Python · Web with Django

You have an Article instance whose Comment model has a ForeignKey to Article. How do you add and count that article's comments without touching Comment.objects?

Answer locked. Get the free KnowCard app to reveal it — plus spaced-repetition review so it actually sticks.

This is one card from the KnowCard library — thousands more across SAP, Linux, Python and more. In the app you get the answer, AI explanations, and cards that come back right before you would forget them. Free to start on iOS, Android or the web.

More in Web with Django

In Django's MVT pattern, which component plays the role that a controller plays in classic MVC?

A Django view function ends with template.render(context) but nothing reaches the browser. The render result is computed and discarded. What's the fix?

What does this print? ```python qs = Article.objects.filter( title__startswith='D') print(type(qs).__name__) ```

True or false: this line runs a SQL query against the database. ```python qs = Article.objects.filter( text__startswith='Finally') ```

You added a price field to a Django model and reload the site, but the DB has no price column — errors everywhere. You already ran migrate. What did you skip?

In Django, what's the difference between a "project" and an "app", and which one do you create with startapp?

Start learning today

Free to start — download the app or use it in your browser.