danielcooper

{{ 'world' | prepend:'hello' | upcase }}

danielcooper

template = "{{foo}}"
Liquid::Template.parse(template).render({'foo' => 'bar'})

danielcooper

{% rss source: http://rubysource.com/feed/%}
	<article class='main rss_list'>
		<h1>{{ feed.title }}</h1>
		{% for item in feed.items limit:3%}
		<section>
			<h1><a href='{{item.link}}'>{{item.title}}</a></h1>
			<p>{{item.description}}</p>
		</section>
		<hr/>
		{%endfor%}

danielcooper

class RenderRSS < Liquid::Block

  def initialize(tag_name, markup, tokens)
     super
     @markup =  markup
     @attributes = {}
     markup.scan(Liquid::TagAttributes) do |key, value|
      @attributes[key] = value
     end 

danielcooper

class PostsController < ActionController::Base
  after_filter :set_http_cache, :only => :index
 
  private
 
  def set_http_cache
    expires_in(30.seconds, :public => true)
  end
    
end

danielcooper

class User < ActiveRecord::Base
end

class UsersController < ApplicationController
	def update
		User.find(params[:id]).update_attributes(params[:user])
	end 
end

danielcooper

# This gets X users within a distance of '10' radians 

user = User.find_me_a_bloody_user

result = ActiveRecord::Base.connection.execute("
      SELECT
          ((ACOS( SIN( #{user.lat} * PI( ) /180 ) * SIN( latitude * PI( ) /180 ) + COS( #{user.lat} * PI( ) /180 ) * COS( latitude * PI( ) /180 ) * COS( (
          #{user.lng} - longitude) * PI( ) /180 ) ) *180 / PI( ) ) *60 * 1.1515)