mlomnicki

def find_family_view_for_state_with_caching(state, action_view)
  return find_family_view_for_state(state, action_view) unless ActionController::Base.perform_caching

  key         = "#{state}/#{action_view.template_format}"
  self.class.state2view_cache[key] ||= find_family_view_for_state(state, action_view)
end

mlomnicki

c = ActiveRecord::Base.connection
c.tables.collect do |t|  
  columns = c.columns(t).collect(&:name).select {|x| x.ends_with?("_id" || x.ends_with("_type"))}
  indexed_columns = c.indexes(t).collect(&:columns).flatten.uniq
  unindexed = columns - indexed_columns
  unless unindexed.empty?
    puts "#{t}: #{unindexed.join(", ")}"
  end
end

mlomnicki

class A

  private
  def foo
    puts "Private method called"
  end

end

class B < A

mlomnicki

# script/generate model Post content:text 

class Post < ActiveRecord::Base

  alias :full_content :content

end

mlomnicki

class A

  protected
  def foo
  end

  private
  def bar
  end

mlomnicki

puts local_variables.inspect

y = 4

mlomnicki

module ModOne
  def hello
    "hello1"
  end
end

module ModTwo
  def hello
    "hello2"
  end

mlomnicki

module Utils

   def foo
      puts "bar"
   end

   def bar
      puts "foo"
   end

mlomnicki

s = '[email protected]'
s[/^([^@]+)@(.*)/, 1] # => michal
s[/^([^@]+)@(.*)/, 2] # => example.com

s.match(/^([^@]+)@(.*)/)[1] # => michal
s.match(/^([^@]+)@(.*)/)[2] # => example.com

mlomnicki

puts "Before block comment"
=begin
   The method above prints a string to stdout
   Pretty awesome!
   And the method below does the same!
=end
puts "After block comment"