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require 'action_dispatch/middleware/stack'

class BaseMiddleware
  def initialize(stack)
    @stack = stack
  end

  def call(data)
    processed = process(data)
    @stack.call(processed)

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function Tile() {
  let origin = 0b00000000;

  let weightBitMask = 0b1111;
  let colorBitMask = 0b11;
  let typeBitMask = 0b11;

  this.setType = function(value) {
    value &= typeBitMask;
    origin &= ~typeBitMask;

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require 'active_support/callbacks'

class Example
  include ActiveSupport::Callbacks

  define_callbacks :action

  def do
    run_callbacks :action do
      puts "Run :action callback!"

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Latency Comparison Numbers
--------------------------
L1 cache reference                            0.5 ns
Branch mispredict                             5   ns
L2 cache reference                            7   ns             14x L1 cache
Mutex lock/unlock                            25   ns
Main memory reference                       100   ns             20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy              3,000   ns
Send 1K bytes over 1 Gbps network        10,000   ns    0.01 ms
Read 4K randomly from SSD*              150,000   ns    0.15 ms

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sudo /Developer/Library/uninstall-devtools -mode=all

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# Install libxml2 using Homebrew
# If you don't have Homebrew, follow the instructions at:
# https://github.com/mxcl/homebrew/wiki/Installation
# -------------------------------------------------------
brew install libxml2

# Install libxslt from source code
# If you don't have wget, follow the instructions at:
# http://www.mactricksandtips.com/2008/07/installing-wget-on-your-mac-for-terminal.html
# Or use Homebrew:

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# Clone rbenv into ~/.rbenv
git clone git@github.com:sstephenson/rbenv.git ~/.rbenv

# Add rbenv to your PATH
# NOTE: rbenv is *NOT* compatible with rvm, so you'll need to 
# remove rvm from your profile if it's present. (This is because
# rvm overrides the `gem` command.)
echo 'export PATH="$HOME/.rbenv/bin:$HOME/.rbenv/shims:$PATH"' >> ~/.bash_profile
exec $SHELL

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require 'formula'

class Mpd < Formula
  homepage 'http://mpd.wikia.com'
  url 'http://sourceforge.net/projects/musicpd/files/mpd/0.17.1/mpd-0.17.1.tar.bz2'
  sha1 '11da36217d57d08010f309977a4a77cce6240f77'

  head 'git://git.musicpd.org/master/mpd.git'

  option 'lastfm', 'Compile with experimental support for Last.fm radio'