Author Archives: Sampo N.

When to hard-code

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

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Backup KeePass2 database on Linux

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

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Hybrid app testing using dynamic DNS

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

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Using Spark with MongoDB

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

Posted in Coding, MongoDB, Spark | Tagged , | 17 Comments

CoffeeScript woes

I recently wrote a piece comparing CoffeeScript, TypeScript and Dart.  For the UI component of Wellmo, we decided upon using CoffeeScript.  While this has been a great leap from JavaScript, we’ve had our share of setbacks.  Here’s a few issues … Continue reading

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Modifying the pace of audiobooks

I’ve recently started listening to audiobooks.  They’re a convenient way to enjoy books on your way to work or while driving.  After listening to Mika Waltari’s The Egyptian, I took on The Hunger Games, read by Carolyn McCormick. Like many … Continue reading

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Testing visual appearance with Cucumber + Watir

One of the great things about Cucumber and Watir is that it allows you to write functional tests that are decoupled of the UI.  By using page objects, the definition of how the UI works is decoupled from the tests … Continue reading

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