Today I Learned
&
(ampersand) in closures- Accessing an Element in a Multidimensional Array
- Blocks, Procs, Lambdas: Many Similarities, Some Differences
- Destructive Methods & Bang
!
Suffix - Making Sense of Equality in Ruby
- Mutating and Non-Mutating Methods
- Parallel Assignment
- Variables initialized inside a Method are Unavailable everywhere else
- What are
break
andwhile
's Return Values? - Which Scope for Local Variables with Methods or Blocks?