mapping

5 min

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

disease surveillance

20 min

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

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...

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...