Guides to the core and standard libraries, as well as selected Rubygems.
Category: APIs and Libraries
Elegantly generate data in bulk with Ruby Enumerators and Arrays
Watch Avdi Grimm and James Gray demonstrate the art of concise, expressive Ruby code in two classic RubyTapas videos.
Bust nils with Hash#fetch!
A RubyTapas classic, now free: learn how to use Hash#fetch to catch missing hash keys before they do more damage!
Episode #525 – Memory Profiling – Nate Berkopec
Objects may be cheap in Ruby, but they aren't free. Learn how to diagnose memory usage problems using Ruby's built-in ObjectSpace API, with Ruby and Rails optimization expert Nate Berkopec!
Episode 524: Data Munging Play-by-Play Part 2 with Avdi Grimm
Part 2/2 of a play-by-play of a recent Ruby data-munging coding session. More fun with regexes, lazy enumerators, and more!
Episode 523: Data Munging Play-by-Play Part 1 with Avdi Grimm
Check out this play-by-play of a recent Ruby data-munging coding session, with commentary on live/fast feedback, lazy enumerators, and more!
Episode #510: RSpec Tags
In this episode, guest chef Erin Dees teaches you how to use RSpec tags to test exactly what you need and no more.
Episode #509: Logical Matrix with Piotr Szotkowski
Use an obscure feature of Ruby integers to efficiently store large matrices of boolean data.
Episode #508: RSpec Focus Tests with Erin Dees
Have you ever hesitated to re-run tests after making a change, because you don't want to re-run all of your tests? In today's episode, you'll learn how to use RSpec's …
Episode #505: Subprocesses Part 15: Capture
Ruby's backtick operator is great for quick-and-dirty output capture, but what do you use when you need more power?
Episode #503: Subprocesses Part 14: Advanced Wait
Learn the nuances of Ruby's Process.wait, Process.wait2, and Process.waitall system calls, and how to choose between them based on your use case.