pnf

; list of winning positions
(def wp 
  [2r111000000 2r000111000 2r000000111 2r100100100 2r010010010 2r001001001 2r100010001 2r001010100])
;; Is a particular bitmask winning?
(defn winner? [p] 
  (some (fn [c] (= (bit-and c p) c)) wp))
;; list of possible moves, filtering out ones already made
(defn moves [p] 
  (filter pos? (map #(bit-and (bit-not p) (bit-shift-left 1%)) (range 9))))
;; A board position comprises a bitarray for each player and an indicaiton of whose turn it is.

pnf

trait ViewTransformer[-A,+B] {
  def sequence(in: Iterable[A]) = transform(in.view).to(IterableFactory.toSpecific(in.iterableFactory))
  def transform(v: View[A]): View[B]
  def map[C](f: B => C): ViewTransformer[A,C] = new ViewTransformerImpl[A,C,B](this) {
    override def transform(v: View[A]): View[C] =  prev.transform(v).map(f)
  }
  def flatMap[C](f: B => IterableOnce[C]): ViewTransformer[A,C] = new ViewTransformerImpl[A,C,B](this) {
    override def transform(v: View[A]): View[C] =  prev.transform(v).flatMap(f)
  }
}

pnf

{-# LANGUAGE RankNTypes #-}
import Data.STRef
import Data.Vector (fromList, toList, freeze, thaw)
import Control.Monad
import Data.Vector.Mutable (MVector, STVector, read, write, swap)
import qualified Data.Vector as V (Vector, length)
import Data.List (sortOn)
import Prelude hiding (read)
import GHC.ST

pnf

(ns qaxl.core
  (:use clojure.walk clojure.pprint qaxl.cache)
  (:require [co.paralleluniverse.pulsar.async :as qa]
            [clojure.core.async :as a]
            [co.paralleluniverse.pulsar.core :as q]
            [clojure.test :refer [function?]]
            [co.paralleluniverse.fiber.httpkit.client :as hk]
            [co.paralleluniverse.pulsar.core :refer [fiber]]
            [clojure.core.match :refer [match]]))

pnf

;; La bella vita di quattro finestre
(global-set-key "\C-col" 'windmove-left)
(global-set-key "\C-cor" 'windmove-right)
(global-set-key "\C-cou" 'windmove-up)
(global-set-key "\C-cod" 'windmove-down)
(global-set-key "\C-cow" 'ido-jump-to-window)
(defun windmove-opposite () (interactive)
  (if (windmove-find-other-window 'up) (windmove-up) (windmove-down))
  (if (windmove-find-other-window 'right) (windmove-right)(windmove-left)))
(global-set-key "\C-coo" 'windmove-opposite)

pnf

die "Note that there are two different algorithms here.  Don't expect it to run as is."


#!/usr/bin/perl
# ~0.15s on i7 1.7GHz
my @all;
my $m=0;
while(<>) {
    $l = length($_);
    $m = $l if $l>$m;

pnf

(defn maintain-non-primes [non-primes]
  "Remove first non-prime entry, and create new entries based on it"
  (let [[n ps]         (first  non-primes)
        xs             (dissoc non-primes n)
        new-non-primes (map (fn [p] [(+ n p)  (cons p (xs (+ n p))) ]) ps)]
    (into xs new-non-primes)))
(defn seive
  ([] (seive (sorted-map) 2))
  ([n] (take n (seive (sorted-map) 2)))
  ([non-primes n]

pnf

#!/usr/bin/env python
from math import *
import sys
 
# draw line from x,y of length s at angle theta, spawn growth of length s*r,  theta+/-q unless n==0
def grow(x, y, theta, s, q, r, n):
    ret = [(x,y,theta,s)]
    n = n-1
    if n>0:
        x2 = x + s*cos(theta)

pnf

Welcome to Scala version 2.10.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_21).
Type in expressions to have them evaluated.
Type :help for more information.

scala> implicit def strToInt(x:String) = x.toInt
warning: there were 1 feature warning(s); re-run with -feature for details
strToInt: (x: String)Int

scala> class C[A](v:A){def a(implicit ev:A=>Int)=123+ev(v)}
defined class C

pnf

#!/usr/bin/env python
import re
import sys
from collections import deque

class Frame:
    def __init__(self,node,indent):
        self.node = node
        self.indent = indent