Ruby Questions

Why is it returning false? (5)
Coprime numbers (Needs speed BOOST) (5)
Please help with code (5)
A way to .count only the first 3 digits in each array slot? (8)
Write a method that takes in a string and returns the longest word in the string (11)
Send mail if disk is fully occupied (1)
Integrate React component from (1)
File doesnt work as wished (1)
Delete and compress logfiles (2)
Triple operator on a sequence (3)
In what way is Ruby on Rails NOT multithreaded? (2)
Any latest TTS libraries for Ruby? (1)
Ruby services as a different layer (1)
Having trouble running a script from Learn Ruby the Hard Way (6)
Measure typing speed via ruby program (2)
Suggestions/guidance for Feature Flags for my rails app? (5)
A Newletter App/Engine in Rails (3)
How to send all files in a folder as email attachments using ruby (2)
LearnRubyTheHardWay Exercise 25 (2)
Using Functions To Return Something (3)
Input_file = ARGV.first (5)
delete_at – does it actually remove from RAM (4)
In `open': no implicit conversion of nil into String (TypeError) from ex30.rb:3:in `<main>' (6)
Debugging LoadError Message (5)
Learn Ruby The Hard Way --- Exercise 1 (7)
Learn Ruby The Hard Way (9)