Software Development – Mauro Morales

Using a Hackathon to Stress Test Your Development Process

September 28, 2020Software DevelopmentAgile, LeanNo Comments

A hackathon’s value proposition is generally one of innovation. Companies see these events as an investment to come up with new products. However, I just recently found out they are also a great way to to teach us about existing flaws in our software...

ActiveRecord Except

September 6, 2020Software DevelopmentActiveRecord, Ruby on Rails, SQLNo Comments

August 19th was Whyday, and to commemorate it, I decided to write a gem called activerecord-except. What is it? activerecord-except is a Ruby gem that extends the functionality of ActiveRecord, allowing you to select all the fields from a table, except the ones that...

Running a Patched Ruby on Heroku

June 12, 2020Software DevelopmentHeroku, PaaS, RubyNo Comments

You use a PaaS because you want all the underlying infrastructure and configuration of your application to be hidden from you. However, there are times when you are forced to look deeper into the stack. In this article I want to share how simple...

Ruby’s DATA Stream

May 4, 2020Software DevelopmentRubyNo Comments

The STDIN and ARGF streams are commonly used in Ruby, however there’s also the less popular DATA one. This is how it works and some examples in the wild. How to Read from DATA? Like with any other stream you can use gets and...

Big-Tech Doesn’t Mean Good Software

January 18, 2020Software DevelopmentBig-TechNo Comments

One of the hassles of moving abroad, is that you need to change the country of some of your digital accounts. As a user, you expect this process to be straight forward, specially if we’re talking about a big tech company, but let me...

Numbered Parameters in Ruby 2.7

April 23, 2019Software DevelopmentRubyNo Comments

A new feature called “numbered parameters” will see the light of day in the Ruby 2.7 release at the end of the year. What caught my attention was not the feature itself but the mixed reception it got from the community. Block parameters Whenever...

Installing Tumbleweed on the Dell XPS 13

May 2, 2016Software DevelopmentLinux, openSUSENo Comments

This post will show you how install openSUSE’s rolling release, Tumbleweed, on the Dell XPS 13 9350 FHD. Update 2016–06–30: Bios 1.4.4 is out. Update 2016–06–22: The kernel flag is not needed anymore since kernel 4.6 which was introduced around Tumbleweed version 20160612. Update...

Running Multiple Redis Instances

April 25, 2016Software DevelopmentLinux, openSUSE, Redis, SystemdNo Comments

This article will teach you how to run one or more Redis instances on a Linux server using systemd to spawn copies of a service. Installing Redis The easiest way to install Redis in Linux is with your distributions package manager. Here is how...

Profiling Vim

April 5, 2016Software DevelopmentVimNo Comments

I like Vim because it’s very fast. Unfortunately the other day I found myself opening a diff file that took forever to load. The file had 58187 (this number will be important later on) lines in it but I never thought Vim would choke...

Inspecting Ubuntu Systems with Machinery 1.17

January 25, 2016Software DevelopmentMachinery, SUSE, UbuntuNo Comments

The main feature of this minor release is the ability to inspect Ubuntu 14.04 and Docker Containers. No special configuration is required you just need to run the inspect or inspect-container command pointed at the Ubuntu host. In order to add this functionality we...