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# what is going on with Hash.new([])?

lines = [
  [1,2],
  [3,4],
  [5,6],
  [5,6.5],
  [7,8]
]

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require 'rubygems'
require 'dm-core'
require 'dm-is-versioned'
require 'dm-timestamps'

DataMapper.setup(:default, 'mysql://localhost/my_db')
class Article
  include DataMapper::Resource

  property :id,               Integer, :serial => true

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class Child
  belongs_to :master, :polymorphic => true
end

class HumanParent
  has_many :organs
end

class RobotOverlord
  has_many :spark_plugs

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desc "Creates a static copy of your site by iterating your thingies."
task :make_static do
  static_dir = File.join(File.dirname(__FILE__), 'static')
  Dir.mkdir(static_dir) unless File.directory?(static_dir)

  require 'sinatra'
  Sinatra::Application.default_options.merge!(
    :run => false,
    :env => :production,
    :views => File.dirname(__FILE__) + "/views"

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$ rails -v
Rails 2.2.2
$ rails meh
...
$ cd meh
$ script/generate controller arf
...

then create an index action on the controller, start script server, visit http://localhost:3000/arf and get 

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/usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/adapters/data_objects_adapter.rb:92:in `execute_non_query': near "EXISTS": syntax error (Sqlite3Error)
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/adapters/data_objects_adapter.rb:92:in `execute'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/adapters/data_objects_adapter.rb:173:in `with_connection'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/adapters/data_objects_adapter.rb:90:in `execute'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/adapters/data_objects_adapter.rb:467:in `destroy_model_storage'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/auto_migrations.rb:77:in `auto_migrate_down!'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core/model.rb:113:in `repository'
        from /usr/local/lib/ruby/gems/1.8/gems/dm-core-0.9.8/lib/dm-core.rb:181:in `repository'
        from /usr/local/

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# generate the commands to install all currently missing versions from the output of `gem list` from
# another box to your local machine.  `gem list` should be of format
#   actionmailer (2.2.2, 2.1.0)
#   actionpack (2.2.2, 2.1.0)
#   ...
#   will_paginate (2.2.2)
#   ZenTest (3.9.2)
#
# usage:  ruby install_gems.rb /path/to/your/gem/list/output.txt

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mb:repo jeff$ ls db/data/us_cities.data.insert.sql 
db/data/us_cities.data.insert.sql
mb:repo jeff$ git filter-branch --index-filter 'git rm -f --cached db/data/us_cities.data.insert.sql' HEAD
Rewrite d54d3041d7d5739b3093f802fc1ef45f3c8e5e16 (1/2713)fatal: pathspec 'db/data/us_cities.data.insert.sql' did not match any files
index filter failed: git rm -f --cached db/data/us_cities.data.insert.sql

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# note that I copy and pasted the first entry's category tag and changed the second term to 'Robocop' to ensure that all items were being captured

  describe "full example" do
    before :each do
      @xml = File.read('spec/sax-machine/atom.xml')
      class AtomEntry
        include SAXMachine
        element :title
        element :name, :as => :author
        element "feedburner:origLink", :as => :url

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module Feedzirra
  class AtomFeedBurnerEntry
    include SAXMachine
    include FeedEntryUtilities
    element :title
    element :name, :as => :author
    element :"feedburner:origLink", :as => :url
    element :summary
    element :content
    element :published