Must read ruby blog for improve ruby skill set

Learn ruby concepts

https://www.codecademy.com/learn/learn-ruby

Ruby Blog - Blog about Ruby and Ruby On Rails

Protected methods in ruby

Rails console command made easier

For data structure and algorithm

GitHub - aman199002/Data-Structures-and-Algorithms-in-Ruby: This repository contains Data…

For ruby OOPS refer this

Object-Oriented Programming (OOP) with Ruby | Mix & Go

Ruby closure concepts

Closures in Ruby: Blocks, Procs and Lambdas | AppSignal Blog