aaronvb

require 'digest/md5'
class FbJsConnect
  # When using the Facebook Javascript SDK to connect users to your site, 
  # a cookie will be placed in your applications session store. This class
  # will verify your cookie, tell you if you're connected, and provide
  # you with a User and other information

  #
  # cookie = cookies["fbs_YOUR FACEBOOK APP ID"]
  # fb = FbJsConnect.new(cookie)

aaronvb

#!/usr/bin/env ruby

# put this somewhere in your project, ie: /lib
# use:
# crontab -e
# */30 * * * * /usr/bin/ruby /your_rails_project/lib/this_file.rb
# that will insert this job into your delayed_job queue every 30 minutes.

require 'rubygems'
require 'mysql'

aaronvb

# Note model has a column, :important, :boolean, :default => false

# This goes in your HTML erb

<% @user.notes.find(:all, :order => 'updated_at DESC').each do |user_note| %>

<% remote_form_for user_note, {:url => 
  remote_toggle_important_user_note_path(:user_id => @user.id, :id => user_note.id)} do |f| %>
<%= f.check_box :important, :onclick => "$('edit_user_note_#{user_note.id}').onsubmit()" %><%= f.label :important %>
<% end %>

aaronvb

require 'redis'
require 'mysql2'

# assuming redis is running on the default port.
# if not, example: redis = Redis.new(:host => "10.0.1.1", :port => 6380)
redis = Redis.new

# Make sure queue exists, if not create it. When clearing a queue with the resque web interface, resque removes the queue, so here we just check to make sure it exists.
if redis.sismember('resque:queues', 'update_payment') == false
  redis.sadd('resque:queues', 'update_payment')

aaronvb

$ rails c
> @kitten = Kitten.first
> Rails.cache.write("kitten_#{@kitten.id}", @kitten)
=> "OK"
> Rails.cache.read("kitten_1")
=> #<Kitten id: 1, cute: "no">
> exit

$ rails c
> Rails.cache.read("kitten_1")

aaronvb

if Rails.env == "development"
  Dir.foreach("#{Rails.root}/app/models") do |model_name|
    require_dependency model_name unless model_name == "." || model_name == ".."
  end 
end

aaronvb

<VirtualHost *:80>
  ServerAdmin admin@yourdomain.com
  ServerName  yourdomain.com
  ServerAlias www.yourdomain.com

  DocumentRoot /home/yourserverusername/sites/yourappname/current/public

  <Directory /home/yourserverusername/sites/yourappname/current/public>
    AllowOverride all
    Options -MultiViews

aaronvb

class ArticleSweeper < ActionController::Caching::Sweeper
  observe Article # This sweeper is going to keep an eye on the article model
 
  # If our sweeper detects that a article was created call this
  def after_create(article)
    expire_cache_for(article)
  end
 
  # If our sweeper detects that a article was updated call this
  def after_update(article)

aaronvb

/* 
  Increase LED Brightness with Reset

  Each press of the button increases the LED brightness by 10%.
  Press and hold the button for 3 seconds to reset the LED to 0%.
 
  created 2012
  by Aaron Van Bokhoven
*/

aaronvb

/* 
  Increase LED Brightness with long press, Lower LED brightness with short press

  Holding down the button with increase the brightness continuously.
  A short press of the button will decrease the brightness by 20%
 
  created 2012
  by Aaron Van Bokhoven
*/