Some looks backward to prior links, but in a good way.

• Beatportal’s Definitive Guide to Techno.  (via)
• Which reminds me of eternal favorite Ishkur’s Guide to Electronic Music.
• Your E-Mail Validation Logic is Wrong.  There’s a whole chapter about this in the most in-depth regex book I ever read.
• ifconfig.co.  Fetch that site for your plain text IP, plus other features.  (via)
• How does Go know time.Now?  (via)
• When Hackers Were Heroes.  A worthwhile history read / book review.  (via)
• Map ruler overlays in Cogmind.  Linked for the quality demonstration animations.
• AFFINITIES, public domain images bound.
• Gossamer Network, an exploration of very specific data visualizations through a website.  (via)
• Generative Unfoldings, computer art.  (also via)
• 50 Years of Text Games: 1983: Suspended and 1984: The Hitchhiker’s Guide to the Galaxy.
• Even the footnotes have footnotes.
• research!rsc: Unix Viruses.  Linked for the history.  (via)
• Picking an operating based on feel.