Software Engineering
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Improving Java Math Performance with Jafama
Jafama is a Java library that provides fast numeric operations that are replacements for the methods on java.lang.Math. Jafama (Java Fast Math) consists of fast – but not sloppy – counterparts of java.lang.Math treatments, plus additional ones. They are usually about 2-4 (up to 15) times faster, with about 1e-15 accuracy, and handle special cases…
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Improving Java Math Performance with Jafama
Jafama is a Java library that provides fast numeric operations that are replacements for the methods on java.lang.Math. Jafama (Java Fast Math) consists of fast – but not sloppy – counterparts of java.lang.Math treatments, plus additional ones. They are usually about 2-4 (up to 15) times faster, with about 1e-15 accuracy, and handle special cases…
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What is Spark?
We describe a group research project in which we worked to evaluate and port existing machine learning and modeling functionality in HunchLab from R to Spark.
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Determining the Winding of a Polygon Given as a Set of Ordered Points
When working with spatial data one often needs to work with polygons to demarcate bounding areas. One important concept related to this is winding, which defines the relative order in which the vertex points of a polygon are listed. Winding can be either clockwise (CW) or counter-clockwise (anti-clockwise) (CCW), referring to the direction in which…
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Selecting a NAT Instance Size on EC2
In this blog, we describe our experience with selecting a NAT Instance Size on EC2.
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Running Vagrant with Ansible Provisioning on Windows
In this blog we outline how to run Vagrant with Ansible provisioning on Windows.
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Creating Ansible Roles from Scratch: Part 2
A continuation from part 1 in this series, in this post we apply Ansible roles against a virtual machine and install Packer.
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Creating Ansible Roles from Scratch: Part 1
In this post we use ansible-galaxy to install and create Ansible Roles.
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Message Functions
One common functionality for software is the need to provide human readable text messages. This is true of native applications, web applications, and many back-end systems. For applications with a user interface there is often a requirement that these messages be localized, that is, provided to the user in the user’s native language.
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Solving Unicode Problems in Python 2.7
We discuss three steps you can take to begin thinking about strings and unicode the right way.
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Technology Radar 2014
We’re releasing our first Technology Radar. A Technology Radar, pioneered by ThoughtWorks, is a list of the techniques, tools, platforms, languages, and frameworks divided into recommendation levels: Adopt, Trial, Assess and Hold. It’s mostly a list of things we find useful and interesting.