Unary Operators, Writing fast Ruby, each_with_object, ES6 Transpiler and HStore

Dokkufy, Rails Helpers, JRuby, Xiki and DHH code review

Happy Birthday `Murica. Rails security, modular migrations and N+1 with custom Arel

Test-induced design damage, Frocking the console, Advanced Rake and Mutation Testing

The internet is heartbleeding plus exciting rails 4.1 features. With special guest Nathan Hessler.