```Python hl_lines="6-7"
{!../../docs_src/query_params/tutorial005.py!}
```

Hier ist `needy` ein erforderlicher Query-Parameter vom Typ `str`.

Wenn Sie in Ihrem Browser eine URL wie:

```
http://127.0.0.1:8000/items/foo-item
```

... öffnen, ohne den benötigten Parameter `needy`, dann erhalten Sie einen Fehler wie den folgenden:

```JSON
{
  "detail": [
    {

	if err != nil {
		return nil, nil, err
	}

	pools := mustGetPoolEndpoints(0, fsDirs[:16]...)
	pools = append(pools, mustGetPoolEndpoints(1, fsDirs[16:]...)...)

	// Everything is fine, should return nil
	objLayer, err := newErasureServerPools(context.Background(), pools)
	if err != nil {
		return nil, nil, err
	}
	return objLayer, fsDirs, nil
}

func TestPoolMetaValidate(t *testing.T) {

}

// hashOrder - hashes input key to return consistent
// hashed integer slice. Returned integer order is salted
// with an input key. This results in consistent order.
// NOTE: collisions are fine, we are not looking for uniqueness
// in the slices returned.
func hashOrder(key string, cardinality int) []int {
	if cardinality <= 0 {
		// Returns an empty int slice for cardinality < 0.
		return nil
	}

 * total combined across the variables maintaining the sum.
 *
 * <p>This class is usually preferable to {@link AtomicLong} when multiple threads update a common
 * sum that is used for purposes such as collecting statistics, not for fine-grained synchronization
 * control. Under low update contention, the two classes have similar characteristics. But under
 * high contention, expected throughput of this class is significantly higher, at the expense of

              "To help optimizers, any class that inherits a package-private writeReplace() method"
                  + " should override that method.\n"
                  + "(An override that delegates to the supermethod is fine.)\n"
                  + "%s has no such override despite inheriting writeReplace() from %s",
              clazz.getName(), supersWithPackagePrivateWriteReplace.get().getName())
          .fail();
    }
  }

			go func(name string, fi fs.FileInfo, b []byte) {
				rc := disconnectReader{r: bytes.NewReader(b)}
				defer func() {
					rc.Close()
					<-asyncWriters
					wg.Done()
					//nolint:staticcheck // SA6002 we are fine with the tiny alloc
					poolBuf128k.Put(b)
				}()
				if err := putObject(&rc, fi, name); err != nil {
					if o.ignoreErrs {
						s3LogIf(ctx, err)
						return
					}
					asyncErrMu.Lock()

# TFCI env has been loaded. This is useful for e.g. on-demand "generic" jobs
# where the user may wish to change just one option.
if [[ -z "${TFCI:-}" ]]; then
  echo '==TFCI==: The $TFCI variable is not set. This is fine as long as you'
  echo 'already sourced a TFCI env file with "set -a; source <path>; set +a".'
  echo 'If you have not, you will see a lot of undefined variable errors.'
else
  FROM_ENV=$(mktemp)

	for _, configuredPodIPs := range addCmd.IPs {
		// net.ip is implicitly convertible to netip as slice
		ip, _ := netip.AddrFromSlice(configuredPodIPs.Address.IP)
		// We ignore the mask of the IPNet - it's fine if the IPNet defines
		// a block grant of addresses, we just need one for checking routes.
		podIps = append(podIps, ip.Unmap())
	}

			Parity: 4,
		},
	})

	nDisks := 16
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}

	defer removeRoots(fsDirs)

	// Everything is fine, should return nil
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, fsDirs...))
	if err != nil {
		t.Fatal(err)
	}

	setObjectLayer(objLayer)

	bucket := getRandomBucketName()

              "To help optimizers, any class that inherits a package-private writeReplace() method"
                  + " should override that method.\n"
                  + "(An override that delegates to the supermethod is fine.)\n"
                  + "%s has no such override despite inheriting writeReplace() from %s",
              clazz.getName(), supersWithPackagePrivateWriteReplace.get().getName())
          .fail();
    }
  }