## Lokal testen mit Traefik

Sie können das Experiment mit einem abgetrennten Pfadpräfix ganz einfach lokal ausführen, indem Sie <a href="https://docs.traefik.io/" class="external-link" target="_blank">Traefik</a> verwenden.

	ENFILE             = Errno(127)
	ENOATTR            = Errno(265)
	ENODEV             = Errno(128)
	ENOENT             = Errno(129)
	ENOEXEC            = Errno(130)
	ENOLCK             = Errno(131)
	ENOMEM             = Errno(132)
	ENOSPC             = Errno(133)
	ENOSYS             = Errno(134)
	ENOTDIR            = Errno(135)
	ENOTEMPTY          = Errno(136)
	ENOTTY             = Errno(137)

import java.util.NoSuchElementException;
import java.util.PriorityQueue;
import java.util.Queue;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A double-ended priority queue, which provides constant-time access to both its least element and
 * its greatest element, as determined by the queue's specified comparator. If no comparator is

        then:
        def executable = executable("build/exe/main/main")
        executable.exec().out == "Hello!"
        executable.assertDebugFileExists()
        // TODO - need to verify that the debug info ended up in the binary
    }

    @Requires(UnitTestPreconditions.CanInstallExecutable)
    @ToBeFixedForConfigurationCache
    def "can configure the binaries of a C++ library"() {
        given:

Dieses bestimmte reguläre Suchmuster prüft, ob der erhaltene Parameter-Wert:

* `^`: mit den nachfolgenden Zeichen startet, keine Zeichen davor hat.
* `fixedquery`: den exakten Text `fixedquery` hat.
* `$`: danach endet, keine weiteren Zeichen hat als `fixedquery`.

         * gets occasionally extended by newer Maven versions). This imposes the risk for existing plugins to
         * unintentionally use such a magic expression for an ordinary property. So here we check whether we
         * ended up with a magic value that is not compatible with the type of the configured mojo parameter (a string
         * could still be converted by the configurator so we leave those alone). If so, back off to evaluating the

        "The specified domain did not exist.",
        "The directory name is invalid.",
        "Access is denied.",
        "The format of the specified computer name is invalid.",
        "The pipe has been ended.",
        "The specified local group does not exist.",
        "Logon failure: the user has not been granted the requested logon type at this computer.",

			if flush {
				// If a Flush occurs after all the actual data, the flushing
				// semantics dictate that we will observe a (0, io.EOF) since
				// Read must return data before it knows that the stream ended.
				w.Flush()
				earlyEOF = false
			}
			w.Close()

			r := NewReader(&buf)
			for {
				n, err := r.Read(readBuf)
				if err == io.EOF {

import java.util.NoSuchElementException;
import java.util.PriorityQueue;
import java.util.Queue;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A double-ended priority queue, which provides constant-time access to both its least element and
 * its greatest element, as determined by the queue's specified comparator. If no comparator is

    Das ist keine Limitation von **FastAPI**, sondern Teil des HTTP-Protokolls.

## Optionaler Datei-Upload

Sie können eine Datei optional machen, indem Sie Standard-Typannotationen verwenden und den Defaultwert auf `None` setzen:

=== "Python 3.10+"

    ```Python hl_lines="9  17"
    {!> ../../../docs_src/request_files/tutorial001_02_an_py310.py!}
    ```