How to use Pry to debug Ruby apps - Honeybadger Developer Blog

Have you ever tried to debug your Ruby code by typing in print statements and hoping they’d eventually show up where they should? You know what I mean - you type puts “This worked!" into the code and then run it in the terminal, only to have nothing show up. Or maybe you’ve heard of the fancy debugging tools available to Ruby developers but have been afraid to try them. So instead you go for the spaghetti method of debugging: throw code at your text editor and see what sticks. The problem is that this method doesn’t guarantee a solution. Debugging is something you’re going to be doing for the rest of your coding life. It’s not just for junior developers! The sooner you learn how to use Pry and other tools to help you find the bugs in your code, the better off you’ll be in the long run.