Alex Bartlow alexbartlow

alexbartlow / better_default_scope.rb

Created June 22, 2009 19:47 — forked from wagenet/better_default_scope.rb

	# Based on http://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/1812-default_scope-cant-take-procs
	ActiveRecord::Base.class_eval do

	class << self

	private

	def find_last(options)
	order = options[:order]

alexbartlow / bottle.pl

Created March 1, 2010 14:47 — forked from wajones/bottle.pl

alexbartlow / Ruby pmap

Created April 18, 2010 18:02

	require 'rubygems'
	require 'socket'
	require 'tmpdir'

	module Enumerable
	def pmap(&block)
	sockname = Dir::tmpdir + "ruby_pmap_#{$$}_#{self.object_id}"
	aggregator = []
	size = entries.size

alexbartlow / gist:640476

Created October 22, 2010 12:39

XML database

	#!/usr/local/bin/ruby
	require 'sinatra'
	require 'nokogiri'

	XMLFILEPATH = 'database.xml'

	# Put the XML database
	get '/' do
	[200, {"Content-Type" => 'text/xml'}, File.open(XMLFILEPATH, 'r')]
	end

alexbartlow / gist:703585

Created November 17, 2010 16:21

	class Email::Base < ActiveRecord::Base
	self.abstract_class = true
	establish_connection 'drip_email_marketing'
	end

	# Ensure that config/database.yml has connection information for drip_email_marketing
	#
	# Make all other classes using this DB connection use this base class as their ancestor

alexbartlow / gist:712274

Created November 23, 2010 18:45

	radius_options = %w{3 5 10 25 50}.map{\|x\| [x, x+" mi"]}
	select_tag('search_radius[in_miles]', options_for_select(radius_options, params[:search_radius][:in_miles])

alexbartlow / gist:712279

Created November 23, 2010 18:49

	class ActiveRecord::Base

	def self.find_by_id(id)
	find(id)
	rescue ActiveRecord::RecordNotFound
	nil
	end
	end

alexbartlow / gist:800667

Created January 28, 2011 18:08

	scope :search do \|*keywords\|
	where("FIND_IN_SET(search_column, '#{keywords.join(',')}')")
	end

alexbartlow / lazy_loading.rb

Created February 7, 2011 18:52

Rails-based lazy loading, server push with Juggernaut.

	module LazyLoadHelper
	def lazy_load(&block)
	content_id = ActiveSupport::SecureRandom.hex

	EM.add_timer 2 do
	javascript = %{$('##{content_id}').replaceWith('#{
	escape_javascript(capture(&block))
	}')}

	Juggernaut.send_to_channels(javascript, [content_id])

alexbartlow / gist:822611

Created February 11, 2011 16:40

	Install some aptitude packages:

	sudo apt-get install nginx libssl-dev libmysqlclient-dev git-core libxslt-dev libxml2-dev

	Grab some ruby, install that muh

	wget ftp://ftp.ruby-lang.org//pub/ruby/1.9/ruby-1.9.2-p0.tar.gz
	cd ruby-1.9.2-p0
	./configure ; make ; sudo make install