carlosantoniodasilva

var Placeholder = {
    init: function(selector) {
        if (!this.supportPlaceholder()) {
            $(selector).placeholder();
        }
    },
    supportPlaceholder: function() {
        return 'placeholder' in document.createElement('input');
    }
}

carlosantoniodasilva

## Running wycats/rails-simple-benches

Changes: https://github.com/carlosantoniodasilva/rails/compare/render-partial-refactor

### Master

$ time ruby minimal.rb 
.........
 overhead index template_1 partial partial_10 coll_10 partial_100 coll_100 uniq_100 diff_100
      195   376        483     519       2144    1447       17997    11109    11438    14620

carlosantoniodasilva

# encoding: UTF-8
# pt-BR translations for Devise
pt-BR:
  errors:
    messages:
      expired: "expirou, por favor, solicite uma nova"
      not_found: "não encontrado"
      already_confirmed: "já foi confirmado"
      not_locked: "não foi bloqueado"
      not_saved:

carlosantoniodasilva

require 'active_support/all'

class A
  class_attribute :attrs
  self.attrs = {}
end

class B < A
end

carlosantoniodasilva

# Include works from right to left

module X
  def self.included(base)
    puts 'include X'
  end
end

module Y
  def self.included(base)

carlosantoniodasilva

require 'benchmark'

TIMES = 100000
s = "carlos"

Benchmark.bm(10) do |x|
  x.report('[1...-1]') do
    TIMES.times do
      s.encode(s.encoding, :xml => :attr)[1...-1]
    end

carlosantoniodasilva

# WEBrick doesn't support keep alive connections for 204 and 304 responses.  If a 204 or 304 response is made along with a keepalive, a warning is issued and webrick closes the connection.

# WARN  Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true

# https://github.com/rails/rails/issues/3164
# https://bugs.ruby-lang.org/issues/5737

# ~/.rbenv/versions/1.9.3-pXXX/lib/ruby/1.9.1/webrick/httpresponse.rb
# Change line 205 to:

carlosantoniodasilva

# Re-register selenium driver to be able to pass in the profile option, overriding the user agent.
Capybara.register_driver :selenium do |app|
  require 'selenium/webdriver'
  profile = Selenium::WebDriver::Firefox::Profile.new
  profile['general.useragent.override'] = 'FooBar'

  Capybara::Driver::Selenium.new(app, :profile => profile)
end

carlosantoniodasilva

require 'benchmark/ips'
require 'bigdecimal'

Benchmark.ips do |x|
  x.report("== true") {
    BigDecimal('3') == true
  }

  x.report("TrueClass") {
    TrueClass === BigDecimal('3')

carlosantoniodasilva

define_method '<=>_with_infinity' do |other|
  if other.class == self.class
    public_send('<=>_without_infinity', other)
  else
    infinite = try(:infinite?)
    other_infinite = other.try(:infinite?)

    # inf <=> inf
    if infinite && other_infinite
      infinite <=> other_infinite