Ruby Hash Shortcut Syntax
Why say something twice, when you can say it just once? In this episode by Noel Rappin, co-author of Programming Ruby 3.3, you’ll learn a…
Ruby Pattern-Matching Assertions with the “in” Operator
The topic of this video might not be the most obvious application of Ruby’s pattern-matching features, but it’s a quick, expressive win!
New Video: Unary Operators in Ruby
Recently I ran across a social media post about some seemingly-bizarre Ruby behavior, and I decided it would make a great jumping-off point to talk…
Unary Operators in Ruby
A bit of seemingly-nonsensical Ruby behavior leads us to a discussion of unary operators, parsing heuristics, and the vital importance of whitespace.
Ruby Block-Local Variable
Ruby’s variable-scoping rules can be a little surprising if you’re coming from a C-like language. Learn how to introduce variable “shadowing” to Ruby blocks, and…
Ruby Sequencing Operator
A question about multiple activities to the left of a statement modifier leads to some language lawyering about control flow, precedence, and semicolons.
Scintillating Ruby
Learn the ins, outs, and gotchas of Ruby's rich syntax and semantics.
Hash Splat Merge
In today's video, learn a concise and expressive syntax for merging several Ruby hashes into one!
Numbered Parameters
In a language full of expressive little shorthands, it's time to meet a new idiom! This one makes simple blocks even more concise.
Composed Regex
Regular expressions can quickly grow to be large, dense, and impenetrable. In today’s episode you’ll learn how Ruby helps you compose them out of …
