gazay

# rails/actionpack/lib/action_view/cache_helper.rb

    private
      # TODO: Create an object that has caching read/write on it
      def fragment_for(name = {}, options = nil, &block) #:nodoc:
        if fragment = controller.find_fragment(name, options)
          fragment.read
        else
          # VIEW TODO: Make #capture usable outside of ERB
          # This dance is needed because Builder can't use capture

gazay

rails 3.1.1:
http://dl.dropbox.com/u/12274059/rails_issue311

rails 4.0.0beta:
http://dl.dropbox.com/u/12274059/rails_issue400beta

gazay

      # IP v4 and v6 (with compression) validation regexp
      # http://regexlib.com/REDetails.aspx?regexp_id=1000
      # http://regexlib.com/REDetails.aspx?regexp_id=2685

      VALID_IP = %r{
          (^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})){3}$)                                                         | # ip v4
          (^(
           (([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})                                                                                                                   | # ip v6 not abbreviated
           (([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})                                                                                                                  | # ip v6 with double colon in the end
           (([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})                                                                                              | # - ip addresses v6