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データベースアクセスの最適化 — Django 4.0.6 ドキュメント 5335: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... lp developers get the most out of their databases. This document gathers together links to the relevant do ... クを使う ¶ 以下のようなものが上げられます: Indexes . This is a number one priority, after you have determine ... you have done the things listed above. The rest of this document focuses on how to use Django in such a wa ... y that you are not doing unnecessary work. This document also does not address other optimization ...; https://man.plustar.jp/django/topics/db/optimization.html - [similar]

非同期サポート — Django 4.0.6 ドキュメント 5309: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... te the other call style to allow your code to run. This context-switch causes a small performance penalty ... of around a millisecond. This is also true of middleware. Django will attempt to ... thread open for middleware exception propagation. This may not be noticeable at first, but adding this pe ... t there are other parts that are also protected in this way. If you try to run any of these parts from a t ...; https://man.plustar.jp/django/topics/async.html - [similar]

Unicode data — Django 4.0.6 ドキュメント 5283: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... de data ¶ Django supports Unicode data everywhere. This document tells you what you need to know if you're ... be able to store arbitrary string data. Normally, this means giving it an encoding of UTF-8 or UTF-16. If ... encoding for internal bytestrings. The reason for this is that the DEFAULT_CHARSET setting is not actuall ... t determined until the object is used in a string. This feature is useful in cases where the translation l ...; https://man.plustar.jp/django/ref/unicode.html - [similar]

PostgreSQL specific form fields and widgets — Django 4.0.6 ドキュメント 5240: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... t is represented by an HTML <input> . base_field ¶ This is a required argument. It specifies the underlyin ... g form field for the array. This is not used to render any HTML, but it is used to ... 1,2,a' }) >>> form . is_valid () False delimiter ¶ This is an optional argument which defaults to a comma: ... , . This value is used to split the submitted data. It allo ...; https://man.plustar.jp/django/ref/contrib/postgres/forms.html - [similar]

システムチェックフレームワーク — Django 4.0.6 ドキュメント 5214: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... W_ASYNC_UNSAFE environment variable in deployment. This disables async safety protection . 後方互換性 ¶ Co ... ntains (?P< , begins with a ^ , or ends with a $ . This was likely an oversight when migrating from url() ... low unique CharField s to have a max_length > 255. This check was changed to mysql.W003 in Django 3.1 as t ... validators must be callable. fields.E009 : max_length is too small to fit the longest value in choices ( < ...; https://man.plustar.jp/django/ref/checks.html - [similar]

GeoDjango Tutorial — Django 4.0.6 ドキュメント 5197: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... t formats. Editing geometry fields from the admin. This tutorial assumes familiarity with Django; thus, if ... t the installation documentation for more details. This tutorial will guide you through the creation of a ... g the world borders . [1] Some of the code used in this tutorial is taken from and/or inspired by the GeoD ... eodjango ...\> django-admin startproject geodjango This will initialize a new project. Now, create a world ...; https://man.plustar.jp/django/ref/contrib/gis/tutorial.html - [similar]

Database migration operations — Django 4.0.6 ドキュメント 5171: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... extension in your database using a migration file. This example creates an hstore extension, but the same ... tension if it already exists. For most extensions, this requires a database user with superuser privileges ... one of the more specific subclasses below. name ¶ This is a required argument. The name of the extension ... Removes the collations named name . When reversed this is creating a collation with the provided locale , ...; https://man.plustar.jp/django/ref/contrib/postgres/operations.html - [similar]

The "sites" framework — Django 4.0.6 ドキュメント 5171: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... n some way. The sites framework is mainly based on this model: class models. Site ¶ A model for storing th ... me from the request.get_host() method. How you use this is up to you, but Django uses it in a couple of wa ... ) # ... sites = models . ManyToManyField ( Site ) This accomplishes several things quite nicely: It lets ... ry is on the current site. It looks something like this: from django.contrib.sites.shortcuts import get_cu ...; https://man.plustar.jp/django/ref/contrib/sites.html - [similar]

django.db.transaction — Django 4.0.6 ドキュメント 5127: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... efault database connection if no name is provided. This is a private API. """ if using is None : using = D ... e counter used to generate unique savepoint ids in this thread. """ get_connection ( using ) . clean_savep ... hat has `savepoint=True` (that's the default). Use this to force a rollback without raising an exception. ... rollback` is `False`, prevent such a rollback. Use this only after rolling back to a known-good state! Oth ...; https://man.plustar.jp/django/_modules/django/db/transaction.html - [similar]

Writing documentation — Django 4.0.6 ドキュメント 5127: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... een added to the framework since the last release. This section explains how writers can craft their docum ... than the documentation at docs.djangoproject.com . This is OK! If your changes look good on your local mac ... contrib.auth` to your :setting:`INSTALLED_APPS`... This is because Sphinx will generate proper links for t ... g on automatic highlighting using :: (two colons). This has the benefit that if the code contains some inv ...; https://man.plustar.jp/django/internals/contributing/writing-documentation.html - [similar]

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