What Happens When You Mix Java with a 1960 IBM Mainframe

As an engineer for the U.S. Digital Service, Marianne Bellotti has encountered vintage mainframes that are still being used in production — sometimes even powering web apps. Last month she entertained a San Francisco audience with tales about some of …

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Measuring Time: From Java to Kernel and Back

Problem Statement Even the most basic problems become interesting when you dig deep enough. Today, I would like to do a deep dive into measuring time in Java. We will start with the very basics of the Java API and gradually move lower in our stack: throug... (more…)

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