internal val streams = mutableMapOf<Int, Http2Stream>()
  internal val connectionName: String = builder.connectionName
  internal var lastGoodStreamId = 0

  /** http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-5.1.1 */
  internal var nextStreamId = if (builder.client) 3 else 2

  private var isShutdown = false

  /** For scheduling everything asynchronous. */
  private val taskRunner = builder.taskRunner

   * whose keys and values are the result of applying the provided mapping functions to the input
   * elements.
   *
   * <p>For streams with defined encounter order (as defined in the Ordering section of the {@link
   * java.util.stream} Javadoc), that order is preserved, but entries are <a
   * href="ImmutableMultimap.html#iteration">grouped by key</a>.
   *
   * <p>Example:
   *
   * {@snippet :

    * **Cookie Sessions**
    * ...ve daha fazlası.

## Performans

    // places left to rotate.
    int m = -distance % length;
    m = (m < 0) ? m + length : m;
    // The current index of what will become the first element of the rotated section.
    int newFirstIndex = m + fromIndex;
    if (newFirstIndex == fromIndex) {
      return;
    }

    reverse(array, fromIndex, newFirstIndex);
    reverse(array, newFirstIndex, toIndex);

    // places left to rotate.
    int m = -distance % length;
    m = (m < 0) ? m + length : m;
    // The current index of what will become the first element of the rotated section.
    int newFirstIndex = m + fromIndex;
    if (newFirstIndex == fromIndex) {
      return;
    }

    reverse(array, fromIndex, newFirstIndex);
    reverse(array, newFirstIndex, toIndex);

    * HTTPX 및 `pytest`에 기반한 극히 쉬운 테스트
    * **CORS**
    * **쿠키 세션**
    * ...기타 등등.

## 성능

독립된 TechEmpower 벤치마크에서 Uvicorn에서 작동하는 FastAPI 어플리케이션이 <a href="https://www.techempower.com/benchmarks/#section=test&runid=7464e520-0dc2-473d-bd34-dbdfd7e85911&hw=ph&test=query&l=zijzen-7" class="external-link" target="_blank">사용 가능한 가장 빠른 프레임워크 중 하나</a>로 Starlette와 Uvicorn(FastAPI에서 내부적으로 사용)에만 밑돌고 있습니다. (*)

Một trong số đó là biến `PATH`.

/// tip

Bạn có thể tìm hiểu thêm về biến `PATH` trong [Biến môi trường](environment-variables.md#path-environment-variable){.internal-link target=_blank} section.

///

Kích hoạt môi trường ảo thêm đường dẫn `.venv/bin` (trên Linux và macOS) hoặc `.venv\Scripts` (trên Windows) vào biến `PATH`.

Giả sử rằng trước khi kích hoạt môi trường, biến `PATH` như sau:

   * whose keys and values are the result of applying the provided mapping functions to the input
   * elements.
   *
   * <p>For streams with defined encounter order (as defined in the Ordering section of the {@link
   * java.util.stream} Javadoc), that order is preserved, but entries are <a
   * href="ImmutableMultimap.html#iteration">grouped by key</a>.
   *
   * <p>Example:
   *
   * {@snippet :

### ¿Es la concurrencia mejor que el paralelismo?

¡No! Esa no es la moraleja de la historia.

```Python
async def get_database():
    with Session() as session:
        try:
            yield session
        except HTTPException:
            session.rollback()
            raise
        finally:
            session.close()
```