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Author Archives: Sampo J.
A couple of years ago I did some benchmarking on the AWS t1.micro instances. The t1.micro was AWS’s first performance burstable instance type, which are appropriate for non-continuous CPU usage. The CPU allocation of the t1.micro is not specified anywhere. In practice the throttling … Continue reading
Hard-coding is generally considered an anti-pattern and abhorred by experienced developers. Input and configuration data should be externalized from the code, or at the very least parametrized to a language constant. While working at Wellmo, I’ve come to reconsider this … Continue reading
There are several instructions on how to use the KeePass2 trigger mechanism to create a backup of your password database when saving the database. However, all of the instructions I found were for Windows. It took a bit of figuring … Continue reading
Hybrid apps simplify implementing cross-platform mobile applications in many ways. You only need to write the HTML once, and it should work on all platforms. However, you still need to test those platforms. At Wellmo, we do most of our … Continue reading
I recently started investigating Apache Spark as a framework for data mining. Spark builds upon Apache Hadoop, and allows a multitude of operations more than map-reduce. It also supports streaming data with iterative algorithms. Since Spark builds upon Hadoop and … Continue reading