Fix “sign_and_send_pubkey: signing failed: agent refused operation”
Thanks to gnome-keyring you won't get a useful error message. If you uninstall it, you'll get the real culprit right where it matters, but in retrospect ssh-add gives you the same error message. Read more.
Less Noise and Louder Voice from Low Quality Microphone in Audacity
The basic problem: the various mics I own are all pretty terrible in their own way. This is how to lift it from unacceptable to bad, but similar principles apply to better mics as well. Read more.
Conveniently Developing an R Package
Half a decade ago I neglected to jot this down, so I had to figure it out again. Just in case someone landed here searching for the most basic R problem, you start the program using uppercase R, not lowercase r. Anyway, to work with a package in a git repository or some such the […] Read more.