Author Archives: Serif

About Serif

An old skool Unix hacker, minus the beard and the sandals, who has currently found a nice warm place to spend his days at the offices of an ISP.

Python: function memoization

Posted on June 25, 2015 by Serif

First a little question. What do you expect the following (Python 2) code to return? Maybe try it and see? If the answer of “[2]”, followed by “[2, 3]” wasn’t what you had in mind then you need to understand … Continue reading →

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Providing an IPv6 address for an IPv4 legacy web server

Posted on July 19, 2011 by Serif

We have a corporate web server which doesn’t have IPv6 connectivity. It’s behind firewalls which haven’t yet been updated for IPv6 and the server itself is managed by others in our company who are still getting up to speed with … Continue reading →

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