jhannes

(defn print-subtree [subtree prefix]
  (if (empty? subtree)
    ""
    (apply str prefix (first subtree) "\n"
           (map #(print-subtree %1 (str "\t" prefix)) (rest subtree)))))

(defn print-tree [tree]
  (print-subtree tree ""))

(deftest print-empty-tree

jhannes

require 'rubygems'
require 'awesome_print'

load 'repodepot.rb'


class CodeEvent
  def full_method_name
    class_name + "#" + method_name
  end

jhannes

describe "Explored minefield", ->

  expectHints = (mines) ->
    expect(new exports.Minefield(mines:mines,explored:true).hints())

  it "shows rows and columns", ->
    expectHints(["...","..."]).toEqual ["000", "000"]
    
  it "shows minefield shape", ->
    expectHints(["..","..",".."]).toEqual ["00","00","00"]

jhannes

class exports.Minefield

  constructor: (@cells)->

  hints: ->
    ((@hint(row,col) for col in @cols()).join("") for row in @rows())
  
  rows: -> [[email protected]]
  cols: -> [0...@cells[0].length]
  hint: (row,col) ->

jhannes

v Separate Solar system and bouncing ball logic
  v Delete IS_BOUNCING_BALL flagg
    v Move main method of Space to subclasses
      v Create subclasses of "Space"
      v Remove IS_BOUNCING_BALLS if-test in main
        v Extract main method logic to non-static method
        v Make IS_BOUNCING_BALLS into an argument
    v Convert if statements into polymorphism
      v Convert IS_BOUNCING_BALLS into non-static field in Space
        v Move IS_BOUNCING_BALLS to Space

jhannes

class ShoppingCart
  constructor: (@items)->
    @counts = (count for item,count of @items).sort().reverse()
  totalPrice: -> @subTotal() - @discount()
  subTotal: ->
    result = 0
    result += count*8 for item,count of @items
    result
  discount: ->
    @discountForSetOfSize(2, 5) +

jhannes

public class Demo {

    private static Object baseUrl;

    public static void main(String[] args) {
        Namespace SOAP_NS = new Namespace("http://soap.com", "SOAP");
        Namespace MSG_NS = new Namespace("http://msg.com", "msg");
        TagName envelopeTag = SOAP_NS.tag("Envelope");

        Element envelope = envelopeTag.create(

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public class CurrencyPublisherTest {

    private SubscriptionRepository subscriptionRepository = mock(SubscriptionRepository.class);
    private EmailService emailService = mock(EmailService.class);
    private CurrencyPublisher publisher = new CurrencyPublisher();
    private CurrencyService currencyService = mock(CurrencyService.class);
    private GeolocationService geolocationService = mock(GeolocationService.class);

    @Test
    public void shouldPublishCurrency() throws Exception {

jhannes

package no.something.ftas.solvers;

import no.something.ftas.QuestionSolver;

public class AdditionSolver extends QuestionSolver {

    public AdditionSolver() {
        super("Addition");
    }

jhannes

package com.johannesbrodwall.infrastructure;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;