simple.
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1 min read ·
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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1 min read ·
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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3 min read ·
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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3 min read ·
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3 min read ·
When objects become super objects
Comments to my past self about a basic principle of OOP.
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1 min read ·
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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1 min read ·
Use error objects instead of strings
[...] we tend to write a lovely: raise 'some error explanation'
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4 min read ·
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.