Virtually every single site that I had made have a form that asks for the user’s city and state. It’s a simple thing, omnipresent in almost any website, but oddly there’s no library to deal with that. Maybe its a regional need, specific to my country, IDK, I just know that is very usual to… Read More


CodeFly is a gem that I made, that allows you to do parallel / asynchronous programming in Rails. This is how a classic code looks like:

This is how a flied code looks like:

The first code will take 2.5 sec, but the second will take only 1.5, almost the twice of speed.… Read More