cyrille

require "serialport"

#params for serial port
port_str = "/dev/ttyUSB0"  #may be different for you
baud_rate = 9600
data_bits = 8
stop_bits = 1
parity = SerialPort::NONE

#@sp = SerialPort.new("/dev/ttyUSB0", 9600, 8, 1, SerialPort::NONE)

cyrille

# encoding : utf-8
class Numeric
  def to_rad
    self.to_f / 180.0 * Math::PI
  end

  def to_deg
    self.to_f * 180.0 / Math::PI
  end
end

cyrille

rake routes | sed -e "1d" -e "s,^[^/]*,,g" | awk '{print $1}' | uniq | sort

Source: http://trevmex.com/post/3822870892/rails-one-liner-to-get-urls-from-rake-routes