garybernhardt

(Chapters marked with * are already written. This gets reorganized constantly
and 10 or so written chapters that I'm on the fence about aren't listed.)

Programmer Epistemology
  * Dispersed Cost vs. Reduced Cost
  * Verificationist Fallacy
  * Mistake Metastasis
  The Overton Window
  Epicycles All The Way Down
  The Hyperspace Gates Were Just There

pcreux

# Postgresql fancy datatypes!

* array
* hstore (=~ hash)
* json
* jsonb


  Philippe Creux - [@pcreux](http://twitter.com/pcreux)

jeanlescure

# Install ttfautohint on Ubuntu 12.04 LTS
# @author: Jean Lescure
# 2014/04/23

# Clone ttfautohint git repo to 'tmp' dir and cd into resulting repo folder
cd /tmp
git clone git://repo.or.cz/ttfautohint.git
cd ttfautohint

# Handle bootstrap's dependency: automake

dhh

# config/routes.rb
resources :documents do
  scope module: 'documents' do
    resources :versions do
      post :restore, on: :member
    end

    resource :lock
  end
end

dhh

class Ticket < ActiveRecord::Base
  belongs_to :grouper
  belongs_to :user

  validate :user_cant_be_blacklisted, on: :confirmation
  validate :user_cant_double_book, on: :confirmation

  validate :grouper_cant_be_full, on: :confirmation
  validate :grouper_cant_have_occurred, on: :confirmation

dhh

# MODEL

class Case < ActiveRecord::Base
  include Eventable
  
  has_many :tasks

  concerning :Assignment do
    def assign_to(new_owner:, details:)
      transaction do

dhh

class GroupersController < ApplicationController::Base
  def create
    @grouper = Grouper.new(leader: current_member)

    if @grouper.save
      ConfirmedGrouperEmails.new(@grouper).deliver
      AssignBarForGrouper.enqueue(@grouper.id)

      redirect_to home_path
    else

dhh

class GroupersController < ApplicationController::Base
  def create
    @grouper = Grouper.new(leader: current_member)

    if @grouper.save
      confirm_grouper_via_emails(@grouper)
      enqueue_bar_assignment(@grouper)

      redirect_to home_path
    else

rkh

require 'delegate'

module Support
  class WarningFilter < DelegateClass(IO)
    def write(line)
      super if line !~ /^\S+gems\/ruby\-\S+:\d+: warning:/
    end
  end
end

concerning.rb

class Module
  # We often find ourselves with a medium-sized chunk of behavior that we'd
  # like to extract, but only mix in to a single class.
  #
  # We typically choose to leave the implementation directly in the class,
  # perhaps with a comment, because the mental and visual overhead of defining
  # a module, making it a Concern, and including it is just too great.
  #
  #
  # Using comments as lightweight modularity: