[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

// 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

	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 == "" {

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 (IoT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。

### <a href="https://www.django-rest-framework.org/" class="external-link" target="_blank">Django REST Framework</a>

browsers.\n// 4. Prevent adjustments of font size after orientation changes in IE on Windows Phone and in iOS.\n// 5. Change the default tap highlight to be completely transparent in iOS.\n\n*,\n*::before,\n*::after {\n  box-sizing: border-box; // 1\n}\n\nhtml {\n  font-family: sans-serif; // 2\n  line-height: 1.15; // 3\n  -webkit-text-size-adjust: 100%; // 4\n  -webkit-tap-highlight-color: rgba($black, 0); // 5\n}\n\n// Shim for \"new\" HTML5 structural elements to display correctly (IE10, older browsers)\n//...

## Changelog since v1.11.0

### Action Required

Some upgrade methods might upgrade etcd from 3.0 to 3.1 automatically when you upgrade from Kubernetes 1.8, unless you specify otherwise. Because [etcd does not support downgrading](https://coreos.com/etcd/docs/latest/upgrades/upgrade_3_1.html), you'll need to either remain on etcd 3.1 or restore from a backup if you want to downgrade back to Kubernetes 1.8.

## Introduction to 1.9.0

## Changelog since v1.5.0-beta.3

### Other notable changes

height: 100vh;\n  width: 100%;\n  transition: height 200ms linear;\n  position: fixed;\n  left: 0;\n  top: 0;\n  z-index: 9999;\n}\n\n.dark-mode .preloader {\n  background-color: #454d55 !important;\n  color: #fff;\n}\n\nhtml.scroll-smooth {\n  scroll-behavior: smooth;\n}\n\nhtml,\nbody,\n.wrapper {\n  min-height: 100%;\n}\n\n.wrapper {\n  position: relative;\n}\n\n.wrapper .content-wrapper {\n  min-height: calc(100vh - calc(3.5rem + 1px) - calc(3.5rem + 1px));\n}\n\n.layout-boxed .wrapper {\n  box-shadow:...

#undef X3L #undef X3H #undef Y3L #undef Y3H #undef Z3L #undef Z3H #undef ZER #undef SEL1 #undef CAR1 #undef CAR2 // http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#doubling-dbl-2007-bl // http://www.hyperelliptic.org/EFD/g1p/auto-shortw.html // http://www.hyperelliptic.org/EFD/g1p/auto-shortw-projective-3.html #define P3ptr R3 #define P1ptr R4 #define CPOOL R7 // Temporaries in REGs #define X3L V15 #define X3H V16 #define Y3L V17 #define Y3H V18 #define T1L V19 #define T1H V20 #define...