I obviously had to rewrite the test in C and see what the speed becomes, how fast that goes, how fast one can switch the GPIO ports of a Raspberry Pi from a C program. I expected it would go faster, but I did not think the difference is going to be this… more »
Well, it is here, it arrived and it works. I already made my first measurement just to see if it actually alive. It is, it so is... So, anyway, I always wanted to know what it feels to interact with a digital circuit directly from BASH, now I have it,… more »
Oh, my, I just bought this beauty online. A witness of an other era, an era when I was just learning the basics, the era of Z80 and ZX Spectrum, 8 bit, when "microcomputer" didn't mean 64 bit and 32 GBytes. It was 8 bit, one megahertz and we used… more »
So... there is this 2 dimensional function called Himmalblau's function that is easy to calculate and is a very easy task for an evolving system. Let's try then. The function has four minima (places where its value is the smallest) and those are all… more »
My keyboard layout just changed itself on the fly. It was the same for years, and now it changed its mind. It is quite weird, I remember something similar happened to me many years ago. Many... Shocking, but it seems some software bugs follow us through… more »