patsanch

# http://pastie.org/995357

module Paperclip  
  class Cropper < Thumbnail  
    def transformation_command  
      if crop_command
        puts "CROP: #{crop_command + super.join(' ').sub(/ -crop \S+/, '').split(' ')}"
        crop_command + super.join(' ').sub(/ -crop \S+/, '').split(' ')
      else  
        super  

patsanch

module Paperclip
  class Rotator < Thumbnail
    def transformation_command
      if rotate_command
        # having the "super" at the end ensures that your thumbnails are allways "inside the limits of your styles"
        # for some reason, super returns: ["-resize", "\"300x300>\""]:Array
        "#{rotate_command} #{super.join(' ')}"
      else
        super
      end

patsanch

<% content_for(:head) do %>
<%= stylesheet_link_tag "jquery.Jcrop" %>
<%= javascript_include_tag "jquery.Jcrop.min" %>
<script type="text/javascript" charset="utf-8">
$(function() {
  $('#cropbox').Jcrop({
    onChange: update_crop,
    onSelect: update_crop,
    setSelect: [0, 0, 500, 500],
    aspectRatio: 1

patsanch

# 1) Put 's3' gem in Gemfile.
# 2) Create as3.yml configuration for S3
# 3) Create initializer for as3.yml
# 4) Make "assets" folder inside your bucket
# 5) After running task run "RAILS_ENV=production rake assets:precompile"
# 6) Invoke task by running "rake as3:upload"

namespace :as3 do  
  desc "Uploads compiled assets (public/assets) to Amazone AS3"
  task :upload do

patsanch

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

patsanch

rails g scaffold Book title:string description:text
rails g scaffold Pubhouse title:string address:text
rails g model BookPubhouse book_id:integer pubhouse_id:integer
rake db:migrate

patsanch

# TODO can be optimized to use custom class and `model_ids` method

module SortPhotos
  def sort_photos!(ids)
    raise ArgumentError, "ids isn't an array" if !ids.is_a?(Array)
    ids.map!(&:to_i)
    old_ids = self.photo_ids
    ids = ids - (ids - old_ids)
    raise ArgumentError, "Not all the ids were passed to sort! method" if old_ids.size != ids.size
    reflections[:photos].klass.update_all(['position = FIND_IN_SET(id, ?)', ids.join(',')], {:id => ids})

patsanch

t = 236 # seconds
Time.at(t).utc.strftime("%H:%M:%S")
=> "00:03:56"

# Reference
# http://stackoverflow.com/questions/3963930/ruby-rails-how-to-convert-seconds-to-time

patsanch

require 'json'
require 'yaml'

input_filename = ARGV[0]
output_filename = input_filename.sub(/(yml|yaml)$/, 'json')

input_file = File.open(input_filename, 'r')
input_yml = input_file.read
input_file.close

patsanch

include_recipe "postgresql::server90"

# inspiration from 
# https://gist.github.com/637579

execute "create-root-user" do
    code = <<-EOH
    psql -U postgres -c "select * from pg_user where usename='root'" | grep -c root
    EOH
    command "createuser -U postgres -s root"