K-REPL

I recently had reason to get to know OpenAPI at work, so I decided to become familiar with it. I have a HomeSeer home controller at home, which exposes a JSON API, so I decided to write a Java OpenAPI server to expose the JSON API over OpenAPI. The net result is hsOpenAPI. It exposes…

I’ve always had a fascination with compilers.  As a Java geek, I’m also quite interested in the JVM.  In order to learn a little more about both, and as a way to contribute to the open source world, I decided to implement a compiler for BASIC.   So, jvmBasic consumes BASIC code and emits .class…

I recently had a reason to need a TELNET server and couldn’t find a Java library that worked for me.  After a weekend of hacking, I now have kTelnet, an Open-source, BSD-licensed, TELNET server.  

I’ve been interested in HTML parsing for a while now.  There are a number of reasons to do this, such as: Validating that what claims to be HTML, is HTML Finding every style sheet and script in an HTML file Pretty-printing Syntax highlighting Linting Translating between markup languages, for example generating JSPs from PHP, or…

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…

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…