code: def usb_code_for_current_locale
        @usb_code_for_current_locale ||=
            begin
              locale = I18n.locale
              if locale
                locale = locale.to_s.partition('.')[0]  # remove encoding
                result = HIDAPI::Language.get_by_code(locale)
                unless result
                  locale = locale.partition('_')[0]     # chop off extra specification
                  result = HIDAPI::Language.get_by_code(locale)
                end
                result ? result[:usb_code] : 0
              else
                0
              end
            end
      end
docs: Gets the USB code for the current locale.