```

////

//// tab | Python 3.9+

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009_py39.py!}
```

////

//// tab | Python 3.9+ alternative

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009b_py39.py!}
```

////

#### Using `Union` or `Optional` { #using-union-or-optional }

        Doc(
            """
            Load and use Google Fonts.
            """
        ),
    ] = True,
) -> HTMLResponse:
    """
    Generate and return the HTML response that loads ReDoc for the alternative
    API docs (normally served at `/redoc`).

    You would only call this function yourself if you needed to override some parts,
    for example the URLs to use to load ReDoc's JavaScript and CSS.

 *
 * To perform server authentication:
 *
 *  * The server's handshake certificates must have a [held certificate][HeldCertificate] (a
 *    certificate and its private key). The certificate's subject alternative names must match the
 *    server's hostname. The server must also have is a (possibly-empty) chain of intermediate
 *    certificates to establish trust from a root certificate to the server's certificate. The root

La principale chose dont vous avez besoin pour exécuter une application **FastAPI** sur une machine serveur distante est un programme serveur ASGI tel que **Uvicorn**.

Il existe 3 principales alternatives :

* <a href="https://www.uvicorn.dev/" class="external-link" target="_blank">Uvicorn</a> : un serveur ASGI haute performance.

            try {
                ChannelInfo alternativeChannel = manager.getLoadBalancer().selectChannel(op);
                alternativeChannel.addPendingOperation(op);
                // Operation would be resent on alternative channel
                // For now, skip actual send implementation
            } catch (Exception e) {
                log.error("Failed to redistribute operation", e);

### Target language

Translate to German (Deutsch).

Language code: de.


### Definitions

"hyphen"
    The character «-»
    Unicode U+002D (HYPHEN-MINUS)
    Alternative names: hyphen, dash, minus sign

"dash"
    The character «–»
    Unicode U+2013 (EN DASH)
    German name: Halbgeviertstrich


### Grammar to use when talking to the reader

Use the formal grammar (use «Sie» instead of «Du»).

*[Fess Site Search](https://github.com/codelibs/fess-site-search)* est une alternative gratuite à [Google Site Search](https://enterprise.google.com/search/products/gss.html). Pour plus de détails, consultez la [documentation FSS JS Generator](https://fss-generator.codelibs.org/docs/manual).

## Site Web

 *
 * <ul>
 *   <li>The raw {@code long} values returned by {@code nanoTime} are meaningless and unsafe to use
 *       in any other way than how {@code Stopwatch} uses them.
 *   <li>An alternative source of nanosecond ticks can be substituted, for example for testing or
 *       performance reasons, without affecting most of your code.
 * </ul>
 *

*[Fess Site Search](https://github.com/codelibs/fess-site-search)* ist eine kostenlose Alternative zur [Google Site Search](https://enterprise.google.com/search/products/gss.html). Weitere Details finden Sie in der [Dokumentation des FSS JS Generators](https://fss-generator.codelibs.org/docs/manual).

## Website

{* ../../docs_src/events/tutorial003_py39.py hl[22] *}

## Альтернативные события (устаревшие) { #alternative-events-deprecated }

/// warning | Предупреждение