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it ( 'should calculate the proper value', function () {

  var ds = new DataService();
  var x = new Foo( ds );

  sinon.stub( ds, "lookupMultiplier" ).returns( 2 );

  var rst = x.calculateValueBasedOnLookup( 5 );

  expect( rst ).to.equal( 10 );

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package example.web;

import example.domain.PermissionDeniedException;
import example.domain.Person;
import example.domain.SearchUi;
import example.domain.Thing;

import example.service.ThingService;
import example.service.PersonService;
import example.service.ThingConstants;

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class PayCalculator {

  public static long totalPayForEmployee ( HourlyEmployee employee ) {
    RateRepository rr = new RateRepository ();
    long rate = rr.getRateById ( employee.id ); 
    return rate * employee.hours;
  }
}

class RateRepository {

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class Liskov {
    public static int calculateArea(Rectangle x) {
        return x.getHeight() * x.getWidth();
    }

    public static int calculateArea(Square x) {
        return x.getHeight() * x.getHeight();
    }
}

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class Cart {
  
  private List<OrderItem> items = new ArrayList<OrderItem>();

  public void add ( OrderItem item ) {
    this.items.add ( item );
  }

  public long calcTotal () {

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var Kefir = require( "kefir" )

var numbers1 = Kefir.sequentially( 100, [1, 2, 3] )
var numbers2 = numbers1.map( multiplyBy2 )
var numbers3 = numbers2.filter( isNot4 )

numbers3.onValue( print )

function multiplyBy2 ( x )
{

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var vdom = require( "virtual-dom" )
var h = vdom.h

var count = 0
var tree = render( count )
var rootNode = vdom.create(tree)

document.body.appendChild( rootNode )

setInterval( updateDom , 500)

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var Kefir = require( "kefir" )

var plusButton = document.getElementById( "plus-btn" )
var minusButton = document.getElementById( "minus-btn" )

var plusClicks = Kefir.fromEvent( plusButton , "click" )
var minusClicks = Kefir.fromEvent( minusButton , "click" )

var counterChanges = Kefir.merge(
  [ plusClicks.mapTo(1) , minusClicks.mapTo(-1) ]

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var R = require("ramda")
var _ = require("underscore")

var tasks = [
  { username: 'Scott'
  , title: 'remember milk'
  , dueDate: '2015-04-01'
  , complete: false
  , priority: 'medium'
  }

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var assert = require("chai").assert
var R = require("ramda")
var UrlPattern = require("url-pattern")

var patterns = [ "#/foos/new" , "#/foos/:id" , "#/" ]
var path = routes( patterns , "#/foos/new" )

assert.equal( path.pattern , "#/foos/1" )

function routes( patterns , hash )