django query sets orderby code example
Example 1: django order by
Entry.objects.filter(pub_date__year=2005).order_by('-pub_date', 'headline')
Example 2: django queryset count
# Returns the total number of entries in the database.
Entry.objects.count()
# Returns the number of entries whose headline contains 'Lennon'
Entry.objects.filter(headline__contains='Lennon').count()