I want username field is automatically filled with this value: username = str(n); where n is a number (autoincremented or random).
I\'m trying to fill in 开发者_StackOverflow中文版the value of a foreign key entry in one of my models using a value stored as session data...it all works well but when I try to access the record from
I\'m using the contenttypes framework to create a \"featured content\" feature on my site. I\'ve basically done this by defining a model like so:
I want use a model to save the system setting for a django app, So I want to limit the model can only have one 开发者_JAVA技巧record, how to do the limit?Try this:
I have model from which I only want to create one instance, and no more instances shou开发者_StackOverflow社区ld be allowed.
class SupercalifragilisticexpialidociousManager(models.Manager): # Sorry, I\'m sick of Foo and Spam for now.
class Account(models.Model): identifier = models.CharField(max_length=5) objects = MyCustomManager() class开发者_如何转开发 Meta:
I\'ve looked at formset and model formset at Django many times, but I still can\'t figure the smart way to do this.
Ok, so I posted a question recently regarding an error when adding a ManyToManyField The Models are the ones below
I have 2 models with a 1-1 relation (essentially a resource pool).For the example code, I will simply use nuts and bolts.There will be many more nuts (available resources) than bolts (which will each
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