Years ago, I lost my temper while arguing with my brother, and said, "Jeff, I could teach you everything I know and you'd still be an idiot." Please keep that in mind as you read this site.

Recent posts

T Plus 10 Days

So how is The Architecture of Open Source Applications doing?
June 02, 2011

Tagging (Again)

I have two logical entities in my database—call them Place and Thing—and I would like to be able to add tags to instances of both kinds. I’d like those tag ...
June 01, 2011

Blue Pencil for Hire

Amy Brown, my co-editor on The Architecture of Open Source Applications, is available for freelance work. High quality, reasonable rates, knows her way aroun...
June 01, 2011

Workshop at CEF’11

I will be giving a one-day workshop on software skills for computational economists at the 17th International Conference on Computing in Economics and Financ...
June 01, 2011


The Architecture of Open Source Applications site has had over 85,000 visitors in the eight days since we launched. Nobody has asked about using it as a text...
May 31, 2011