* recommended that the caller does not persist a reference to the backing map (unless the backing
 * map is immutable).
 *
 * <p>This class is tailored toward use cases in common.graph. It is *NOT* a general purpose map.
 *
 * @author James Sexton
 */
class MapIteratorCache<K, V> {
  private final Map<K, V> backingMap;

  /*

/**
 * Hidden superclass of {@link Futures} that provides us a place to declare special GWT versions of
 * the {@link Futures#catching(ListenableFuture, Class, com.google.common.base.Function,
 * java.util.concurrent.Executor) Futures.catching} family of methods. Those versions have slightly
 * different signatures.
 */
@GwtCompatible
@J2ktIncompatible // Super-sourced

Sie sollten niemals Klartext-Passwörter speichern, daher verwenden wir ein (gefaktes) Passwort-Hashing-System.

Wenn die Passwörter nicht übereinstimmen, geben wir denselben Fehler zurück.

#### Passwort-Hashing { #password-hashing }

„Hashing“ bedeutet: Konvertieren eines Inhalts (in diesem Fall eines Passworts) in eine Folge von Bytes (ein schlichter String), die wie Kauderwelsch aussieht.

Let's put that data in the Pydantic `UserInDB` model first.

You should never save plaintext passwords, so, we'll use the (fake) password hashing system.

If the passwords don't match, we return the same error.

#### Password hashing { #password-hashing }

"Hashing" means: converting some content (a password in this case) into a sequence of bytes (just a string) that looks like gibberish.

Önce bu veriyi Pydantic `UserInDB` modeline koyalım.

Asla düz metin (plaintext) password kaydetmemelisiniz; bu yüzden (sahte) password hashing sistemini kullanacağız.

Password’ler eşleşmezse, aynı hatayı döndürürüz.

#### Password hashing { #password-hashing }

"Hashing" şudur: bir içeriği (bu örnekte password) anlaşılmaz görünen bayt dizisine (yani bir string’e) dönüştürmek.

## Server Machine and Server Program { #server-machine-and-server-program }

There's a small detail about names to keep in mind. 💡

The word "**server**" is commonly used to refer to both the remote/cloud computer (the physical or virtual machine) and also the program that is running on that machine (e.g. Uvicorn).

        if (testFileTree.isPresent() && mainFileTree.isPresent()) {
            return testFileTree.get().plus(mainFileTree.get()).matching(filter);
        } else if (mainFileTree.isPresent()) {
            return mainFileTree.get().matching(filter);
        } else if (testFileTree.isPresent()) {
            return testFileTree.get().matching(filter);
        }
        return null;
    }

    /**

  if (project.bwc_tests_enabled) {
    dependsOn tasks.matching { task -> BuildParams.bwcVersions.unreleased.any { version -> bwcTaskName(version) == task.name } }
  }
}

tasks.register("bwcTest") {
  description = 'Runs backwards compatibility tests.'
  group = 'verification'

  if (project.bwc_tests_enabled) {
    dependsOn tasks.matching { it.name ==~ /v[0-9\.]+#bwcTest/ }
  }
}

///

## Password hashing { #password-hashing }

"Hashing" means converting some content (a password in this case) into a sequence of bytes (just a string) that looks like gibberish.

Whenever you pass exactly the same content (exactly the same password) you get exactly the same gibberish.

But you cannot convert from the gibberish back to the password.

### Why use password hashing { #why-use-password-hashing }

 *   <li>an {@linkplain Thread#setUncaughtExceptionHandler uncaught exception handler}
 *   <li>a {@linkplain ThreadFactory#newThread backing thread factory}
 * </ul>
 *
 * <p>If no backing thread factory is provided, a default backing thread factory is used as if by
 * calling {@code setThreadFactory(}{@link Executors#defaultThreadFactory()}{@code )}.
 *