Double Shot #2233

Developer On Call - Why developers should be on call, and what they can do to make it easier.
Firefox Profilemaker - Tool to help disable FF features & settings that you prefer to get rid of.
How Fast is Ruby 2.6.0preview3 for Discourse? - Benchmarking the next Ruby version.
Ruby Memoization and Alternatives - Avoiding premature optimization is a good thing.
Reasons to Scale Horizontally - There are many.
Look ma, no locks - Replacing locks with tasks.
GraphQL Editor - Visual editor for GraphQL schemas.
Ruby 2.6.0-rc1 Released - It won't be long now.