This is the Python material that does not get left behind. Almost none of it is replaced by a framework later. Learn it, and keep this cheat sheet close by as a handy reference.

Slicing bytes copies. On a small payload nobody notices, but slice a large packet or image buffer in a loop and the copies ...

Urban heat islands are a solvable data problem: this piece shows how to combine free satellite imagery, standard remote-sensing indices,and a gradient boosting ...