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Using rlimit (And Why You Should)

I’ve been going through some old notes and came across a reminder of setrlimit(2). This is a C system call that allows an application to specify resource limitations on a number of ...
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Customizing HttpMessageConverters with Spring Boot and Spring MVC

Exposing a REST based endpoint for a Spring Boot application or for that matter a straight Spring MVC application is straightforward, the following is a controller exposing an endpoint ...
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Using Infinispan as a persistency solution

Cross-posted from https://vaadin.com/blog/-/blogs/using-infinispan-as-a-persistency-solution. Thanks Fredrik and Matti for your permission! Various RDBMSs are the de-facto standard ...
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Using Gradle to Build & Apply AST Transformations

Recently, I wanted to both build and apply local ast transformations in a Gradle project. While I could find several examples of how to write transformations, I couldn’t find ...
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An Inconvenient Latency

Overview Vendors typically publish numbers they are happy with, and avoid telling you about a product’s weaknesses.  However, behind the numbers is a dirty secret if you know ...
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R: Calculating rolling or moving averages

I’ve been playing around with some time series data in R and since there’s a bit of variation between consecutive points I wanted to smooth the data out by calculating the moving ...
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Load Balance WebSockets using Apache HTTPD

JBoss EAP 6.3 provides a technology preview of WebSocket and WildFly have supported them as part of Java EE 7 compliance. github.com/javaee-samples/javaee7-samples/tree/master/websocket ...
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JUnit Rules

Introduction In this post I would like to show an example of how to use JUnit Rule to make testing easier. Recently I inherited a rather complex system, which not everything is tested. ...
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An open web application framework benchmark

Selecting a platform for your next application development project can be a complex and burdensome undertaking. It can also be very intriguing and a lot of fun. There’s a wide range ...
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Runtime Class Loading to Support a Changing API

I maintain an IntelliJ plugin that improves the experience of writing Spock specifications. A challenge of this project is supporting multiple & incompatible IntelliJ API versions ...
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