Jared Ning ordinaryzelig

ordinaryzelig / gist:655966

Created October 31, 2010 01:06

	# app/controllers/articles_controller.rb

	respond_with :js

	def create
	flash[:notice] = 'Hello World'
	end

ordinaryzelig / gist:655962

Created October 31, 2010 01:05

	<!-- app/views/layouts/application.html.erb. -->
	<!-- inside <head> -->
	<script type="text/javascript">
	<% update_flash %>
	</script>

ordinaryzelig / gist:655961

Created October 31, 2010 01:03

	// app/views/articles/create.js.erb
	<% update_flash %>
	// javascript code...

ordinaryzelig / gist:655953

Created October 31, 2010 01:00

	# app/helpers/application_helper.rb
	def update_flash
	[:notice, :error].each do \|type\|
	message = flash[type]
	concat "$('#flash_#{type}').html('message')"
	end
	end

ordinaryzelig / rails_april_fools.rb

Created April 1, 2010 17:30

	# application_controller.rb

	before_filter :april_fool

	def april_fool
	unless logged_in? && session[:april_fooled]
	session[:april_fooled] = true
	flash.now[:april_fool] = 'error 10.4.1: you may have corrupted data. contact administrator immediately.'
	# get it? 2010.4.1!
	end

ordinaryzelig / attributes_for.rb

Created March 14, 2010 02:46

attributes hash for any object

	# convert results of calling methods into attributes hash.
	# e.g. Date.today.attributes_for(:day, :month, :year) would return
	# {:day => 13, :month => 3, :year => 2010}
	class Object

	def attributes_for(*method_names)
	method_names.inject({}) do \|hash, method_name\|
	hash[method_name] = send(method_name)
	hash
	end

ordinaryzelig / active_record_sand_boxed.rb

Created February 26, 2010 22:22

internal sandbox mode

	# rollback whatever was done in this block.
	class ActiveRecord::Base

	def self.sand_boxed
	transaction do
	yield
	raise ActiveRecord::Rollback
	end
	end