unnu

class LRUCache
  
  def initialize(size = 10)
    @size = size
    @store = {}
    @lru = []
  end
  
  def set(key, value = nil)
    value = yield if block_given?

unnu

class AppConfig
  instance_methods.each { |m| undef_method m unless m =~ /^__|is_a\?|empty?/ }
  
  def initialize
    @hash = Hash.new do |hash, key|
      hash[key] = AppConfig.new unless @finalized
    end
  end
  
  def method_missing(message, value = nil)

unnu

IDEA 1
(1..100).each {|i| puts [i,('foo' if i%3==0),('bar' if i%5==0)].join}

IDEA 2
(1..100).each {|i| puts "#{i}#{'foo' if i%3==0}#{'bar' if i%5==0}"}
(1..100).each{|i|puts"#{i}#{'foo'if i%3==0}#{'bar'if i%5==0}"} #shortened

unnu

def foo
  2.times do |i|
    puts yield
    puts "We will go here #{i}"
  end
end

foo do
  next "Next is the block's return"
  "Never returns this"

unnu

require 'stringio'

class Progress

  def initialize(show)
    @device = StringIO.new unless show
  end

  def device
    @device ||= $stdout

unnu

File Pattern:
!\.(log)|\.(sp?)|(/\.(?!htaccess)[^/]*|\.(tmproj|o|pyc)|/Icon\r|/svn-commit(\.[2-9])?\.tmp)$

Folder Pattern:
!.*/(\.[^/]*|CVS|_darcs|_MTN|\{arch\}|blib|db/data.*|.*~\.nib|.*\.(framework|app|pbproj|pbxproj|xcode(proj)?|bundle))$

unnu

if Rails.env.development?
  GROWL = Growl.new("127.0.0.1", "ruby-growl", ["ruby-growl Notification"])
  GROWL.class_eval do
    def log(object) 
      GROWL.notify "ruby-growl Notification", "AskWhat Debug", object.inspect
      Rails.logger.debug { object.inspect }
    end
  end
end

unnu

require 'java'

# setup executor
java_import 'java.util.concurrent.ThreadPoolExecutor'
java_import 'java.util.concurrent.TimeUnit'
java_import 'java.util.concurrent.LinkedBlockingQueue'
java_import 'java.util.concurrent.FutureTask'
java_import 'java.util.concurrent.Callable'

core_pool_size = 5

unnu

require 'rubygems'
require 'eventmachine'
require 'fiber'

class TcpReceiver < EM::Connection
  attr_accessor :blocker
  
  def initialize(receiver)
    @receiver = receiver
    super

unnu

class A
  def self.hello
    p 'hello'
  end

  def class
    (class << self; self; end)
  end
end