When the subject of Java modules comes up in online discussions every so often, I get the sense that many people misunderstand what it is that modules are supposed to do. That's understandable, as the name 'modules' does not evoke the precise purpose of t... (more…)

Introduction to Flaky Tests Unit testing forms the bedrock of any Continuous Integration (CI) system. It warns software engineers of bugs in newly-implemented code and regressions in existing code, before it is merged. This ensures increased software reli... (more…)

The proliferation of heterogeneous hardware in recent years has driven us to consider that every system we program, most likely includes a mix of computing elements; each of which with different hardware characteristics enabling programmers to improve per... (more…)

Describe the issue f you have a numeric column in a postgres table with a value of 20000 and you read it 5 times on the 5th read it will read it as 2 instead of 20000. This only breaks if you use t... (more…)

Have you ever wondered how does the HotSpot JVM generate identity hashcodes? (more…)