View make-grid-overlay
convert -size 30x20 -background "rgba(100,100,100,0.8)" -splice 10x1 -gravity southeast xc:"rgba(255,0,0, 0.5)" grid-40-21.png
View hoodlums-homework-2010-11-11.hs
module Expressions where
import Data.Maybe
import Data.Char
import Text.Printf
import Control.Applicative
data Expr = Term Int | Op Operator Expr Expr | Var String
deriving (Show, Eq)