spp

# Create a file my_modeule.rb
# Include it in your application load path (Standard: app/lib )

# FILE CONTENTS BEGIN HERE
module MyModule
  def self.included(base)
    base.extend ClassMethods
    class << base
      attr_accessor :class_variable
    end

spp

module FooModule
  def say_hello
    "Hello!"
  end
end

class FooClass
  include FooModule
end

spp

10.3 - 10
# 0.300000000000001
a = 10.3 - 10
# 0.300000000000001
b = 0.300000000000000
# 0.300000000000000
a == b
# false
(a + 10) == (b + 10)
# true

spp

def self.auto_link_content(content)
    # Splits all HTML tags, except <a></a> tags. Keeps <a></a> tags as whole 
    # so that we don't accidentally link already linked Keywords
    word_groups = content.split(/(<a[^>]*>.+?<\/a>|<\/?[^>]*>|[.]|,|['"]+)/i)
    word_groups.collect! do |words|
      (!words.match(/<\/?[^>]*>|[.]+|,+/) && words.match(/([a-zA-Z]+)/)) ? link_it(words) : words
    end
    word_groups.join
end