The Mute Design Pattern

Have you been writing a lot of code following the Mute-Design-Pattern™ lately? E.g. try { complex(); logic(); here(); } catch…

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jOOQ Tuesdays: Glenn Paulley Gives Insight into SQL’s History

Welcome to the jOOQ Tuesdays series. In this series, we’ll publish an article on the third Tuesday every other month…

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An Ingenious Workaround to Emulate Sum Types in Java

Before I move on with the actual article, I’d like to give credit to Daniel Dietrich, author of the awesome…

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Dear API Designer. Are You Sure, You Want to Return a Primitive?

Some APIs are set in stone. For instance, the JDK’s. Or public APIs, like the one between a database and…

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Using Oracle AQ via Java 8 Streams

One of the most awesome features of the Oracle database is Oracle AQ: Oracle Database Advanced Queuing. The AQ API…

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How to Detect Slow Queries with jOOQ

Just now, we implemented a nice little feature in jOOQ’s code generator: https://github.com/jOOQ/jOOQ/issues/4974 It detects whenever the jOOQ code generator…

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How to Pattern-Match Files and Display Adjacent Lines in Java

Recently, we’ve published our article about the awesome window function support in jOOλ 0.9.9, which I believe is some of…

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Use JUnit’s expected exceptions sparingly

Sometimes, when we get pull requests for jOOQ or our other libraries, people change the code in our unit tests…

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Impress Your Coworkers by Using SQL UNPIVOT!

I’ve recently encountered a very interesting question on Stack Overflow by an unnamed user. The question was about generating a…

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