Archives 2006

Can't sleep, so spending more time with the manager interface. Interestingly, it seems that pyst has a fairly low-level assumption that just doesn't match the manager interface: namely that all events should be dispatched asynchronously to registered handlers. The problem is that certain actions produce a response, then a sequence of events in order that ...

A somewhat shorter task here. Imagine for a moment that you want to be able to list the currently available SIP peers (in a web-site front-end, for instance). The manager interface can run any Asterisk command-line-interface command, but how do you get the results of that command? It's not exactly obvious, but this little recipe ...

This is not a deep and profound project, it's a quick "hello world" example script that allows you to generate a call via Asterisk that connects a SIP URI to a particular extension in your call plan. You could use this as-is to create a phone survey or similar system that connects a user to ...

Woke up this morning to try the results of last night's last kernel recompile. I wasn't able to get zaptel running, and have been noticing that the system clock is going wildly out of sync (despite ntpd running), so I turned off the preemptive kernel switch. Oops. Every loadable kernel module became non-functional. Rebuilding the ...

I ran out of disk space on my "old" drive (which is where my home directory and all non-multimedia files go), so I went through and killed off the various system directories from my old Linux install (I run from the new disk now). Unfortunately, I didn't remember that /usr/src contained the last working Kernel ...

The next Toronto Area Python Users Group (aka PyGTA) meeting happens January 24th, 7pm-9pm at the Linux Caffe. Speaker is Aaron Bentley discussing his work on the Bazaar-NG Python-coded distributed Revision Control System.

Egads they're getting closer!
Save me gentle lady
From the murd'rous horde
Intent upon my words
I've so few left at this late hour
I must from random books implore
I scrape a few quick quips together
That holds them for a day
I leave a bit of rhyme
Sitting on their path
Hoping that ...

Out rather late yesterday (or this morning, I suppose). Leigh and I hit a trance club after Simon's party. Got home around 5am. Despite the lack of sleep, however, I triumphed 3 games to 1 against grams. However, I haven't been able to get to sleep for a nap yet (despite trying all afternoon). Too ...

The chapter on depth is really very long. The introduction to this section is a little to strong when read without that context, the division outlined here is one of many aspects of depth that gets discussed; you don't need to point out that there are others just as important:

For the purposes of designers, ...

This is the section just after the introduction. I've edited the introduction slightly (added a few paragraphs of clarification), but it's still basically the same. The section here deals with the question of how we perceive (detect) depth in our environment:

Human beings generally do not know everything about the environments they inhabit. We also ...