drbrain

Warming up --------------------------------------
               range    60.821k i/100ms
                args    63.056k i/100ms
Calculating -------------------------------------
               range    774.236k (± 7.5%) i/s -      3.893M in   5.057747s
                args    797.590k (± 6.0%) i/s -      3.973M in   5.000220s
Warming up --------------------------------------
               range    64.468k i/100ms
                args    65.528k i/100ms
Calculating -------------------------------------

drbrain

module A
  module B
    puts "module B inside module A nesting: #{Module.nesting}"

    module_function

    def show_nesting
      puts "show_nesting nesting: #{Module.nesting}"
    end

drbrain

def color(i)
  color = 16 + (i * 13) % 216

  "\e[38;5;#{color}m"
end

5.times { puts }

zalgo = "Z̤̯̤͈̲̠͋͟A̷̞͌̍̆̓L̺̙͖G̜̣̱̃̍́ͮO̤͙̫͔̔́̏͐̇͡!̷͙͉͖̋ͩ̓̇̿"

drbrain

class A
  def m(&block)
    #return enum_for __method__ unless block_given?
    # The above calls the B implementation of #m so instead we have to create
    # our own Enumerator that's bound to this class' method so we can run the
    # with-block version of this method
    unless block_given? then
      enum = Enumerator.new do |yielder|
        method = A.instance_method(__method__).bind self

drbrain

$ ruby -v t.rb
ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-darwin17]
Lookup
Warming up --------------------------------------
Symbol Hash, Symbol Key
                       259.197k i/100ms
String Hash, String Key
                       231.953k i/100ms
Symbol Hash, String Key
                       203.959k i/100ms

drbrain

#!/usr/bin/env bash
set -e
[ -n "$DEBUG" ] && set -x

banner()  { printf -- "-----> $*\n"; }

banner "Restarting VMware networking"

banner "Stopping networking"
sudo /Applications/VMware\ Fusion.app/Contents/Library/vmnet-cli --stop

drbrain

require 'rake/tasklib'
require 'rake/clean'

##
# Creates a cross-compiled library that mruby-cli can use to link with
# each cross-built command.
#
#   CrossLibrary.new "curl" do |cross|
#     cross.release_name = "curl-7.28.0"
#     cross.url = "https://curl.example/download/#{cross.release}.tar.gz"

drbrain

class TestMyModule < Minitest::Test
  include MyModule
  
  def test_method_from_my_module
    actual = method_from_my_module input_data
    
    assert_equal 'something', actual
  end
end

drbrain

#!/usr/bin/env ruby

numbers = (1..100).to_a

numbers.each do |n|
  div_5 = n.divmod(5).last.zero?
  div_7 = n.divmod(7).last.zero?
  
  message =
    if div_5 and div_7 then

drbrain

task default: %w[shellmode shellmode_ENV direct io]

task :shellmode do
  sh "echo hello world"
end

task :shellmode_ENV do
  env = {
    'MESSAGE' => 'hello world',
  }