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Enterprise Java
Score DRL: faster and easier in OptaPlanner
For OptaPlanner (= Drools Planner) 6.0.0.Beta1, I ‘ve replaced the ConstraintOccurrence with the much more elegant ConstraintMatch system. The result…
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Enterprise Java
Java EE CDI bean scopes
Contexts and Dependency Injection (CDI) for the Java EE platform is a feature that helps to bind together the web…
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Enterprise Java
Spring MVC Session Tutorial
Session management is one of essential parts for each web application. Since Spring MVC is a powerfull framework for a…
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Enterprise Java
JPA – Hibernate – Type mapping on package level
When we are finally mature enough to use some custom types mapping in JPA, we usually stuck with some provider…
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Groovy
Detecting Java Threads in Deadlock with Groovy and JMX
Unfortunately, Java applications taking advantage of multiple threads can at times run into the dreaded deadlock condition. Fortunately, the Java…
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Career
Why You Make Less Money
Have you ever had a conversation with a fellow technologist that you felt wasn’t quite at your skill level, and…
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Scala
Synchronizing transactions with asynchronous events in Spring
Today as an example we will take a very simple scenario: placing an order stores it and sends an e-mail…
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Software Development
How to Design a Good, Regular API
People have strong opinions on how to design a good API. Consequently, there are lots of pages and books in…
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Enterprise Java
ActiveMQ Message Priorities: How it works
There’s usually a steady drip of questions on the mailing list surrounding ActiveMQ’s message-priority support as well as good questions…
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