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Improved examples in ModelAdmin.list_display docs.
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@ -589,7 +589,7 @@ subclass::
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birthday = models.DateField()
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def decade_born_in(self):
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return self.birthday.strftime('%Y')[:3] + "0's"
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return '%d’s' % (self.birthday.year // 10 * 10)
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decade_born_in.short_description = 'Birth decade'
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class PersonAdmin(admin.ModelAdmin):
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@ -678,7 +678,7 @@ subclass::
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birthday = models.DateField()
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def born_in_fifties(self):
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return self.birthday.strftime('%Y')[:3] == '195'
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return 1950 <= self.birthday.year < 1960
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born_in_fifties.boolean = True
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class PersonAdmin(admin.ModelAdmin):
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