splattael

#!/bin/sh

# usage: $0 < hosts.txt
# line = ip name

while read line
do
  ip=$(echo $line | cut -f 1 -d ' ')
  hostname=$(echo $line | cut -f 2 -d ' ')
  echo "host: $hostname ($ip)"

splattael

# http://stefankst.net/2007/06/05/capture-standard-output-in-ruby/
def capture_stdout
   old_stdout = $stdout
   out = StringIO.new
   $stdout = out
   begin
      yield
   ensure
      $stdout = old_stdout
   end

splattael

require 'rubygems'
require 'ftools'
require 'rbench'

TMP_DIR = "/tmp"

FACTORS = {
  2   => 10 .. 20, # - 1048576 bytes
  3   =>  8 .. 13, # - 1594323 bytes
  5   =>  5 ..  9, # - 1953125 bytes

splattael

  # http://gist.github.com/49013
  #
  # assert_errors_on record, :email
  # assert_errors_on record, :email => 2
  # assert_errors_on record, :email => "is blank"
  # assert_errors_on record, :email => ["is blank", "is invalid"]
  # assert_errors_on record, :email, :plz => 2
  # assert_errors_on record, [:username, :email] => "is blank"
  def assert_errors_on(object, *attributes_or_hash)
    assert !object.valid?, "#{object.inspect} should be invalid."

splattael

# /usr/share/dict/ogerman
PI - AN 157  # pianist
PI - AN 0    # piano
PI - AN 0    # piano
PI - CA 550  # picasso
PI - CK 7    # pickt
PI - LL 3    # pille
PI - LO 7    # pilot
PI - L  5    # pils
PI - L  2    # pilz

splattael

Class.instance_methods(:include_super.false)
# => ["to_yaml", "allocate", "superclass", "new"]

Class.instance_methods(:include_super.true)
# => => ["inspect", "pretty_print_instance_variables", "private_class_method", "const_missing", ...

splattael

def with_rails_env(new_value)
  old = Object.send(:remove_const, 'RAILS_ENV')
  Object.const_set('RAILS_ENV', new_value)
  yield
ensure
  Object.send(:remove_const, 'RAILS_ENV')
  Object.const_set('RAILS_ENV', old)
end

splattael

memcache-client-1.7$ ruby test/test_benchmark.rb
Loaded suite test/test_benchmark
Started
Testing 1.7.1
                                     user     system      total        real
set:plain:memcache-client        3.350000   0.310000   3.660000 (  3.749737)
set:ruby:memcache-client         3.500000   0.280000   3.780000 (  3.881471)
get:plain:memcache-client        5.120000   0.430000   5.550000 (  5.811311)
get:ruby:memcache-client         5.200000   0.330000   5.530000 (  5.721424)
multiget:ruby:memcache-client    2.510000   0.130000   2.640000 (  2.732127)

splattael

navigation :hide => true do |nav|
  nav.start

  nav.home do |home|
    home.connect :user
    home.user # user_path

    home.user "/user"

splattael

#!/usr/bin/env ruby

ALPHA_TO_MORSE = DATA.readlines.map do |line|
  alpha, *morse = line.split(' ')
end.inject({}) do |hash, (key, *values)|
  hash[key] = values.join
  hash
end

ALPHA_TO_MORSE[" "] = "/"