Engineering DevOps hackathon Session 2: Basics of Chef

This session assumes that you have done some work with Vagrant. Otherwise I would advice to visit my session 1

Software Map, Flatmap and Reduce are Your New Best Friends: Simpler Collections, Concurrency, and Big Data...

Higher-order functions such as map(), flatmap(), filter() and reduce() have their origins in mathematics and ancient functional programming languages such as Lisp. But today…