Blog

As an intermezzo in the blog posts regarding my thesis, I’d like to point out an unexpected (or at least, unexpected for me) behaviour in Python’s way of constructing default arguments. Suppose we have the following python class MyClass, with an initializer...

Powerful Google Visualizations for Ruby on Rails

Before going into how to solve the partitioned graph coloring problem using integer linear programming (which is the goal of my thesis), I thought it would be a good idea to actually explain what is the partitioned graph coloring problem (or PCP from...

What is Linear Programming

Making a thesis 2.0

Building an application to track expenses in one hour using GeoChat

Introduction Disclaimer: this section is just happy talking, if you want to get right to the beef, skip it and go right to the beef. Yesterday was a sad day for me. It wasn’t meant to be like that. I began the day with the intention of setting up...

Quick way to test many values in ruby

On the previous post I wrote a few lines on the basic usage of the accepts_nested_attributes_for method in rails models. I strongly recommend reading that post before this one if you haven’t. Although there is a standard way for deleting items, there...

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