dmnk89

https://support.brother.com/g/b/manualtop.aspx?c=us&lang=en&prod=p710bteus
https://stackoverflow.com/questions/55398308/virtual-esc-pos-printer
https://www.brother-usa.com/products/ptp710bt#
https://developerprogram.brother-usa.com/
https://www.youtube.com/watch?v=5tGvXEmaJx8
https://www.brother.co.jp/eng/dev/index.aspx#model
https://support.brother.com/g/b/manualtop.aspx?c=us&lang=en&prod=lpql700eus - potencjalnie tańsza drukareczka
https://github.com/ka2n/ptouchgo/blob/4d620fb30196322ca1318e6de8efa55b0cf5657f/ptouch.go - stałe z p710BT w go

dmnk89

	@GetMapping("/{id}/attachments/{filename:.+}")
	public FileSystemResource getFile(
			@PathVariable("id") Long id,
			@PathVariable("filename") String filename,
			HttpServletResponse response
	) throws IOException {
		response.setHeader("Content-Disposition", "attachment; filename=" + filename);
		response.setHeader("Content-Type", "application/octet-stream");
		return new FileSystemResource(service.getFile(id, filename));
	}

dmnk89

{

    "threadName": "http-nio-8080-exec-8",
    "threadId": 38,
    "blockedTime": -1,
    "blockedCount": 2,
    "waitedTime": -1,
    "waitedCount": 19,
    "lockName": "java.util.concurrent.CountDownLatch$Sync@48ed118d",

dmnk89

package pl.japila.scalania.s99

object S99_P17 {
  def split[T](n: Int, ts: Seq[T]): (Seq[T], Seq[T]) = {

    def go(left: Seq[T], right: Seq[T], n: Int): (Seq[T], Seq[T]) = right match {
      case Nil => (left, right)
      case h :: tail if n > 0 => go(left :+ h, tail, n - 1)
      case _ => (left, right)
    }

dmnk89

  def randomSelect[T](n: Int, ts: Seq[T]): Seq[T] =
    (0 until n).foldLeft( Seq[T]() )((r, _) => (r :+ ts(Random.nextInt(ts.size))))

dmnk89

object S99_P18 {
  def slice[T](from: Int, to: Int, ts: Seq[T]): Seq[T] = ts.drop(from).take(to - from)
}

dmnk89

object S99_P17 {
  def split[T](n: Int, ts: Seq[T]): (Seq[T], Seq[T]) = ts.splitAt(n)

}