The Nineteenth Byte - 2021-05-13 (page 3 of 3)

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Redwolf Programs

8:00 PM

What should the format of the things it posts be?

well, if you do plan to replace our feeds, maybe when the proposal is posted we can re-mention it lol

@RedwolfPrograms do you get a choice?

don't you just post a link and have it onebox

Redwolf Programs

No, but the oneboxes will suck for that

I'm thinking I'll post them like OSP does

hm. not sure. idk if people are used to the oneboxes or if this would be better

Redwolf Programs

It'd be nice if the reason it's being posted was included

Since this bot will also repost inactive ones periodically

> Active 1d ago: Rickroll the interpreter

maybe onebox the new ones since that's the format they're always in, and then for older ones post it in an OSP-like format?

Redwolf Programs

8:03 PM

That's the format I want

It's kind of ugly but the best option I think

(why did i click that???)

wait so is this bot posting everything or do you have other bots for sandbox, featured (if you're doing that), etc

Redwolf Programs

New Posts for main and meta (since the icon is enough to differentiate them), Sandbox Posts for sandbox posts, and I might replace NFP and the other less useful ones at a later date

okay

caird coinheringaahing

8:34 PM

Someone suggest an edit, I want to snipe Redwolf's 100th Suggested Edit review :P

how did an answer that literally ignored all the rules and just completely didn't do the challenge get +16/-3

things must've been a lot different back in 2013 :P

caird coinheringaahing

Not only did it literally ignore the rules, but it said it was ignoring the rules ಠ_ಠ

yeah. and it's not even creative rule-bending or loophole abuse from being the Standard Loopholes cam into effect, it straight up just ignores the rules cuz it was inconvenient for that language so they decided to just not observe the rules ಠ_ಠ

like messing with the RNG for a KoTH controller was kind of interesting the first time i saw it, although not in the spirit of the challenge. this was just like ??

Redwolf Programs

"This sign can't stop me, because it annoys me and I don't particularly care!"

caird coinheringaahing

I wonder what sent it into the review queues?

8:38 PM

uh. can someone explain how i reviewed a post as "delete" successfully

after deleting the post?

like i deleted it 4 mins ago

caird coinheringaahing

It's 8 years old, and not exactly a short answer, and the question its on hasn't been active for over 8 months, yet got sent to the queues?

and just did the review task and deleted it

caird coinheringaahing

@hyper-neutrino shouldiblamecaching.com

:P

@cairdcoinheringaahing a flag

Redwolf Programs

LQP is probably the queue I least understand

What does recommending deletion do? What flags put something in LQP?

I couldn't think of a third question so I just sound dumb :(

caird coinheringaahing

8:42 PM

Recommend deletion is a way that users with <20k rep can help delete things

It takes 6 Recommend deletion reviews to fully delete an answer, and Delete reviews (for 20k+ users) count as 2 IIRC

Additionally, users can flag posts as "very low quality" or "not an answer" and that sends them into the queues

The system also sends posts that are shorter than a certain length (I think 100 characters) into the queue

oh that explains how some posts get deleted by like 5 users

i was wondering how that happened

Redwolf Programs

I'm one away from both proofreader and strunk & white lol

Two badges I've been working towards for multiple units of time

i have 31/100 on proofreader ಠ_ಠ

144/80 for strunk & white tho

Redwolf Programs

I'm going to be one bronze badge away from the whole set after pr I think

It's the annoying one

I haven't the slightest clue how I'll get announcer

9:45 PM

CMC: Code jeopardy: Guess what (foldl(..(some)$flip$K)$none) does in $UNDISCLOSEDLANGUAGE

folds some form of function composition, I guess K is the K combinator?

answer as [guess](https://www.youtube.com/watch?v=dQw4w9WgXcQ "answer here")

also what's the best way to offer a reward for a chat challenge?

- bounty
- upvote
- "good job"
- flag
- star

good job probably chat challenges don't really mean that much

Definitely not a flag

@Wzl I'm guessing some and none are like Just and Nothing in Haskell?

getting hotter :) (both of you)

9:54 PM

Because in Scala, they're called Some and None (and it's Option instead of Maybe)

@Wzl Hope I don't have a fever :(

yeah, well I sort of ignored that, but yeah

@user yeah they're probably both inspired by ML or something

I assume flip does... flip

but I'm not sure what flip K would be

Right, so flip K keeps the second argument

Meaning that the first none is replaced with whatever else is in the list, then converted to a Maybe using some

yeah

right

9:56 PM

My first guess: It gives you either the last element of the list, wrapped in a some, or none

so maybe it finds the first non none element in the list or something?

@user correct

nice

Yay! (please don't flag me)

well that was fun (for me)

9:56 PM

makes sense

@Wzl it was fun you should do more

Everything makes sense if you know Scala (*ducks*)

maybe I'll make another one sometime

.. is compose, but where the second function takes two arguments

user image

ahh

anybody know why this happened?

9:57 PM

Working overtime?

no seriously

it happens like every so often

i can't consistently reproduce it

it just happens sometimes

it's very weird

@Makonede Utilising multiple CPU's at once.

hm

but why does that make it write the debug info to STDOUT and not write the proper output to either STDOUT or STDERR?

oh, that's what you were asking about

that is weird

TIO doesn't really keep the output streams separate. It injects random tags input a single output to separate stdout and stderr. Timing issues can mess this up.

10:03 PM

ah ok thanks!

CMC: find the last of the list without the built-in

⊃⌽

the jeopardy challenge is ⊢/ in APL btw (minus the Option wrapping, using fold-right instead of foldl)

caird coinheringaahing

@Makonede Ongoing bug in TIO

(By "ongoing" I mean that this has been a known issue since 2018 IIRC)

@Wzl Vyxal, 2 bytes (ui)

caird coinheringaahing

10:15 PM

@Wzl Jelly, 2 bytes ṛ/

@lyxal how does it work? I get "integer division or modulo by zero" for empty input

Index at negative 1

9

A: Is this number a prime?

Prolog (SWI), 42 40 39 bytes +X:-X>1,2+X. Y+X:-X=<Y;0<X mod Y,1+Y+X. Try it online! Tests primality by checking whether any of the numbers less than the number and greater than one divide the number. Explanation +X:-X>1,2+X defines a new predicate +/1 that is true if X > 1 and 2+X is satisfied...

This answer just got a 1 byte golf after 3 years on top.

Check it out.

caird coinheringaahing

Bug and feature requests with no status tags

@Wzl 05AB1E, 2 bytes: .»

.« or Rн works too

10:26 PM

@WheatWizard it's kind of an obvious golf, I'm a little embarrassed that I didn't see it sooner

@Wzl Scala: _.reverse.head. Can't think of anything more creative rn

prolog has the strangest equality operator of any language i've seen

Haskell: f[a]=a;f(h:t)=f t

yeah me neither it's not as interesting as I hoped

@ngn Which one? :P

10:28 PM

@user =:=, i learned from here

Prolog has a bunch of equality operators which each do different things.

@user head.reverse

it's just because it has the strangest arithmetic

There's also = and is and stuff, if you care about golfiness

^^^^

10:30 PM

@rak1507 I'm dumb

prolog is the only language where doing n queens is easier than adding two numbers together

9

@user you're doing it a more interesting way

I take it back, then

in Whlplash, May 4 at 21:35, by user

tbf I am a genius and can immediately master any skill

@rak1507 CMC: Code Jeopardy:

~:00?=?v~:01?=?v~R~t++~r
.@~$~$.<  ~r  .<

have fun :)

Factorial

10:34 PM

:\

You can't expect me to not guess that when I just linked a message from the whlplash chatroom and have it on my mind

you gave me the idea :) but still, you could have forgotten

I may be absent-minded, but my memory isn't that bad

caird coinheringaahing

CMC: Implement the gamma function. You may not use any builtin gamma functions

~~If it's useless, I'll remember it perfectly. If whlplash was important, I'd forget it immediately~~

10:36 PM

@Wzl it's very concise and elegant if you think about it

It is, yeah

@cairdcoinheringaahing that's hard to do properly

)sh mathematica ...

it's not using anything built-into APL :)

@cairdcoinheringaahing 05AB1E, 2 bytes: <!. you might think this is a gamma builtin, but it's actually a Γ(n+1) builtin ;)

caird coinheringaahing

@ngn If it fails for floating point errors, that's fine. I'll even let you restrict the input domain to a (reasonable) range of rationals

@Makonede Yeah, that's obviously a gamma builtin

10:39 PM

no it's a Γ(n+1) builtin

It's a CMC, it's all about the spirit, not the exact language

Why remove that? I secretly agree with Makonede too :P

caird coinheringaahing

It's a CMC because it's not worth posting to main. I'm interested in actual implementations, not a smart-ass "interpretation" of what I said

@cairdcoinheringaahing this has been posted

How about a dumb-ass interpretation? gamma in my new language, gamma

haha yes

10:42 PM

how about my new and original interpretation? 0 bytes in my new language, metajelly-235927857531

caird coinheringaahing

@Makonede Yeah, that answer of yours there is in clear violation of the builtin ban

but not exactly...

caird coinheringaahing

No, exactly

@cairdcoinheringaahing I agree it's not valid, but it was just a joke

caird coinheringaahing

CMC answers, sure, fine, joke, whatever. Answers on main, not so much

10:43 PM

I'd say a function that does f(x-a) when you want f(x) is still a builtin...

so yeah, invalid

it is exactly a gamma built-in because it takes a number and finds the gamma of it

sure that number isn't exactly the input but it's still a gamma built-in

yep

ah ok you have a point

One or two commands for pre-processing don't really count, but it's funny to do some rules lawyering

caird coinheringaahing

Yeah, but there's also a time and a place for that, and main generally isn't it :P

10:45 PM

don't worry i've deleted it

@cairdcoinheringaahing I mean, this isn't main

caird coinheringaahing

@user I was talking about Makonede's deleted answer

Wait, is this main? These userscripts and UI changes are really confusing me :P

@cairdcoinheringaahing Ohhhhh

This is why I need to get 10k rep

caird coinheringaahing

Pretty sure this is Mother Meta, there are at least 3 diamonds here :P

And one of them is an ancient full of rage who wields a sword (or is it an axe?) :P

10:48 PM

@user here, take some of mine

@user more dangerous, wields a ferret

I don't really need 10k rep, if you're thinking of awarding a bounty, keep it for a good answer (but if you were offering it, thanks :) )

@Wzl A pure ferret, no less. Impure ferrets just don't do the same damage :P

~~.:|:;~~

@user relevant

@lyxal ~~:;',good morning|:~~~

You completely missed the joke

10:51 PM

@Makonede There's an easy fix [use square brackets :)]

@lyxal What was the joke?

It's loss

Sorry, still too obscure a meme for me :(

@user easy there no need for an evil laugh

@user it aint obscure at all

it looks nothing like it honestly

it doesnt have the lines

caird coinheringaahing

10:53 PM

@user You've never heard of loss?

just dots and commas

@Makonede ⦂)

it's recognisably loss

@user I need to avoid becoming establised in SE

even if it is slightly minimalist

10:54 PM

@cairdcoinheringaahing I saw it on reddit a few times, but never knew the origin

Or meaning, really

@Wzl too late

@Makonede I found it on reddit

you're already established

^

there's no escape

10:54 PM

Now that Wzl's one of the establishment, it's time to overthrow them!

codegolf.stackexchange.com/help/privileges/established-user

once you enter the dark realms of cgse you are doomed for eternity

oh, 'established user' actually has a meaning

@Wzl wow there's a site link that doesn't onebox, time to get some MM rep :)

Heh, I'm an established user everywhere thanks to the userscript that shows votes

yeah that's useful

10:56 PM

@Wzl Do help pages normally onebox? (also, careful, you might get established there :P)

I don't think so

caird coinheringaahing

Pretty much only answers, questions and users onebox

@cairdcoinheringaahing Yeah, I'm special :P

@user you're not special, you're user.

Get it right

@NewMainPosts snapping sticks of butter in half is the reason I don't want to be vegan

10:59 PM

@lyxal The joke there was that people named "user" onebox

> Established users are those who have been participating on the site for a fair amount of time

I was joking

@Wzl Description unclear, VTCing

CMC: Code Jeopardy:

He was in shock. How could this have happened to him++?>if(this){return} "This is outrageous! Didn't you promise not to ever do that?"[40] he screamed as he fell down the hole.

@Wzl can't you do that with celery or something

@Makonede ?

@rak1507 yes but not as fun

11:00 PM

@user no you weren't

@rak1507 do you know what code jeopardy is

no

@lyxal No, I wasn't JoKing, I was joking

@Makonede prints 0x00 twice in BF I think

prints '0' in jelly

11:01 PM

@rak1507 basically you're given a program in an unknown language and you have to guess what it does (and the language it's in)

@Makonede got it

@Makonede It's a quine! In Text :P

@Wzl @rak1507 @user all true but not the intended answer

prints [] in osabie

@Makonede did you see I accepted your friend request on discord?

11:02 PM

oh did not

tio.run/##FY7NCsIwEIRfZfSiUigePNuLhz6AN/…

does something very interesting in this language!

Lol are you just trying every language one by one?

caird coinheringaahing

@Makonede 05AB1E, 176 bytes

He was in shock. How could this have happened to him++?>if(this){return} "This is outrageous! Didn't you promise not to ever do that?"[40] he screamed as he fell down the hole.

rak ninja'd you already

caird coinheringaahing

I believe it errors in Jelly, { can't act on the ) (maybe)

@user Yeah, but I have a TIO link :P

11:05 PM

tio.run/…

cool

all very unique solutions

maybe I should require code-jeopardy to have programs be irreducible

should i reveal the intended one though?

` 32e hol e. ` is clearly the intended output

caird coinheringaahing

@cairdcoinheringaahing Nope, h breaks the chain and it outputs 0 :/

@Makonede That'd probably help :P

11:07 PM

ok

cat in ???

on tio it repeats the last character

Interesting

but that seems to be because of the bundled bf interpreter's method of eof

So, it's a yawning cat

sorta

unless you input a

then it's a screaming cat

The only good cat's a dead cat. Burn all three of them. (/s in case the PETA people burn down my home)

11:09 PM

bruh

@user you'll have to do that nine times

4

caird coinheringaahing

@user Just a reminder that one of our mods has literally had a cat as a profile picture for the entire time they've been on the site :P

@Wzl Drop them in lava and they'll die again when they respawn

read that as Java lol

@cairdcoinheringaahing Who, cat? ~~Burn them too~~

11:10 PM

@user only if their bed is there though

@Wzl That works too :P

~~Java will slowly suck the life out of you~~

@cairdcoinheringaahing Oh wait, are you talking about Wheat Wizard?

caird coinheringaahing

Mar 20 '18 at 18:49, by user56656

I now have a infinite source of profile pictures

Or the user whose name ends in ex moderator?

@cairdcoinheringaahing I now have an infinite source of nightmares :((

@user ha, joke's on you, i don't have any

@hyper-neutrino oof

11:17 PM

@hyper-neutrino Is it because you're Canadian?

4

@user extra oof

@lyxal <whisper>btw, how's the chicken business going? I'm thinking of giving up</whisper

@user <whisper>the right moment hasn't arrived yet</whisper>

<whisper>we almost got it once though</whisper>

@user well more so i haven't been able to get enough maple syrup with the whole pandemic and such

@cairdcoinheringaahing tempted to decline your flag asking for status complete because you didn't close your square bracket and it's bothering me >:-(

11:26 PM

:P

@lyxal <whisper>Let's hope it comes soon, I'm running out of patience</whisper>

@Haveaniceday Hi there!

Welcome to the TNB

caird coinheringaahing

@hyper-neutrino Wait, really? Crap, that bothers me too :/

lol

11:44 PM

wait i've had this challenge sandboxed for three years???

wow

also thanks for the mathjax edit @cairdcoinheringaahing, i wrote this before we even had it I think :D

caird coinheringaahing

@hyper-neutrino :P

I also changed "remove" to "flip", talking about the LSB. "Remove" indicates "getting rid of", not "make it zero" to me

yeah, that makes sense

Have a nice day

@user Hello :)

caird coinheringaahing

@hyper-neutrino Yep. We got Mathjax on June 20th 2018, and you originally posted that on March 2nd 2018. Wow

lol. wow time flies

caird coinheringaahing

11:49 PM

Yeah, I remember Xcoder's push to get mathjax back well :/

this is probably going to have one of the longest question size : answer length ratios

the explanation is quite extensive

but the actual algorithm is surprisingly simple and elegant to implement

fenwick trees are very nicely designed :D

caird coinheringaahing

Irritatingly, Arnauld's algorithm is going to be fairly long in Jelly :/

@hyper-neutrino I'd link caird's comment about time being on drugs here, but it's overused already

caird coinheringaahing

Time has been on less drugs recently tbh :P

Going through detox, huh?

11:59 PM

jonathan posted 7 bytes

wish i hadn't read the solution so fast cuz now i can't figure it out myself lol

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