Year: 2015
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Enterprise Java
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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Enterprise Java
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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Core Java
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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DevOps
Jenkins to Nexus with Git Polling
Build Binaries Only Once is a very important principle of Continuous Deployment (CD). However that blog guides you to build and deploy binaries to…
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Software Development
Dogma Driven Development
We really are an arrogant, opinionated bunch, aren’t we? We work in an industry where there aren’t any right answers.…
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Core Java
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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Software Development
AWS Lambda: An Introduction
Many parts of a modern infrastructure are inherently event-driven or can be represented with an event-driven model. For example, we…
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Core Java
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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Core Java
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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