One of the accidental smart decisions that I made when I was writing DWiki 's code for syndication feeds was that I should create syndicationfeeds for comments as well as entries. (This built on an earlierdecision that I should have some way of getting a list of comments inchronological order, just as I had one for the standard wiki 'recentlyedited pages' feature.)

It isn't that I think this is an important feature to offer otherpeople; as far as I know, none of the

Here is one of those fun issues that cause me to pull out my hair(although it can give me a peculiar sense of satisfaction to track itdown).

Suppose that you have two filenames, such as (not entirelyhypothetically) .vacation.dir and .vacation.pag . As it happens,these filenames are actually hardlinks, so there is only one actualfile involved. Now, suppose you have code that is like this C-oidpseudo-code:

fl = {F_WRLCK, SEEK

There's been a bunch of commotion lately over OpenSSH and how perhapsthere's a 0-day exploit in an older version of it, and so on. Giventhis, clearly the thing to do is upgrade to a current version justin case, right?

If you think this, you're not thinking like a security paranoid.Allow me to illustrate.

Imagine that you are an attacker. You've found a vulnerability inthe very latest and most recent version of OpenSSH, and you want