There are situations where some errors can occur. Let’s say you connect to a remote service, like a database or an API over HTTP. An error raised by your client is not always permanent. It might be a network glitch or something else.

I have this situation where I have a huge number of images (about 50 millions, with 3-4 versions of each one), organized in a nested tree of directories, like images/103/045/475/example-{format}.jpg.

I work on a Rails (4.1) application, sitting behind Unicorn and backed by a couple of Sidekiq processes.

I’ve spent an entire afternoon trying to debug an issue we’ve been having with one of our Rails apps.

How to rebuild a Ruby gem with a native extension, after a library or system upgrade?