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function lazy(fn) {
   return _.once(fn);
}

describe('Expired Item View', function() {
   var item, view, rendered;

   beforeEach(function() {
     item = lazy(function() { return {}; });
     view = lazy(function() { return new APP.Views.ExpiredItem({ item: item() }); });

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describe BowlingGame, '#score' do
  subject { score }
  let(:game) { BowlingGame.new }
  let(:score) do
    rolls.flatten.each { |roll| game.roll(roll) }
    game.score
  end

  context "when there are no spares or strikes" do
    context "all gutter balls" do

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import org.junit.Test;

import java.util.EmptyStackException;
import java.util.Stack;

import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;

public class StackTest {
    Stack<String> stack = new Stack<String>();

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class Integer
  def factorial
    raise if self < 0
    self > 0 ? (1..self).reduce(&:*) : 1
  end
end

describe Integer, '#factorial' do
  context "for values larger than 1" do
    example { 2.factorial.should == 2*1 }

bbasata

module Enumerable
  def sum(identity=0)
    inject(identity) { |sum,each| sum + each }
  end
end

class BowlingGame
  class Frame
    def initialize
      @rolls = []

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Where is your domain model?

A domain model is much more than the “M” in MVC. As Martin Fowler writes, “Learning how to design and use a Domain Model is a significant exercise--one that has led to many articles on the ‘paradigm shift’ of objects use.”

Let’s talk about evolving a domain model in sustainable ways that allow a codebase to organically grow in a way that supports agility and adaptability. Highlights include:

• What is a domain model? What are the alternatives?
• What is sustainable software development?
• Ubiquitous language, and thinking twice about naming something a Manager, Service, or DAO

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Hello again

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Another CoreOS gist

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SUBMODULE=lib/ansible/modules/core
SUBMODULE_COMMIT=4d9ce9cf2cdee14b1c417e92059d4ef83dbcc457

for superproject_tag in $(git tag); do
  git ls-tree -r $superproject_tag | grep $SUBMODULE | awk '{ print $3 }' | while read submodule_commit_in_superproject_tag; do
    (cd $SUBMODULE && git rev-list $submodule_commit_in_superproject_tag | grep $SUBMODULE_COMMIT >/dev/null && echo "Found submodule commit in superproject tag $superproject_tag")
  done
done

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[Ignite] Three ways to automate application deployment to Amazon Web Services

Comparing and contrasting full-stack automated app deployment using:
* Ansible, a task-centric tool with uses from configuration management to cloud provisioning
* Terraform, an model-/graph-centric tool for cloud provisioning
* Convox, a Heroku-like open source Platform-as-a-Service offering that can be deployed into your Amazon Web Services account