Java
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A Simple Map Iterator Performance Test
There are many dimensions of Java Map performance to measure, but a critical one is simple single-threaded scanning. Here is…
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Testing Spring Data + Spring Boot applications with Arquillian (Part 1)
Spring Dataâs mission is to provide a familiar and consistent, Spring-based programming model for data access while still retaining the…
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End to end BPM (with a splash of DMN)
Red Hat Summit next week is shaping up to be one of the best ever! And if you are a Drools…
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[EBOOK] Top 10 Java Performance Problems
Interested to learn more? Then you should download the relevant ebook here. Most performance issues in Java can be attributed…
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Apache Spark RDD and Java Streams
A few months ago, I was fortunate enough to participate in a few PoCs (proof-of-concepts) that used Apache Spark. There,…
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Java 9 Module System (Jigsaw) @ LJC’s HackTheTower
Today we spent half a day, on our first HackTheTower event. Members of London’s Java User Group (aka LJC), gathered on the…
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Setting multiple Java JRE/ JDK on MacOSX using brew, cask and jenv
Yesterday at the Java9, Jigsaw HackTheTower event, I realized that I need to step up my game and improve my existing…
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Spring Boot, @EnableWebMvc And Common Use-Cases
It turns out that Spring Boot doesnât mix well with the standard Spring MVC @EnableWebMvc. What happens when you add…
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Spring Web-Flux – Functional Style with Cassandra Backend
In a previous post I had walked through the basics of Spring Web-Flux which denotes the reactive support in the web layer of…
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