leandroh

#!/opt/local/bin/ruby

class Dir
  def self.create(dir, files=[])
    Dir.mkdir(dir)
    Dir.chdir(dir) do
      files.collect { |f| File.new(f, 'w+') } if not files.empty?
      yield if block_given?
    end
  end

leandroh

pg_dump -D -U nome_usuario -h 127.0.0.1 -i -f nome_arquivo.sql -n nome_schema -T ignorar_tabela nome_banco

leandroh

ls features/*.feature | xargs cucumber --language pt

leandroh

module Enumerable
  def return(*)
    if block_given?
      each do |i|
        value = yield(i)
        return value if value
      end
      nil
    else
      super

leandroh

Rails::Initializer.class_eval do
  def load_application_initializers_with_plugin_initializers
    if gems_dependencies_loaded
      plugin_loader.load_plugin_initializers 
    end
    load_application_initializers_without_plugin_initializers
  end
  alias_method_chain :load_application_initializers, :plugin_initializers
end

leandroh

module AssertionExtensions
  def method_missing(method_id, *arguments, &block)
    return super unless method_id.to_s =~ /^assert_(not_)?(.*)$/

    method = "#{$2}?"
    object = arguments.first

    if $1
      arguments.each do |object|
        assert ! object.send(method), "#{method} is not false for #{object}"

leandroh

useradd -G group_name -m user_name

leandroh

SELECT pg_database.datname,
pg_size_pretty(pg_database_size(pg_database.datname))
FROM pg_database
ORDER BY pg_database_size(pg_database.datname) DESC,
pg_database.datname;

leandroh

# Reincarnation for classes

class Class
  def reincarnate
    buried = Object.__send__(:remove_const, self.name)
    Object.const_set(self.name, Class.new(buried))
  end
end

class Abc

leandroh

class Pedido < ActiveRecord::Base 

  def gera_numero_pedido
    self.numero = Array.new(9){rand(9)}.join while self.numero.nil? or Pedido.find_by_numero(self.numero)
  end 
 
end