count gabarit django
#in template you can use the filter length on your model post
{{ posts|length }}count gabarit django
#in template you can use the filter length on your model post
{{ posts|length }}count gabarit django
#views.py
#You should instead pass places_count via the context to the template:
def places(request):
places = Places.objects.order_by('-published_date')[:10]
places_count = Places.objects.count()
return render(
request, 'templates/places.html', {'places':places, 'places_count': places_count}
)
#in your templatee
<div class="container">
<h2>Places <span class="badge">{{ places_count }}</span></h2>
</div>django group by
# If you mean to do aggregation you can use the aggregation features of the ORM:
from django.db.models import Count
Members.objects.values('designation').annotate(dcount=Count('designation'))
# This results in a query similar to:
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
#and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager', 'dcount': 2}]django queryset count
# Returns the total number of entries in the database.
count = Entry.objects.count()
# Returns the number of entries whose headline contains 'Lennon'
count = Entry.objects.filter(headline__contains='Lennon').count()Copyright © 2021 Codeinu
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