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class Person
  def name
    nickname? ? 'Bob' : 'Robert'
  end

  def nickname?
    false
  end
end

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# Setup HTML::WhiteListSanitizer
ActionView::Base.sanitized_allowed_attributes.add('style')

%w/margin padding padding-left padding-right padding-top padding-bottom list-style/.each do |prop|
  ActionView::Base.sanitized_allowed_css_properties.add(prop)
end

original_string = %Q|<h1 style="color: #333 !important; font-family: arial !important; font-size: 45px !important; font-style: normal !important; font-weight: normal !important; margin: 0 0 10px 0 !important; line-height:-0.5px !important;">Test heading;<a href="https://www.google.com" style="color: #F3724E   !important; font-family: arial !important; text-decoration: none !important;"> link text</a>&nbsp;:&nbsp;</h1>|
sanitized_string = ActionView::Base.white_list_sanitizer.sanitize(original_string)

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class Game < ActiveRecord::Base
  belongs_to :schedule

  belongs_to :contestant_a, polymorphic: true
  belongs_to :contestant_b, polymorphic: true

  has_one :score, dependent: :destroy
  
  def winner
    score.winner

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

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#!/usr/bin/env ruby
require 'bundler/setup'
require 'affinity_propagation'
require 'byebug'

module AffinityPropagation
  class Calculator
    attr_accessor :availabilities, :responsibilities, :similarities
  end
end

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###
# Docker-related functions and aliases
###

# Include these into your ~/.bash_profile; don't replace your ~/.bash_profile with this

alias dc="docker-compose"
alias dcr="docker-compose run --rm"
alias dce="docker-compose exec"

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Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2: