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Groovy
Grails Tutorial for Beginners – HQL Queries (executeQuery and executeUpdate)
This Grails tutorial will teach the basics of using HQL. Grails supports dynamic finders which makes it convenient to perform…
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Enterprise Java
Hibernate locking patterns – How does Optimistic Lock Mode work
Explicit optimistic locking In my previous post, I introduced the basic concepts of Java Persistence locking. The implicit locking mechanism…
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Enterprise Java
Learning Netflix Governator – Part 2
To continue from the previous entry on some basic learnings on Netflix Governator, here I will cover one more enhancement…
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Enterprise Java
SSL with WildFly 8 and Undertow
I’ve been working my way through some security topics along WildFly 8 and stumbled upon some configuration options, that are…
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Android Core
Display a string list in an Android ListView
Showing a list of items is a very common pattern in mobile application. This pattern comes up often when I…
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Enterprise Java
Self-Signed Certificate for Apache TomEE (and Tomcat)
Probably in most of your Java EE projects you will have part or whole system with SSL support (https) so…
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Enterprise Java
NoSQL with Hibernate OGM – Part one: Persisting your first Entities
The first final version of Hibernate OGM is out and the team recovered a bit from the release frenzy. So…
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Software Development
Development Horror Story – Release Nightmare
Everyone has good stories about releases that went wrong, right? I’m no exception and I have a few good ones…
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Core Java
Java8 Lambdas: Sorting Performance Pitfall EXPLAINED
Written in collaboration with Peter Lawrey. A few days ago I raised a serious problem with the performance of sorting…
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