When using google to find things in the excellent Postgresql documentation, I often end up on pages showing old postgres versions. For example, googling for “postgresql create index”, the first hit is for the postgresql 8.2 docs, and I’m running 8.4 now. My co-workers made a greasemonkey script to automatically redirect to the current version, […]
Author Archives: ryan
git-like line counts in svn using bash
Monday, January 18, 2010
I really like how git tells me how many lines inserted/removed when I commit, and wanted to get something similar from Subversion. I’m working on a refactoring of an older system, and I wanted to know how my refactorings were effecting the code. I think I’m going to remove a lot more code than I […]
simplistic heat-maps using Vecto
Wednesday, December 30, 2009
I stole some time from my increasing non-technical workload to play with generating heat-maps of residential energy consumption in my http://gainesville-green.com project. The initial results are promising: There are a few neat things going on here. I’ve got a url handler in my lisp that looks to the query string for lat-lng bounds, image size, […]
Brian’s functional brain in lisp
Sunday, October 4, 2009
Last week I saw a breathless headline on proggit about clojure and Brian’s functional brain: http://blog.bestinclass.dk/index.php/2009/10/brians-functional-brain/, written by Lau. As a Common Lisp programmer, Clojure irritates me for various irrational reasons. As an exercise in breaking those down, I ported Lau’s 67 line program (which had no comments) to CL running on SBCL using asdf-installable […]
talking usb-serial to my arduino from lisp (sbcl) on linux
Monday, September 28, 2009
I got an arduino microcontroller a little while ago, and have played with it a little but found it’s C/C++ development environment annoying. I wanted to control it from lisp, and that meant serial IO. Many other languages have special serial libraries you can use, where you instatiate a Serial object with configuration like baud, […]
new adw-charting release (finally)
Wednesday, August 26, 2009
Version 0.8 is up on http://common-lisp.net/project/adw-charting/ In this release: docs that actually match the code – this was the vast majority of recent work the adw-charting gallery – I’ll be loading this up with more examples as time goes on separate google / vecto rendering backends tons of bug fixes code that sucks less – […]
HOWTO: start using lisp in your work environment (part 1)
Wednesday, July 15, 2009
Getting started with lisp is no easy task. Tools like clbuild and Lispbox make it easier than a few years ago, but there are still obstacles (some quite reasonable) to using lisp in your work environment. After conversing about the subject a little with Alberto Riva (another local lisper!) and seeing trichey mention it, I […]
simple job scheduling with a threaded lisp
Friday, March 6, 2009
Yesterday I had a need to do some batch processing, making many HTTP calls to crawl a government website to pull down some public data. I didn’t want to run this during normal hours, because I didn’t want to put a strain on their server. I had the web crawling sorted out as a function […]
logo for wedding favors
Tuesday, December 2, 2008
I’m getting married in a few weeks, and one of the final tasks was to make some favors for the guests. Heather and I decided on coffee mugs with a cute logo. We quickly came up with the concept of a heart with gears inside, as we’re having a steampunk/victorian themed wedding. After one very […]