Join me for a rainy chat about all the reasons you should consider using containers not just for deployment, but for development as well. We'll talk about how containers enable …

Episode #652
Null-Terminated Record
Before YAML, before JSON, there were null-terminated records. See how this simple, pragmatic technique greases the pipes between UNIX command-line tools---and how you can harness it in your Ruby one-liners!

Episode #650
Re-Run Just the Tests That Failed
A test-driven development workflow is only effective when it gives you quick, meaningful feedback. Check out these power-user facilities for RSpec and MiniTest that will help you skip the noise …

Episode #649
Input Record Separator
Ruby has a lot of tools for processing input line-by-line. But when you look a little closer, it turns out that these methods are for more than just lines of …

Episode #648
Output Record Separator
Did you know Ruby has a print method in addition to puts? Did you know it's for record-oriented output? Do you know how to control the formatting of records in …

Episode #645
Grep, Sort, Uniq
As we continue exploring Ruby one-liner alternatives to UNIX command-line operations, today we tackle a common case: a combination of grepping through multiple files, and collating the results.