More Bioinformatics
After FASTA, I got interested in gff3. The link to the grammar for this file is here: antlr/grammars-v4. You can read about gff3 here.
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Release builds resulting from Log4j
There are new release builds for some of the more widely used khubla.com libraries, resulting for patching for the log4j vulnerability. They are: ParadoxReader <groupId>com.khubla.pdxreader</groupId><artifactId>pdxreader</artifactId><version>1.6</version><packaging>jar</packaging> OLMReader <groupId>com.khubla.olmreader</groupId><artifactId>olmreader</artifactId><version>1.9.0</version><packaging>jar</packaging> JVMBasic kPascal
Building QEMU
In general, I install QEMU on my Macbook using MacPorts. However I recently had a need to get the tip of the QEMU development tree. Getting the QEMU source tree is trivial: git clone git://git.qemu-project.org/qemu.git I needed an updated version of dtc: git submodule update –init dtc The build instructions from the README are: mkdir…
A simple modelling language
Recently I had reason to get interested in process modelling. Ultimately I ended up writing an Antlr4 grammar for Modelica (here), but in the mean time I came up with SML (Simple Modeling Language). The Antlr4 grammar is sml.g4. The characteristics I wanted in my own modeling languages were: Ability to define models as text files…
Every house needs a Service Bus
After all, now that we have wireless thermostats, door locks, outlets, dimmers, alarms, garage doors, and motion sensors, it only makes sense to publish events onto a Service Bus. In my case I used Mosquitto in a FreeBSD jail as my broker. My home controller is a HomeSeer. There are MQTT plugins available, but I…
Home Automation DevOps
Home automation is coming into the mainstream a with recent offerings from the big tech companies, and I’m interested in it too. I’ve had a number of home automation controllers, most recently an H3 Pro SEL from HomeSeer. I’ve also become quite interested recently in DevOps monitoring, using InfluxDB, and Grafana. Sensu, Telegraf and Prometheus…
AGC Grammar
Every IT geek is, to some degree, fascinated with the Apollo program which put a human on the moon for the first time. Naturally, there is also curiosity about the computers on the Apollo moon lander, and the software that ran on them. The source code that went to the moon is available now, and…