I live with no AC. First thing, all windows get blocked with blackout curtains or whatever you can find. Wear loose cool clothes. I like to wear linen. At night and early morning/dusk, open the windows and doors (if applicable) to get the cool air flowing through your place. If you can, keep them open all night and seal them up once the sun comes up. Use a fan to blow directly on you. Even when it’s hot, that air flow is a life saver. Misting yourself and standing in a fan is a very effective way of keeping yourself cool. All your physical labor chores you’re going to want completed early in the day or after the sun goes down.
As for your laptop, maybe pointing a desk fan at the keyboard may help?
The Xoloitzcuintli is an ancient Aztec breed native to Mexico, once considered as guides for the dead on their journey to the underworld (lemmy.world)
People from the "hotter" regions, how do you deal with the heat?
I am from Eastern Europe and this is the hottest summer on my memory. For at least 3 consecutive years the heat is breaking all records....