Blog

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...

Default request parameters in Rails functional tests

Pacific Endeavor is a humanitarian communication workshop, organized by the US Pacific Command, which brings together military representatives from all SE Asia, NGOs and industry leaders. Its main goal is to improve the multi-national communications...

Using xmpp for mocking SMS channel in Nuntium

Reuse code, not user experience

After a long time, I have finally finished my thesis to get the MSc in Computer Science degree, from FCEN UBA. It has been almost a year since I started working in the thesis in the context of Manas Research, and before that I had been working on it...

Don’t make me think is a great book about usability and interaction design written by Steve Krug. One of the best things about it is that Steve has used the very same principles he preaches at in his book in the design of its reading experience. The...

One of our Rails applications has to consume an RSS. Nothing fancy here, we simply wanted to extract some fields from each item and store them in the PostgreSQL DB (app was hosted on heroku). Simply slicing the string seemed to work at first: summary

This week we’ve updated nuntium to version 2.8, yay! Aside from some minor bug fixes, nuntium now implements an exponential backoff strategy when a message delivery fails. Previously, it worked like this: A message failed to be delivered. If the...