Double Shot #1876

Is group chat making you sweat? - Jason Fried reflects on a decade of experience with Campfire. And yes, I've seen group chats grind a group down to nothing.
Faster Rails: Indexing Large Database Tables Without Downtime - A good reminder that migrations can be improved if you use database-specific features.
Rails 4.2.9 has been released and Rails 5.1.2 has been released - A couple of small updates, including the last of the 4.2 series. Have you started upgrading yet?