anolson

class LuhnChecksum
  attr_accessor :number
  
  def initialize(number = "")
    @number = number
  end  
  
  def valid?
    calculate_checksum % 10 == 0
  end

anolson

Saddle point found at: [1, 3]
No saddle points found
Saddle point found at: [1, 3]

anolson

require 'rubygems'
require 'net/ldap'

class SimpleEdAuthenticator
  HOST, PORT, BASE_DN = 'authn.directory.vt.edu', 636, 'ou=People,dc=vt,dc=edu'
  
  def initialize(options = {})
    @authenticated = false
    @attributes = {}
    

anolson

class LogProducer
  
  attr_accessor :streams
  
  def initialize(options = {})
    @streams = Hash.new
    @filename = options[:filename]
    add_stream(options[:stream])
  end
  

anolson

#!/usr/bin/env ruby

require 'net/smtp'
require 'optparse'

module SendFile

  class CommandlineOptions
        
    attr_accessor :options

anolson

require "test/unit"

class TestFibonachi < Test::Unit::TestCase

  def test_fibonachi_numbers
    numbers = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765]
    numbers.each_with_index { |number, index|
      assert_equal number, Fibonachi.number(index)
    }

anolson

document.observe('dom:loaded', function(){
  $('click_me').observe('click', function(event) {
    activateDialog(event);
  });
});

function activateDialog(event) {
  var element = Event.findElement(event);
  fetchDialogContent(element.href);
  event.stop();

anolson

#!/usr/bin/env ruby
require 'net/http'
require 'rexml/document'

module Ride4Ruby
  GOOGLE_MAPS_API_KEY = "your google key"

  @states = ["Alabama", "Alaska", "Arizona", "Arkansas", "California", "Colorado", "Connecticut", "Delaware", "District of Columbia", "Florida", "Georgia", "Idaho", "Illinois", "Indiana", "Iowa", "Kansas", "Kentucky", "Louisiana", "Maine", "Maryland", "Massachusetts", "Michigan", "Minnesota", "Mississippi", "Missouri", "Montana", "Nebraska", "Nevada", "New Hampshire", "New Jersey", "New Mexico", "New York", "North Carolina", "North Dakota", "Ohio", "Oklahoma", "Oregon", "Pennsylvania", "Rhode Island", "South Carolina", "South Dakota", "Tennessee", "Texas", "Utah", "Vermont", "Virginia", "Washington", "West Virginia", "Wisconsin", "Wyoming"]

  class Location 

anolson

require 'rubygems'
require 'httparty'

module Google
  module Geocode
    
    class RequestDenied < StandardError; end
    
    class Client
      include HTTParty

anolson

require 'rubygems'
require 'active_model'
require 'active_support'

class Model
  include ActiveModel::Validations
  include ActiveModel::Conversion
  extend ActiveModel::Naming
  
  def initialize(attributes = {})