whaley

package com.jasonwhaley.tictactoe

sealed abstract class GameState {
  val nextTurn : TicTacToeSpace
  val message : String
  val isGameFinished : Boolean
}


case class XMovesNext extends GameState {

whaley

  def getGameState(board: TicTacToeBoard): GameState = {
    board.getWinner match {
      case Some("X") => return new XWins
      case Some("O") => return new OWins
      case _ => //noop
    }
    board.spacesUsed match {
      case 9 => return new StaleMate   
      case number if number % 2 == 0 => return new XMovesNext
      case _ => return new OMovesNext  

whaley

  def getWinner() : Option[String] = {
    val topRow = List( grid(0)(0), grid(0)(1), grid(0)(2) )
    val middleRow = List( grid(1)(0), grid(1)(1), grid(1)(2) )
    val bottomRow = List( grid(2)(0), grid(2)(1), grid(2)(2) )
    val leftColumn = List( grid(0)(0), grid(1)(0), grid(2)(0) )
    val middleColumn = List( grid(0)(1), grid(1)(1), grid(2)(1) )
    val rightColumn = List( grid(0)(2), grid(1)(2), grid(2)(2) )
    val diagonalTopLeft = List( grid(0)(0), grid(1)(1), grid(2)(2))
    val diagonalTopRight = List( grid(2)(0), grid(1)(1), grid(0)(2))

whaley

String[] qa = new String[] {"Who was the first pres of the USA","George Washington"};

//... and later on

String question = qa[0];
String answer = qa[1];

whaley

#!/bin/bash

rootDirectory="$1"
stringToMatch="$2"

for jarfile in $(find "$rootDirectory" -name '*.jar')
do
    grepOut=$(jar tvf "$jarfile" | grep "$stringToMatch")
    if [[ $grepOut ]] 
    then

whaley

[whaley@sunspot ~/inbox] 
> ./findInJar ~/opt/jetty-6.1.15 Main
Matching file(s) found in /Users/whaley/opt/jetty-6.1.15/lib/jetty-6.1.15.jar
	org/mortbay/jetty/Main.class
Matching file(s) found in /Users/whaley/opt/jetty-6.1.15/lib/jsp-2.0/ant-1.6.5.jar
	org/apache/tools/ant/Main.class
	org/apache/tools/ant/helper/ProjectHelper2$MainHandler.class
Matching file(s) found in /Users/whaley/opt/jetty-6.1.15/lib/jsp-2.0/jasper-compiler-jdt-5.5.15.jar
	org/eclipse/jdt/internal/compiler/batch/Main$1.class
	org/eclipse/jdt/internal/compiler/batch/Main$2.class

whaley

import itertools
import boto

ec2 = boto.connect_ec2()
chain = itertools.chain.from_iterable
existing_instances = list(chain([res.instances for res in ec2.get_all_instances()]))
print existing_instances #gives you a list of all instances

whaley

> 

whaley

  koan("Using Option to avoid if checks for null") {
    //the ugly version
    def makeFullName(firstName: String, lastName: String) = {
      if (firstName != null) {
        if (lastName != null) {
          firstName + " " + lastName
        } else {
          null
        }
      } else {

whaley

def gcd(a : Int, b : Int) : Int = {
  (a,b) match {
    case (_,0) => a
    case (0,_) => b 
    case (_,_) => gcd(math.min(a,b), math.abs(a - b))
  }
}