Bodacious

class Array
  
  # Inserts an object to the Array if condition is true
  #
  # object    - The object to insert.
  # condition - The condition to evaluate.
  #
  # Example:
  #   
  #  = content_tag(:div, class: ["user-username"].insert_if("active", @user.active)) do

Bodacious

class OrdersController
    
    def index
    end
    
    def pending
    end
    
    private
    

Bodacious

# Bad:
class OrdersController
    
    exposes :orders
    
    def index
        @orders = Order.complete
    end
    
    def pending

Bodacious

require 'benchmark'

class MyClassWithStuff
  
  DEFAULT_VALS = { one: '1' }
  
  def memoized_fetch
    @value ||= DEFAULT_VALS[:one]
  end

Bodacious

# This is the approach I see most commonly in Rubymotion code examples.
class AppDelegate
  
  def application(application, didFinishLaunchingWithOptions:launchOptions)
    @mainViewController = MainViewController.alloc.init
    @window = UIWindow.alloc.initWithFrame(UIScreen.mainScreen.applicationFrame)
    @window.rootViewController = mainViewController
    @window.makeKeyAndVisible
    true
  end

Bodacious

# The freqencies of A are easiest as most are integers
# Remember - each octave means double frequency
A_FREQS = %w[ 27.5 55 110 220 440 880 1760 3520 7040 14080 ].map(&:to_f)

# The names of the 12 semitones
NOTES = %W[ A\s A# B\s C\s C# D\s D# E\s F\s F# G\s G# ]

A_FREQS.each_with_index do |freq, octave|
  NOTES.each_with_index do |note, i|
    octave += 1 if note == "C\s"

Bodacious

# app/helpers/forms_helper.rb
module FormsHelper

  # A custom FormBuilder class for Rails forms with Twitter Bootstrap 3
  class CustomFormBuilder < ActionView::Helpers::FormBuilder

    # ActionView::Helpers::FormHelper and ActionView::Helpers::FormBuilder
    # methods each have different args. This hash stores the names of the args
    # and the methods that have those args in order to DRY up the method aliases
    # defined below.

Bodacious

  def paypal_acceptance_badge
    path    = "https://www.paypal.com/webapps/mpp/paypal-popup"
    im_path = "https://www.paypalobjects.com/webstatic/mktg/logo/AM_SbyPP_mc_vs_dc_ae.jpg"
    link_to(path, title: "How PayPal Works", id: "paypal_acceptance_badge") do
      image_tag(im_path, border: "0", alt: "PayPal Acceptance Mark")
    end
  end

Bodacious

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

Bodacious

module PesaPal
  require 'active_support'
  include ActiveSupport::Configurable
 
  self.configure do |config|
    config.test_mode       = true
    config.consumer_key    = "<your key>"
    config.consumer_secret = "<your secret>"
  end