/** The key of the message: {item} must be between {min} and {max}. */
    public static final String CONSTRAINTS_Range_MESSAGE = "{constraints.Range.message}";

    /** The key of the message: {item} contains unsafe HTML content. */
    public static final String CONSTRAINTS_SafeHtml_MESSAGE = "{constraints.SafeHtml.message}";

    /** The key of the message: The script expression "{script}" is not true. */

			wantResult: `{"_1":-3}`,
		},
		// Examples from https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-glacier-select-sql-reference-date.html#s3-glacier-select-sql-reference-date-diff
		{
			name:       "date_diff_year",
			query:      `SELECT date_diff(year, '2010-01-01T', '2011-01-01T') FROM S3Object LIMIT 1`,
			wantResult: `{"_1":1}`,
		},
		{

設定例:

* [VS Code](https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment)
* [PyCharm](https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html)

/// tip | 豆知識

この設定は通常、仮想環境を作成した際に**一度だけ**行います。

///

## 仮想環境の無効化 { #deactivate-the-virtual-environment }

プロジェクトの作業が終了したら、その仮想環境を**無効化**できます。

<div class="termy">

// APIErrorCode type of error status.
type APIErrorCode int

//go:generate stringer -type=APIErrorCode -trimprefix=Err $GOFILE

// Error codes, non exhaustive list - http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
const (
	ErrNone APIErrorCode = iota
	ErrAccessDenied
	ErrBadDigest
	ErrEntityTooSmall
	ErrEntityTooLarge
	ErrPolicyTooLarge
	ErrIncompleteBody
	ErrInternalError
	ErrInvalidAccessKeyID

 [major_versions]: https://jakewharton.com/java-interoperability-policy-for-major-version-updates/
 [maven_provided]: https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html
 [nginx_959]: https://trac.nginx.org/nginx/ticket/959
 [obsolete_apache_client]: https://gist.github.com/swankjesse/09721f72039e3a46cf50f94323deb82d

pkg go/types, type TypeName struct
pkg go/types, type Var struct
pkg go/types, var Typ []*Basic
pkg go/types, var Universe *Scope
pkg go/types, var Unsafe *Package
pkg html/template, method (*Template) Option(...string) *Template
pkg image, const YCbCrSubsampleRatio410 = 5
pkg image, const YCbCrSubsampleRatio410 YCbCrSubsampleRatio
pkg image, const YCbCrSubsampleRatio411 = 4

	return req, err
}

// preSignV4 presign the request, in accordance with
// http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html.
func preSignV4(req *http.Request, accessKeyID, secretAccessKey string, expires int64) error {
	// Presign is not needed for anonymous credentials.
	if accessKeyID == "" || secretAccessKey == "" {

* 🐛 Fix support for form values with empty strings interpreted as missing (`None` if that's the default), for compatibility with HTML forms. PR [#13537](https://github.com/fastapi/fastapi/pull/13537) by [@MarinPostma](https://github.com/MarinPostma).

### Docs

See $GOROOT/cmd/cgo/internal/teststdio and $GOROOT/misc/cgo/gmp for examples. See
"C? Go? Cgo!" for an introduction to using cgo:
https://golang.org/doc/articles/c_go_cgo.html.

CFLAGS, CPPFLAGS, CXXFLAGS, FFLAGS and LDFLAGS may be defined with pseudo
#cgo directives within these comments to tweak the behavior of the C, C++
or Fortran compiler. Values defined in multiple directives are concatenated

Pythonのフレームワークの中で最もポピュラーで、広く信頼されています。Instagramのようなシステムの構築に使われています。

リレーショナルデータベース (MySQLやPostgreSQLなど) と比較的強固に結合されているので、NoSQLデータベース (Couchbase、MongoDB、Cassandraなど) をメインに利用することは簡単ではありません。

バックエンドでHTMLを生成するために作られたものであり、現代的なフロントエンド (ReactやVue.js、Angularなど) や、他のシステム (<abbr title="Internet of Things - モノのインターネット">IoT</abbr>デバイスなど) と通信するAPIを構築するために作られたものではありません。