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Enterprise Java
JPA 2.1 Entity Graph – Part 2: Define lazy/eager loading at runtime
This is my second post on JPA 2.1 Entity Graphs. The first post described the usage of named entity graphs.…
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Core Java
Double Checked Locking on Singleton Class in Java
Singleton class is quite common among Java developers, but it poses many challenges to junior developers. One of the key…
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Core Java
Parsing a file with Stream API in Java 8
Streams are everywhere in Java 8. Just look around and for sure you will find them. It also applies to…
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Groovy
Grails tip: refactoring your URLs
On the current project I am working we use a lot of integration tests. For you non-Grails users out there,…
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Enterprise Java
Writing Clean Tests – New Considered Harmful
It is pretty hard to figure out a good definition for clean code because everyone of us has our own…
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Software Development
Yet Another 10 Common Mistakes Java Developers Make When Writing SQL (You Won’t BELIEVE the Last One)
(Sorry for that click-bait heading. Couldn’t resist!) We’re on a mission. To teach you SQL. But mostly, we want to…
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Software Development
The Absolute Basics of Indexing Data
Ever wondered how a search engine works? In this post I would like to show you a high level view…
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Software Development
What Is Special About This? Significant Terms in Elasticseach
I have been using Elasticsearch a few times now for doing analytics of twitter data for conferences. Popular hashtags and…
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Enterprise Java
JPA 2.1 Entity Graph – Part 1: Named entity graphs
Lazy loading was often an issue with JPA 2.0. You have to define at the entity if you want to…
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