import okio.FileSystem
import okio.ForwardingSink
import okio.ForwardingSource
import okio.Path
import okio.Path.Companion.toOkioPath
import okio.Sink
import okio.Source
import okio.buffer

/**
 * Caches HTTP and HTTPS responses to the filesystem so they may be reused, saving time and
 * bandwidth.
 *
 * The Cache instance must have exclusive access to the [directory], since the internal data structures

  public void testSetIndirectSelf_toString() {
    SettableFuture<Object> orig = SettableFuture.create();
    // unlike the above this indirection defeats the trivial cycle detection and causes a SOE
    orig.setFuture(
        new ForwardingListenableFuture<Object>() {
          @Override
          protected ListenableFuture<Object> delegate() {
            return orig;
          }

                 * be cached and cause other types to fail even though they may
                 * not be the authority for the name. For example, if a WINS lookup
                 * for FOO fails and caches unknownAddress for FOO, a subsequent
                 * lookup for FOO using BCAST should not fail because of that
                 * name cached from WINS.
                 *

this._element)\n    }\n\n    this._clearInterval()\n  }\n\n  cycle() {\n    this._clearInterval()\n    this._updateInterval()\n\n    this._interval = setInterval(() => this.nextWhenVisible(), this._config.interval)\n  }\n\n  _maybeEnableCycle() {\n    if (!this._config.ride) {\n      return\n    }\n\n    if (this._isSliding) {\n      EventHandler.one(this._element, EVENT_SLID, () => this.cycle())\n      return\n    }\n\n    this.cycle()\n  }\n\n  to(index) {\n    const items = this._getItems()\n...

```Dockerfile
# ⛔️ À ne pas faire
CMD fastapi run app/main.py --port 80
```

Assurez-vous d'utiliser toujours la forme **exec** pour garantir que FastAPI peut s'arrêter proprement et que les [événements de cycle de vie](../advanced/events.md) sont déclenchés.

Vous pouvez en lire davantage dans la [documentation Docker sur les formes shell et exec](https://docs.docker.com/reference/dockerfile/#shell-and-exec-form).

	name := fromPath
	if canonical, ok := w.importMap[fromDir][fromPath]; ok {
		name = canonical
	}

	pkg := w.imported[name]
	if pkg != nil {
		if pkg == &importing {
			log.Fatalf("cycle importing package %q", name)
		}
		return pkg, nil
	}
	w.imported[name] = &importing

	// Determine package files.
	dir := w.importDir[name]
	if dir == "" {

/// note | Nota

Django REST Framework fue creado por Tom Christie. El mismo creador de Starlette y Uvicorn, en los cuales **FastAPI** está basado.

///

/// check | Inspiró a **FastAPI** a

Tener una interfaz de usuario web de documentación automática de APIs.

///

### [Flask](https://flask.palletsprojects.com) { #flask }

	// were changes to the in-memory cache we should wait for the next
	// cycle until we can safely update the in-memory cache.
	//
	// An in-memory cache must be replaced only if we know for sure that the
	// values loaded from disk are not stale. They might be stale if the
	// cached.updatedAt is more recent than the refresh cycle began.
	if cache.updatedAt.Before(loadedAt) || firstTime {

// is initialized (either locally or remotely). The context_id can change during
// the process lifetime although this should cause the worker to be
// reinitialized (e.g. cleared caches) as well.
TF_CAPI_EXPORT extern uint64_t TFE_GetContextId(TFE_Context* ctx);

// -----------------------------------------------------------------------------
// Cancellation APIs.

### Nous faisons des erreurs { #we-make-mistakes }

Nous, humains, faisons des **erreurs**, tout le temps. Les logiciels ont presque *toujours* des **bugs** cachés à différents endroits. 🐛