bachue

def run_filters(&blk)
  m = Module.new do
    extend self
    @__filter_endpoint = blk
  end
  code = '@__filter_endpoint.call'
  filter_methods = private_methods.grep(/^filter_/)
  filter_methods.each do |meth|
    m.send(:define_method, "__filter_#{meth}", method(meth))
  end

bachue

class A
  def f() 'A#f' end
end

module M
  def f() 'M#f' end
  def g() 'M#g' end
  def k() 'M#k' end
end

bachue

jobs_per_process = 100
process_count = 10

User.find_in_batches(:batch_size => jobs_per_process * process_count, :conditions => "name like '%00'") do |group|
  batches = group.in_groups(process_count)
  batches.each do |batch|
    Process.fork do
      ActiveRecord::Base.establish_connection
      batch.reject { |user| user.nil? }.
        each {|user| puts user.name }

bachue

class A
  class << self
    def add(ele)
      @array ||= []
      @array << ele
    end

    def array
      @array ||= []
    end

bachue

def Object.superclasses
  superclasses = superclass.superclasses if superclass.respond_to?(:superclasses)
  superclasses ||= []
  superclasses.unshift self
end

bachue

require 'tsort'
require 'pp'

Node = Struct.new :value, :before, :after

class Collection < Array
  include TSort

  alias :tsort_each_node :each
  def tsort_each_child(current, &block)

bachue

require 'v8'

v8 = V8::Context.new
r = v8.eval 'a = {"b": 310399688698392577}'
r[b].to_i # => 310399688698392576 (expected: 310399688698392577)

bachue

def write_cookie?(cookie)
  @secure || !cookie[:secure] || defined?(Rails.env) && Rails.env.development?
end

bachue

Rails::Engine < Rails::Railtie
Rails::Plugin < Rails::Engine
Rails::Application < Rails::Engine
I18n::Railtie < Rails::Railtie
ActiveSupport::Railtie < Rails::Railtie
ActionDispatch::Railtie < Rails::Railtie
ActionView::Railtie < Rails::Railtie
ActionController::Railtie < Rails::Railtie
ActiveRecord::Railtie < Rails::Railtie
ActionMailer::Railtie < Rails::Railtie

bachue

def Object.const_missing(const_name, *args)
  puts "const_missing #{const_name.inspect}"
  require './test_class'
  Object.const_get const_name
end

obj = TestClass.new
puts obj.f # => hello world