morkevicius

class Time
  # See http://msdn.microsoft.com/en-us/library/system.datetime.ticks.aspx
  # https://gist.github.com/chancancode/2830878 
  TICKS_SINCE_EPOCH = -(Time.utc(0001, 01, 01).to_i * 10000000)

  def to_ticks
    utc.to_i * 10000000 + TICKS_SINCE_EPOCH # ruby 1.8.7 doesn't support nano seconds so we're ok without it
    # to_i * 10000000 + nsec / 100 - TICKS_SINCE_EPOCH
    # <seconds from 1970-01-01 multiplied by 10 000 000> result is ticks + <self nsec which by default would be skipped>/100 result is ticks + ticks from 0001-01-01
  end