2018-04-30 TWILPosted on: April 30, 2018

This Week I Learned

Heisenbug - Wikipedia
In computer programming jargon, a heisenbug is a software bug that seems to disappear or alter its behavior when one attempts to study it. The term is a pun on the name of Werner Heisenberg, the physicist who first asserted the observer effect of quantum mechanics, which states that the act of observing a system inevitably alters its state.
Somewhat annoyingly, it seems that Apple have broken the very handy pbcopy terminal utility with one of their updates (ಠ_ಠ)
Google have released an app to help beginners get started with coding: https://www.reddit.com/r/Android/comments/8dcp22/google_just_launched_a_smartphone_game_to_teach
rel="noopener" used on links is like rel="_blank", but with better perf and security. https://developers.google.com/web/tools/lighthouse/audits/noopener