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Programming

I just finished delivering a talk at Oredev 2013 on better concurrency in Java 8. With Lambda’s being the biggest new feature I naturally needed to address what they had to offer. I wanted a meatier example than the ones where you write a query to find all the people that make more than you do so I decided to write the example around was on how to sum up all the application stopped time records...
on Nov 10, 2013
I mentioned the idea to use Wordle as an execution profiler while presenting the profiling section of my performance tuning course in Paris last December. The idea was seeded by presentation that Neal Ford did a few years ago in which he used Wordle to expose the vocabulary of a Java application. Neal took a pile of source code and fed it into Wordle. The result was a word cloud that visualized...
on Jan 9, 2012
I talk about java.lang.ref.* in my performance tuning course because these things (along with anything that implements finalize) are more expensive to create than normal objects and require at least two rounds of GC before you're completely rid of them. Of the bunch, that includes Reference, WeakReference, SoftReference and two other private reference classes that get mixed up with...
on Sep 29, 2011

Education

 In 1996, a group that I was working with devised a development process which we called Defect Driven Design, otherwise known as D3. We were a bit disappointed by not surprised that D3 never really caught on but just recently I saw a glimmer of hope for a revival. It was quite a surprise when about a year ago when Cameron Prudy started telling me about this great methodology called Defect...
on Nov 29, 2011