jodosha

if Config::CONFIG['host'] =~ /mswin/i
  def socket_active?
    return false if not @sock or @sock.closed?
    begin
      @sock.write("\0")
      Timeout.timeout(0.1){ @sock.read } # TODO make 0.1 configurable
    rescue Exception
      false
    end
  end

jodosha

# RubyRedis is an alternative implementation of Ruby client library written
# by Salvatore Sanfilippo.
#
# The aim of this library is to create an alternative client library that is
# much simpler and does not implement every command explicitly but uses
# method_missing instead.

require 'socket'

class RedisClient

jodosha

class Contact < ActiveRecord::Base
  belongs_to :customer
  belongs_to :project
end

jodosha

require 'benchmark'

OK = "OK".freeze
Ok = "OK".freeze

Benchmark.bm(30) do |b|
  b.report('upcase constant') do
    5_000_000.times { 'OK' == OK }
  end

jodosha

class TagsController < ApplicationController
  def show
    @tag = Tag.find_by_permalink!(params[:id])
  end
end

jodosha

# Refactoring proposal for ActiveSupport bytes calculations
require "benchmark"
ONE = 1

module Bytes
  def bytes
    self
  end
  alias :byte :bytes

jodosha

require "benchmark"

CONDITION = false
ONE = 1

Benchmark.bm(30) do |b|
  b.report("if not true") do
    counter = 0
    5_000_000.times { counter += ONE if !CONDITION }
  end

jodosha

require "benchmark"
require "rubygems"
require "activesupport"

module Enumerable
  def else(&block)
    self.respond_to?('empty?') && self.empty? ? yield : self
  end

  def else_try(&block)

jodosha

require "benchmark"

TIMES = 5_000_000
HASH  = { "foo" => "1000", "bar" => "2000" }

Benchmark.bm(30) do |b|
  b.report("old implementation") do
    TIMES.times do |i|
      keys = %w(foo bar)
      result = HASH.inject({}) do |hash, value|

jodosha

class User
  include DataMapper::Resource

  property :id, Serial
  property :name, String
  has n, :subscriptions
  has n, :feeds, :through => :subscriptions, :mutable => true
end

class Subscription