Recently in Damn Category

Monads in C++

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Here is an example on how you could implement Monads in C++. Hrmm... I think I prefer the version of Haskell ;)

Here is a funny way of explaining Monads in Haskell (using Monsters devouring values).

VAX executable binaries on my x86!

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I was just looking around a little bit in the .git subdirectory of a local git repository of mine and found out that some files are VAX COFF executables!

pb@earth:~/DataTrap/git/science/.git$ file ./objects/e5/940c1148ae6050cdc20b5978fa7419b2b093eb
./objects/e5/940c1148ae6050cdc20b5978fa7419b2b093eb: VAX COFF executable

;)

VAX is a pretty old computer architecture which runs operating systems like OpenVMS:

Vax780_small.jpeg

Well, .. in real those are just binary blobs where git stores content in. A joke or by accident? Because OpenVMS' file system has integrated version control in its native file system. Its much simpler than git, but... ;)

An uncommon way to express internet bandwith:

dsc00111.jpg

Using N95 for fixing your MTA

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The last week I was in Vidin, Bulgaria with no internet access and I had to fix my MTA (Postfix) at host.0.buetow.org which serves E-Mail for all my customers at P. B. Labs. Good, that I do not garuantee high availability on my web services (I ve to do a full time job somewhere else too). My first try to find an internet cafe, which was working during christmas time, failed. However, I found with my N95 lots of free wlan hotspots. They refused me logging into my server using ssh (I am using a non standard port for ssh in order to avoid lots of login attempts). Without knowing the price I was using then the GPRS internet access of my german phone provider (yes, I ll have to pay lots of roaming fees). With Putty for N95 and configuring Postfix with Vim and the T9 imput mechanism I managed to fix the poblem. But it took half of an hour. My next mobile phone MUST have a full qwerty keyboard included. This would have made my life lots easier. :)

ATM I am in Sofia, Bulgaria. Here I can use at least an unprotected WLAN hotspot which belongs to one of the neighbors which I don't know in person and it is not blocking any port at all :)

CXG.de DDoS

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Today I've had a DDoS attack at cxg.de, our nopaste service. After doing some modifications I hope it's now over. In a few days I'll try to take cxg.de back online.

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