In ruby you can find security levels for your code. The Ruby security level is represented by the $SAFE global variable. The value ranges from minimum value 0 to maximum value 4.
Prepare for your next tech interview with our comprehensive collection of programming interview guides. Covering JavaScript, Ruby on Rails, React, and Python, these highly-rated books offer thousands of essential questions and answers to boost your interview success. Buy our 'Ultimate Job Interview Preparation eBook Bundle' featuring 2200+ questions across multiple languages.