Share 'How to disable cache while developing OpenSocial applications?'

Hi there, I have a sandbox social network at http://ventanazul-sandbox.ning.com and I'm starting with OpenSocial apps development. I've just started with the 'hello world' gadget example but noticed that it's being cached by Ning. I read that I could disable caching by adding bpc=1 to the url so I modified some text in my gadget and tried going to: http://ventanazul-sandbox.ning.com/?bpc=1 but…