littlemove

class ApplicationController < ActionController::Base
  helper :all

  before_filter :set_global

  before_filter :wadus, :except => [:index]
  
  def wadus
    @foo = "Oh my gosh!"
  end

littlemove

require 'rubygems'
require 'smusher'

out = `smusher ./`
out.lines.each do |line|
  line.gsub!("\n",'')
  if line.include?("smushing")
    system("git add #{line.gsub("smushing ",'')}")
  end  
end

littlemove

~$ irb
>> require 'open-uri'
=> true
>> foo = open("http://feeds.feedburner.com/walkaways")
=> #<StringIO:0xb7891c0c>
>> foo.each_line{ |l| puts l }
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet href="http://feeds.feedburner.com/~d/styles/rss2full.xsl" type="text/xsl" media="screen"?><?xml-stylesheet href="http://feeds.feedburner.com/~d/styles/itemcontent.css" type="text/css" media="screen"?><rss version="2.0"><channel>
[...]

littlemove

def what_changed(new)    
    attributes = Array.new
    for attr in self.attribute_names      
      attributes.push(attr) unless (self.send(attr) == new.send(attr))      
    end
    attributes
  end

littlemove

    “You can take a group of idiots that maybe even didn’t go to school, don’t understand computer science, don’t understand software development engineering techniques, hate each other, don’t understand the business domains, have lousy engineering tools and uniformly, they will produce CRAP every increment.“

Ken Schwaber - “Scrum et al.“@ Google Tech Talks
Talking about Waterfall Vs SCRUM Software Development Process

¿Qué es "Agil"?

     Individuals and interactions over processes and tools

     Working software over comprehensive documentation

littlemove

class Event

 has_many :attendings
  has_many :attendees, :through => :attendings, :source => :user do |id|
    # Esto es un poco oscuro pero se explica rápido: redefinimos el operador << para que
    # al insertar un usuario en un evento, si previamente ya se encontraba apuntado al mismo
    # se borre.
    def <<(user)
      attending = Attending.find_by_user_id_and_event_id(user.id, self.proxy_owner.id)
      attending.blank? ? Attending.create(:user_id => user.id, :event_id => self.proxy_owner.id) : attending.destroy

littlemove

module Categorizable

  def self.included(base)

    base.has_many :audience_scopes, :as => :audienciable
    base.has_many :audience_categories, :through => :audience_scopes

    base.has_many :areas, :through => :audience_scopes
    ...

littlemove

class NewsItem < ActiveRecord::Base
  
  ...

  acts_as_categorizable  

end

littlemove

class NewsItem < ActiveRecord::Base
  include Categorizable

  ...

  acts_as_categorizable
  
end

littlemove

module Categorizable

  def self.included(base)
    base.send :extend, ClassMethods
  end

  module ClassMethods

    def acts_as_categorizable
      has_many :audience_scopes, :as => :audienciable