Java
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Netflix Archaius properties in a Spring project
Archaius Basics Netflix Archaius is a library for managing configuration for an application. Consider a properties file “sample.properties” holding a…
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Integration testing on REST urls with Spring Boot
We are building a Spring Boot application with a REST interface and at some point we wanted to test our…
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Drools 6.2.0.Final Released
We are happy to announce the latest and greatest Drools 6.2.0.Final release. This release in particular had a greater focus…
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A beginner’s guide to JPA and Hibernate Cascade Types
Introduction JPA translates entity state transitions to database DML statements. Because it’s common to operate on entity graphs, JPA allows…
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Prevent ‘No plugin found’ in multi-module maven
Defining a maven plugin on a submodule in a multi-module maven project can give us a ‘No plugin found’ error.…
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Walking Recursive Data Structures Using Java 8 Streams
The Streams API is a real gem in Java 8, and I keep finding more or less unexpected uses for…
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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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Mapreduce in Java8
Wordcount is to Mapreduce what “Hello world” is for rest of the programming world. Recently I have been exploring some…
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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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