How to build a Ruby hash out of two equally-sized arrays?

Question

I have two arrays

a = [:foo, :bar, :baz, :bof]

and

b = [\"hello\", \"world\", 1, 2]

I want

Answer 1

h = Hash[a.zip b] # => {:baz=>1, :bof=>2, :bar=>"world", :foo=>"hello"}

...damn, I love Ruby.