(TIL) Pandas: Named Aggregation
pandas>=0.25 supports named aggregation, allowing you to specify the output column names when you aggregate a groupby, instead of renaming. This will be e...
Recent Posts
(TIL) Mac: Remove quarantine flag from app
I encountered an issue with my favorite macos Markdown editor MacDown where macos Catalina was reporting the file as damaged. It turns out that Catalina has ...
(TIL) Mac: Software Update from the Command Line
There are lots of Terminal commands that you can use to change or update your Mac’s OS. My favorite is this quick tip to download macOS updates and installat...
(TIL) Nix: List files and group by extension
ls -X will group files by extension. — Unix tool tip (UnixToolTip) October 22, 2019
(TIL) Science: Light v Sound
Roughly: Light travels about a foot per nanosecond, sound travels about a foot per millisecond. A factor of almost exactly a million. — Colin Wright ...