pry - Good stuff for debugging

pry

Good stuff for debugging

https://github.com/pry/pry

install :  

gem install pry

usage:

       1. put "require pry" in front of the code.
       2. put "binding.pry" just before the line of code that needed to debug.
       3. excute the code.
       4. pry will stop at the line where you put "binding pry".
       5. try to get the value of objects, variables and methods.
       6. Ctrl-D to continue.