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Use JSON with Play and Scala

Once getting your hands into typing scala code using play, the first thing that comes to mind is JSON. Without doubt JSON is one of the most basic components of web applications. Rest apis use json, your angular app has to consume json and the list goes on. If you are lazy like me, you expect that it is sufficient ...

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SQL Data Access in Play using Scala

Today’s modern application frameworks come with apromise of easy sql data access. There is no wonder why we have so many frameworks that make it easier to issue queries and handle transactions. SQL is the lingua franca of most applications when it comes to databases. Play comes with the JDBC plugin. We encountered the JDBC plugin previously in order to ...

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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 some simple test code for Iterators and the Java 8 Map.forEach() along with some graphical results. 1. Performance Testing is Difficult Performance testing is a notoriously difficult endeavor, and precise repeatable testing requires a framework like the Java Microbenchmarking Harness ...

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Testing Spring Data + Spring Boot applications with Arquillian (Part 1)

spring-interview-questions-answers

Spring Data’s mission is to provide a familiar and consistent, Spring-based programming model for data access while still retaining the special traits of the underlying data store. It provides integration with several backend technologies such as JPA, Rest, MongoDB, Neo4J or Redis to cite a few. So if you are using Spring (Boot) then Spring Data is the right choice to deal ...

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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 or jBPM enthusiast, you will be busy: another top presentation that we have lined up for you comes from a partnership between Signavio and Red Hat. Duncan Doyle and Tom Debevoise will be driving the show on this one with ...

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A Matter Of Perception And Concept

A Personal Experience Last weekend was a hectic one. I had many things planned for both Saturday and Sunday. Saturday, everything went according to plan. Sunday not so much. After arriving, on time, for my hair appointment, I was sat down (with my glass of water and 3 Lindt chocolates) to discuss the details with my designated stylist. Soon we ...

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The Hardest Part of Microservices: Calling Your Services

You’re probably saying “Wait. You already wrote a blog telling me the hardest part of microservices was my data. So what is the hardest part? That? or Calling your services?” There are lots of hard parts of microservices, actually. The blogosphere/conferencesphere/vendorspehere tends to romanticize microservices but from the technology perspective, we’re building distributed systems. And distributed systems are hard. I ...

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