Blog

Enhancing shapefiles with metadata extracted from the Geonames database, mixing simple Ruby and Python scripts along with PostgreSQL’s PostGIS extension.

Thoughts on agile methodologies in software development.

Facilitating the development of prototypes for ONE health by bringing together human and animal health experts with hackers in Epihack Tanzania 2014.

Introducing: hg-to-git

This post is in Spanish as it refers to a tutorial on speech recognition written in Spanish in the context of a master thesis in Computer Science at FCEN-UBA. Nevertheless, the code and its documentation is in English, so feel free to check it out...

Last month I started working on my master thesis in the context of Manas Research. The idea for this research is to contribute with Farm Radio International (an organization that works with many partners in Africa to deliver effective programs to serve...

Among the client certificates present in an HSPD-12 smart card, you may find a Windows Smart Card Login certificate used for authentication, which has several particularities, one of them being storing the Subject Alternative Name (this is, the Windows...

It is known that instantiating ActiveRecord objects is slow. When querying, most of the time it’s necessary to instantiate them so we can invoke their methods or navigate their relationships. When you need to do a custom select with a group by you...

Ever since Rails 3.1 adopted coffeescript within the asset pipeline as a default, coffescript has become an increasingly popular language for easily writing your javascript code. Despite a lot of tutorials out there on how to write coffee and take...

Rails provides several handy options for specifying how to deal with associated models upon deletion, for example: class Blog has_many :posts, :dependent => :destroy end The destroy value for the dependent option will call the destroy method for...