The Problem:
You’ve enabled partial refunds in the Authorizenet Model, but it’s not refunding the proper amounts.  This is due to, in my view, a bug in the core which I’ll show you how to patch!
The Solution:
What you need to do is overload the refund method in the Authorizenet model.
Create a new model that extends the [...]

Magento, Model Hide

The Problem
You’ve built a custom grid and the source collection has an ambiguous column in the where clause when applying a filter.
The Solution
I recently ran into this problem while I was building a custom grid.  The situation should be familiar to many of you.  I have a custom table storing addresses; for the region and country [...]

Magento Hide