Databases and Transactions are great, Spring is great, Kotlin/Java are great (ofc. Kotlin is better 😉), simplifying transaction-handling is great. But as we all know, simplifying things almost always creates some new pitfalls if the things that were simplified aren’t fully understood. The Issue The Spring @Transactional Annotation is a powerful tool…

About 5 months ago I ordered a n̵e̵w̵ ̵t̵o̵y̵ ̵f̵o̵r̵ ̵m̵e̵ Christmas present for my son. A Toniebox. It seems there was quite a hype about them at the time since it took almost half a year until it finally arrived, but that is another story. It’s basically a very…

On 16.8.2017 I held a talk at the Technologieplauscherl #50 in Linz. The topic was “Programmer’s Guide to Sound and Music”. You can find the slides here. If you’re interested in slides with speaker notes (they also contain some additional links) and/or the sample files you can find those here. If you understand German, you can also watch me give the presentation on youtube: https://www.youtube.com/watch?v=AAey6ys4eEE&t=2946

When writing modern JavaScript front-ends (independent of your favorite flavor — Angular(JS, 2̶), Ember, React, ThisWeeksNewShiny) you will have run into the requirement to debug some issue. With the typical HTML/JS front-ends getting more and more complex, chances are you are actually hitting this problem more and more — and…

On the 1st and briefly on the 2nd (more on that later) of March I was lucky to attend the Topconf Linz 2017. I had a really great time and talked to lots of awesome people. Talks I visited You can find the full schedule here. (Opening Keynote) Lukáš Ježek — Google’s Load…

Sometimes Boys just wanna have fun… I found my old GameBoy Color and a classic game: Pokémon Gold! Problem: The save-feature no longer worked, when you played, saved, powerd the GameBoy off & on again, there was only the “new game” option, no “continue”. Because of previous internet research I…

Is a database view which responds without an error to a “SELECT * …” query bug free? Sounds simple and obvious, until recently I would not have hesitated to say: Yes, sure. Turns out, it’s more complicated than that. Backstory Recently I ran into exactly this problem. There was a database…

A few days ago I ran into an issue in a rather large application that uses Spring & Hibernate. I found myself debugging an issue where Hibernate tried to update some entities that I had just deleted, the situation was basically like this: Load entities A, B, C of type…

Recently I have been playing around with an idea, after a few discussions with different people, it seems to be a solution in search of a problem though. Let me set the stage for how it started: I was thinking about how it could be made easy to build generic…