for (int j = 0; j < NUM_THREADS; j++) {
        @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
        Future<?> possiblyIgnoredError = executorService.submit(addTask);
      }
      @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
      Future<?> possiblyIgnoredError = executorService.submit(executeTask);

## Pydantic `Settings`

Fortunately, Pydantic provides a great utility to handle these settings coming from environment variables with <a href="https://docs.pydantic.dev/latest/concepts/pydantic_settings/" class="external-link" target="_blank">Pydantic: Settings management</a>.

### Install `pydantic-settings`

これをサポートするためにPydantic自体にもいくつかの変更がありました。

上記のスクリーンショットは<a href="https://code.visualstudio.com" class="external-link" target="_blank">Visual Studio Code</a>を撮ったものです。

しかし、<a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a>やほとんどのPythonエディタでも同様なエディターサポートを受けられます:

<img src="/img/tutorial/body/image05.png">

/// tip | "豆知識"

`status_code`パラメータはHTTPステータスコードを含む数値を受け取ります。

/// info | "情報"

`status_code`は代わりに、Pythonの<a href="https://docs.python.org/3/library/http.html#http.HTTPStatus" class="external-link" target="_blank">`http.HTTPStatus`</a>のように、`IntEnum`を受け取ることもできます。

///

これは:

* レスポンスでステータスコードを返します。
* OpenAPIスキーマ（およびユーザーインターフェース）に以下のように文書化します:

<img src="https://fastapi.tiangolo.com/img/tutorial/response-status-code/image01.png">

/// note | "備考"

Não é muito popular ou usado nos dias atuais.

OAuth2 não especifica como criptografar a comunicação, ele espera que você tenha sua aplicação em um servidor HTTPS.

/// tip | "Dica"

Na seção sobre **deployment** você irá ver como configurar HTTPS de modo gratuito, usando Traefik e Let’s Encrypt.

///

## OpenID Connect

OpenID Connect é outra especificação, baseada em **OAuth2**.

			}

			if opts.NoDelay {
				_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, unix.TCP_NODELAY, 1)
				_ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_CORK, 0)
			}

			// Enable TCP open
			// https://lwn.net/Articles/508865/ - 32k queue size.
			_ = syscall.SetsockoptInt(fd, syscall.SOL_TCP, unix.TCP_FASTOPEN, 32*1024)

			// Enable TCP fast connect
			// TCPFastOpenConnect sets the underlying socket to use

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.1.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.1.0 https://maven.apache.org/xsd/maven-4.1.0.xsd">
    <modelVersion>4.1.0</modelVersion>

    <groupId>org.junit</groupId>
    <artifactId>bom</artifactId>
    <version>0.1</version>
    <packaging>pom</packaging>

    <dependencyManagement>

  /*
   * Ideally, this class would have exposed only constructors that require a non-null cause. See
   * https://github.com/jspecify/jspecify-reference-checker/blob/61aafa4ae52594830cfc2d61c8b113009dbdb045/src/main/java/com/google/jspecify/nullness/NullSpecTransfer.java#L789
   * and https://github.com/jspecify/jspecify/issues/490.
   *

# 测试 WebSockets

测试 WebSockets 也使用 `TestClient`。

为此，要在 `with` 语句中使用 `TestClient` 连接 WebSocket。

```Python hl_lines="27-31"
{!../../docs_src/app_testing/tutorial002.py!}
```

/// note | "笔记"

更多细节详见 <a href="https://www.starlette.io/testclient/#testing-websocket-sessions" class="external-link" target="_blank">Starlette 官档 - 测试 WebSockets</a>。

# Contribution guidelines

So you want to hack on Istio? Yay! Please refer to Istio's overall
[contribution guidelines](https://github.com/istio/community/blob/master/CONTRIBUTING.md)