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python Programming Glossary: django.db.modelsdjango post_save call from within sending Model? http://stackoverflow.com/questions/10810202/django-post-save-call-from-within-sending-model defined tested example from django.db import models from django.db.models import signals def create_badge sender instance created kwargs..
http://stackoverflow.com/questions/108193/union-and-intersect-in-django for #1 # Blogs who have either hockey or django tags. from django.db.models import Q Blog.objects.filter Q tags__name__iexact 'hockey' Q..
Why is post_save being raised twice during the save of a Django model? http://stackoverflow.com/questions/2345400/why-is-post-save-being-raised-twice-during-the-save-of-a-django-model using the dev server from blog.models import Post from django.db.models import signals def purge_cache sender kwargs print 'Purging..
Django BigInteger auto-increment field as primary key? http://stackoverflow.com/questions/2672975/django-biginteger-auto-increment-field-as-primary-key I had the same problem and solved with following code from django.db.models import fields from south.modelsinspector import add_introspection_rules..
How to get a list of all users with a specific permission group in Django http://stackoverflow.com/questions/378303/how-to-get-a-list-of-all-users-with-a-specific-permission-group-in-django django.contrib.auth.models import User Permission from django.db.models import Q perm Permission.objects.get codename 'blogger' users..
Django-South introspection rule doesn't work http://stackoverflow.com/questions/4715964/django-south-introspection-rule-doesnt-work named ImageWithThumbsField . It's basically just the ol' django.db.models.ImageField with some attributes such as height weight etc. While.. missing something... I am using a simple custom Model from django.db.models import ImageField class ImageWithThumbsField ImageField def..
Django: How to create a model dynamically just for testing http://stackoverflow.com/questions/502916/django-how-to-create-a-model-dynamically-just-for-testing this from django.core.management import call_command from django.db.models import loading loading.cache.loaded False call_command 'syncdb'..
Increment Page Hit Count in Django http://stackoverflow.com/questions/622652/increment-page-hit-count-in-django If you use Django 1.1 just use F expressions from django.db.models import F ... MyModel.objects.filter id ... .update hit_count..
Adding Custom Django Model Validation http://stackoverflow.com/questions/7366363/adding-custom-django-model-validation object when validating you can use the following from django.db.models import Q Model DateTimeField from django.core.validators import..
Using Django to summarize Report http://stackoverflow.com/questions/7600431/using-django-to-summarize-report to aggregate the values of the investments for a plan from django.db.models import Sum my_plan.investment_set.filter maturity_date__gte..
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