reu

class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || retrieve_connection
  end
end

ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection

reu

first: brew install highlight

second: add to your .zshrc (or .bashrc)

  function hlr {
    highlight --syntax ruby -k Menlo -K 20 -s edit-xcode $1 | pbcopy
  }

third: paste the highlighted code to your Keynote talk.

reu

require "socket"
socket = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
socket.bind(Socket.pack_sockaddr_in(3000, "localhost"))
socket.listen(1)
loop do
  connection = socket.accept[0]
  connection.gets.match /name=(.+) (.+)/
  connection.write "#{$2} 200 OK\nContent-Type: text/html\n\nHello #{$1}"
  connection.close
end

reu

# simple preforking echo server in Ruby
require "socket"

# Create a socket, bind it to localhost:2424, and start listening.
# Runs once in the parent. All forked children inherit the socket's
# file descriptor.
acceptor = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
address  = Socket.pack_sockaddr_in(4242, "localhost")
acceptor.bind(address)
acceptor.listen(10)

reu

module SugarScopes
  def like(query)
    relation = clone
    query.each do |column, value|
      relation = relation.where(arel_table[column].matches(value))
    end
    relation
  end

  def asc(column = :id)

reu

class User
  has_many :posts
end

class Post
  belongs_to :user
  has_many :comments

  def self.search(comment_description)
    joins(:comments).where(:comments => { :description => comment_description })

reu

class String
  def encrypt(options = {})
    crypt :encrypt, options
  end

  def decrypt(options = {})
    crypt :decrypt, options
  end

  private

reu

module AttrEncryptedRelation
  def self.included(base)
    base.class_eval do
      alias_method_chain :build_where, :attr_encrypted
    end
  end

  private

  def build_where_with_attr_encrypted(opts, other = [])

reu

root :to => "home#show",    :constraints => UserLoggedConstraint.new(false)
root :to => "profile#show", :constraints => UserLoggedConstraint.new(true)

reu

-A INPUT -i lo -j ACCEPT 
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -p udp -o eth0 --dport 53 --sport 1024:65535 -j ACCEPT
-A INPUT -p udp -i eth0 --sport 53 --dport 1024:65535 -j ACCEPT
-A OUTPUT -o eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p tcp -i eth0 --dport 22 --sport 1024:65535 -m state --state NEW -j ACCEPT
-A INPUT -p tcp -i eth0 --dport 80 --sport 1024:65535 -m state --state NEW -j ACCEPT
-A OUTPUT -j ACCEPT -m state --state NEW,ESTABLISHED,RELATED -o eth0 -p tcp -m multiport --dport 80,443 -m multiport --sport 1024:65535
-A INPUT -j ACCEPT -m state --state ESTABLISHED,RELATED -i eth0 -p tcp
-A INPUT -j DROP