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[color]
	branch = auto
	status = auto
	diff = auto
[alias]
	st = status
	ci = commit
	co = checkout
	br = branch
	tp = !rake test && git push

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class FalseClass
  def affirmative?
    false
  end
end

class NilClass
  def affirmative?
    false
  end

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class Widget < ActiveRecord::Base

  belongs_to :box
  
  has_many :categorizations
  has_many :categories, :through => :categorizations
  
  # Returns a sentence of all the categories.
  def category_names
    if categories.empty?

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Sass in Rails 3.1

http://speakerdeck.com/u/chriseppstein/p/sass-the-future-of-stylesheets-in-rails-31

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class Car

  # http://ruby-doc.org/docs/ProgrammingRuby/html/ref_c_object.html#Object.method_missing
  def method_missing(method, *args, &block)
    # don't do:
    method.gsub!("gasoline", "electricity")
    # also don't do:
    method = method.to_s
    # ...
    super

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  def unsubscribe
    # using base64 encoding in the url to prevent unsubscribe abuse
    @user = User.find_by_access_token(Base64.decode64(params[:token])) # find the user from the ID in url
    if @user.opt_out!
      redirect_to root_url, :notice => "We won't bug you with emails!"  # give them a little notice that it worked
    else
      render :text => "Could not find your access token, did you copy-paste the correct email from the unsubscribe?  Just email us at blah2blah.com"
    end
  end

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/*
  Based on: http://www.rapidtables.com/convert/color/rgb-to-cmyk.htm
*/

#include <stdio.h>
#include <math.h>

typedef struct RGB_t { unsigned char red, green, blue; } RGB;
typedef struct CMYK_t { unsigned char cyan, magenta, yellow, black; } CMYK;

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$ resumator_pipeline
Name: Johnny Appleseed    Applied: 2013-10-18 (2 days ago)   Last contact: 2013-10-20 (0 days ago) 
Name: Charles Quinn       Applied: 2013-10-17 (3 days ago)	 Last contact: 2013-10-18 (2 days ago) 
Active Applicants: 2
Longest in Pipeline: 3
Longest in Pipeline without contact: 2
Average Days in Pipeline: 2.5
Average Days in Pipeline without contact: 1.0
Standard Deviation: 1.0

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#!/bin/sh
# From: http://www.openremote.org/display/docs/OpenRemote+2.0+How+To+-+Control+Somfy+Sunshades+with+Raspberry+Pi

PIN=$1
/usr/local/bin/gpio mode $PIN out
/usr/local/bin/gpio write $PIN 1
sleep 0.1
/usr/local/bin/gpio write $PIN 0