There's an interesting post over at Olery's blog about a successful migration story from using MySQL/MongoDB to PostgreSQL as the persistence layer for applications that, however, lists a couple of cons of using MySQL that I personally think are no longer valid complaints (or at least not as big as they...

This post recently caught my attention on Planet MySQL. If you haven't read it yet, I suggest that you go and do so, and also read the comments. I think Matthew's request for the queries so that others can run comparative benchmarks is very interesting, and while I don't have access to...

This code snippet shows how to use Clojure Atoms to implement thread safe instance variables in JRuby classes. The atom_attr_accessor method is used analog to the usual attr_accessor so this should seem natural for the language, though I don't have enough experience with it to judge that.

Ever found yourself working on a MySQL server where root's password is unavailable? It has happened to me a few times, always because the person who set up the DB left the place long ago, and this information was not documented anywhere. If you have root access to the OS,...