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rd, wr = IO.pipe

if fork
  wr.close
  puts "Parent got: <#{rd.read}>"
  rd.close
  Process.wait
else
  rd.close
  puts "Sending message to parent"

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# How to build dynamic instance methods for classes.
# First define a method creator (i.e. attribute_accessor below) that 
# loops through your params to create new methods.
# Via: http://codeshooter.wordpress.com/2009/06/04/understanding-class_eval-module_eval-and-instance_eval/

Object.class_eval do
  class < < self
    def attribute_accessor( *attribute_names )
      attribute_names.each do |attribute_name|
        class_eval %Q?

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ffmpeg -i in.dts -ac 6 -ab 640000 -ar 48000 out.ac3

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# Doing this will likely kill your machine
very_large_array.each do |array_item|
  fork do
    cpu_intensive_task(array_item)
  end
end

# This however will lower the changes of that happening.
CPU_CORE_COUNT = 4
very_large_array.each_slice(CPU_CORE_COUNT).each do |smaller_array|

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# Initial Rev
# machine.rb
class Machine
  def initialize(name)
    @name = name
  end

  def device
    Lot.find_by_tester(@name).device
  end

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# Use this to look for broken links in your app.
# crawls the development server http://localhost:3000
# Suggestion: Also check to make sure that intentional 404s
#             are handled gracefully by app.

task :crawl => :environment do
  require 'anemone'
  root = 'http://localhost:3000'
  options = {:discard_page_bodies => true, :verbose => true}

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# here lies some notes to help me with define_method
class MetaTest
  define_method(:meta_1) do
    puts 'm.meta_1'
  end

  def initialize
    @a_var = 'iable'
  end
  

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<!-- Class / Concept -->
<owl:Class rdf:ID="a_subclass">
    <rdfs:label rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Subsclass of a class</rdfs:label>
    <rdfs:subClassOf>
      <owl:Class rdf:ID="a_class"/>
    </rdfs:subClassOf>
</owl:Class>

<!-- Simple Instance -->
<Route rdf:ID="Route_1">

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# joins with time range

time_range = (Time.now.midnight - 1.day)..Time.now.midnight
Client.joins(:orders).where(orders: { created_at: time_range })

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--type-add
html=.haml
--type-add
css=.sass,.scss,.less
--type-add
js=.coffee