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Hacking beautiful code...

Carlos Antonio da Silva carlosantoniodasilva

Hacking beautiful code...
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carlosantoniodasilva / apparition-bug.rb
Last active Feb 18, 2020
Sample one-file app to try to reproduce an issue with Capybara + Apparition:
View apparition-bug.rb
# frozen_string_literal: true
Sample one-file app to try to reproduce an issue with Capybara + Apparition:
Running the file using `ruby` causes it to fail and log the following response:
log: -> RESPONSE: "" "success" {"readyState":4,"responseText":"","status":200,"statusText":"OK"}
View deep_config.rb
require 'active_support/all'
class RailsConfig
class Options < ActiveSupport::OrderedOptions
def initialize(value = nil)
value.each_pair { |k, v| set_value k, v } if value.is_a?(Hash)
def method_missing(meth, *args)
if meth =~ /=$/
carlosantoniodasilva /
Created Jun 10, 2014
Devise translations to pt-BR.
confirmed: 'Sua conta foi confirmada com sucesso.'
send_instructions: 'Dentro de minutos, você receberá um e-mail com instruções para a confirmação da sua conta.'
send_paranoid_instructions: 'Se o seu endereço de e-mail estiver cadastrado, você receberá uma mensagem com instruções para confirmação da sua conta.'
already_authenticated: 'Você já está logado.'
inactive: 'Sua conta ainda não foi ativada.'
invalid: 'E-mail ou senha inválidos.'
View while-vs-each_with_index.rb
require 'benchmark/ips'
ARRAY = [1,2,3,1,'2',4,'5',6,7,8,9,'10']
Benchmark.ips do |x|"while") {
hash = {}
index = 0
length = ARRAY.length
View tclient
#!/usr/bin/env ruby
require 'socket'
test_file = ARGV[0]
socket ='testing.sock')
carlosantoniodasilva / ar-override-define_attribute_methods.rb
Last active Dec 13, 2015
Test AR monkey patch of define_attribute_methods.
View ar-override-define_attribute_methods.rb
require 'active_record'
require 'active_record/base'
module ActiveRecord
module CVE123456
def define_attribute_methods
# ....
raise "OMG Monkey Patch!"
carlosantoniodasilva / simple_form_hour_input.rb
Created Jan 25, 2013
SimpleForm hour select input example.
View simple_form_hour_input.rb
# app/inputs/hour_input.rb
class HourInput < SimpleForm::Inputs::Base
def input, hour_options, { :selected => selected_value }, { :class => "input-medium" })
# The "Selecione..." string could also be translated with something like: I18n.t("')
def hour_options
View bench_hash_key_vs_fetch.rb
require 'benchmark'
TIMES = 100000
HASH = { as: :fuu } do |x|'[:as] (existing)') do
TIMES.times do
HASH[:as] || :default
carlosantoniodasilva / infinite_comparable.rb
Last active Dec 10, 2015
Infinite Comparable attempt to refactor.
View infinite_comparable.rb
define_method '<=>_with_infinity' do |other|
if other.class == self.class
public_send('<=>_without_infinity', other)
infinite = try(:infinite?)
other_infinite = other.try(:infinite?)
# inf <=> inf
if infinite && other_infinite
infinite <=> other_infinite
View bigdecimal-perf.rb
require 'benchmark/ips'
require 'bigdecimal'
Benchmark.ips do |x|"== true") {
BigDecimal('3') == true
}"TrueClass") {
TrueClass === BigDecimal('3')
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