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Ary Borenszweig's blog

A wild puzzle appeared!

Avoiding ActiveRecord instance creation to boost performance

Nuntium: exponential backoff and new xmpp library

The last day in our old office was my Sweet Fridays turn - so I wanted the dessert to be special

I just updated the rgviz-rails gem to work with Rails 3. It was pretty easy, following the instructions of this site. I also moved the code from Google Code to github, so i can have all my projects under a single tree, and to start using git more...

In our development team we want our testers to start writing cucumber features. I know, BDD, the features should be written before the code, but a tester could later add scenarios which we haven’t previously thought or regression features for bugs...

This past weekend, together with Emmanuel Oga, we’ve been coding a Ruby on Rails application for this year’s Rails Rumble. The idea: in github you can watch some repositories, but later you can’t make a search over those watches. The only search github...

Ok, now you can easily implement a Google Visualization API data source on rails. But… are you still using javascript to render them? Well, you don’t need to do that anymore. Now rgviz-rails supports a pretty simple and powerful way to do it. In your...

So we have this project in Ruby on Rails where we keep track of several reports. Now we need to do some visualizations with all those reports. We analyzed several solutions. One was using Google Fusion Tables but we soon realized it was not an easy...

Building an application to track expenses in one hour using GeoChat