36:08RubyConf 2019 - The Singleton Module and Its Pattern In Ruby by Mike CalhounConfreaks2.3K viewsView & Download
1:15:333. Classes and modules. Singleton class. ( in Russian language )Rubyroid Labs433 viewsView & Download
34:34Null Piece + refactoring - Implement Chess with Ruby for beginnersCJ Avilla (cjav_dev)689 viewsView & Download
