Tags » ruby

TIL: Ruby’s range can iterate over more than just numbers

You can iterate over a range between two String values, because Ruby’s String does intelligent increments of alphanumeric strings.

TIL: A basic socket server in Ruby

My first bit of socket programming is a Ruby server that reads lines from the socket, and prints them. Not useful on its own, but a stepping stone to more exciting things!

TIL: You can reset the start of a regex in Ruby

The \K escape is the “Match-Reset Anchor”, which resets the start of the reported match, and skip any previously consumed characters.

TIL: How to get the expiry date of an HTTPS certificate with Ruby

Connect to the domain using net/http, then you can inspect the peer_cert/not_after property on the response.

TIL: Find the shortest prefix to identify a string in Ruby

The built-in Abbrev module can calculate a set of unambiguous abbreviations for a set of strings, and then you can look for the shortest result for each string.

A script to verify my Netlify redirects

I wrote a script that reads my redirect rules, and checks that every redirect takes you to a page that actually exists on my site.

Documenting my DNS records

Exporting my DNS records as YAML gives me a plaintext file where I can track changes, add comments, and feel more confident about managing my DNS.

TIL: How to suppress installing rdoc/ri docs when running gem install