jodosha

ruby-install -M https://cache.ruby-lang.org/pub/ruby ruby 2.5.0-preview1 --sha512 2d39ef64aaf7a52014905f4ad59b53e83b71433e50a9227f9f50cbb7a2c9a5db9cd69fa7dbe01234819f7edd2216b3d915f21676f07d12bb5f0f3276358bce7f

jodosha

1. Setup

rails new blog
cd blog
hanami new bookshelf
vim Gemfile # add `hanami`
bundle
vim bookshelf/config/environment.rb # See Note 1

jodosha

#!/usr/bin/env ruby
require 'benchmark/ips'
require 'hanami/utils/string'

INPUT = "Hanami::Utils::String".freeze

Benchmark.ips do |x|
  x.report('uncached base')             { Hanami::Utils::String.transform(INPUT, :underscore, :classify) }
  x.report('uncached args')             { Hanami::Utils::String.transform(INPUT, [:rsub, %r{/}, "#"]) }
  x.report('uncached from string')      { Hanami::Utils::String.transform(INPUT, :demodulize, :downcase) }

jodosha

/*.pem

jodosha

Keybase proof

I hereby claim:

• I am jodosha on github.
• I am jodosha (https://keybase.io/jodosha) on keybase.
• I have a public key ASBVaXTnG7VLDxcJwtfoIccTZAN50JtFGXEkIGtJCD9hAgo

To claim this, I am signing this object:

jodosha

#!/usr/bin/env ruby
require 'bundler/setup'
require 'benchmark/ips'
require 'hanami/controller'

class Hanami::Action::Params
  def flat_map_error_messages(error_set = errors)
    error_set.flat_map do |key, messages|
      k = Hanami::Utils::String.new(key).titleize

jodosha

#!/usr/bin/env ruby
require 'benchmark/ips'
require 'digest'

PATH = 'jquery.js'.freeze
FILE = File.new(PATH)

Benchmark.ips do |x|
  x.report('mtime')  { FILE.mtime.utc.to_i }
  x.report('digest') { Digest::MD5.file(PATH).hexdigest }

jodosha

#!/usr/bin/env ruby
require 'benchmark/ips'

module Hanami
  module Utils
    module Kernel
      NUMERIC_MATCHER = /\A([\d\/\.\+iE]+|NaN|Infinity)\z/

      def self.numeric?(arg)
        arg.to_s.match(NUMERIC_MATCHER)

jodosha

source 'https://rubygems.org'

gem 'dry-validation'

jodosha

#!/usr/bin/env ruby
require 'benchmark/ips'

GC.disable
STRING = ("a" * 100).freeze

Benchmark.ips do |x|
  x.report('chars.each') { STRING.chars.each {|c| c.upcase} }
  x.report('each_char')  { STRING.each_char  {|c| c.upcase} }
  x.compare!