Use asyncio with non asynchrone callback method from external library

I’m using the gpiozero python library to handle simple GPIO devices on a Raspberry Pi (I use here a MotionSensor for the example): import asyncio from gpiozero import MotionSensor class MotionSensorHandler(): __whenMotionCallback = None def __init__(self, pin, whenMotionCallback): # whenMotionCallback is an async function self.__whenMotionCallback = whenMotionCallback # Just init the sensor with gpiozero lib…

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Why do CDNs use different domain names rather than subdomains? [closed]

Many online services configure CDNs (content delivery networks) to improve performance by allowing content to be served from geographically close locations. I have noticed that very often the CDN is served from a different domain name than the actual service. For example, a visit to www.amazon.com will involve pulling content from media-amazon.com. www.facebook.com gets content…

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