Getting an ASCII character code in Ruby using `?` (question mark) fails

Question

I\'m in a situation where I need the ASCII value of a character (for Project Euler question #22, if you want to get specific) and I\'m running into an issue.

Being n

Answer 1

Ruby Programming/ASCII

In previous ruby version before 1.9, you can use question-mark syntax.

?a

After 1.9, we use ord instead.

'a'.ord