Ruby

Introduction

Ruby is a dynamic, reflective, interpreted high-level programming language with strong dynamic typing, a garbage collector and an operating-system independent thread implementation. Syntactically it is close to Perl and Eiffel; its object-oriented approach comes from Smalltalk.

Everything on this site about Ruby is listed below: the basics page, the 50-lesson course, the install guides and the external materials.

Basics
Ruby basics: irb, puts and sockets
Ruby course: zero to hero in 50 lessons
What is Ruby and where it runs
Install Ruby and check the version
irb: the interactive shell
Your first Ruby script
Variables
Numbers
Strings
Symbols
Truthiness: only false and nil
Conditions
Loops
Arrays
Hashes
Ranges
Methods
Blocks, procs, lambdas
String tools
Files and IO
Exceptions
Modules and mixins
Classes and objects
Inheritance
Enumerables
Duck typing and core idioms
Gems and Bundler
Testing with Minitest
Debugging
Encodings
Time and date
JSON and YAML
HTTP clients
Sockets
REST APIs
puts, print and p
Metaprogramming
Enumerators
Pattern matching
Arguments: splats and kwargs
Rake tasks
Environment and CLI
Logging
CSV
ERB templates
WEBrick server
Rails in one lesson
Capstone: todo CLI
Capstone: JSON API
Performance
Modern Ruby tour
Hero roadmap: the whole course on one page
Threads and fibers
Installing Ruby
Install Ruby on Windows 11
Install Ruby on Ubuntu
Install Ruby on Rocky Linux
Install Ruby on macOS
Install Ruby on FreeBSD
Ruby in Docker
External materials
Установка и настройка Ruby on Rails
Первоначальная настройка Redmine

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