The Nineteenth Byte - 2024-04-17

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OldSandboxPosts

1:00 AM

Sandbox posts last active a week ago: Is this function communative?, Test Cases

1:57 AM

@Bubbler Interesting. (I cross-posted it in The Tarpit.) Took me a while to wrap my head around how the push instruction works and why no-op and empty tiles aren't the same thing.

4 hours later…

6:26 AM

0

A: Sandbox for Proposed Challenges

Get cell content by index from HTML table Input a strict subset of HTML <table> element as defined below. And two integers row and column. Output the content of specific cell at given index. Supported HTML Syntax Table: '<table>' Row* '</table>' Row: '<tr>' Cell* '</tr>' Cell: '<td' (' colspan="'...

2 hours later…

The Empty String Photographer

8:37 AM

Has anyone ever made a web app that needs to handle 30,000 requests per user per hour?

3 hours later…

11:45 AM

user image

:thonk:

@RydwolfPrograms this is reminder five gazillion to update Who's Typing :p

12:34 PM

@TheEmptyStringPhotographer That's like only 8 requests per second, you should be able to handle trivially several hundred per second

Depends heavily on how much work handling the request is of course

2 hours later…

2:45 PM

@DLosc Tried things with a₁ but it won’t work if the list is full of 0s

(because it doesn’t unify with the empty list as the last possible suffix)

Someone posted a link to an elevator algorithm visualizer like 8-10 years ago either in this chat or as a challenge and I cannot find it :(

Went through every single mention of "elevator" in The Nineteenth Byte (wasn't that many, only three pages)

Found what I was looking for play.elevatorsaga.com

3:15 PM

like a week or 2 ago, I asked about what to do with my brainfuck derivative where you can pipe one brainfucks output into the next one's input by putting | in between the code blocks. codegolf.stackexchange.com/questions/95035/natural-construction/…

2 hours later…

The Empty String Photographer

5:18 PM

@mousetail I’m controlling Minecraft player instances, and running on 0.1CPU and 512MBRAM (free stuff isn’t great).

And I thought 8 requests a second was a lot

CMQ If someone challenged you to write breakout in 60 minutes, what language would you choose?

The Empty String Photographer

@Simd Luau (Roblox)

@TheEmptyStringPhotographer interesting. Why that language?

5:37 PM

@Simd do i get an imaginary game engine for my lang too

6:05 PM

@Seggan no!

@TheEmptyStringPhotographer do you think you could do it?

The Empty String Photographer

6:36 PM

@Simd No. I don’t even know what it is, let alone making it.

@Simd Because Roblox already has an in-built physics and rendering engine and a lot of other utilities.

@Simd GDScript then

@TheEmptyStringPhotographer eh not for a 2d game

The Empty String Photographer

Might be possible to make a Roblox game 2D

@Simd Scratch is also a good candidate

If it’s a 2D game

@Seggan interesting!

@TheEmptyStringPhotographer is it a 2d game

@TheEmptyStringPhotographer scratch.mit.edu/projects/173183056

I couldn't see the source

The Empty String Photographer

Just suffix the url with editor: blablabla/project_id/editor

scratch.mit.edu/projects/173183056/editor

1 hour later…

7:51 PM

Today in Comment of the Yesterday:

Never forget that LASER stands for "Legal Amusement for Scientists, Engineers and Researchers". — cmaster - reinstate monica yesterday

8:30 PM

Fun fact: "Laser" and "razor" looks exactly the same when written in Hangul.

Unrelated String

8:59 PM

@DLosc given it's a digit list, i think you can just cẹ

1 hour later…

10:19 PM

@UnrelatedString That's... really smart. Thanks!

Unrelated String

np :P

i feel like i've done this before somewhere

Cursed challenge idea restricted-source: Implement a sorting algorithm, where your code is sorted.

@UnrelatedString I also didn't realize that ẹ would convert a number to a list of digits. I probably would've tried ḃ₁₀ or ~c, lol

Unrelated String

i don't actually know what else ẹ even does other than explode ints to digits

maybe strings?

and then it's a no-op on lists

Strings yes, and it's not a no-op on lists, it vectorizes

Unrelated String

10:31 PM

oooh

Huh, but it just fails on floats and negative numbers

Unrelated String

not surprised about floats but i am surprised about negative numbers

...combining those, it might be useful for checking if all elements of a list are nonnegative...

0

A: Sandbox for Proposed Challenges

Cursed Sorting Algorithm restricted-source Objective Given a bytestring, sort the bytestring in ascending order. The cursed part is, your source code, as a bytestring, must (almost) be sorted in ascending order as well. Scoring The submission with the least number of ascending runs shall win. The...

This would be vulnerable from builtins but whatever

Unrelated String

you could just make a cw to collect trivial answers

10:40 PM

What's a "cw"?

Unrelated String

community wiki

answer type that's easier for other people to edit and doesn't give rep for votes

What about turning this to code-bowling?

Unrelated String

as a tiebreak after least number of nondescending runs, or?

And an additional restriction: Your source code cannot have duplicated bytes. That sets the maximum length of submissions to 256 bytes.

@UnrelatedString Yeah, a tiebreaker.

Unrelated String

that would uh

completely change the challenge

10:45 PM

Uhhh

Still viable, I think.

Unrelated String

basically only golflangs could do it at all and it would be a game of figuring out the most no-ops you can cram into a single run

Errr

Unrelated String

because there's not that many operations you can actually compose into a sort operation

I can change the objective, I guess. A no-op.

Or the identity function.

Unrelated String

back to the bowling idea, that would i guess give golflangs something to do and might not be too weird for praclangs? and maybe just tack pristineness on to avoid trivially padding runs out

10:57 PM

@UnrelatedString pristineness creates the opposite problem of golflangs being the only viable approach

Unrelated String

er

irreducibility

At least it does with ones that have implicit output

@UnrelatedString that one too

Because now, modern golflangs all score 0

Unrelated String

as in can't be reduced to a solution that sorts with the same number of nondescending runs

Then it's just code golf with weird restrictions

Prac-langs can't be too long because of the no duplicate bytes restriction

Uhhh

Unrelated String

11:01 PM

i'm saying without the no duplicate bytes restriction

Golflangs can't be too long either because you'd risk having an irreducible program

@UnrelatedString ahh that makes a bit more sense

Unrelated String

because that murders praclangs either way

Nevermind. The idea was cursed anyway.

restricted-source challenges are never blessed.

@UnrelatedString if I have something with a large amount of non descending runs that can't be reduced anyway, then the restriction is basically nullified

I don't think code bowling is the answer here :p

Code bowling is something you need to design intentionally, rather than sticking it onto a challenge idea because it's trivial otherwise

11:16 PM

0

A: Sandbox for Proposed Challenges

Compose Two Polynomials Objective Given two polynomials \$p\$ and \$q\$ with integer coefficients (and with one indeterminate), output their composition \$p \circ q\$. I/O format Flexible. It is assumed that the inputted polynomials have no leading zero coefficients, and the outputted polynomial ...

*Cough*

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The Nineteenth Byte

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