ExtJS 4.0, Django and ExtDirect

Do you know if I can use this Django Ext.Direct router with ExtJS 4.0? Do you have any examples where I can find how to do it? I'm new to JavaScript programming. Will it be easy to integrate server side form validation with ExtJS? What about file upload?

Django Model custom save

I have a model and a form which is used to insert new rows in database. For every inserted (or edited) row I need to make a database lock and check if edited row have a conflict with rows that are already in the database. Where is the right place for this checks? In form validation? In a view

Re: Django-Celery: Rate Limit

I tried but still no answers, that's why I decided to try here :( -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+uns