How can we make sure asynchronous work is done efficiently? In ep #2 of a series, we'll build one of the simplest possible solutions: a polling model.
Ruby's backtick operator is great for quick-and-dirty output capture, but what do you use when you need more power?
Learn a robust, cross-platform way to throw away unwanted output in Ruby programs.
Learn about Ruby's Perl-style I/O special variables, and why they exist.
Ruby's open() call has more tricks up its sleeves than you know!
Shortcuts to reading and writing files in Ruby.
A little history lesson about computer text formats
Today we look at redirecting subprocess I/O, and discover that it's surprisingly easy!
Today we learn about how the StringIO class can help us test methods that work with files.
After many passing mentions, StringIO finally gets its own episode!