samullen

module Encoding
  def aes_encode(string, passphrase)
    c = OpenSSL::Cipher::Cipher.new("aes-256-cbc")
    c.encrypt
    c.key = key = Digest::SHA1.hexdigest(passphrase)
    e = c.update(string)
    e << c.final
  end

  def aes_decode(string, passphrase)

samullen

#!/usr/bin/ruby

require 'rubygems'
require 'ipaddr'

cidr = IPAddr.new("172.20.0.0")
# cidr = IPAddr.new("198.6.5.0")
mask = 16
# ip = IPAddr.new("198.6.5.22")
ip = IPAddr.new("172.20.155.101")

samullen

rxvt -geometry 80x65-0+0 &
rxvt -geometry 80x65+600+0 &
rxvt -geometry 80x65+100+0 &
rxvt -geometry 180x24+0-25 &
rxvt -geometry 180x24+0+195 &
rxvt -geometry 80x39+0+0 &

samullen

namespace :buildout do
  #----------------------------------------------------------------------------#
  desc "Mirror the dynamic site into Rails.env/out"
  task :mirror do
    outdir = File.join(Rails.root, "out")

    Dir.mkdir(outdir) unless (File.exist?(outdir) && File.directory?(outdir))
    Dir.chdir(outdir) do
      `wget -m -nH http://localhost:3000`
    end

samullen

# IP to Integer
ip = IPAddr.new('255.255.255.255')
puts ip.to_i

# Integer to IP
ipnum = 4294967295
ip = IPAddr.new(ipnum, Socket::AF_INET).to_s

# If you store the ipnum in MySQL, make sure to use unsigned into for the field.

samullen

  def calculate_seconds(period) 
    if period.match(/(\d+).+?(second|minute|hour|day|week|month|year)s?/) 
      $1.to_i.send($2) 
    end 
  end 

samullen

# Ruby class named after my company. Why not get the possible SEO?
class Phalanx
  def foo
    puts "Fooman was here"
  end

  # Since I already have the Google alert set up...
  def cofounder
    "Samuel Mullen"
  end

samullen

Capybara.add_selector(:link) do
  xpath {|rel| ".//a[contains(@rel, '#{rel}')]"}
end

samullen

class AbsenceValidator < ActiveModel::EachValidator
  def validate_each(record, attribute, value)
    return unless value

    if options.empty? # don't know why you would want this
      record.errors[attribute] << "must be blank"
    elsif options[:all] && options[:all].all? {|sym| record.read_attribute(sym)}
      record.errors[attribute] << "must be blank if the following attributes are defined: #{options[:all].join(', ')}"
    elsif options[:any] && options[:any].any? {|sym| record.read_attribute(sym)}
      record.errors[attribute] << "must be blank if any of the following attributes are defined: #{options[:any].join(", ")}"

samullen

class Timeframe
  include Enumerable

  attr_accessor :start_time, :end_time

  ONEDAY = 24 * 60 * 60

  def initialize(start_time, end_time)
    @start_time = start_time
    @end_time = end_time