org iojs/io.js#1534
• david-dm.org agora usa iojs