Drag the edges to resize the window.

In Projects, you can keep track of your progress as you go throught the tasks. Check each item as you complete it!

Code Editor
Hashes and Symbols

A Key of a Different Color

We can certainly use strings as Ruby hash keys; as we've seen, there's always more than one way to do something in Ruby. However, the Rubyist's approach would be to use symbols.


Check out the code in the editor. Those funny-looking variables that start with colons are symbols. Click Next to the next section for a symbol rundown.

Report a Bug
If you see a bug or any other issue with this page, please report it here.