Guides to the core and standard libraries, as well as selected Rubygems.
Ruby's open() call has more tricks up its sleeves than you know!
Shortcuts to reading and writing files in Ruby.
Understand when and how to use Ruby's array combination methods.
Grouping data by various properties is easy in Ruby, and there are more uses for it than you might think...
Write intention-revealing loops with Ruby's Enumerable#cycle method.
Stop writing non-portable Ruby file-management code.
Understand once and for all how, when, and why to open files in binary mode.
Do you really need that web framework?
Quick, easy, minimal immutable Value Objects in Ruby
Dealing with versioning problems the smart way.