Migration to Jekyll
Little by little I am migrating and translating all my texts from old blogs and articles spread across the internet to my old new corner. Many texts are not ...
Posts by Year
2024
Minimizing Gems/Libraries in Ruby on Rails: Keeping Code Within the Repository
When we are developing web systems it is easy to add a new gem or library without thinking much about it. It does what we need, if I’m going to have to creat...
2023
Better ways to identify individual records in Ruby on Rails
When we want to access a specific model record, the easiest way is to use the unique identifier as an access key. By default in SQL databases we have a seque...
About Gravatar
Gravatar, short for “Globally Recognized Avatar,” is a service that allows users to create a profile picture that follows them across the web. Launched in 20...
2014
When we need to search or replace a string inside the DB
What about when I need to find a specific string within a database but I don’t know in which table or column?
The Social Function of Domain Names for Dummies or “Someone registered the domain name that I wanted and don’t use it… Now what?”
The Internet is a space. Virtual, but it’s a space. It has domains, neighbors, addresses… Until recently, we faced a serious problem: the scarcity of IP addr...
2013
Why ruby? Por que Ruby?
This is the first time I’m taking a blog article and translating it into Portuguese. I did this because I consider the reasons listed to be very relevant and...
2012
Placing the 2010 Brazilian Census in PostgreSQL
There are several reasons for wanting to save IBGE 2010 Universe Census data in the Postgres database. One that is more obvious is being able to generate opt...
Joystick mouse using Teensy
I’ve been playing around with physical computing and accepted my first project for a device using a microprocessor. While the component I need to finish this...
OpenLayers and Google Maps vs. Internet Explorer
I was developing my website with maps using OpenLayers as a framework and, obviously, testing and improving everything in Firefox. The reason is very simple:...
2011
A holographic world
A dream… Imagine drawing using a tool like this…
Time travel
Reading this month’s Super Interessante magazine about “destiny” I was presented with the temporal question about the theory of relativity. Not that it’s ne...
2010
PHP Scripts
Just stopped by to leave the information that I made some PHP scripts and made them available on the website www.phpbrasil.com. Here:
2008
Nonsense
Nonsense thoughts transformed into poetry… Or not…