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class Foo

  attr_reader :adapter

  def initialize
    @adapter = if Rails.env.production?
      Foo::RealAdapter.new
    else
      Foo::StubAdapter.new
    end

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module PolymorphicQueryHelper

  class << self
    def expand_polymorphic_hash(hash)
      {}.tap do |expanded_hash|
        for name, object in hash
          expanded_hash.merge!({
            "#{name}_id".to_sym => object.id,
            "#{name}_type".to_sym => object.class.name
          })

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class Order
  include Stats::Host

  # The above would mix this in:

  has_one :stat, class_name: "Order::Stat"
  after_commit :create_stat, on: :create

  def create_stat
    stat.create!

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class Analyzer
  class << self
    include ActionView::Helpers::NumberHelper
  end

  CACHE_NAMESPACE = "analyzer"
  CACHE_LIFESPAN = 10.minutes

  class_attribute :items_to_analyze

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not brew

• xcode cli tools
• brew
• $ brew tap homebrew/dupes

brew

• apple-gcc42
• mysql
• postgres
• redis

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export HEROKU_STG_APP=stg-app-name
export HEROKU_PROD_APP=prod-app-name

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/*
 * Usage:
 * h1 {
 *   font-size: 2em;
 *   @include media(small) {
 *     font-size: 1.5em;
 *   }
 * }
*/
@mixin media($media) {

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# link_to path
user_omniauth_authorize_path(:facebook, origin: request.fullpath)

# in ApplicationController
def after_sign_in_path_for(resource)
  stored_location_for(resource) || request.env['omniauth.origin'] || root_path
end

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// GitHub already has jQuery loaded, so we can use it for free!
titles = []; $(".info-wrapper h3 a").each(function () { number = $(this).closest("td").prev("td.number").text().match(/\d+/)[0]; titles.push("#" + number + " " + $(this).text()) }); titles.join("\n");

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# Git pull and rebase
# Show git log if rebasing finds new changes
# You can optionally pass in a remote and branch
function gpr {
  output=`git pull --rebase $1 $2`
  echo $output
  if [[ $output != *is\ up\ to\ date\.* ]] then
    git log -n 3
  fi
}