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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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import Data.List | |
import Text.Printf | |
import Numeric | |
tolerance :: Double | |
tolerance = 1e-2 | |
e :: Double | |
e = 2.718281828 |
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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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getPixel :: Point -> Image -> IO Color | |
getPixel (x,y) i = | |
withImagePtr i $ | |
\p -> gdImageGetTrueColorPixel p (int x) (int y) |
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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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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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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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class Courier < ActionMailer::Base | |
CIPHER = ActiveSupport::MessageEncryptor.new("redacted", "aes-256-cbc") | |
module ClassMethods | |
delegate :encrypt, :to => :"Courier::CIPHER" | |
def valid_email_address? email_address | |
(not email_address.blank?) and email_address.include?("@") | |
end |
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POSSCON = Conference.create(:awesome => true) do | |
starts_on "2010-04-15" | |
ends_on "2010-04-17" | |
speakers %w(Obie Yehuda Wanstrath) | |
end | |
POSSCON.include?(self) or fail |
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@client.diagnoses.include? Diagnosis.get(:hiv) |