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.

Software Development
Lukas EderMarch 13th, 2015
0 83
Yak Shaving is a Good Way to Improve an API
Yak Shaving (uncountable): (idiomatic) Any apparently useless activity which, by allowing you to overcome intermediate difficulties, allows you to solve…
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Groovy
Lukas EderMarch 12th, 2015
0 49
Integrating jOOQ with Grails Featuring the UWS-jOOQ Plugin
Introduction Grails is a web framework aimed to boost development productivity. One of the main features is domain centric database…
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Core Java
Lukas EderMarch 9th, 2015
0 20
The Java Legacy is Constantly Growing
I’ve recently stumbled upon a very interesting caveat of the JDK APIs, the Class.getConstructors() method. Its method signature is this:…
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Core Java
Lukas EderMarch 9th, 2015
0 61
Avoid Recursion in ConcurrentHashMap.computeIfAbsent()
Sometimes we give terrible advice. Like in that article about how to use Java 8 for a cached, functional approach…
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Software Development
Lukas EderMarch 4th, 2015
0 49
How to use SQL PIVOT to Compare Two Tables in Your Database
This can happen ever so easily. You adapt a table by adding a new column: …
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Software Development
Lukas EderMarch 3rd, 2015
1 64
How to Extract a Date Part in SQL
The Modern SQL Twitter account (by Markus Winand) published a hint about how to extract a date part in SQL:…
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Software Development
Lukas EderMarch 2nd, 2015
0 32
jOOQ vs. Slick – Pros and Cons of Each Approach
Every framework introduces a new compromise. A compromise that is introduced because the framework makes some assumptions about how you’d…
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Core Java
Lukas EderFebruary 24th, 2015
0 15
Thou Shalt Not Name Thy Method “Equals”
(unless you really override Object.equals(), of course). I’ve stumbled upon a rather curious Stack Overflow question by user Frank: Why…
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Software Development
Lukas EderFebruary 20th, 2015
0 57
“NoSQL Injection” – What 40000 Unsecured MongoDB Databases Mean for our Industry
The news is all over reddit… Major security alert as 40,000 MongoDB databases left unsecured on the internet Security is…
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