timuruski

#!/usr/bin/env ruby

if ARGV.empty?
  warn "Need a list of URLs to benchmark"
  exit 1
end

class Siege
  REQUESTS = 10
  CONCURRENCY = 1

timuruski

## Duplicated methods:
def default_billing_address=(address)
  raise CustomerDoesNotOwnAddress if address.addressable != self
  self.default_billing_address_id = address.id
end

def default_billing_address
  billing_address = self.addresses.find(default_billing_address_id) if default_billing_address_id.present?
  billing_address ||= self.addresses.order(:created_at).first

timuruski

Question: Convert following into the latter data structure in less than 30 lines:

List:
  A, B, C
  A, C, E
  E, F, D
  D, A, J
  E, D, J

List

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a = [1,2,3]

a.map { |n| [n, n * n] }
# => [[1, 1], [2, 4], [3, 9]]

a.flat_map { |n| [n, n * n] }
# => [1, 1, 2, 4, 3, 9]

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class Invoice < ActiveRecord::Base
  has_many :line_items

  # ...

  delegate :<<, :to => :line_items
end

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class User < ActiveRecord::Base
  has_many :posts
end

class Post < ActiveRecord::Base
  belongs_to :user
end


alice = User.create

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module Reverb
  def self.included(base)
    @@verbs ||= []
    @@verbs << base
  end

  def self.inject(base)
    base.class_exec do
      Array(@@verbs).each do |verb|
        verb_name = verb.name.to_sym

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class ApplicationController
  # ...

  class BreakPoint < StandardError
    def initialize(messages)
      @messages = messages
    end

    def to_s
      @messages.join("\n")

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# Emulate ActiveRecord's block <3
class Invoice
  def initialize
    yield self
  end
end

# Checkout delegate to the invoice
class Checkout
  def initialize(invoice)

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class CheckoutForm < ActiveRecord::Base
  attr_accessible :delivery_type # ...

  # ...

  module Defaults
    def delivery_type
      super || default_delivery_type
    end