XPost: talk.bizarre
On Sun, 20 Jul 2025 20:21:17 -0500, "Lane \"Stonehowler\" Waldby" <
wichitajayhawks@msn.com> wrote in <
me5j0dFmse5U2@mid.individual.net>:
vallor wrote:
On Tue, 20 Jun 2023 18:35:04 -0700 (PDT), entwickeln14 wrote:
On Saturday, June 17, 2023 at 8:07:31 PM UTC-4, nikolai kingsley
wrote:
"a while ago" being around 1988.
Hello.
What's new?
e
hi
In 8th grade, I wrote a game on the Commodore PET. You would maneuver
your avatar (an asterisk) through a landscape of constantly-changing
random blocks appearing and disappearing.
Kind of a funky maze game. Would have been around 1981.
Lies. You never did that. You can't even count to 1981.
Not only did I write it, I optimized the movement keys by using the
numeric keypad numbers as indices for two arrays that held +/-1 values
for x and y.
Was a lot faster than the "if then" chain I was using previously.
(This was in PET BASIC, of course.)
Recently I asked ChatGPT about the principle I'd used, and it
called it "time for space trade off". Posted about it in
comp.theory in passing.
Message-ID: <101bvbm$58on$
2@dont-email.me>
It's pretty obvious that pre-computing values can speed
things up. Orthogonally-related, I once made a lookup
table for IPv4 unicast addresses whose decimal representation
was an md5 hash.
-rw-rw-r-- 1 xxx xxx 75161927360 May 6 2016 md5_ipv4_rainbow.b
(Turns out, back in the days of Usenet yore, certain NSP's didn't
salt their posting-host hashes. Used it to figure out who was
posting as certain socks in a.u.k.)
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