// (respectively, time of last access and time of last modification; see inode(7))
// do not require flushing because they are not necessary for a subsequent data
// read to be handled correctly. On the other hand, a change to the file size
// (st_size, as made by say ftruncate(2)), would require a metadata flush.
//
// The aim of fdatasync() is to reduce disk activity for applications that
// do not require all metadata to be synchronized with the disk.

   * Double#NEGATIVE_INFINITY}, or {@link Double#NaN}) then the result is {@link Double#NaN}.
   *
   * @throws IllegalStateException if the dataset is empty or contains a single value
   */
  public final double sampleVariance() {
    checkState(count > 1);
    if (isNaN(sumOfSquaresOfDeltas)) {
      return NaN;
    }
    return ensureNonNegative(sumOfSquaresOfDeltas) / (count - 1);

*/}} {{- define "minio.imagePullSecrets" -}} {{/* Helm 2.11 supports the assignment of a value to a variable defined in a different scope, but Helm 2.9 and 2.10 does not support it, so we need to implement this if-else logic. Also, we can not use a single if because lazy evaluation is not an option */}} {{- if .Values.global }} {{- if .Values.global.imagePullSecrets }} imagePullSecrets: {{- range .Values.global.imagePullSecrets }} - name: {{ . }} {{- end }} {{- else if .Values.imagePullSecrets }} imagePullSecrets:...

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### ReDoc API 文件

使用瀏覽器開啟 <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>。

你將看到 ReDoc 文件 (由 <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank">ReDoc</a> 生成)：

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## 範例升級

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### Documentação Alternativa da API { #alternative-api-docs }

E agora, vá para <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.

     * @param description The description of the exception.
     */
    public ChildUrlsException(final Set<RequestData> childUrlList, final String description) {
        super("Threw child urls(" + childUrlList.size() + "). " + description, false, false);
        this.childUrlList = childUrlList;
    }

    /**
     * Returns the list of child URLs.
     * @return The list of child URLs.
     */

 * <strong>Performance</strong>).
 *
 * <p><strong>Cycle Detection</strong>
 *
 * <p>Deadlocks can arise when locks are acquired in an order that forms a cycle. In a simple
 * example involving two locks and two threads, deadlock occurs when one thread acquires Lock A, and
 * then Lock B, while another thread acquires Lock B, and then Lock A:
 *
 * <pre>

    assertEquals(5, runnable.count);
    assertEquals(0, delegate.getQueue().size());

    runnable = new ThrowingRunnable(5, ex);
    future = service.scheduleWithFixedDelay(runnable, 1, 1, MILLISECONDS);
    assertExecutionException(future, ex);
    assertEquals(5, runnable.count);
    assertEquals(0, delegate.getQueue().size());
  }

  public void testListeningDecorator_cancelled() throws Exception {

        assertNotNull(projects);
        assertTrue(
                projects.isEmpty(),
                "Expected collection to be empty but had " + projects.size() + " elements: " + projects);
    }

    return requireNonNull(DEST_TL.get());
  }

  /**
   * A thread-local destination buffer to keep us from creating new buffers. The starting size is
   * 1024 characters. If we grow past this we don't put it back in the threadlocal, we just keep
   * going and grow as needed.
   */
  private static final ThreadLocal<char[]> DEST_TL =
      new ThreadLocal<char[]>() {