Language features, syntax, and gotchas.
Now that you've learned how to obfuscate your code with Perl-style special variables, learn how to make it readable again!
Learn about one final category of Ruby's Perl-style special variables, and some guidelines for using them.
Learn about Ruby's Perl-style I/O special variables, and why they exist.
Get to know Ruby's line-noise special variables. Part 1 in a series.
Learn how to log useful diagnostics when your Ruby program crashes.
The way Ruby handles a program exiting may surprise you!
Always clean up before you turn out the lights!
Learn how to customize the way Ruby copies objects - and why you might want to.
Understand object copying in Ruby.
Learn a concise way to treat a module as an object in Ruby.