For Some Value of "Magic"

I've recently experienced a rash of events where maybe once a week on average mouse clicks have simply stopped working. The cursor tracks the mouse, but clicks just don't do anything.
After some weeks of irritation I eventually realised that I could avoid a reboot by restarting the Finder using the "Force Quit" feature (you can kill any app except Finder, for which the available action is "Relaunch")....

This is an edited live blog of a Python London presentation by Bernat Gabor of Bloomberg. Sorry it's taken so long to prepare. A great talk, very well presented. Thanks Bernat! Many thanks to Babylon Health for being a welcoming host.
PEP 484 introduced type hinting. Function annotations from PEP 3172 and variable annotations from PEP 526 have come together, and are supported by mypy. Why? Primarily to make code easier to debug, maintain and understand. An implementation supports...

Python programmers talk about namespaces a lot. The Zen of Python* ends with
Namespaces are one honking great idea—let’s do more of those!
and if Tim Peters thinks namespaces are such a good idea, who am I to disagree?

Sponsored: 64% off Code Black Drone with HD Camera
Our #1 Best-Selling Drone--Meet the Dark Night of the Sky!