wildchild

module ActionDispatch::Routing
  class Mapper
    def authenticate(scope = Devise.default_scope)
      constraint = lambda do |request|
        request.env["warden"].authenticate!(:scope => scope)
      end

      constraints(constraint) do
        yield
      end

wildchild

module CouchDBAttachments
  def attachment(*args)
    lambda do |env|
      request = ActionDispatch::Request.new(env)
      doc = DocWithAttachments.get(request.params[:doc])
      serve_attachment(doc, request.params[:path])
    end
  end

  private

wildchild

if defined?(Rails)
  class ActionController::Base
    include RailsWarden::Mixins::HelperMethods
    include RailsWarden::Mixins::ControllerOnlyMethods
  end
  module ApplicationHelper
    include RailsWarden::Mixins::HelperMethods
  end
end

wildchild

%% This is http://code.google.com/p/ip2country-erlang on steroids.
%% Database: http://software77.net/cgi-bin/ip-country/geo-ip.pl?action=download
%% Speed: over 200000 lookups in a second.

-module(ip2country).
-compile(export_all).

for_each_line_in_file(Name, Proc, Acc) ->
    {ok, Device} = file:open(Name, [read]),
    for_each_line(Device, Proc, Acc).

wildchild

radius.erl

has_attribute(A) when is_list(A) ->
  X = radius:lookup_attribute(A),
  Code = ...
  has_attribute(Code);

has_attribute(A) when is_integer(A) ->
  ...
has_attribute({Vendor, Specific}) ->