Author Archives: G Wade Johnson

SVG: Coming of Age

In the past few months, I have been focusing more on SVG. The most important reason was the SVG Open 2009 conference the first weekend of October.1 Some truly amazing demos and research are being done in this area despite nay-sayers claiming that the technology is dead. Some of the biggest announcements leading up to… Read More »

More SVG and Perl

In my last post, I talked about a quick little project that has grown into experimenting with several new tools/processes. I finally got a reasonable release out on CPAN as SVG::Sparkline version 0.30. This version supports 6 different sparkline types: Area, Bar, Line, RangeArea, RangeBar, and Whisker. It also has better documentation in the form… Read More »

Chronistic Coupling, Communications

The comments from Ian and rlb3 have made me think a bit more on what I said last time about Chronistic Coupling. One thing I didn’t make perfectly clear is that I’m not advocating avoiding Chronistic Coupling at all costs. Any real system will require some amount of Chronistic coupling. The key design point is… Read More »

The Literals of Functional Programming

I was listening to an older episode of Software Engineering Radio where they interviewed Martin Odersky on Scala (Episode 62). In the interview, Odersky made a comment about closures being the literals of functional programming. This statement struck me as surprising. The more I thought about it, the more interesting and subtle the concept became.… Read More »

Programming for/by Kids

My son has talked several times about learning to program, but he’s young enough that the normal programming approaches bore him. I had tried implementations of Logo in the past, without much success. A couple months ago, I was checking the Make magazine blog and stumbled upon an article about a Scrolling Mario game in… Read More »

Interesting Ads

The company SourceGear makes tools for software developers, mostly in the version control area. The company’s founder is Eric Sink. Based on his blog and book, Sink seems to understand both business and technical issues. In 2007, I saw a reference to their new advertising campaign styled as a comic book. At the time, they… Read More »