Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Ruby Build an Address Book in Ruby Input and Output Saving The Address Book

Melissa Ramirez
Melissa Ramirez
6,503 Points
Posted by Melissa Ramirez
Melissa Ramirez
6,503 Points

How are connected the ruby classes IO, YAML and Psych and why we used the method file.write instead of YAML.dump?

How are connected the ruby classes IO, YAML and Psych and why we used the method file.write instead of YAML.dump in the Address book workshop?