More ANTLR Grammars

If you haven’t read this book, I highly recommend it.  I discovered it in high school and finally purchased my first copy at the now-gone Duthie Books in Kitsilano.  Without going into the details of the book, the author uses a simple Peano arithmetic called Typographical Number Theory  (TNT) to illustrate some of his points. An example…

I recently had a reason to parse a large data set, for another project.  I decided that an ideal “large data set” would be my Outlook mail saved archives.  Sadly, Outlook for Mac doesn’t output PST files, it outputs OLM archives, which are, essentially, giant zip files full of XML.  I was coding this all…

I’ve tried a couple different mp3 taggers to tag my mp3 library, however, most seem to have trouble with large mp3 libraries.  So, after doing some reading about AcoustID and MusicBrainz I decided to quickly code up my own tagger, MusicBrainzTagger. MusicBrainzTagger is a command-line application which recurses a directory of mp3 files and tags…

Back in the day, Paradox was a pretty amazing database.  I recently had a reason to read some Paradox files for a friend, who had a client with a Paradox database.  They needed their data out of the database to insert into something more modern. Googling for the file format of a Paradox DB didn’t…

I was recently asked to release some of my code to Maven Central, and therefore had to figure out how to do it.  I’ve now released these khubla.com libraries: cBean Pragmatach antlr4test-maven-plugin OLMReader simpleIOC ParadoxReader The maven coordinates for each are documented on the github pages.  

When writing custom servlets, it can be quite useful to unit test them.  In my case, I used a combination of testng and mockito.  The basic idea is simple; mock a HttpServletRequest, and a HttpServletResponse and pass them to the custom servlet.  There is a bit more too it, so here’s an example. final HttpServletRequest…