Here are the articles that were published in April 2008.
Every now and again developers get caught out when using decimal values in floating point variables. We investigate how numbers are stored in floating point variables, the problems that occur when such numbers are rounded - especially when those numbers represent monetary values - and how to avoid these problems. Read more...
Dustin Campbell IMed me this morning to say that he's suddenly been getting higher rates of visits form a link on a post on my site. What was going on? Read more...
A little over three weeks ago I finished watching the complete Twin Peaks (at least the episodes that appeared on TV, I haven't watched the movie). Oh boy, did this ever bring back some memories from 1990 and 1991. Read more...
A long time ago in a galaxy just down the street, Lee Inman and I wrote the first version of a UI controls library for Delphi, which TurboPower Software marketed and sold as Orpheus. This post is not about that product. At about the same time I started going out with my now wife Donna. This post is not about that either. Instead it's about Orpheus, the cat. Read more...
In our previous installment, we'd introduced the principles behind red-black trees as well as an appreciation of why they would produce more balanced binary search trees than pure randomness by using a process called a rotation. Then we got stuck when actually inserting a node. Obviously this is one algorithm we are going to have to crack in order to be able to build a red-black tree that we can search. Read more...