Does this situation call for well specified associations, single table inheritance, or polymorphic association?
I'm building a web-app where users can keep track of who owes whom money. I have users and debts. Given a user I want to be able to find out all the debts to other users, and all the loans to other ...
Right now, I'm trying to learn a well documented software engineering. I knew that if we code using Object Oriented concept, we can do software design concept using UML. But what if we code using ...