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module Context
  def the(key, value)
    context[key] = value
  end

  def method_missing(method, *args, &block)
    key = extract_key(method)
    if key
      context.fetch(key.to_sym)
    else

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Screencasting Framework

The following document is a written account of the Code School screencasting framework. It should be used as a reference of the accompanying screencast on the topic.

Why you should care about screencasting?

You're probably aren't going to take the time to read this document if you're not interested, but there are a lot of nice side effects caused by learning how to create quality screencasts.

1. Communicating more effectively - At Envy Labs we produce screencasts for our clients all the time. Whether it's demoing a new feature or for a presentation for an invester, they're often much more effective and pleasent than a phone call or screen sharing.

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Steve Tooke: East Oriented Rails

James Ladd proposes a compass that we can use to navigate our object-oriented designs. We move North as we travel up a layer, South as we travel down a layer. West will take us away from the object, and East moves us towards another object.

James suggests that we orient our code so that we are always travelling East. In practice this means that code should follow these rules:

1. All public methods return nil, boolean or return a reference to the current object (self).
2. Objects that implement the Factory or Builder pattern or similar are an exception.
3. East is better suited to composite objects, not primitive objects (James doesn’t make this distinction).

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;solution presented
(def a
  (fn [type & args]
    (apply type args)))

;my original solution
(def a
  (fn [type & args]
    (eval (cons type args))))

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Host pairhost2
  Hostname lin.one42.co.uk
  User mattwynne
  Port 10022
  RemoteForward localhost:22222 localhost:22

Host *.pair2
  ProxyCommand ssh -e none -ax pairgate nc -w 5 localhost %p 2>/dev/null
  User pairing
  LocalForward localhost:3000 localhost:3000

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require 'delegate'
class ProtectionProxy < SimpleDelegator
  def initialize(object, *writable_fields)
    super(object)
    @writable_fields = writable_fields
  end

  def method_missing(method, *args, &block)
    method_name = method.to_s
    if !method_name.end_with?('=')

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Ragir S. 2000 Evolutionary Anthropology 9(4) 153-5

Abstract

At least four innovations in nutrient sources, preparation, and distribution underlie the transformation of our evolutionary ancestors into modern humans: the digging, preparation, and consumption of tubers and rhizomes; the technological mediation of hunting and butchering of animal prey; the socially mediated redistribution of animal prey; and the control of fire for cooking. The emergence of technologies for processing hard-to-obtain or difficult-to-digest foods such as animal protein, savanna tubers,

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class CardCreator < Struct.new(:listener)
  def create(iteration, attributes)
    card = iteration.cards.build(attributes)
    if card.save
      listener.created(card)
    else
      listener.create_failed(card)
    end
  end
end

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class Organization
  def to_param
    "42"
  end
  def saved?
    rand > 0.5
  end
end

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# ADD LOCAL CONFIGURATION HERE
[diff]
[color]
  diff = auto
  status = auto
  branch = auto
[core]
  editor = vim
[alias]
  st = status