I haven't seen the unofficial guide but I would be very cautious using it. At one time when the A320 was a new model Airbus used to publish a Service Info Letter that provided all the CB resets. They stopped supporting it in the late 90's believe. There has been some talk recently about resurrecting it and I think they have for the 318 fleet but that's as far as it went.
Were you curious about a particular reset?