Mike Pack mikepack

Conway's Game of Life in Erlang, in 2 hours, with 0 Erlang experience, in 20 lines of code.

1337 h4x0rs:

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This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.

You're Missing the Point of Promises

Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:

getTweetsFor("domenic", function (err, results) {
 // the rest of your code goes here.

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

This list is based on aliases_spec.rb.

You can see also Module: RSpec::Matchers API.

matcher	aliased to	description
a_truthy_value	be_truthy	a truthy value
a_falsey_value	be_falsey	a falsey value
be_falsy	be_falsey	be falsy
a_falsy_value	be_falsey	a falsy value

S3 Static Sites

⚠ This post is fairly old. I don't keep it up to date. Be sure to see comments where some people have posted updates

What this will cover

Host a static website at S3
Redirect www.website.com to website.com
Website can be an SPA (requiring all requests to return index.html)
Free AWS SSL certs
Deployment with CDN invalidation

	App.Router.map(function() {
	this.resource('post', { path: '/posts/:post_id' });
	});

	App.PostRoute = Ember.Route.extend({
	model: function(params) {
	return this.store.find('post', params.post_id);
	}
	});