20 articles

All articles

18 April 2021 Cloud

Heroku has no serverless functions, but it has one-off dynos. How Axel Pettersson and I turned them into a pay-per-use Function as a Service …

11 October 2020 General, Java

How a team with no AI experience built Traap, a Java and Spring Boot application mapping travel times, and won the KTH AI Society hackathon …

5 October 2020 General

Mutually exclusive, collectively exhaustive: McKinsey's principle for splitting a problem into clean subsets, and why it is just as useful …

Queues and topics both carry messages between cloud-native services, but they deliver them differently. What each one guarantees, and when …

30 September 2019 General, Java

Five months as a DevOps engineer at Bosch in Tokyo: owning a project end to end as the only developer, the stack I chose, and what Japan …

14 July 2019 Java, Spring

Limit and offset are trivial in SQL and awkward in Spring Data JPA. How to get both out of a repository without writing the query yourself.