Guides to the core and standard libraries, as well as selected Rubygems.
Category: APIs and Libraries
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.
Episode #502: Subprocesses Part 13: Detach, Wait, Kill
Don't let your Ruby subprocesses become zombies!
Episode #501: Suppress Output
Learn a robust, cross-platform way to throw away unwanted output in Ruby programs.
Episode #500: Subprocesses Part 12: Fork and Exec
Learn the twin pillars at the root of the UNIX process-spawning architecture!
Episode #499: Subprocesses Part 11: Fork
If you're making subprocesses on a UNIX-like OS, you're using fork(). Learn all about using fork() from Ruby.
Episode #497: Deep Dup
Learn how to make deep copies of arbitrary Ruby object trees.
Episode #496: Deep Freeze
Freezing a Ruby object can leave you skating on thin ice. Learn how to render complex Ruby objects totally immutable.