How to add a calculated field to a Django model
I have a simple Employee model that includes firstname, lastname and middlename fields.
django-models
How do I do a not equal in Django queryset filtering?
In Django model QuerySets, I see that there is a __gt and __lt for comparative values, but is there a __ne or != (not equals)? I want to filter out using a not equals. For example, for
Python script for Django app to access models without using manage.py shell
I’m writing a script to import some model objects into the database my django application uses. In the past I’ve solved this by running ./manage.py shell and then import myscript. I’m sure there’s a better way. I’d like to be able to call a script from anywhere on my HD using python scriptname.py, and in the first few lines of that script it would do whatever imports / other operations necessary so that it can access model objects and behave as though it was run using manage.py shell.
Django rest framework serializing many to many field
How do I serialize a many-to-many field into list of something, and return them through rest framework? In my example below, I try to return the post together with a list of tags associated with it.
Django signals vs. overriding save method
I’m having trouble wrapping my head around this. Right now I have some models that looks kind of like this:
Django Model Field Default Based Off Another Field in Same Model
I have a model that I would like to contain a subjects name and their initials (he data is somewhat anonymized and tracked by initials).
Why doesn’t django’s model.save() call full_clean()?
I’m just curious if anyone knows if there’s good reason why django’s orm doesn’t call ‘full_clean’ on a model unless it is being saved as part of a model form.
Django post_save() signal implementation
I have a question about django.
How to get two random records with Django
How do I get two distinct random records using Django? I’ve seen questions about how to get one but I need to get two random records and they must differ.