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  • #general

    2 min read · March 2024

    About side projects

    There is something about writing code for me and no one else. It just feels different, it feels great.

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  • #how-to

    5 min read · June 2023

    How to deploy Apache Superset with Dokku?

    Deploying Apache Superest via Dokku—git deployment, nginx, SSL out of the box

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  • #how-to

    1 min read · December 2021

    How to find the PID of a process using a specific port

    To find out what processes are using a specific port, use lsof. lsof -i :PORT

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  • #how-to

    1 min read · May 2021

    How to cleanse your AWS bill

    Ever wondered what a black hole looks like? My AWS Billing—or yours—might be one of the closest things to a black hole on earth.

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  • #ruby

    3 min read · February 2021

    Why avoid too many abstractions in tests?

    Too many abstractions for our test code is like highlighting every single word of the book you're reading. You'd only want to highlight the most important parts right?

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  • #ruby

    3 min read · October 2020

    I don't use nil

    NoMethodError: undefined method 'excerpt' for nil:NilClass

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  • #ruby

    3 min read · August 2020

    When objects become super objects

    Comments to my past self about a basic principle of OOP.

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  • #why-not

    1 min read · May 2020

    Use constants to specify the version of your gem

    When developing gems or external libraries we frequently write the semantic versioning as a string.

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  • #why-not

    1 min read · May 2020

    Use error objects instead of strings

    [...] we tend to write a lovely: raise 'some error explanation'

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  • #rails

    4 min read · April 2020

    Do you use form objects in your Rails apps?

    Introducing yaaf, a gem to ease the usage of the form object pattern in rails apps.

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I'm Juan Manuel Ramallo.

Find me in github, twitter and linkedin, or just send me an email to juanmanuelramallo@hey.com.