I like to use Rollbar 's default plan for small apps or prototypes that are wip. Getting production exceptions in my inbox can be quite useful but most of them are actually 404s - sure there are a multitude of ways for filtering out the noise ([Fail2Ban](https://www.digitalocean.com/community/tutori ...
We all know that for a rather large Rails app where the front-end is quite stuffed, the asset pre-compilation and more importantly - development mode changes are far from instantaneous.
The front-end we're referring to is the kind that makes heavy use of sass, sass libraries (Compass, Bourbon, etc.) and transpiled Ja ...
Ruby's standard library and Rails's PostgreSQL adapter use by default version 4 UUIDs. This can be changed in Rails migrations via:
param whereas Ruby's stdlib only supports version 4.
Another interesting difference is in the implementations: