ORMs promise to simplify persistence, but in practice, they introduce recurring problems.

Search functionality is so ubiquitous in any web app that at some point you start asking yourself if it can be done any easier. Introducing CrOp, a lightweight, zero dependency, and type-safe wrapper around Java Persistence Criteria API, which simplifies building queries, particularly useful within REST SQL (RSQL) context.

Feature toggle is a technique that helps to change the system’s behavior without altering the code. It’s interesting how stories around it vary from the catastrophic failure of the Knight Capital Group^[1] to the stellar success of the first GPS satellite^[2]. In the following article, we’ll see a more typical example that all engineers have to deal with.

Writing unit tests might be challenging, especially when dealing with an ongoing project with already established hard-to-break anti-patterns.