adamrobbie

module MiniTest

  module Assertions

    module ActiveRecord
    
      # assert_association User, :has_many, :editables, :polymorphic => true
      #
      def assert_association(clazz, association, associate, options={})
        reflected_assoc = clazz.reflect_on_association(associate)

adamrobbie

class String
  def to_bool
    return true if self == true || self =~ (/(true|t|yes|y|1)$/i)
    return false if self == false || self.blank? || self =~ (/(false|f|no|n|0)$/i)
    raise ArgumentError.new("invalid value for Boolean: \"#{self}\"")
  end
end

adamrobbie

# config/application.rb
module MyApp
  class Application < Rails::Application
    ... other configs

    config.secondary_database_url = ENV['SECONDARY_DB_URL']
  end
end
We may want to override this in development / test

adamrobbie

# Place me in config/application.rb or in your development file
if Rails.env.development?
    class Hook
        def self.delivering_email(message)
            message.to  = "\"#{message.to.first}\" <my@email.com>"
            message.cc  = nil if !message.cc.nil?
            message.bcc = nil if !message.bcc.nil?
        end
    end

adamrobbie

gem 'will_paginate'

adamrobbie

curl -u 'USER:PASS' https://api.github.com/user/repos -d '{"name":"REPO"}'
git remote add origin git@github.com:USER/REPO.git
git push origin master

adamrobbie

First put an empty, placeholder div in the main response

<div id="pink-dancing-elephants"></div>
and then add a little jQuery to the page

$.ajax({
    url: "/elephants/dancing",
    cache: false,
    success: function(html){
      $("#pink-dancing-elephants").append(html);

adamrobbie

class Controller
  include LazyLoad

  def show
    @model = Model.find(...)

    respond_to do |format|
      format.html do
        @html_specific_data = Model.find(...)
      end

adamrobbie

namespace :db do
  desc "Handle orphans"
  task :handle_orphans => :environment do
    Dir[Rails.root + "app/models/**/*.rb"].each do |path|
      require path
    end
    ActiveRecord::Base.send(:descendants).each do |model|
      model.reflections.each do |association_name, reflection|
        if reflection.macro == :belongs_to
          model.all.each do |model_instance|

adamrobbie

module AsyncHelper

  def javascript_async(*args)
    content_tag :script, type: "text/javascript" do
      "(function() {
      var script = document.createElement('script');
      script.type = 'text/javascript';
      script.async = true;
      script.src = '#{j javascript_path(*args)}';
      var other = document.getElementsByTagName('script')[0];