Java
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Execute Custom queries in Activiti
(This will probably end up in the user guide of the Activiti 5.15 release, but I wanted to share it…
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sun.misc.Unsafe and off heap memory
The class sun.misc.Unsafe allows you to many of the things you shouldn’t be able to do in Java, but are…
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Using an Embedded Tomcat with Maven tomcat plugin
When developing a java web application using the Eclipse WTP, we need to have an installation of tomcat in the…
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Testing Spring components with Mockito
Be able to unit test your spring components without the need of loading the full spring-context with its ad-hoc test…
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How to estimate memory consumption?
This story goes back at least a decade, when I was first approached by a PHB with a question “How…
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Specifying Gradle Build Properties
Properties are a valuable tool for easily customizing Gradle builds and the Gradle environment. I demonstrate some of these approaches…
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Primefaces DataTable Lazy Loading with pagination, filtering and sorting using JPA Criteria, @ViewScoped
Primefaces datatable lazy pagination works, but I was really frustrated after searching for a full example using Criteria in the…
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The Gradle Interface: Gradle Build Metadata
As I’ve shown in previous posts such as “Identifying Gradle Conventions” and “Evolving Gradle Build from Ant Build: Importing Ant…
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Java 8 Friday Goodies: Lambdas and XML
At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…
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