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Ruby Gotcha: Environment Variables Are Always Strings

I recently ran into a small but frustrating production bug caused by a common Ruby mistake. I had a feature controlled by an environment variable: DISABLE_THING=false The application restarted …

ruby rails environment-variables feature-flags debugging gotcha

Rename and Copy Multiple Files at Once in Zsh

Here’s a tip to rename multiple files after copying at once in zsh. As a general security practice, it is advised not to git track your secrets of your Rails application like application.yml or …

commandline zsh zmv copy tips

Ruby on Rails Internals

For this talk at DevMeetup, I walked through how Rails works internally - tracing the full code journey from Rack all the way through to Railties. The session covers the entire Rails request lifecycle …

devmeetup event talk slides rails