Archives March 2004

And there's the cmon instance back (Only 3 levels of seperation left...)

For some brain-dead reason the zopectl script doesn't take the parent environment's PYTHONPATH for the loaded Zope. Result is that the code was using the old version of the code with the new version of the database. Nice to have movement again. Though now I'm back to the "don't have the failing scanner any more" ...

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Oh, and mom and dad are coming by on Saturday (They want to visit Pearl, Rosey and I)

And grams, must phone her tomorrow to tell her. I'm told that the visit is tentative, though apparently the weather looks good for travel. I doubt you hear that much in Mexico or the Southern states "weather looks good for travel". It's a northern thing I suppose.

Deadlock broken (Yes, gentle readers, the deadlock is broken)

Finally managed to convince PostgreSQL to import an older version of the database, so I'm now working through various minor glitches (version mismatches) on my way to actually being able to determine whether the old scanner really is hosed... you know, that sounds dumb even to me. I mean, I knew it was hosed already, ...

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Think it's time to declare defeat for the night (Irresistable Mikey meets immovable bug)

I'm getting precisely nowhere with this, and the cycle of attempts is so long it's silly. There's obviously something hosed on my machine, or a bug in PostgreSQL itself. Either way, I'm not going to fix it by continually installing, wiping the database and attempting to load it.

Shane's Famous! (And he never told me...)

Was looking for Shane's web-site to add a link in another post and couldn't find one (not surprising, he's not really all that into computers, but still, you hope), but did find an article written about having tea with him. Cute little article. I never would have known about it without the almighty Google. ...

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PyTable Release while I'm screaming (Upgrading and importing, and crashing and importing, and throwing machine out window...)

Well, since the absolutely newest code needs a new feature of PyTable I decided to do a release while I was waiting. Mostly this just makes working with the DBRow objects a little more intuitive. Setting a field to NULL deletes the value, and setting a foreign-key field to a DBRow instance tries to find ...

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Working with faulty substrates (Ruminations as I rebuild the database yet again)

Hard disks are generally reliable technology. However, I have managed to have two IBM drives, both of which have had failure rates that would make a bed-wetting 6-year-old blush. The second was to replace the first... how wonderful now that it's off warranty. It makes me think, however, how much of my skill is actually ...

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How do I manage to find so many holes in PostgreSQL? (You'd think I was doing something out-of-the-ordinary)

Am I just abusing this poor little PostgreSQL installation on Win32? Is it just the flaky disks? I mean, infinite running time for a simple select * from table and some freaky error with clogs getting started, remembered, but not retained... you don't really hear about this being the normal experience of PostgreSQL users. Of ...

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And now it's working again (Argh, debugging is hard when the debugged thing stops failing...)

Looks as though they've continued migrating modems off the old CMTS, so cmon has dropped below whatever magical threshold was causing the weirdness with PostgreSQL. I really do need to get TwistedSNMP to the level where it can simulate an entire Cable plant if I'm going to be able to properly debug these things. Problem ...

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Mind wandered for a few minutes (Cheap solar-powered dirigibles for virtual tourism)

There's been a lot of interest lately in extremely efficient air and sea "glider" craft which can be extremely efficient by using differential buoyancy to let them travel in a vertical zig-zag pattern with very little energy used. I'm thinking, if one could reduce total cost for an aerial version to around $200CDN, it would ...

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