aberant

# this only works in 1.8
module People
  extend self

  def self.base
    Object
  end
end

aberant

class CurrencyParser
  def self.parse(currency)
    currency.gsub(/[$,]/,"").to_i
  end
end

CurrencyParser.parse("$40,000") #=> 40000

aberant

options = Spec::Runner::OptionParser.parse "spec/models/some_spec.rb", $stderr, $stdout
Spec::Runner::CommandLine.run(options)

aberant

require 'ripper'

aberant

[mysqld]
# keeps it from executing duplicate queries
query_cache_type = 1
query_cache_size = 16M

# give as much as you can to the buffer pool
innodb_buffer_pool_size = 1000M
innodb_additional_mem_pool_size = 200M

# helps speed up for lots of short write transactions

aberant

require 'ffi'

class MIDISysexSendRequest < FFI::Struct
  layout  :destination,         :pointer,
          :data,                :pointer,
          :bytes_to_send,       :uint32,
          :complete,            :int,
          :reserved,            [:char, 3],
          :completion_proc,     :pointer,
          :completion_ref_con,  :pointer

aberant

require 'ffi'

module C
  extend FFI::Library
  ffi_lib '/System/Library/Frameworks/CoreMIDI.framework/Versions/Current/CoreMIDI'
  attach_function :MIDIGetNumberOfDevices, [], :int
  attach_function :MIDIGetDevice, [:int], :pointer
  #                                             midi_obj, property_id, value_of_property
  attach_function :MIDIObjectGetStringProperty, [:pointer, :pointer, :pointer], :int
end

aberant

tree = ["A", "B", "C", ["D", "E", ["F", "G", "H"], "I"], "J"]

def emit( expression, accum )
  if expression.empty?
    accum += ")"
    return accum
  end
  accum = "(" if accum.empty?

  head, *tail = expression

aberant

number = 123456789

digits = (Math.log10(number) + 1).to_int
result = 0

digits.times do |i|
  reverse_digit_place = (digits - (i + 1))
  digit = number % 10
  result = result + (digit * (10 ** reverse_digit_place))
  number = number / 10

aberant

require 'quantity'

6.gallons + 5.quarts
# => 7.24999669784779 gallon 

(6.gallons + 5.quarts).to_liters
# => 0.02744421 liter

# this one might be off..
1.liter.to_gallons