const blockSize = 8 << 10 // 8192

// By default at least 128 entries in single getdents call (1MiB buffer)
var (
	direntPool = sync.Pool{
		New: func() interface{} {
			buf := make([]byte, blockSize*128)
			return &buf
		},
	}

	direntNamePool = sync.Pool{
		New: func() interface{} {
			buf := make([]byte, blockSize)
			return &buf
		},
	}
)

    ...
```

/// info

如果您需要异步连接到关系数据库，请参阅[Async SQL (Relational) Databases](https://fastapi.tiangolo.com/zh/advanced/async-sql-databases/)

///

/// note | "Very Technical Details"

如果您很好奇并且拥有深厚的技术知识，您可以在[Async](https://fastapi.tiangolo.com/zh/async/#very-technical-details)文档中查看有关如何处理 `async def`于`def`差别的技术细节。

///

## 迁移

  ASSERT_TRUE(TF_GetCode(status) == TF_OK) << TF_Message(status);
  TF_DeleteFunction(fn);

  for (bool async : {false, true, false}) {
    TFE_Executor* old_executor = TFE_ContextGetExecutorForThread(ctx);
    TFE_Executor* executor = TFE_NewExecutor(
        /*is_async=*/async, /*enable_streaming_enqueue=*/true,
        /*in_flight_nodes_limit=*/0);
    TFE_ContextSetExecutorForThread(ctx, executor);

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package deadlineconn

import (
	"bufio"
	"io"
	"net"
	"sync"
	"testing"
	"time"
)

// Test deadlineconn handles read timeout properly by reading two messages beyond deadline.
func TestBuffConnReadTimeout(t *testing.T) {
	l, err := net.Listen("tcp", "localhost:0")

"  <div class=\"wistia-video\"> \n" +
"    <div class=\"wistia-player\"> \n" +
"      <script src=\"https://fast.wistia.com/embed/medias/$2.jsonp\" async></script> \n" +
"      <script src=\"https://fast.wistia.com/assets/external/E-v1.js\" async></script> \n" +
"        <div class=\"wistia_responsive_padding\" style=\"padding:55.94% 0 0 0;position:relative;\"> \n" +

import okhttp3.internal.connection.RealCall
import okhttp3.internal.connection.RealCall.AsyncCall
import okhttp3.internal.okHttpName
import okhttp3.internal.threadFactory

/**
 * Policy on when async requests are executed.
 *
 * Each dispatcher uses an [ExecutorService] to run calls internally. If you supply your own
 * executor, it should be able to run [the configured maximum][maxRequests] number of calls
 * concurrently.

from typing_extensions import Annotated

from .utils import needs_py310


def get_client():
    app = FastAPI()
    with pytest.warns(DeprecationWarning):

        @app.post("/items/")
        async def read_items(
            q: Annotated[str | None, Form(regex="^fixedquery$")] = None,
        ):
            if q:
                return f"Hello {q}"
            else:
                return "Hello World"

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"fmt"
	"sync"
	"sync/atomic"
	"time"

	"github.com/rcrowley/go-metrics"
)

//go:generate msgp -file $GOFILE

const (
	// beta is the weight used to calculate exponential moving average

          show_symbol_type_heading: true
          show_symbol_type_toc: true

nav:
- FastAPI: index.md
- features.md
- Learn:
  - learn/index.md
  - python-types.md
  - async.md
  - environment-variables.md
  - virtual-environments.md
  - Tutorial - User Guide:
    - tutorial/index.md
    - tutorial/first-steps.md
    - tutorial/path-params.md
    - tutorial/query-params.md

    * 対応フィールド名

２回目以降のインスタンス生成時には、作成済みの設定が再利用されます。

### Suggestリクエスト

```java
SuggestResponse response = suggester.suggest().setQuery("kensaku").execute().getResponse();
```

### Suggest async widh lambda

```
suggester.suggest().setQuery("kensaku").execute()
  .done(
    response -> {}
  ).error(
    t -> {}
  );
```

### サジェストドキュメントの登録

```java