Hibernate offers event listeners as part of its SPI. You can hook your listeners to a number of events, including pre-insert, post-insert, pre-delete, flush, etc. But sometimes in these listenersContinue reading
It sounds like something you’d never need, but sometimes, when you distribute end-user software, you may need to install a java program as a Windows service. I had to doContinue reading
There are many ways to work with git. The workflows vary depending on the size of the team, organization, and on the way of working – is it distributed, isContinue reading
After working for a year on the matter, I did a presentation on a small conference about the options for architecture of e-government solutions. A 40 minute talk could notContinue reading
“Identity” is a set of features that allow unique identification of a person and distinguishing them from others. That sounds simple enough, but it turns out to have a lotContinue reading
I’ve been spring-cleaning some devices and the obviousness of the advice in the title seems questionable. I found tons of unused temp files which applications (android apps, desktop applications andContinue reading
In practically every project you’ve used a “dirty hack”. setAccessbile(true), sun.misc.Unsafe, changing a final value with reflection, copy-pasting a class from a library to change just one line of wrongContinue reading
Inserts, updates and deletes. Every framework tutorial starts with these and they are seen as the most basic functionality that just works. But what if two concurrent requests try toContinue reading
As I’ve been researching machine readable travel documents, I decided to do a little proof-of-concept on reading ePassports using an NFC-enabled smartphone (Android). The result is on GitHub, and isContinue reading
We’re building software in hope that some day we’ll leave it and it will live on its own. Or with minor supervision. But the other day when my father askedContinue reading