name-clash – Tarik Billa

Django 1.9: Field clashes with the field of non-existing field in parent model

August 31, 2023 by Tarik

I think that you shouldn’t use name certifier for that foreign key relation because class Profile actually has certifier, admin and designer fields(although by descriptor) according to docs and in that case names actually would clash. from django.contrib.auth.models import User c = Certifier.objects.create( type=”admin”, user=User.objects.latest(‘date_joined’), ) p = c.profile_ptr print(p.certifier) #username (admin) Change to something … Read more

Java Name Hiding: The Hard Way

January 13, 2023 by Tarik

You can cast a null to the type and then invoke the method on that (which will work, since the target object isn’t involved in invocation of static methods). ((net.foo.X) null).doSomething(); This has the benefits of being side-effect free (a problem with instantiating net.foo.X), not requiring renaming of anything (so you can give the method … Read more