Ruby Programming FAQs

How Can I Use a Spinner Method in Ruby?

A spinner method provides the user with visual feedback that something is happening in the background. For Ruby programs that require long wait times, a spinner can be a good addition.

How Can I Rotate an Array?

How to rotate an array, so elements at the beginning of the list are added to the end of the list.

How do I round a float down if it's close to a whole number?

Is there a nice way to get the floating-point value of a number if it's floating-point, but the integer value if it's just X.0?

How Can I Benchmark Code in Ruby?

Benchmarking measures the time it takes to execute code and compares it to other code that accomplishes the same task. This is useful to see which is faster, and gives you the opportunity to use the faster code in your program.