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Core Java
Java Lambdas and Low Latency
Overview The main question around the use of Lambdas in Java and Low Latency is; Does they produce garbage and…
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Agile
Burning Down The House–Agile Remix
Burn-down charts are awesome. They are part of agile’s set feedback loops. Take a look at a burn-down chart, and…
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Groovy
Suis-je Groovy? No! What Pivotal’s Decision Means for Open Source Software
Today there was great news in the JVM ecosystem. Pivotal, the company who is committed to OSS has become a…
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Enterprise Java
EE Servlet 3: Developing User Login with Session and Filter
I have introduced the Application class in my previous post where you can setup backend services. One example service I…
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Groovy
Grails chained select – load data on one dropdown box depending on another
This tutorial will show how to create two select boxes where the second select box’s items are affected by the…
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Groovy
Grails render images on the fly in GSP
This tutorial will show how to generate PNG images on the fly and display inside a GSP. This can serve…
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Enterprise Java
Microservices in the Enterprise: Friend or Foe?
A micro approach to a macro problem? The microservice hype is everywhere, and although the industry can’t seem to agree…
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Software Development
Infinite Loops. Or: Anything that Can Possibly Go Wrong, Does.
A wise man once said: Anything that can possibly go wrong, does – Murphy Some programmers are wise men, thus…
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Core Java
Java Flight Recorder (JFR)
JFR is a Java profiler which will allow you to investigate the runtime characteristics of your code. Typically you will…
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