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- GeoDjango Database API — Django 4.0.6 ドキュメント 4336
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... ly transformed into the SRID of the model's field, using the spatial database's transform procedure: >>> po ... 4326)) Thus, geometry parameters may be passed in using the GEOSGeometry object, WKT (Well Known Text [1] ... ill implicitly convert the input into a GDALRaster using lazy-evaluation. The raster field will therefore a ... er performance on WGS84 distance queries, consider using geography columns in your database instead because ...
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https://man.plustar.jp/django/ref/contrib/gis/db-api.html
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- Database Functions — Django 4.0.6 ドキュメント 4336
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... er expressions like aggregate functions . We'll be using the following model in examples of each function: ... urn null . The PostgreSQL behavior can be emulated using Coalesce if you know a sensible minimum value to p ... urn null . The PostgreSQL behavior can be emulated using Coalesce if you know a sensible maximum value to p ... L as the first argument. Date functions ¶ We'll be using the following model in examples of each function: ...
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https://man.plustar.jp/django/ref/models/database-functions.html
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- Unicode data — Django 4.0.6 ドキュメント 4336
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... t's under the control of the person installing and using your application -- and if that person chooses a d ... type of string-like object you may encounter when using Django. The framework's internationalization featu ... s, force_str() forces those objects to a string (causing the translation to occur). Normally, you'll want t ... . One requirement of URLs is that they are encoded using only ASCII characters. However, in an internationa ...
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https://man.plustar.jp/django/ref/unicode.html
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- Django 1.10.3 release notes — Django 4.0.6 ドキュメント 4336
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... opped after the test suite completes, but not when using the manage.py test --keepdb option or if the user ... ch_size ( #27385 ). Prevented i18n_patterns() from using too much of the URL as the language to fix a use c ...
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https://man.plustar.jp/django/releases/1.10.3.html
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- Django 1.11.3 リリースノート — Django 4.0.6 ドキュメント 4336
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... accepts **kwargs ( #28265 ). Fixed a regression causing Model.__init__() to crash if a field has an instan ... ncorrect DisallowedModelAdminLookup exception when using a nested reverse relation in list_filter ( #28262 ... ore difficult. Casting is now done in the template using the |stringformat:'s' filter. Prevented a primary ...
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https://man.plustar.jp/django/releases/1.11.3.html
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- Django 1.4.21 release notes — Django 4.0.6 ドキュメント 4336
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... eys, potentially filling up the session store or causing other users' session records to be evicted. The bu ... integer() function is now stricter as it validates using a regular expression instead of simply casting the ... value using int() and checking if an exception was raised. 目次 ...
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https://man.plustar.jp/django/releases/1.4.21.html
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- Djangoの認証システムを使用する — Django 4.0.6 ドキュメント 4336
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... ます。 スーパーユーザを作成する ¶ Create superusers using the createsuperuser command: $ python manage.py cr ... object, but also per specific object instance. By using the has_view_permission() , has_add_permission() , ... me way as concrete models. Permissions are created using the own content type of the proxy model. Proxy mod ... is removed. This is to prevent another person from using the same web browser to log in and have access to ...
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https://man.plustar.jp/django/topics/auth/default.html
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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 4336
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... adding indexes to fields that you frequently query using filter() , exclude() , order_by() , etc. as indexe ... 限をかけることでこれを完全に防ぐことができます。 So using the example blog models : >>> entry = Entry . obje ... single row in the results, even if it ends up only using a few columns. The defer() and only() methods are ... e use of len(members) calls QuerySet.__len__() , reusing the result cache, so again, no database queries ar ...
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https://man.plustar.jp/django/topics/db/optimization.html
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- Django のショートカット関数 — Django 4.0.6 ドキュメント 4336
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... ext = None , content_type = None , status = None , using = None ) ¶ Combines a given template with a given ... he status code for the response. Defaults to 200 . using The NAME of a template engine to use for loading t ... eyword arguments; the URL will be reverse resolved using the reverse() method: def my_view ( request ): ... ...
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https://man.plustar.jp/django/topics/http/shortcuts.html
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- How to create custom model fields — Django 4.0.6 ドキュメント 4290
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... the model field -- that is, when you retrieve data using QuerySet methods like get() , filter() , and exclu ... Converting Python objects to query values ¶ Since using a database requires conversion in both ways, if yo ... CharField' No matter which database backend we are using, this will mean that migrate and other SQL command ... t known to Django for the database backend you are using -- that is, it doesn't appear in django.db.backend ...
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https://man.plustar.jp/django/howto/custom-model-fields.html
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