What is Ruby?
Ruby is a programming language
Optimized for programmer happiness, it says.
Made in Japan.
Started in 1995.
Wikipedia page on Ruby
Is Ruby being used?
Ruby is one of the 10 most popular programming languages, according to GitHub in 2018.
Ruby has enjoyed being in the top-10 of the TIOBE index for a 10-year consecutive period.
Who is using Ruby?
Companies in Malmö who are using Ruby, as an incomplete list:Axis Boostified Bredband2 Castle eCraft M3 Solutions Foo Café Hero Gaming Jayway Joint Academy / Arthro Therapeutics Mokini Marketing Automation for eCommerce Protetiko Qgroup RankTrail Upptec
Where can I learn to program Ruby?
The Ruby language homepage has a 20-minute tutorial, designed to explore the language: Ruby in Twenty Minutes.
The Rails Girls Guides are especially good, being detailed at all levels. They include how to get started on macOS, Windows and Linux.