Is there a API or systematic way of stripping irrelevant parts of a web page while scraping it via Python? For instance, take this very page -- the only important part is the question and the answers, not the side bar column, header, etc. One can guess things like that, but is there any smart way of doing it?
Can Django models use MySQL functions?
Is there a way to force Django models to pass a field to a MySQL function every time the model data is read or loaded? To clarify what I mean in SQL, I want the Django model to produce something like ...