I'm the author of that post. I'm sorry to hear that my post wasn't useful and contained errors. I'd be very much interested in hearing what the errors are, so I

I'm the author of that post. I'm sorry to hear that my post wasn't useful and contained errors. I'd be very much interested in hearing what the errors are, so I can correct them. I actually tried all the examples so I'm guessing the samples at least are correct.