WizardOfOgz

class Avatar < ActiveRecord::Base

  attr_accessor :content_type, :original_filename, :image_data
  before_save :decode_base64_image

  has_attached_file :image,
    PAPERCLIP_CONFIG.merge(
    :styles => {
      :thumb => '32x32#',
      :medium => '64x64#',

endolith

# Greatest common divisor of 1 or more numbers.
from functools import reduce


def gcd(*numbers):
    """
    Return the greatest common divisor of 1 or more integers

    Examples
    --------