Language features, syntax, and gotchas.
Category: Language
Why Ruby doesn’t have a Boolean class
One peculiarity of Ruby that trips up a lot of programmers migrating from other languages is the fact that while it has true and false types, they don't share a …
Episode #542
Abstraction and Performance – Part 2
Join guest chef Chris Seaton for a lightning introduction to the tricks of just-in-time optimization. See how future Ruby implementations will enable you to write high-level code without worrying about …
Episode #541
Abstraction and Performance – Part 1
Join guest Chris Seaton in part 1 of a 2-part exploration of how code expressiveness and efficiency can sometimes be at odds, and what language implementers are doing to change …
Make big numbers readable in Ruby
Quick! How many zeroes are in 1000000000000000? Large literal numbers may be a cinch for the computer to read, but they aren't very friendly to human eyes. Take 45 seconds …
Use beautiful binary literals in Ruby
Stop trying to remember octal permission codes. Instead use beautiful binary literals in your Ruby code!
Episode #515: Guilds with Steve Klabnik
Get a sneak peek at the possible future of Ruby concurrency, with guest chef Steve Klabnik!
Episode #514: Value and Identity with Arne Brasseur
Have you ever seen the terms "value" and "identity" thrown around and felt like you sort of get it? Join guest chef Arne Brasseur for a deep dive into exactly what …
Episode #494: Special Variables Part 4: Speak English!
Now that you've learned how to obfuscate your code with Perl-style special variables, learn how to make it readable again!
Episode #493: Special Variables Part 3: Regex Matching
Learn about one final category of Ruby's Perl-style special variables, and some guidelines for using them.