I’m a leader engineer and manager, currently living in São Paulo, Brazil. I'm an enthusiast technologist that love open source, a blog author in RubySource and my own blog, and also a speaker of some international and national conferences like TakeOff Conf in France, Ruby Italian Day in Italy, GURU, SevenMasters and others.
João M. D.'s articles
Sigma: Rankings Made Right!
In case you missed it, I’ve been deepely involved with rankings in the past months. Look here, here and here for examples. (it’s in portuguese, sorry about that…) Rankings may not seem so important or interesting, but if we take a closer look at applications around us, we can see how it is being used […]
Network Architecture Based on Gaming
What exactly is network architecture and what does it represent in web app development? Why discuss Network Architecture these days? Those might be some of your questions after reading the title of this article, and this just supports the point that I’ll explain in this post. Network Architecture What is It? There are a lot […]
Rankings: You’re Doing It Wrong!
We have seen a lot of rankings in our lives, not only in WebApps but also in different media. Often the ranking is part of a gamification feature. But, is it being really effective? In fact, the majority of ranking implementations are wrong, and can even make your application less attractive. It’s difficult or downright […]
Gioco: The Gamification Gem
In the past two years I’ve heard a lot about new marketing techniques, and how they can be applied in web development. One of the most well known techniques these days is gamification. This article explains what gamification is and how you can use it with a new gem. What is Gamification? It’s a technique […]