afeld’s gists

afeld / ride4ruby.rb

Created January 12, 2011 02:52

solution for Ride4Ruby

	# Ride4Ruby solution by Aidan Feldman
	# [email protected]
	# contest: http://www.engineyard.com/blog/2011/january-contest-ride4ruby/
	# 1/11/10


	require 'rubygems'
	require 'rest_client'
	require 'active_support'
	require 'active_support/core_ext'

afeld / countries.rb

Created February 7, 2011 18:54

A nested array of country names with their ISO country codes, useful for select fields in Rails

	# this is useful inside of an initializer

	COUNTRIES = [
	["United States", "US"],
	["Afghanistan", "AF"],
	["Albania", "AL"],
	["Algeria", "DZ"],
	["American Samoa", "AS"],
	["Andorra", "AD"],
	["Angola", "AO"],

afeld / jquery-clearinput_empty_submit.js

Created March 16, 2011 21:05

when the form is submitted, the form should submit empty values for the input elements with empty values

	// note: this is not tested, but gives you the idea :-)

	// for a normal html form:
	$('form').submit(function(){
	$(this).find('input.clear-input').each(function(i, elt){
	// for each clear-input field
	if ($(elt).val() === $(elt).initialValue()) {
	// value has not changed
	// empty the value
	$(elt).val('');

afeld / gist:1254889

Created September 30, 2011 20:28

YouTube video ID regex

	# Parses YouTube URLs directly or from iframe code. Handles:
	# * Address bar on YouTube url (ex: http://www.youtube.com/watch?v=ZFqlHhCNBOI)
	# * Direct http://youtu.be/ url (ex: http://youtu.be/ZFqlHhCNBOI)
	# * Full iframe embed code (ex: <iframe src="http://www.youtube.com/embed/ZFqlHhCNBOI">)
	# * Old <object> tag embed code (ex: <object><param name="movie" value="http://www.youtube.com/v/ZFqlHhCNBOI">...)

	/(youtu\.be\/\|youtube\.com\/(watch\?(.*&)?v=\|(embed\|v)\/))([^\?&"'>]+)/
	$5 #=> the video ID

	# test it on Rubular: http://rubular.com/r/eaJeSMkJvo

afeld / soloistrc

Created October 26, 2011 05:08

dev machine setup with pivotal_workstation and soloist

	# Using soloist to set up a new Lion machine
	# http://pivotallabs.com/users/cunnie/blog/articles/1872-got-lion-now-get-everything-else-

	cookbook_paths:
	- ./workspace
	recipes:
	- pivotal_workstation::bash_profile-git_completion
	- pivotal_workstation::bash_profile-ps1
	- pivotal_workstation::dropbox
	- pivotal_workstation::firefox

afeld / 01.rb

Created November 14, 2011 03:33

99 bottles using PDD

	# sing "99 bottles of beer on the wall..."
	# sing "98 bottles of beer on the wall..."
	# ...keep counting down...

afeld / encapsulate.js

Created November 17, 2011 18:40

code to encapsulate CSS with a class name

	/**
	* Encapsulates the css for a given bit. Prepends the bit name as an ancestor selector,
	* as well as a "self" selector for each element and class selector found in a sheet.<br><br>
	*
	* For example, given a bit with name "myBit", the sheet:
	* <pre><code>
	.myClass { color: blue; }
	.myOtherClass { color: red; }
	* </pre></code>
	* would be converted to:

afeld / gist:1419298

Created December 1, 2011 19:44

check if custom domains valid

	num_ok = 0

	users = User.where(:custom_domain => /\S/)
	users.each do \|u\|
	begin
	records = Net::DNS::Resolver.start(u.custom_domain).answer
	rescue Net::DNS::Resolver::NoResponseError
	records = []
	end

afeld / gist:1427799

Created December 3, 2011 18:42

jitsu set env

	Aidans-MacBook-Pro:faacelift (master)$ jitsu env set FAACELIFT_FB_APP_ID XXXXXXX
	info: Welcome to Nodejitsu
	info: It worked if it ends with Nodejitsu ok
	info: Executing command env set FAACELIFT_FB_APP_ID XXXXXXX
	info: Authenticated as aidanfeldman
	error: Error running command env set FAACELIFT_FB_APP_ID XXXXXXX
	error: Nodejitsu Error (404): Item not found
	error: request not found
	info: Nodejitsu not ok

afeld / gist:1452292

Created December 9, 2011 16:42

h.264 video sizes

	very rough estimates - measured with a Canon Rebel T3i
	-------------------------------

	bit rates:

	640x480 30fps -> 1.27 MB/s
	1920x1080 24fps -> 5.91 MB/s


	8GB card capacity:

Aidan Feldman afeld