kke

Benchmark.bm do |x|
  hash = {:foo => "foo"}
  class Item
    def initialize
      @foo = "foo"
    end
    def foo
      @foo
    end
  end

kke

penis

kke

class User
  include Mongoid::Document

  [:street_address, :phone_number, :email_address].each do |f|                                                                         
    embeds_many f.to_s.pluralize.to_sym do                                                                                             
      def [](key)                                                                                                                      
        detect {|e| e.name.eql?(key.to_s)} || build(:name => key.to_s)                                                                 
      end                                                                                                                              
    end                                                                                                                                
    define_method f do                                                                                                                 

kke

class User
  include Mongoid::Document

  alias_method :name_orig, :name                                                                                                       
  def name                                                                                                                             
    class << self                                                                                                                      
      alias_method :name, :name_orig                                                                                                   
    end                                                                                                                                
    self[:name].nil? ? self[:name] = Name.new : self[:name]                                                                            
  end             

kke

require 'mechanize'

def get_ytj(bid)
  agent = Mechanize.new
  agent.user_agent = 'Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)'
  search_form = agent.get('http://www.ytj.fi/yrityshaku.aspx').form_with(:name => 'aspnetForm')
  search_form.field_with(:name => '_ctl0:ContentPlaceHolder:ytunnus').value = bid
  page = search_form.submit(search_form.button_with(:value => 'Hae yritykset')).link_with(:text => bid).click
  Hash[*page.search("//div[@id='detail-result']//table/tr").collect{|row| row.search('td')[0..1].collect{|cell| cell.inner_text.chomp.gsub(/^\s+/, "").gsub(/\s+$/, "")}}.flatten]
rescue

kke

require 'socket' # for gethostname                                                               
                                                                                
class LogId                                                                     
  @@hostname = Socket.gethostname                                               
  @@hostid = @@hostname.gsub('.', '').downcase.each_char.inject(""){|r,c| r += c.ord.to_s}.to_i
  @@hostid_short = @@hostname.gsub('.', '').downcase.each_char.inject(0){|r,c| r += c.ord}
                                                                                
  def self.get(*opts)  
    # opts = [:host] if opts.empty?   # modify defaults                                                       
    time = Time.now.usec.to_i                                                   

kke

require 'benchmark'

Benchmark.bm do |x|
  test = ["test", 1]
  x.report("   rescue") { 100000.times { test.collect{|x| x.strip! rescue nil} } }
  test = ["test", "test"]
  x.report("no rescue") { 100000.times { test.collect{|x| x.strip!} } }
  test = ["test", 1]
  x.report("  respond") { 100000.times { test.collect{|x| x.strip! if x.respond_to?(:strip!)} } }
end

kke

class Zuper
  def self.inherited(child)
    puts "Zuper says: #{child}"
  end
end

class KidOne < Zuper
end
# Zuper says: KidOne

kke

<% apples = Apple.find(:all) %>     # now apples = [apple1, apple2, apple3]
<ul>
<% apples.each do |item| %>        # take apples one by one, always calling the current apple "item"
  <li>id: <%= item.id %></li>      # item.id = id of the apple currently being processed
  <li>name: <%= item.name %></li>  # item.name = name of the apple currently being processed
  <li>price: <%= item.price %></li># item.price = price of apple currently being processed
<% end %>
</ul>

kke

def format_return(out_class)
  case out_class
  when UserParamsOut
    ...
  when Hash
    {:hello => "howdy"}
  else
    "helloes!"
  end
end