In the spirit of earlier entrants , but not as bad, here's some stupid webspider tricks.

The first stupid trick: crawling 'Add Comment' pages. Not only are the'Add Comment' links marked nofollow (so good little spiders shouldn'tbe going there), but it's also a great way to make me wonder if you'rea would-be comment spammer and pay close attention to every CSpace pageyou hit. CSpace gets sufficiently few pages views at the moment that

Part of the fun of performance tuning is all of the unexpectedthings you find out. Since I spent some of yesterday doing work in the guts of DWiki 's DWikiText toHTML conversion, what I've been finding is some regular expressionperformance surprises.

My big surprise was the relative performance of ' [A-Z] ',' [A-Z][A-Z]* ', and ' [A-Z]+ ' for scanning text where they didn'tmatch (the

A coworker here ran into a novel problem migrating a system from an IDEdisk to a SATA disk: he ran out of partitions. He had 16 partitions onthe IDE disk, and on Linux you can only have 15 partitions on a SATAdrive. (Fortunately he found a partition he didn't really need.)

On the surface, this limitation is because SATA drives on Linux areconsidered to be SCSI disks , and all SCSI diskscan only have 15 partitions. Of course, that just