Trying Clojure...

I am becoming increasingly frustrated by Common Lisp's age. On the one hand, history makes it what it is: Mature, well-documented, thoroughly understood and practical. On the other, it fails to keep up with current...

Revisiting SECD and the power of Lisp While visiting the ICFP Conference 2008, I was discussing my SECD microprocessor reimplementation project with my co-worker Kilian. The SECD is a classic virtual machine...

Schema evolution made easy

Applications age, and with age often comes the desire to change things. One of the more painful aspects of changing a deployed application is transforming existing data. This post shows some of the schema evolution...

Building Load Resilient Web Servers

One of the bigger challenges with deploying dynamic web servers is being able to cope with load peaks that happen when the URL is communicated to larger communities in a short time. I have seen several sites ...

Symbolics Keyboard on PS/2 port

I have been busy with hacking Hunchentoot and flexi-streams at daytime during the last few weeks, and wrote a thread-safe version of a simple deterministic profiler for Clozure CL so that I could isolate performance problems....

BKNR at the Boston Lisp Meeting

After a weekend full of parentheses in Amsterdam, I attended the Boston Lisp Meeting hosted at MIT.  Peter Dillinger gave a presentation on the ACL2s, which is an Eclipse based user interface for the ACL2 theorem prover....

Chaosradio Express on Lisp

Last week, I have been a guest at Tim Pritlove's Chaosradio Express and he interviewed me about Lisp. The podcast is in german, we talked about how I came to Lisp and what I think it is abo...

Feature development and getting carried away on Lisp

Customer Demands Recently, I have been spending some weekend and late night hours on extending the QuickHoney web system. The artists want to see the system modernized with RSS feeds and more interaction, and we'll also...

Refactoring CL-SMTP

In my recent refactoring of BKNR, I decided that we do no longer want to use any of Franz' open source libraries if we can avoid it. Even though they work fine in general, hacking them is a pain because they adhere to John...

BKNR is alive

Recently, there has been quite some activity in the BKNR repository. This is because my company finally seems to become reality, with a real office, customers and all that. I even have an employee now, Kilian, who is working...