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
A software project can become “legacy” just after three months from its inception. I’ve recently seen many projects that look OK on the surface, but are in fact so “broken”,Continue reading
You will find a lot of posts and stackoverflow answers telling you how to pretty-print JSON responses. But sometimes you may need to tune the “prettiness” per request. The useContinue reading
A pretty typical setup – spring/hibernate application that requires a distributed cache. But it turns out not so trivial to setup. You obviously need cache. There are options to doContinue reading
Most of us have passports, and most of these passports are by now equipped with chips that store some data, including fingerprints. But six months ago I had no ideaContinue reading
A few months ago I wrote a piece in defence of monoliths and then gave a talk about it. Overall, one should not jump to microservices, because the overhead andContinue reading
I’ve written a lot about testing. Some tips on integration tests, some how-tos, some general opinions about tests. But I haven’t told my “personal story” about testing. Why are testsContinue reading
Performance is a mystical thing our systems must have. But as with most things in software engineering, there is no clearly defined set of steps that have to be followedContinue reading