Java
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JavaFX Tip 17: Animated Workbench Layout with AnchorPane
I recently had to implement a layout for an application where the menu area and the status area could be hidden…
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A JSF List Example
This is an example list application built using JSF 2.0 (JavaServer Faces). The app is a list of todo (to…
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Top 10 Easy Performance Optimisations in Java
There has been a lot of hype about the buzzword “web scale“, and people are going through lengths of reorganising…
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Top 10 Most Common Java Performance Problems
Java performance is an issue of interest for all Java application developers, since making an application fast is as important…
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Apache Cassandra and Low-Latency Applications
Introduction Over the years, Grid Dynamics has had many projects related to NoSQL, particularly Apache Cassandra. In this post, we…
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How JVMTI tagging can affect GC pauses
This post is analyzing why and how Plumbr Agents extended the length of GC pauses on certain occasions. Troubleshooting the underlying problem…
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Do not unit test bugs
Before getting to the topic of the title let’s have a simple programming sample. On the programming task I will…
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Inconsistent operation widen rules in Java
Overview When you perform a unary or binary operation in Java the standard behaviour is to use the widest operand…
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OSGi Service Test Helper: ServiceCollector
OSGi services come in handy for the development of systems based on loosely coupled components. But loose coupling can make…
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