Top Answers

1. How can one change the timestamp of an old commit in Git?
   39 votes
2. How to discover number of *logical* cores on Mac OS X?
   10 votes
3. How can I get content type from an ActiveStorage attachment?
   9 votes
4. How do I determine which Devise/Warden strategy was used to authenticate/log in the user?
   4 votes
5. How to set default values in Rails?
   3 votes