{* ../../docs_src/dependencies/tutorial011_an_py39.py hl[22] *}

/// tip

All this might seem contrived. And it might not be very clear how is it useful yet.

These examples are intentionally simple, but show how it all works.

In the chapters about security, there are utility functions that are implemented in this same way.

	bp.Put(make([]byte, bp.w, bp.wcap-1)) // wrong capacity is rejected (less)
	bp.Put(make([]byte, bp.w, bp.wcap+1)) // wrong capacity is rejected (more)
	bp.Put(make([]byte, width))           // wrong capacity is rejected (very less)
	if len(bp.c) > 0 {
		t.Fatal("bytepool should have rejected invalid packets")
	}

	// Try putting a short slice into pool
	bp.Put(make([]byte, bp.w, bp.wcap)[:2])
	if len(bp.c) != 1 {

* <abbr title="aussi connu sous le nom de : serialization, parsing, marshalling">Une conversion</abbr> des données d'entrée : venant du réseau et allant vers les données et types de Python, permettant de lire :
    * le <abbr title="JavaScript Object Notation">JSON</abbr>.
    * <abbr title="en anglais : path parameters">les paramètres du chemin</abbr>.

</details>

### Verifique { #check-it }

Abra seu navegador em <a href="http://127.0.0.1:8000/items/5?q=somequery" class="external-link" target="_blank">http://127.0.0.1:8000/items/5?q=somequery</a>.

Você verá a resposta JSON como:

```JSON
{"item_id": 5, "q": "somequery"}
```

Você acabou de criar uma API que:

* Recebe requisições HTTP nas _rotas_ `/` e `/items/{item_id}`.

 * that subsequent call is right for the resident instance (ie no env change or different extension needed).
 * This implementation "pre-populates" MavenContext with pre-existing stuff (except for very first call)
 * and does not let DI container to be closed.
 */
public class ResidentMavenInvoker extends MavenInvoker {

    private final ConcurrentHashMap<String, MavenContext> residentContext;

    }

    public void kotlinDslReference(Action<? super KotlinDslReference> action) {
        action.execute(kotlinDslReference);
    }

    /**
     * This property is wired into very slow documentation generation tasks.
     *
     * Passing -PquickDocs will disable slow documentation tasks.
     *
     */
    public abstract Property<Boolean> getQuickFeedback();

 *
 * @author Sven Mawson
 * @since 15.0
 */
@GwtCompatible
public final class CharEscaperBuilder {
  /**
   * Simple decorator that turns an array of replacement char[]s into a CharEscaper, this results in
   * a very fast escape method.
   */
  private static final class CharArrayDecorator extends CharEscaper {
    private final char[] @Nullable [] replacements;
    private final int replaceLength;

//
//go:build linux

package bytes_test

import (
	. "bytes"
	"syscall"
	"testing"
)

// This file tests the situation where byte operations are checking
// data very near to a page boundary. We want to make sure those
// operations do not read across the boundary and cause a page
// fault where they shouldn't.

// These tests run only on linux. The code being tested is

///

## Returning a custom `Response` { #returning-a-custom-response }

The example above shows all the parts you need, but it's not very useful yet, as you could have just returned the `item` directly, and **FastAPI** would put it in a `JSONResponse` for you, converting it to a `dict`, etc. All that by default.

  is the DefaultExpressionEvaluator, which is a local variable within the
  implementation of the BasicComponentConfigurator. This ExpressionEvaluator
  simply returns the expression itself as the resolved value, which adds
  very little value to the container. Things like ${project.build.resources}
  are not resolved, and result in a type mismatch for the member injection.

  We need a replacement for DefaultExpressionEvaluator that is capable of