arya

require 'rubygems'
require 'memcached'
def sleep_for(count)
  sleep((2**count) / 2.0)
  # sleep (1 / (count + 1).to_f) * 0.6
  # sleep [0.2, (rand / 3)].max
end
class Error < Exception; end
  
def acquire_lock(memcache, key, retries = 100)

arya

env_vars = "RAILS_ENV=production PATH=/sb/thehierarchy/ruby/bin:/sb/thehierarchye/nginx/sbin:$PATH RUBY_HEAP_MIN_SLOTS=500000 RUBY_HEAP_SLOTS_INCREMENT=250000 RUBY_HEAP_SLOTS_GROWTH_FACTOR=1 RUBY_GC_MALLOC_LIMIT=50000000"

RAILS_ROOT = "/var/www/apps/thehierarchy/current/"
Bluepill.application("thehierarchy") do |app|
  app.process("scheduled_notifications") do |process|
    process.group = "thehierarchy"
    process.pid_file = File.join(RAILS_ROOT, "tmp", "pids", "scheduled_notifications")
    process.daemonize = true
    process.start_command = "/usr/bin/env #{env_vars} rake --rakefile=#{RAILS_ROOT}/Rakefile app_name:scheduled_notifications"
    

arya

class RackProctitle
  def initialize(app, options = nil)
    @app = app
    @prefix = options.delete(:prefix) if options
    
    @revision = APPLICATION_VERSION if defined?(APPLICATION_VERSION)
    @mutex = Mutex.new
    @titles = []
    @request_threads = []
    @queue_length = 0

arya

#
# bash completion support for core Git.
#
# Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.
#
# The contained completion routines provide support for completing:
#
#    *) local and remote branch names

arya

# inject but doesn't need you to return the memo, uses the same object. Doesn't work with immutable (i.e. summing)
module Enumerable
  def inject_into(obj)
    each {|e| yield(obj, e)}
    obj
  end
end
 
a = [1,2,3].inject_into([]) do |m, e|
  m << (e + 1)

arya

# a maybe valid use-case of flip flops
begin
  puts "hi"
  raise Exception
rescue Exception => e
  retry if ((i ||= 1) == 1)..((i += 1) >= 2)
end

arya

#fails
class AnonymousFunction
  def initialize(&func)
    self.class.send(:define_method, :call, &func)
  end
end

blah = 1
s = AnonymousFunction.new do |blah|
  puts blah

arya

<div id="body">
  <div id="link_test">
    <a href="#should_not_show_up" id="the_link">Click Me</a>
  </div>
  
  <script type="text/javascript">
  function TestCase() {
    document.getElementById('link_test').addEventListener('click', function(){
      console.log('clicked from container');
      return false;

arya

def multi_choose(choices, size, index = 0, hax = Hash.new)
  return [] if index == choices.size
  hax[[size, index]] ||= begin
    base = [choices[index]] * size
    s = base
    multisets = [base]
    0.upto(size - 1) do |i|
      s = s.dup
      s.pop
      multi_choose(choices, i + 1, index + 1, hax).each {|s2| multisets << s + s2}

arya

# http://www.facebook.com/jobs_puzzles/index.php?puzzle_id=8
require 'set'
 
class Node
  @@nodes = Hash.new {|h, k| h[k] = Node.new(k)}
  class << self
    def find_clusters
      Node.solidify!
      clusters = []
      nodes.values.each do |n|