trek

def show
  @note = Note.find(:where => 'id = 1')
rescue NotFound
  redirect_to 'not_found', :status => 404
rescue NoDatabase
  logger.error('the db died again, shit')
  redirect_to 'apology', :status => 500
end

trek

def show
  @note = Note.find(:where => 'id = 1')
rescue NotFound
  redirect_to 'not_found', :status => 404
rescue NoDatabase
  logger.error('the db died again, shit')
  redirect_to 'apology', :status => 500
end

trek

class Economy
  def slowing?
   self.value.today < self.value.yesterday
  end
 
  def slow_by(amount)
    self.value -= amount
  end
end

trek

class Foo(object):
  def __init__(self,arg):
    """docstring for __init__"""
    self.arg = arg
    
  def dec(fn):
    def wrapper(*args):
      # args[0] is self. Lame
      args[0].arg = 'not what you thought, huh?'
      return fn(*args)

trek

class Thingie
  attr_accessor :element
  def initialize(element)
    self.element = Element.new(element)
    
    # with a block
    self.element.respond_to :click do
      self.element.hide
      ... other stuff ...
    end

trek

class PhotoBox
  attr_accessor :element, :images
  def initialize(element)
    # associate an element with this object
    self.element = Element.new(element)
    
    # give it a class
    self.element.add_class('active')
    
    # find subelemts and store them

trek

Customer < ActiveRecord::Base
  before_destroy :log_deletion, :email_admin
  
  private
    def log_deletion
     logger.info("customer id:#{self.id} was just deleted")
    end
    
    def email_admin
      ...

trek

class Conference
  has_many :attendees, :class_name => 'Person', :through => :attendance
  
  def Conference.next_upcoming
    self.find!(:first, :conditions => ['starting_at > ? and visibile = ?' Time.now, true])
  rescue RecordNotFound
    self.most_recent
  end
  
  def most_recent

trek

def search(v,a)
  return if a.empty?
  if a.pop == v
    return search(v,a) + 1 rescue 1
  else
    return search(v,a) + 0 rescue 0
  end
end

search(1,[1,2,3,4,3,4,4,4,1,1,4])

trek

require 'redshift'
class PhotoBucket
  def initialize(element)
    @element = element
    @req = Request.new
    @req.upon(:request)  { self.show_loader }
    @req.upon(:success)  { self.hide_loader }
    @req.upon(:response) { self.load_photos }
    
    self.load_initial_photos