Tools & Methods

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Build Driven Deployment – The New Hotness Coming to a Dev Team Near You

Test Driven Development, Behaviour Driven Development, Extreme Programming and many other new-age hippie methodologies have spread through the dev world like...

0 replies - 6 views - 01/22/13 by Douglas Rathbone in Articles

Plotting Gaussians, Including Univariate, Multivariate and Linear Models

While working on Bayesian Networks in a continuous space, I'm plotting lots of Gaussian distributions representing prior, likelihood and posterior functions....

0 replies - 4 views - 01/22/13 by Daniel Korzekwa in Articles

How Partitioning, Collecting, and Spilling Work in MapReduce

The figure below shows the various steps that the Hadoop MapReduce framework takes after your map function emits a key/value output record. Please note that...

0 replies - 3 views - 01/22/13 by Alex Holmes in Articles

Introduction to In-Memory Data Grid: Main Features

It is not a new attempt at all to use main memory as a storage area instead of a disk. You can find in your daily life many cases in which Main Memory...

0 replies - 8 views - 01/22/13 by Esen Sagynov in Articles

Prediction API: Machine Learning from Google

Introduction One of the exciting APIs among the 50+ APIs offered by Google is the Prediction API. It provides pattern matching and machine learning...

0 replies - 7 views - 01/22/13 by Istvan Szegedi in Articles

OSX, Chrome, and DNS

Everything in getting my personal site setup went fairly smoothly, including updating my registrar’s DNS records to point my domain name...

0 replies - 4 views - 01/22/13 by Alex Holmes in Articles

A Unified Theory of Software Karma

I make a lot of jokes at work about code review karma.  Here's the idea: each time a person volunteers to review others' code, that person build their...

0 replies - 1414 views - 01/21/13 by Cody Powell in Articles

ScalaTest a MapReduce using Akka

For people in hurry here is the MapReduce with ScalaTest and Akka code and stepsI was trying to learn Scala and I wanted to kill several birds...

0 replies - 540 views - 01/21/13 by Krishna Prasad in Articles

Hadoop Single Node Set Up

With this post I am hoping to share the procedure to set up Apache Hadoop in single node. Hadoop is used in dealing with Big Data sets where deployment...

0 replies - 143 views - 01/21/13 by Pushpalanka Jay... in Articles

Infrastructure Automation and the Cloud

As I write this, I’m sitting in a half-empty office in London. It’s half empty, you see, because it’s snowing outside, and when it snows in London, chaos...

0 replies - 916 views - 01/20/13 by James Betteley in Articles

Dealing with Exceptions, Logging and Displaying Error Messages

I have a client who is very firm on the idea that the user should know what went wrong when exceptions are thrown. So we're displaying error messages...

1 replies - 1904 views - 01/19/13 by Jonas Gauffin in Articles

Etsy's Code as Craft: "Moving Fast at Scale"

Etsy Labs' fantastic Code as Craft series explores Etsy's strategies for moving fast at scale: etsy on livestream.com. Broadcast Live Free

0 replies - 1927 views - 01/19/13 by Eric Gregory in Articles

Data Management, AML, and KYC Analytics

To roadmap Wall Street priorities for 2013, we have been having an interesting set of meetings recently with MDs and leading architects in various banks and...

0 replies - 1038 views - 01/19/13 by Ravi Kalakota in Articles

Building SOLID Databases: Introduction

The SOLID design approach is a set of principles developed in object-oriented programming.  This series will explore the applicability of these principles...

0 replies - 2019 views - 01/19/13 by Chris Travers in Articles

Frankensystems, Half-Strangled Zombies, and Other Monsters

There are lots of ugly things that can happen to a system over time. This is what the arguments over technical debt are all about – how to keep...

0 replies - 1371 views - 01/18/13 by Jim Bird in Articles