My eldest kid – 11 at the time of writing – has been into Minecraft for some time now. I tried to motivate him on various ages to do some kinda programming with me. We tried Scratch, Lego Mindstorms (one of the few sets that is gathering dust) and a couple of other things. We […]
A couple of weeks ago, I received a paper copy of “Hacking with Spring Boot 2.3 – Reactive Edition” by Greg L. Turnquist. Greg sent this copy to me free of charge for a review. Thanks for that! I’m happy about the opportunity to read a new Spring Boot book after I published one myself […]
TL;DR: Don’t use Open Session in View with a Neo4j-Cluster If you use Spring Data Neo4j and Neo4j-OGM in your Spring Boot application connectect against a Neo4j cluster (via bolt+routing://, neo4j:// or multiple bolt-uris), configure spring.data.neo4j.open-in-view explicitly to false like this: spring.data.neo4j.open-in-view=false What is Open Session in View? Vlad Mihalcea has written extensive amounts about […]
Over the last weekend, I had some time on my hands and revisited my biking application: https://biking.michael-simons.eu. That application turned 10 this year, started as a Sinatra based Ruby application in 2009 and helped me a lot from the late 2013 and early 2014 in my career. Back then, I was using Spring for a […]
Sometimes my teammate Gerrit teases me “Don’t you know this and that as a Java Champion?”… Of course I don’t. Honestly, the older I get, the better I know that I know nothing. This week has been interesting. At first, I stumbled upon something like this A shortcut to System properties public interface Stuff { […]