Author Archives: Sampo N.
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
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
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
Many applications use the current time in their functionality. For example, they can show data for a certain period of time or show the current date within the application. Writing functional tests for such applications can be tedious. How do … Continue reading
With the prevalence of smart phone cameras today, they are often used instead of scanners as quick digitization methods for documents. Unfortunately this leads to excessive vignetting (darkened areas at the edges), which makes it hard to print the document … Continue reading
Software often requires two or three iterations before you get it right. In our case this led to starting a rewrite of our hybrid mobile application. It had been developed over several years by a diverse group of people with … Continue reading
Amazon t1.micro instances are the most affordable EC2 instance types. Their distinctive feature is that while allowing short bursts of high CPU power (around double that of a m1.small instance), but very soon throttle the CPU usage significantly. Therefore they are … Continue reading