Spark is a very popular framework for data processing. It has slowly taken over the use of Hadoop for data analytics. In memory processing can yield up to 100x speed compared to Hadoop and MapReduce. One of the main advantages of Spark is that no more need to write map…

In software engineering, continuous deployment and integration is a growing trend consisting of frequently updating and releasing code via automation. Every change to the codebase is processed trough an automated pipeline: it is tested, and when merged with the main branch, deployed (in this case a new version of your…

Docker is an application allowing to manage Linux containers on top of an existing OS. It provides a virtualisation layer (the Docker Engine) and thus any command and operations ran inside the container remain the same regardless of the OS on which Docker is set up. …

The recent developement in data storage and processing have been motivated by the increasing amount and complexity of data available to individuals and companies. Most of these recent advancements require sophisticated and powerful hardware. Aspiring data scientists must be able to understand and master these new tools. For instance, given…

Large data set with low variance: original dataset: k-nearest neighbours:

OpenCV is an open source C++ library focusing on computer vision launched in 1999 by Intel research. It is written in C++ but bindings in Python and Matlab are available. The project has been supported by Willow Garage since 2008 and is under active development. OpenCV provides tools for many…

When I first started using Xcode for my C++ projects I was a bit overwhelmed by the settings interface; sure I had used Xcode heavily for Objective-C and then Swift project but most of the Build Settings are already set up to run any iOS/macOS app. For C++ however, it…

Armadillo est une librarie template C++ avec une interface très complete pour le calcul matriciel et l’algèbre linéaire. Elle permet de rapidement obtenir un code fonctionel sans compromis sur la performance du language. Ce tutoriel couvre l’installation de cette librarie (sur macOS seulement pour le moment), l’execution de simple code…