Useless interfaces and interface distillation https://ane.github.io/2017/03/23/useless-interfaces.html (only factor out an interface when you have multiple classes!)
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I've written a simplistic backtrace for runtime errors in my toy programming language.
Underlines feel useful on the top stack frame, but pretty useless on all the other stack frames, which are just calls. Any opinions?
The cult of dd: https://eklitzke.org/the-cult-of-dd (cat is often better -- reminds me of the 'useless use of cat' greybeard perspective)
'A good place to look for information on this is http://t.co/juAjJ0JfMd';. True, but overly general to the point of being useless.