Google and XML/XSLT
A few weeks ago I decided to rewrite my personal site using a bunch of XML data files and an XSLT. This sounded like a good idea at the time - only having to bother with a single datafile to modify,...
View ArticleLeaving the PHP failboat
For the record, I have been using PHP for years. Almost every web project I worked on ended up being written in PHP, and the same applies to the project I'm currently working on. Some may have noticed...
View ArticleStorage space
Back in 1990, I had a 30MB hard drive. And it was full. Then, in 1994, I had a 400MB hard drive. And it was full. In 1996, I got a 1GB hard drive. And before I knew it, it was full. In 1998, I got a...
View ArticleSame WordPress site, different protocols or host names
This server has a dual stack configuration; it supports both IPv4 and IPv6. I don't have many IPv4 addresses, however; because of this, I can't use HTTPS on v4 for all sites. Still, since our home...
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Azathoth, revision 6
Azathoth is the name of our file server. We've had "it" since 2000, although it was replaced many times. One of the goals we had after we moved to the house was to get rid of the 3 boxes full of CDs...
View ArticleSQL ordered trees, an addendum
I am currently working on an application which needs to store ordered trees in a PostgreSQL database. The elements in a single tree may be re-ordered by the user. For the trees themselves, I'm using...
View ArticleTriggering inconsistent behaviour with … triggers
Yesterday I ran into something rather weird with PostgreSQL (9.1rc). A bit of context first: the database in which the problem occurred contains tables which represent an ordered tree, something quite...
View ArticlePostgreSQL ordered trees, final post
Well, at least I hope it will be the last ;-p I have recently posted a little about my attempts at making ordered tree structures work in PostgreSQL. While the initial approach works quite well with a...
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Installing Debian GNU/Linux on a LaCie NAS
Since I recently set up Azathoth's 6th revision, I had the old LaCie NAS on a shelf, completely useless. I had to do something with it; however, the system which comes pre-installed on that thing is...
View ArticleCriminal incompetence
I have a lot of work to do, and many posts I'd like to write, but that will have to wait. I need to vent some frustration right now. I am currently on a systems administration mission where I need to...
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Toys
Just bought a few interesting toys: The ITDB02-4.3 module includes a 480x272 LCD screen controlled by an SSD1963 chip, a resistive touch screen controlled by an XPT2046, and a SD card slot. For now, I...
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A little progress
I managed to get the TFT screen working this afternoon. For now I'm using bit-banging both to initialise the board and access the framebuffer, the idea being to try and use it with the STM32F4's FSMC...
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RS232 != TTL
Ok, I've said it before, but repeating it one more time won't hurt: when it comes to electronics or hardware, I am completely ignorant. So, yesterday morning, I spent the best part of 3 hours trying to...
View ArticleStuck on the CS43L22
I have not been making much progress lately. I am trying to get the board to produce sound through its CS23L22 chip. So far, I've managed to: make it accept commands through I2C (which I know succeeded...
View ArticlePlaying with Asterisk (1/?)
The long term "plan" here at home is to switch over to VoIP for all phone calls. This includes getting rid of our old POTS phones, using softphones on the PCs, possibly buying hardware VoIP phones or,...
View ArticlePlaying with Asterisk (2/?)
Last time I managed to get a very basic Asterisk setup to work. Since then, I haven't had the time to really work on it, but I've made a few improvements here and there. Dial plan improvements In quite...
View ArticlePlaying with Asterisk (3/?) – A menu (sort of)
I wanted to try adding something that sort of feels like a menu to the dial plan. I am not sure that I will actually use one in the final setup, but it wasn't that much effort anyway. A menu (or...
View ArticlePlaying with Asterisk (4/?) – Voice mail
Even in the context of a home set-up, voice mail is a "must-have" feature. My idea is to have a set of voicemail boxes - one per person, and a global "family" mailbox. Ideally, local phones /...
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