auroralimon

8 ms·

1.
by auroralimon 2y ago
there are tens of thousands of apps that use it, for billions of instances; most all of the most popular apps use it in some fashion. it’s a beast.
2.
by auroralimon 2y ago
then you have added nothing to the problem. of course if you run the program and it halts, even if runs until T+heatdeathofuniverse^googleplex (which is a finite time) without an infinite loop, you have not solved the conundrum implied by T
3.
by auroralimon 2y ago
damn. one of the best SF books - a fire upon the deep - ever. RIP Vernor
4.
by auroralimon 2y ago
So what about a chaotic function like: (assume x is 64bit float) x = 0.035876; while true { x = 3.5699456 * x * (1 - x); if x == rand() break; } does it halt?
5.
by auroralimon 2y ago
Consider: are all programs that don’t halt infinite loops? Perhaps one which experiences exponential growth in some variable.
6.
by auroralimon 3y ago
always seemed to me like McKinsey just provided hired brains, ones more clever than any the client could attract on their own.
7.
by auroralimon 3y ago
i’ve often wondered if mandelbrot is what you get when you do a simple quadratic iterator in complex numbers, what are the comparable sets for quaternions and octonions??
8.
by auroralimon 3y ago
Kerosene lanterns. astoundingly solid.
9.
by auroralimon 3y ago
ol’ Vint Cerf has tried for years.
10.
by auroralimon 4y ago
just use LLCs, much easier, one per startup. need almost no paperwork.
11.
by auroralimon 4y ago
Operating Systems: Three Easy Pieces Book by Andrea Arpaci-Dusseau and Remzi Arpaci-Dusseau
12.
by auroralimon 4y ago
xv6 is a terrific project to grok the basics of Unix. very readable and gives you syscalls, context switching, and kernel/user space dichotomy. I also like 3EasyPieces from the couple at Madison (UWisc) - can’t remember their name just
13.
by auroralimon 4y ago
i have a desk, built about 1720, in PA i bought with quite a bit of filthy lucre from one of my IPOs. use it most days.
14.
by auroralimon 4y ago
no time zones on date/&times? they should be added.
15.
by auroralimon 4y ago
there lots of examples, in many languages, of Dijkstra’s Two Stack calculator. this one is in ?javascript? https://switzerb.github.io/imposter/algorithms/2021/01/12/di... a very elegant piece of cod
16.
by auroralimon 4y ago
i have it’s programmers guide around here somewhere.
17.
by auroralimon 4y ago
no. i seem to recall only intel had a board in an S100(?) chassis? i think that’s the one i had access to.
18.
by auroralimon 4y ago
i remember trying to use it with an Ada compiler at school. I was the only person on campus who had Ada exposure, and it was a remarkably slow machine. Could not get out of its own way. Very ambitious in architecture but too slow and too fa
19.
by auroralimon 4y ago
Kernighan’s history of unix, amazon has it, it might be print on demand “ UNIX: A History and a Memoir”
20.
by auroralimon 4y ago
he was very clever; very smart - one of the smartest people I've ever met; he had pretty atrocious manners; and he didn't really "design" but rather reacted to a design, he had a very clear sense of what he thought was e
21.
by auroralimon 4y ago
The several times I have seen this tried, it usually devolves down to a bunch school students asking sex questions and other students posting outrageous (and often incorrect and harmful) answers. Best of luck, though.