Is there any tutorial on Ruby (not from scratch)?

Question

ruby

The point is that I already know java(se | ee), php, js.
now I would like to get acquainted with ruby ​​(writing servers on ROR, etc.).
What textbook can you advise, so that it is no longer straight from the very basics (what are variables, what are they for).

It is necessary to get acquainted with the syntax of Ruby, the hallmarks for a Java developer and RoR.

Answer 1

Here is an introduction to the syntax