About Lukas Eder

Lukas is a Java and SQL enthusiast developer. He created the Data Geekery GmbH. He is the creator of jOOQ, a comprehensive SQL library for Java, and he is blogging mostly about these three topics: Java, SQL and jOOQ.

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The Power of Spreadsheets in a Reactive, RESTful API

Being mostly a techie, I’ve recently and admittedly been deceived by my own Dilbertesque attitude when I stumbled upon this buzzword-filled TechCrunch article about Espresso Logic. ...
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The 10 Commandments of Programming

Patterns 34:29 As Turing descended from Mount Compute – with the two iPads of the testimony in his hands as he descended the mountain – he did not realize that the skin of his blog ...
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Please, Run That Calculation in Your RDBMS

There’s one thing that you can do terribly wrong when working with RDBMS. And that thing is not running your calculations in the database, when you should. We’re not advocating ...
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Java 8 Friday Goodies: SQL ResultSet Streams

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged ...
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Java 8 Friday Goodies: Easy-as-Pie Local Caching

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged ...
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How to Eliminate Bugs Through High Cohesion

Intuition tells us that methods like these ones suffer from a distinct code smell:                     CompilationTask getTask( ...
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An Open Source License to Increase Your Street Credibility

Many of us geeks don’t really care about users, tractions, etc. when we spam GitHub with our little toy projects. I mean, who knows if we really have the time to maintain them? Certainly, ...
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Why Embracing Legacy is Wise

Legacy isn’t sexy. When hearing “legacy”, people think of COBOL. Those good old days when people talked to machines like they would talk to robots. But COBOL is not the only type ...
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The JDBC Boolean Compatibility List

Interestingly, boolean types have been introduced only late in the SQL standard, namely in SQL:1999. Even today, not all databases natively support BOOLEAN or BIT types. Most importantly, ...
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Java 8 Friday Goodies: Local Transaction Scope

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged ...
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