Walked past a tree and there was a Kryptonite bike lock around it in a loop as if there had previously been some object which the lock was affixing to the tree and now the object is not there anymore
Recommend a keyboard shortcut that more people should know about! Any environment, any OS, any kind of software.
I've talked about M-. in shells before (last word of last command, absolutely incredible). But here's a completely different one in the most common programming environment on the planet:
In Excel, and Google Sheets, Ctrl-Shift-1 through 6 applies various display formats to cells. For example Ctrl-Shift-4 ($ on qwerty) formats a cell as currency.
@rain On the Macintosh, if you hold the Command (coverleaf) button and click the title of an active window, if that window corresponds to a file on the hard drive, it will show you (and allow you to open in the Finder) the enclosing folder.
(Holding command and clicking the titlebar of a non-active window, on the other hand, will let you move around the window without giving it focus.)