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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 |
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module Algebra | |
class MaximumIterationsReached < Exception | |
end | |
class NewtonsMethod | |
def self.calculate(function, x) | |
x - function.evaluated_at(x) / function.derivative_at(x) | |
end |
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require 'algebra' | |
class IRR | |
def self.calculate(profits) | |
begin | |
function(profits).zero | |
rescue Algebra::MaximumIterationsReached => mir | |
nil | |
end |
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getPixel :: Point -> Image -> IO Color | |
getPixel (x,y) i = | |
withImagePtr i $ | |
\p -> gdImageGetTrueColorPixel p (int x) (int y) |
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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 |
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import Data.List | |
import Text.Printf | |
import Numeric | |
tolerance :: Double | |
tolerance = 1e-2 | |
e :: Double | |
e = 2.718281828 |
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class MyControllerOrPlainRubyObject | |
extend CodedOptions | |
coded_options :state, %w(initial active closed) | |
STATES = %w(initial active closed) | |
STATE_OPTIONS = [["initial", 0], | |
["active", 1], | |
["closed", 2]] |
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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) |
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= edit f, [[:name , "Name"], | |
[:fein , "FEIN"], | |
[:fein_suffix , "FEIN suffix"], | |
[:state_id , "State"], | |
[:category_id , "Category"] |
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class Controller < ApplicationController | |
def show | |
@transaction_record = TransactionRecord.find(...) | |
respond_to do |wants| | |
wants.html | |
wants.pdf { send_data @transaction_record.pdf } | |
end | |
end |