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Core Java
Transforming Collections
Did you ever want to substitute the equals and hashCode methods a HashSet or HashMap uses? Or have a List…
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Android Core
Saving an image in a SQLite database in your Android application
When you start caching data to a local database from your Android application, sooner or later you’ll need to save…
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Enterprise Java
Type Safe Queries for JPA’s Native Query API
When you’re using JPA – sometimes – JPQL won’t do the trick and you’ll have to resort to native SQL.…
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Software Development
Monolithic core vs full microservice architecture
Martin Fowler recently released another article on microservices, specifically about the hype surrounding them. He states that though microservices are…
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Core Java
A Few Thoughts on Unit Test Scaffolding
When I start to repeat myself in unit test methods by creating the same objects and preparing the data to…
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Software Development
Neo4j: The foul revenge graph
Last week I was showing the foul graph to my colleague Alistair who came up with the idea of running…
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Core Java
Puzzler: nested computeIfAbsent
Overview The Java 8 libraries have a new method on map, computeIfAbsent. This is very useful way to turn your…
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Software Development
Rethinking database schema with RDF and Ontology
When I joined the industry 10 years ago, my first project used relational database. After that, my next project also…
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Software Development
Screenshot of the Week: Missing JRE
One of the more frustrating things about Eclipse–at least for some users–is that Eclipse doesn’t come with a Java Runtime Environment…
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