API uygulamanızın *external API*'yi çağırdığı sırada gerçekleşen sürece "callback" denir. Çünkü dış geliştiricinin yazdığı yazılım API'nize bir request gönderir ve ardından API'niz geri çağrı yaparak (*call back*), bir *external API*'ye request gönderir (muhtemelen aynı geliştiricinin oluşturduğu).

   * input.
   */
  @VisibleForTesting static final double HASH_FLOODING_FPP = 0.001;

  /**
   * Maximum allowed length of a hash table bucket before falling back to a j.u.HashMap based
   * implementation. Experimentally determined.
   */
  @VisibleForTesting static final int MAX_HASH_BUCKET_LENGTH = 9;

  private final transient ImmutableEntry<E>[] entries;

    public boolean verifySignature(final byte[] buffer, final int i, final int size) {
        // observed too that signatures on error responses are sometimes wrong??
        // Looks like the failure case also is just reflecting back the signature we sent

        // with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)
        // make sure that validation is performed in any case

    ...
```

Python will have to compare the whole `stanleyjobso` in both `stanleyjobsox` and `stanleyjobson` before realizing that both strings are not the same. So it will take some extra microseconds to reply back "Incorrect username or password".

#### The time to answer helps the attackers { #the-time-to-answer-helps-the-attackers }

{* ../../docs_src/body_updates/tutorial001_py310.py hl[28:33] *}

`PUT` 用於接收應該取代現有資料的資料。

### 關於取代的警告 { #warning-about-replacing }

這表示，如果你想用 `PUT` 並在 body 中包含以下內容來更新項目 `bar`：

```Python
{
    "name": "Barz",
    "price": 3,
    "description": None,
}
```

由於這裡沒有包含已儲存的屬性 `"tax": 20.2`，輸入的模型會採用預設值 `"tax": 10.5`。

最終資料會以這個「新的」 `tax` 值 `10.5` 被儲存。

            <offlineLink>
              <url>https://javadoc.io/doc/com.google.j2objc/j2objc-annotations/latest/</url>

import javax.net.ssl.X509TrustManager
import okhttp3.internal.tls.CertificateChainCleaner

/**
 * Observes, modifies, and potentially short-circuits requests going out and the corresponding
 * responses coming back in. Typically interceptors add, remove, or transform headers on the request
 * or response.
 *
 * Implementations of this interface throw [IOException] to signal connectivity failures. This

            auth.setRealm("REALM.TEST");
            assertEquals("REALM.TEST", auth.getUserDomain());
        }

        @Test
        @DisplayName("getUserDomain: falls back to super domain when no realm/subject")
        void getUserDomain_fallbackToSuper() {
            Kerb5Authenticator auth = new Kerb5Authenticator(null, "DOM", "u", "p");

  id 'elasticsearch.build-tools'
  id 'elasticsearch.eclipse'
}

group = 'org.elasticsearch.gradle'

// we update the version property to reflect if we are building a snapshot or a release build
// we write this back out below to load it in the Build.java which will be shown in rest main action
// to indicate this being a snapshot build or a release build.

        if (result.getResultType() == TestResult.ResultType.FAILURE) {
            failedTests.add(Descriptor.of(testDescriptor));

            if (testDescriptor.getParent() != null) {
                // go back and fetch the reproduction line for this test failure
                Deque<String> lines = reproductionLines.get(Descriptor.of(testDescriptor.getParent()));
                if (lines != null) {