utf 8 - Transcoding a string from UTF-8 to ASCII-8BIT in Ruby? - Stack Overflow
ruby - How I can send a large encoded base64 string to rails server API - Stack Overflow
encoding - Can't get Ruby to accept UTF-8 input - Stack Overflow
Base64 Encoding, Explained
Change encoding of a text file programmatically - Ruby API - SketchUp Community
Base64 (How To) | Ruby Core and Standard Library | Treehouse
The Evolution of Ruby Strings from 1.8 to 3.2 | by Tech - RubyCademy | RubyCademy | Medium
ensure_valid_encoding: replace bad bytes in given encoding with replacement strings, or fail quickly on invalid encodings -- without a transcode to a different encoding. : r/ruby
Ruby string indexing with variable-width encoding - Stack Overflow
How to URL encode a string in Ruby | URLEncoder
Troubleshooting Encoding Errors in Ruby - Honeybadger Developer Blog
GitHub - qhwa/string_utf8: turn ruby strings encoding to unicode (utf-8) from any other
Ruby Strings Cheat Sheet | ShortcutFoo
ruby/encoding.c at master · ruby/ruby · GitHub
Encoding and Decoding base64 Strings - The Ruby Way: Solutions and Techniques in Ruby Programming, Second Edition [Book]