... >>> p1 . save () >>> p2 = Publication ( title = "Science News" ) >>> p2 . save () >>> p3 = Publication ( title = "Science Weekly" ) >>> p3 . save () Article を一つ作ります: >>> a1 = Article ( headline = "Django lets you build web apps easily" ) 保存す ... ublications . all () <QuerySet [<Publication: Highlights for Children>, <Publication: Science News>, <Publication: Science Weekly>, <Publication: The Python Journal>]> Publication オブジェクトはリレーション先の Article オブジェクトにアクセスできます: > ... tartswith = "NASA" ) <QuerySet [<Publication: Highlights for Children>, <Publication: Science News>, <Publication: Science Weekly>, <Publication: The Python Journal>]> >>> Publication . objects . filter ( article__id = 1 ) <QuerySet [<Publication: The ... ... >>> p1 . save () >>> p2 = Publication ( title = "Science News" ) >>> p2 . save () >>> p3 = Publication ( title = "Science Weekly" ) >>> p3 . save () Article を一つ作ります: >>> a1 = Article ( headline = "Django lets you build web apps easily" ) 保存す ... ublications . all () <QuerySet [<Publication: Highlights for Children>, <Publication: Science News>, <Publication: Science Weekly>, <Publication: The Python Journal>]> Publication オブジェクトはリレーション先の Article オブジェクトにアクセスできます: > ... tartswith = "NASA" ) <QuerySet [<Publication: Highlights for Children>, <Publication: Science News>, <Publication: Science Weekly>, <Publication: The Python Journal>]> >>> Publication . objects . filter ( article__id = 1 ) <QuerySet [<Publication: The ... ... t returned by items() . changefreq の可能な値は、メソッドの場合も属性の場合も、以下の通りです。 'always' 'hourly' 'daily' 'weekly' 'monthly' 'yearly' 'never' priority ¶ オプション。 メソッドまたは属性のいずれか。 If it's a method, it should take one ar ... ... t returned by items() . changefreq の可能な値は、メソッドの場合も属性の場合も、以下の通りです。 'always' 'hourly' 'daily' 'weekly' 'monthly' 'yearly' 'never' priority ¶ オプション。 メソッドまたは属性のいずれか。 If it's a method, it should take one ar ... 2026年10月08日