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# Deciding how to handle a collection based on its size.
#
# Inspired by http://silkandspinach.net/2012/07/06/hexagonal-rails-hiding-the-finders/
#
# See below for usage

module Demux
  def demux(demux, outputs = nil, &block)
    if outputs && block_given?
      raise ArgumentError, "Pass either a block or an object, not both"

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module MyMixin
  def say_hello
    "hello!"
  end
end

Object.new.extend(MyMixin).say_hello #=> "hello!"

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class PersistentCollection
  def initialize(klass)
    @klass = klass
  end

  # ...
end

# This should be reusable
class ScopedCollection

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class Outcome
  HANDLER    = "if_"
  HANDLER_RX = /^#{HANDLER}/
  QUERY_RX   = /\?$/

  def self.new(result, *args, &b)
    super.tap { |o| yield o if block_given? }
  end

  def initialize(result, *args)

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# admin/real_estate_companies.rb
ActiveAdmin.register RealEstateCompany do
  form do |f|
    f.inputs do
      f.input :vendors, collection: Vendor.sorted_by_name
    end
  end
end

# models/vendor.rb

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module Assertions
  def demand(&block)
    block.call or raise ConditionFailed
  end

  def promise(&block)
    tap { |o| yield o or raise ConditionFailed }
  end

  def refuse(&block)

david

Signup

Users need to sign up to use our app because [purpose]. We don't want to scare users with a long form though, so we'll simply ask for the minimum information. In our case that's the name, email and a password.

We don't ask users to confirm the password because they can easily reset it using the Forgot Password? link.

When a user signs up successfully, they will be sent to the dashboard. We will send them an email confirming the sign up.

Example: Successful signup

Given I am a visitor

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Programming in General

• Code Complete
• The Practice of Programming

Talks

• Simple Made Easy

Problem Solving/Learning

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require 'zeus/rails'

class CucumberPlan < Zeus::Rails
  def cucumber_environment
    require 'cucumber/rspec/disable_option_parser'
    require 'cucumber/cli/main'
    @cucumber_runtime = Cucumber::Runtime.new
  end

  def cucumber(argv=ARGV)