Watch Avdi Grimm and James Gray demonstrate the art of concise, expressive Ruby code in two classic RubyTapas videos.
Tag: containers
Bust nils with Hash#fetch!
A RubyTapas classic, now free: learn how to use Hash#fetch to catch missing hash keys before they do more damage!
Episode #422: Partial Safe Navigation
Today we learn about why it pays to be judicious in application of the Ruby "safe navigation" operator.
Episode #393: Sort Check
Today we have some fun with Enumerable methods in order to check the sorted status of a list.
Episode #391: Hash Subset
A new feature in Ruby 2.3 makes it easier to compare hashes by value.
Episode #388: Inverted Grep
A new and long-awaited feature in Ruby's Enumerable module.
Episode #378: Fetch Values
In Ruby 2.3, getting multiple Hash values at once got a little more powerful.
Episode #377: Chunk While
Today we'll apply another new Ruby 2.3 feature to a real-world problem.
Episode #376: Arrays To Hashes
Some variations on a semi-common data transformation.
Episode #371: Hash To Proc
A new Ruby feature lets us treat data as behavior!