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In today's special guest episode, Tom Stuart shows us the benefits of using enumerators as immutable collections.
Sometimes a range doesn't cut it.
In this episode, we'll look at an easy way to find items in a collection with the lowest (or highest) of some attribute. And at how we can apply this …
In today's episode, we'll compare two methods for getting to the body of an email: one imperative; one functional; and both idiomatic Ruby.
Today, some options for getting the first N elements from a list.
Today we look at Ruby's grep method, and explore the idea of matching objects by example.
In this very special episode, guest chef Pat Shaughnessy takes us on a whirlwind tour of the Ruby internals that make the Enumerable#all? method tick.
Today we revisit the Enumerable#reduce method, addressing some viewer feedback about seed values as well as exploring a novel application of reduce for traversing data structures.
Sooner or later you'll need to generate statistics from a collection. In this episode, we look at how to produce min, max, sum, average, median, and standard deviation from a …