1 min read · December 2021
To find out what processes are using a specific port, use lsof. lsof -i :PORT
1 min read · May 2021
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.
3 min read · February 2021
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?
3 min read · October 2020
NoMethodError: undefined method 'excerpt' for nil:NilClass
3 min read · August 2020
Comments to my past self about a basic principle of OOP.
1 min read · May 2020
When developing gems or external libraries we frequently write the semantic versioning as a string.
[...] we tend to write a lovely: raise 'some error explanation'
4 min read · April 2020
Introducing yaaf, a gem to ease the usage of the form object pattern in rails apps.