PMPavel Myslikinpavelmyslik.hashnode.dev·13h ago · 4 min read3 Action Mailer Features I Didn't Know ExistedA few weeks ago I needed to check something in the Action Mailer docs, just a quick lookup. I ended up spending much more time there than expected and found a few features I had no idea existed, even 00
PMPavel Myslikinpavelmyslik.hashnode.dev·Jun 18 · 4 min readStop Guessing Between .count, .length, and .size in RailsWhen investigating a slow Rails endpoint, it's common to start by looking for N+1 queries, missing indexes, or expensive joins. Sometimes, though, the real culprit is much smaller. It might be hiding 00
