Lazy Zip

Shiny protons! Infinite streams! Producer blocks! Lazy enumerators! In this video about using a functional style to work with potentially infinite col…

Smaller Objects, Faster Code

Join guest chef Jack Thorne to learn a little about memory architecture in modern CPUs, and how optimizing object size can lead to major performance w…

Group By

Grouping data by various properties is easy in Ruby, and there are more uses for it than you might think...


Write intention-revealing loops with Ruby's Enumerable#cycle method.


Quick, easy, minimal immutable Value Objects in Ruby

Sort Check

Today we have some fun with Enumerable methods in order to check the sorted status of a list.