django Archives - Page 4 of 7

Checking for empty queryset in Django

What is the recommended idiom for checking whether a query returned any results? Example: orgs = Organisation.objects.filter(name__iexact="Fjuk inc") # If any results # ...

May 22, 2022
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How to put comments in Django templates

I would like to comment this with a line {% if something.property %} <table> <tr>... {% # this is a comment %} {% ...

May 22, 2022
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Proper way to handle multiple forms on one page in Django

I have a template page expecting two forms. If I just use one form, things are fine as in this typical example: if ...

May 21, 2022
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Django – limiting query results

I want to take the last 10 instances of a model and have this code: Model.objects.all().order_by('-id')...

May 20, 2022
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How do I make many-to-many field optional in Django?

When you have a many-to-many relationship (related_name, not through) and you are trying to use the admin interface you are required to enter ...

May 20, 2022
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Django rest framework, use different serializers in the same ModelViewSet

I would like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet: When viewing a ...

May 20, 2022
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How to set a value of a variable inside a template code?

Say I have a template <html> <div>Hello {{name}}!</div> </html> While testing it, it would be useful to define the value of the variable ...

May 19, 2022
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Dynamically adding a form to a Django formset

I want to dynamically add new forms to a Django formset, so that when the user clicks an “add” button it runs JavaScript ...

May 19, 2022
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What is reverse()?

When I read Django code sometimes, I see in some templates reverse(). I am not quite sure what this is but it is ...

May 18, 2022
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Numeric for loop in Django templates

How do I write a numeric for loop in a Django template? I mean something like for i = 1 to n 21 ...

May 16, 2022
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