Use JS2015 (former ES6) on regular web pages with Babel and Browserfy with these 5 simple steps. Our files:

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So you have an Angular application running on a domain (http://myfabulousapp.com) and the Rails API running on another domain (http://api.myfabulousapp.com). It’s all working well, but now you want to implement authentication using Devise. How do you do this?… Read More


Let’s say you have a product model and wants to insert a picture on it. Unfortunately Rail’s Active Record doesn’t provides a native way to work with binary fields. We can easily add a string field, for example, but we can’t add a file field. Dragonfly is a gem that extends ActiveRecord, allowing to have… Read More


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