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@mixin random-color($selector) {
  #{$selector}: unquote("rgba(#{random(256) - 1}, #{random(256)-1}, #{random(256 - 1)}, #{random(100)/100})");
}

$tags: (h1, h2, h3, h4, h5, p, li, a, strong, small, em);

@each $tag in $tags {
  #{$tag} {
    @include random-color('color');
  }

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First Name  Last Name Email Address Phone Number  Company Name
Gerhard Kautzer [email protected] 1-207-643-1816  Hodkiewicz-Lynch
Myra  Crona [email protected] (724)196-9470 x998  Champlin-Hahn
Josh  Donnelly  [email protected]  081-799-3139 x248 Casper Group
Verna Farrell [email protected] 731.101.6219  Rosenbaum-Hane
Lauriane  Stracke [email protected]  1-033-511-1831 x471 Prohaska-Sporer
Kaya  Luettgen  [email protected]  (511)745-9273 Wyman, Trantow and Hane
Steve Davis [email protected] 787.315.2611 x747 Kuhic-Lowe
Citlalli  Pfeffer [email protected] 329-584-6962 x047 Gorczany and Sons
Litzy Turcotte  [email protected]  1-084-641-4078 x4410  Hintz-Schmitt

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for f in app/views/devise/**/*.erb; do html2haml -e $f ${f%erb}haml && rm $f; done

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User
  has_many :recipes
  - email
  - name
  - location


Recipe
  belongs_to :user
  has_many :recipe_fermentables

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class Dog
  def initialize(breed, color)
    @breed, @color = breed, color
  end
    
  def describe_me
    "I am a #{@breed} and I am #{@color}"
  end
end

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 <h1><%= markdown_to_html @post.title %></h1>

 <div class="row">

   <div class="col-md-8">

    <small>
      <%= image_tag(@post.user.avatar.tiny.url) if @post.user.avatar? %>
      submitted <%= time_ago_in_words(@post.created_at) %> ago by
      <%= @post.user.name %>

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module ReverseObject
  def reverse
    case self
    when Integer
      to_s.reverse.to_i
    when Float
      to_s.reverse.to_f
    end
  end
end

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require 'benchmark'
puts "#{RUBY_ENGINE rescue ''} #{RUBY_ENGINE == 'jruby' ? JRUBY_VERSION : RUBY_VERSION}"
def a ; "abc"*100 ; end
def b ; "def"*100 ; end
n = 1000000
Benchmark.bm(12) do |x|
  x.report('"#{a}#{b}"')   { n.times { "#{a}#{b}"   } }
  x.report('"" + a + b')   { n.times { "" + a + b   } }
  x.report('"" << a << b') { n.times { "" << a << b } }
end

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class ChangeColumnTypeForUserRole < ActiveRecord::Migration
  
  ROLES = User.roles.keys

  def up
    users = User.all
    rename_column :users, :role, :old_role
    add_column :users, :role, :integer, default: 0
    users.all.each do |u|
      u.update(role: ROLES.index(u.old_role))

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class IncomingController < ApplicationController

  skip_before_action :verify_authenticity_token, only: [:create]

  def create
    @user = User.find_by(email: params[:sender])
    if @user.nil?
      head 500
    end