leaniman

  def self.print_hash(hash, level)
    hash.each do |k,v|
      text = "#{"--"*level} #{k} (#{v.class})"
      if v.is_a?(Hash)
        p text
        print_hash(v, (level+1))
      else
        p "#{text} => #{v}"
      end
    end

leaniman

En el application_controller.rb:

  def render_to_fancybox(options)
    html = render_to_string(options).to_json
    render :update do |page|
        page << "$.fancybox(#{html});"
    end
  end

En cualquier controlador: