jasondew

class CreditCard < ActiveRecord::Base

  belongs_to :order

  has_one :billing_address, :as => :addressable, :class_name => "Address", :dependent => :destroy

  accepts_nested_attributes_for :billing_address

  before_validation :clean_number

jasondew

module Algebra

  class MaximumIterationsReached < Exception
  end

  class NewtonsMethod

    def self.calculate(function, x)
      x - function.evaluated_at(x) / function.derivative_at(x)
    end

jasondew

require 'algebra'

class IRR

  def self.calculate(profits)
    begin
      function(profits).zero
    rescue Algebra::MaximumIterationsReached => mir
      nil
    end

jasondew

getPixel :: Point -> Image -> IO Color
getPixel (x,y) i = 
  withImagePtr i $ 
  \p -> gdImageGetTrueColorPixel p (int x) (int y)

jasondew

getPixels :: Image -> IO [[Color]]
getPixels image = 
  do (width, height) <- imageSize image
    pixelsPointer    <- withImagePtr image $ 
                        \gdi -> #{peek gdImage, tpixels} gdi
    columnPixelArray <- peekArray height pixelsPointer
    mapM (\a -> peekArray width a) columnPixelArray

jasondew

import Data.List                                                                                                             
import Text.Printf                                                                                                           
import Numeric                                                                                                               
                                                                                                                             
tolerance :: Double                                                                                                          
tolerance = 1e-2                                                                                                             
                                                                                                                             
e :: Double                                                                                                                  
e = 2.718281828

jasondew

class MyControllerOrPlainRubyObject
  extend CodedOptions

  coded_options :state, %w(initial active closed)

  STATES = %w(initial active closed)
  STATE_OPTIONS = [["initial", 0],
                   ["active", 1],
                   ["closed", 2]]

jasondew

  extend CodedOptions

  coded_options :state              => ["Active", "Under Appeal", "Terminated"],
                :category           => ["Private, Non-profit", "Private, For-profit", "Publicly Sponsored", "Church Sponsored", "Head Start Organization", "Public School 4K", "Military Prog
                :type               => ["Center Child Care", "Accredited Center", "Group Day Care", "Family Day Care", "Exemption"],
                :authorization_type => %w(License Approval Military Exempt DDSN),
                :county             => %w(Abbeville Aiken Allendale Anderson Bamberg Barnwell Beaufort Berkeley Calhoun Charleston Cherokee Chester Chesterfield Clarendon Colleton Darlingto
                :time               => %w(closed 1:00AM 1:15AM 1:30AM 1:45AM 2:00AM 2:15AM 2:30AM 2:45AM 3:00AM 3:15AM 3:30AM 3:45AM 4:00AM 4:15AM 4:30AM 4:45AM 5:00AM 5:15AM 5:30AM 5:45AM 
                :status             => %w(Open Closed Partial/Exception)

jasondew

  = edit f, [[:name                    , "Name"],
             [:fein                    , "FEIN"],
             [:fein_suffix             , "FEIN suffix"],
             [:state_id                , "State"],
             [:category_id             , "Category"]

jasondew

class Controller < ApplicationController

  def show
    @transaction_record = TransactionRecord.find(...)

    respond_to do |wants|
      wants.html
      wants.pdf { send_data @transaction_record.pdf }
    end
  end