Di Wen ifyouseewendy

## n+1_benchmark.rb
#!/usr/bin/env ruby

# encoding: utf-8

# ======================================================
# <N+1 problem>
#
# Post.all.each do |p|
#   puts p.category.name
# end

## activerecord-includes-joins-query-count.rb
unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
    source 'https://rubygems.org'
    gem 'rails', github: 'rails/rails'
    gem 'arel', github: 'rails/arel'
    gem 'sqlite3'
  GEMFILE

  system 'bundle'
end

## n+1_benchmark_mongoid.rb
#!/usr/bin/env ruby

# encoding: utf-8

# ======================================================
# <N+1 problem>
#
# Post.all.each do |p|
#   puts p.category.name
# end

## isolate_dynamic_receptor.rb
# Despite the added complexity, method_missing is a powerful tool that needs to be used when the interface of a class cannot be predetermined.
# Use Isolate Dynamic Receptor to move the method_missing behavior to a new class: a class whose sole responsibility is to handle the method_missing cases.

class MessageCollector
  instance_methods.each do |meth|
    undef_method meth unless meth =~ /^(__|inspect)/
  end

  def messages
    @messages ||= []

## replace_dynamic_receptor_with_dynamic_method_definition.rb
class Decorator
  def initialize(subject)
    @subject = subject
  end

  def method_missing(sym, *args, &block)
    @subject.send sym, *args, &block
  end
end

## introduce_class_annotation.rb
module CustomInitializers
  def hash_initializer(*attribute_names)
    define_method(:initialize) do |*args|
      data = args.first
      attribute_names.each do |attr|
        instance_variable_set "@#{attr}", data[attr]
      end
    end

    self.class_eval do

## n+1-mongoid_query_count.rb
#!/usr/bin/env ruby

require 'mongoid'
require 'mongoid/support/query_counter'

Mongoid.configure.connect_to("mongoid_test")

def count_queries(&block)
  query_counter = Mongoid::QueryCounter.new
  query_counter.instrument(&block)

## git-filter_branch.sh
#!/bin/bash

git filter-branch --force --env-filter '
    if [ "$GIT_COMMITTER_NAME" = "wendi" ];
    then
        GIT_COMMITTER_EMAIL="ifyouseewendy@gmail.com";
        GIT_AUTHOR_EMAIL="ifyouseewendy@gmail.com";
    fi' -- --all

## roulette.rb
class Roulette
  def method_missing(name, *args)
    person = name.to_s.capitalize
    super unless %w(Wendi Larry Dapian).include? person
    number = 0
    3.times do
      number = rand(10) + 1
      puts "#{number}..."
    end
    "#{person} got a #{number}"

## proc-curry.rb
# http://ruby-doc.org/core-2.0/Proc.html#method-i-curry
#
# curry → a_proc
#
#   Returns a curried proc.
#
# curry(arity) → a_proc
#
#   If the optional arity argument is given, it determines the number of arguments.
#
	#!/usr/bin/env ruby

	# encoding: utf-8

	# ======================================================
	# <N+1 problem>
	#
	# Post.all.each do \|p\|
	# puts p.category.name
	# end
	unless File.exist?('Gemfile')
	File.write('Gemfile', <<-GEMFILE)
	source 'https://rubygems.org'
	gem 'rails', github: 'rails/rails'
	gem 'arel', github: 'rails/arel'
	gem 'sqlite3'
	GEMFILE

	system 'bundle'
	end
	# Despite the added complexity, method_missing is a powerful tool that needs to be used when the interface of a class cannot be predetermined.
	# Use Isolate Dynamic Receptor to move the method_missing behavior to a new class: a class whose sole responsibility is to handle the method_missing cases.

	class MessageCollector
	instance_methods.each do \|meth\|
	undef_method meth unless meth =~ /^(__\|inspect)/
	end

	def messages
	@messages \|\|= []
	class Decorator
	def initialize(subject)
	@subject = subject
	end

	def method_missing(sym, *args, &block)
	@subject.send sym, *args, &block
	end
	end
	module CustomInitializers
	def hash_initializer(*attribute_names)
	define_method(:initialize) do \|*args\|
	data = args.first
	attribute_names.each do \|attr\|
	instance_variable_set "@#{attr}", data[attr]
	end
	end

	self.class_eval do
	#!/usr/bin/env ruby

	require 'mongoid'
	require 'mongoid/support/query_counter'

	Mongoid.configure.connect_to("mongoid_test")

	def count_queries(&block)
	query_counter = Mongoid::QueryCounter.new
	query_counter.instrument(&block)
	#!/bin/bash

	git filter-branch --force --env-filter '
	if [ "$GIT_COMMITTER_NAME" = "wendi" ];
	then
	GIT_COMMITTER_EMAIL="ifyouseewendy@gmail.com";
	GIT_AUTHOR_EMAIL="ifyouseewendy@gmail.com";
	fi' -- --all
	class Roulette
	def method_missing(name, *args)
	person = name.to_s.capitalize
	super unless %w(Wendi Larry Dapian).include? person
	number = 0
	3.times do
	number = rand(10) + 1
	puts "#{number}..."
	end
	"#{person} got a #{number}"
	# http://ruby-doc.org/core-2.0/Proc.html#method-i-curry
	#
	# curry → a_proc
	#
	# Returns a curried proc.
	#
	# curry(arity) → a_proc
	#
	# If the optional arity argument is given, it determines the number of arguments.
	#