Martin Geisler Online

We (Thomas Mølhave, Lars Petersen, and I) handed in our code for the DAIMI:dOvs project very early in the morning last Friday, so the first phase is now over. Our compiler compiles any DAIMI-Scheme program you throw at it, and our VM runs any DAIMI-Scheme Bytecode program we could find, and it does it fast. So we’re very happy with the programs we’ve made in the project.

We now have until Friday the 12th to write a big report, so please don’t expect any updates on these pages until that time. And to make things worse, then we also have to deal with a compulsory exercise in DAIMI:dSprogSem which has a deadline on Wednesday 10th. So, I’m not bored, not bored at all…

I’m still getting tons of spam sent to my address(es) at GimpsterDotCom, but none of it gets through thanks to the extremely accurate POPFile filter that I use.

POPFile is using good oldfashioned statistics to sort my mail into different buckets — you’re not limited to a simple spam/non-spam classification, POPFile can sort mail into any number of buckets.

I’ve now had 19,275 mails sent through POPFile, and I’ve had to correct it 16 times. This gives an accuracy of 99.92%(!). And what is more extreme, is that it tells me that I’ve received an average of 292 mails each day in the last two months…

Now for the stupid spam that just caught my eye, here’s the headers:

Return-Path: <[email protected]>
Delivered-To: [email protected]
Received: (qmail 20512 invoked by uid 506); 4 Nov 2003 05:42:30 -0000
Received: from [email protected]
by sky.netsite.dk by uid 503 with qmail-scanner-1.20rc1
(clamuko: 0.60. Clear:RC:0:.
Processed in 0.06725 secs); 04 Nov 2003 05:42:30 -0000
X-Qmail-Scanner-Mail-From: [email protected] via sky.netsite.dk
X-Qmail-Scanner: 1.20rc1 (Clear:RC:0:. Processed in 0.06725 secs)
Received: from 216-187-212-197.ded.btitelecom.net (HELO exchange.jano.net) (216.187.212.197)
by mail.netsite.dk with SMTP; 4 Nov 2003 05:42:30 -0000
Received: from smtp0281.mail.yahoo.com ([211.158.48.239])
by exchange.jano.net with Microsoft SMTPSVC(5.0.2195.6713);
Mon, 3 Nov 2003 15:59:29 -0500
Date: Mon, 3 Nov 2003 20:56:38 GMT
From: “wilda “<[email protected]>
X-Priority: 3
To: [email protected]
Subject: $RANDOMIZE

Apparently they spammers cannot even get their filthy software to work correctly… That’s all for now, see ya!

As you’ve all undoubtfully noticed, then I haven’t updated GimpsterDotCom for little over a month now — I’ve simply been doing other things.

I have for example been working on our DAIMI:dOvs project with Lars Petersen and Thomas Mølhave. We’re asked to write a compiler in ML which will be used to compile a subset of Scheme called DAIMI-Scheme into a bytecode format.

The bytecode will be executed by a virtual machine, written in C. We’ve done with most of the VM, except for the garbage collector, and we’ve (well actually Lars Petersen has) just begun to look at writing the compiler.

Some of you may have noticed that GimpsterDotCom were down for some hours yesterday — it wasn’t my fault this time :-)

The problem was a complete lack of power in the eastern part of Denmark including the southern of Sweden. The blackout started with a Swedish powerplant and then spread to all of southern Sweden. The two major Danish islands Fyn and Sjælland are connected to a Nordic electrical grid so when the voltage droppen in Sweden, then it also affected those parts of Denmark. GimpsterDotCom is hosted by NetSite which is located in Brøndby on Sjælland so my server went down together with everything else over there — I live in Århus in Jutland which weren’t affected.

The WikiWikiWeb section of GimpsterDotCom were offline yesterday and part of today because of a stupid typo somewhere in the code that I couldn’t find. I know that some people looked for my PHP Tutorial in vain — sorry, but it’s back now.

I was trying to patch my already patched version of PhpWiki with a bit of code made by Janus Tøndering which should give me a simple file based user authorization system. The patch applied fine, no problem there and everything worked on my local system.

But when I uploaded the changes, then something went wrong, I don’t know exactly what. I tried to remove the patch and restore the code to working order, but the error just wouldn’t go away!

So I’ve now checked out a fresh copy of PhpWiki from CVS and applied my own patches and fixes as needed plus the patch from Janus. Everything seams to be working now, except that the authentification system won’t validate the users I’ve created — I’ll have to look at it some more for it’s rather simple and should work. When I get it working, then you’ll be able to get an account here at GimpsterDotCom so that you can edit the pages, just let me know.