wconrad

#!/usr/bin/env ruby

# http://adventofcode.com/day/11

INPUT = "hepxcrrq"

THREE_LETTER_RUN = Regexp.union(("a".."z").each_cons(3).map(&:join))
ILLEGAL_LETTER = /[iol]/

def unique_pairs(s)

wconrad

#!/usr/bin/env ruby

# http://adventofcode.com/day/10

INPUT = "1113222113"

def look_and_say(s)
  s.gsub(/(.)\1*/) do
    "#{$&.size}#{$1}"
  end

wconrad

#!/usr/bin/env ruby

# http://adventofcode.com/day/9

require "set"

class Map

  attr_reader :cities

wconrad

r/bin/env ruby

# http://adventofcode.com/day/8

class Literal

  def initialize(line)
    @s = line.chomp
  end

wconrad

#!/usr/bin/env ruby

# http://adventofcode.com/day/7

class Operation

  attr_reader :source

  def initialize(source:, inputs:, opcode:, output:)
    @source = source

wconrad

#!/usr/bin/env ruby

require "digest/md5"

# http://adventofcode.com/day/4

INPUT = "yzbqklnj"

def find(regex)
  loop.with_index do |_, i|

wconrad

#!/usr/bin/env ruby

# http://adventofcode.com/day/3

require "set"

class Visits

  def initialize
    @locations = Set.new

wconrad

#!/usr/bin/env ruby

# Advent of code, day 1
# http://adventofcode.com/day/2

input = File.read("input")
floors = Enumerator.new do |yielder|
  floor = 0
  input.chars.each do |c|
    floor += case c

wconrad

#!/usr/bin/env ruby

# Advent of code, day 2
# http://adventofcode.com/day/2

class Box

  def self.from_input(line)
    dims = line.split("x").map do |s|
      Integer(s)

wconrad

gem "activerecord", "4.2.5"

# Given that I am using the sqlserver adapter
gem "activerecord-sqlserver-adapter", "~> 4.2.5"

require "active_record"

# And the model is defined before establishing a connection
class DataStagePropertyAttributes < ActiveRecord::Base
  self.table_name = "foo"