Tags » ruby

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  Upward assignment in Ruby

  A deep dive into the internals of Ruby and metaprogramming techniques, in a quest for a cursed operator.

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  “Fixing” the rules of division

  If we want to redefine how division works, Ruby is happy to oblige.

• 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