mostlyobvious

#!/bin/bash
#
# default debian install does not have sudo, 
# run as root

apt-get -q -y install lsb-release
echo "deb http://apt.opscode.com/ `lsb_release -cs`-0.10 main" | tee /etc/apt/sources.list.d/opscode.list
wget -qO - http://apt.opscode.com/[email protected] | apt-key add -
apt-get update
apt-get -q -y install chef

mostlyobvious

*** glibc detected *** thin server (127.0.0.1:3000): double free or corruption (out): 0x00002aaab42ad350 ***
======= Backtrace: =========
/lib/libc.so.6[0x2ba1f4ce69a8]
/lib/libc.so.6(cfree+0x76)[0x2ba1f4ce8ab6]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9(onig_free_body+0x16)[0x2ba1f3e53586]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9(onig_free+0xe)[0x2ba1f3e536de]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9(rb_reg_search+0x469)[0x2ba1f3e50f59]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9[0x2ba1f3e90673]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9[0x2ba1f3edf3c7]
/usr/local/rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9[0x2ba1f3ed3419]

mostlyobvious

#!/usr/bin/env ruby
# encoding: utf-8
$:<< '../lib' << 'lib'

require 'goliath'

# Our custom Goliath API
class HelloWorld < Goliath::API
  def response(env)
    [200, {}, "hello world!"]

mostlyobvious

#!/usr/bin/env ruby
# encoding: utf-8
$:<< '../lib' << 'lib'

require 'goliath'

# Our custom Goliath API
class HelloWorld < Goliath::API
  def response(env)
    [200, {}, "hello world!"]

mostlyobvious

ab -n 10000 -c 100 http://localhost:8000

eventmachine:

  Requests per second:    2495.36 [#/sec] (mean)
  Time per request:       40.074 [ms] (mean)


node.js:

mostlyobvious

# gem install eventmachine eventmachine_httpserver

require 'eventmachine'
require 'evma_httpserver'

module HttpServer
  include EM::HttpServer

  def process_http_request
    response = EM::DelegatedHttpResponse.new(self)

mostlyobvious

require 'eventmachine'
require 'logger'

class LoggedConnection < EM::Connection
  attr_accessor :logger

  def initialize(*args)
    self.logger = args.pop[:logger]
    super
  end

mostlyobvious

module ABC
  extend self

  def abc
    "abc"
  end
end

puts ABC.abc

mostlyobvious

/etc/init.d/xvfb start
DISPLAY=:99.0 rake spec
/etc/init.d/xvfb stop

mostlyobvious

require 'socket'
require 'dm-core'
require 'fastercsv'


WRITE_SHUTDOWN = 1

module DataMapper
  module Adapters
    class LqlAdapter < AbstractAdapter