jarib

module A
  class B
  end
  
  class Object < B
  end
end

jarib

>> require 'socket'
=> true
>> TCPServer.new "localhost", 5000
=> #<TCPServer:0x100568370>
>> TCPServer.new "localhost", 5000
=> #<TCPServer:0x100530970>
>> TCPServer.new "localhost", 5000
=> #<TCPServer:0x10050e5c8>
>> TCPServer.new "localhost", 5000
Errno::EADDRINUSE: Address already in use - bind(2)

jarib

>> s = []; i = 0; loop { s << TCPServer.new("localhost", 5000); p i+=1 }
1
2
3
Errno::EADDRINUSE: Address already in use - bind(2)
	from (irb):3:in `initialize'
	from (irb):3:in `new'
	from (irb):3
	from (irb):3:in `loop'
	from (irb):3

jarib

$ cat bug.rb 
require "socket"

s, i = [], 0

loop do
   s << TCPServer.new("localhost", 5000)
   p i += 1
   sleep 1 
end

jarib

$ cat bug.rb 
require "socket"

s, i = [], 0

loop do
   s << TCPServer.new("localhost", 5000)
   p i += 1
   sleep 1 
end

jarib

$ cat bug.rb 
require "socket"

loop do
   s = TCPServer.new("localhost", 5000)
   p s => Socket.unpack_sockaddr_in(s.getsockname)
end

$ ruby bug.rb 
{#<TCPServer:0x100154950>=>[5000, "::1"]}

jarib

#!/usr/bin/env ruby
require "rubygems"
require "selenium-webdriver"

module Wait
  extend self
  
  def until(timeout = 10)
    end_time = Time.now + timeout
    

jarib

$ echo "æåø" > test.txt
$ file test.txt
test.txt: UTF-8 Unicode text
$ echo "æåø" |iconv -t iso-8859-1 >> test.txt
$ file test.txt                               
test.txt: ISO-8859 text
$ cat test.txt
æåø
???
$ 

jarib

require "rubygems"
require "selenium-webdriver"

d = Selenium::WebDriver.for :firefox
d.get "http://google.com"
p d.find_element(:css => 'div')
d.quit

jarib

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