- Feb 8, 2012 — [Updating Devise Trackable Last User Sign-In Time with Devise Rememberable](/2012/02/08/updating-devise-trackable-last-user-sign-in-time-with-devise-rememberable.html)

Devise has a :trackable \_strategy which updates the user’s last sign-in time, remote IP and increments a counter in the \_User model upon successful logon. This is implemented in...

- Sep 15, 2011 — [Rails Editable Mail Templates w/Preview from 37Signals](/2011/09/15/rails-editable-mail-templates-wpreview-from-37signals.html)

Last time we added custom editable mail templates to our mailers and made them Markdown format [read first]. Awesome. Let’s add a preview to the templates with 37-signals mail\_v...

- Sep 9, 2011 — [Rails: Custom and Editable Mailer Templates in Markdown](/2011/09/09/rails-custom-and-editable-mailer-templates-in-markdown.html)

You love markdown? We do too.

- May 4, 2011 — [Grape: API Authentication w/ Devise](/2011/05/04/grape-api-authentication-w-devise.html)

Now that we have dealt with exceptions in our API we need to provide various methods of authentication. We’re going to be talking grape and devise.