The Nineteenth Byte - 2017-04-18 (page 2 of 4)

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1:01 PM

@EriktheOutgolfer What do you mean by snippets then?

Erik the Outgolfer

@JonathanAllan I mean the representations of the code in both languages have different Python code for each one, while what should differ is only the encoding.

Ah, thanks!

@EriktheOutgolfer must have copied from wrong TIO window :)

A bunch of polyglot challenges recently

user165474

Yeah I've seen a lot recently, more than usual

user165474

1 every 6 hours for the past 18 hours on average

1:08 PM

It does seem like challenges here go in spurts

@Mego Have you tried WTF-8 encoding?

user165474

Are answers for polyglot challenges allowed to be the same language with different major versions? See my Python 2 / 3 answer here

Some polyglot challenges explicitly disallow it. Not sure if that makes it allowed by default though.

Newly Featured Questions

136

Q: Trick or Treat polyglot

Since Halloween is coming up I though I might start a fun little code golf challenge! The challenge is quite simple. You have to write a program that outputs either trick or treat. "The twist?" you may ask. Well let me explain: You program has to do the following: Be compilable / runnable in ...

code-golf string polyglot

user165474

Alright. Dennis says there's no default so it's up to OP

1:27 PM

0

Q: Same language different version for polyglots

I recently asnswered a polyglot challenge (my answer is here). I'm using Python 2 and Python 3, abusing a version-change math trick. However, a commenter asked me if using the same language but different (major) versions is allowed. My question is, is this allowed? I recall seeing it before so I ...

discussion code-golf

So, this is a thing that exists.

A snippet from my latest answer: c+=*a-4*d**a;

Isn't it beautiful?

PS: ** isn't power, it's multiplying with the number that's a points to.

I have a 6 byte solution to that same challenge but it depends on whether I can have a trailing space... and the OP wouldn't clarify

@betseg What is the point of c=c; in your answer?

@KritixiLithos Makes the function return the value of c. Won't work in every implementation.

1:42 PM

oh that thing

@TRiG That's neat.

@BasicSunset I'd say go for it

it's almost always allowed

OP did clarify in the end and said it's ok

5 polyglot challenges on the front page

Cool

1:58 PM

too many IMO

it's getting kinda old, feels like people are just sticking hte polyglot tag onto challenges and making new mashups

does it remind you of some other tag, now banned?

Poll: Best (in your opinion) song mash-up

dark horse in 20 different styles, perhaps

@flawr

user image

4

@AdmBorkBork Meshuggah's Bleed with Lady Gaga's Bad Romance.

*paparazzi

2:04 PM

Could we please pretend she doesn't exist?

For me, it would be Nirvana vs Rick Astley -- Never Gonna Give Your Teen Spirit Up

@Riker Hawaiian pizza is awesome, stfu :p

2

@AdmBorkBork why

It fits together amazingly well

I just checked it out and I learned it seems I'm not really into song mashups

Although that might be due to mr. Astley's presence.

@AdmBorkBork it does O_O

@JanDvorak Rick astley is awesome, stfu :p

2:09 PM

Or The Grey Album by Dangermouse, not only for its wider critique on art and copyright, but because it's a pretty solid album in its own right.

Poll: Which is better, cJAM or JELLY?

MATL

@Mego Don't give him any ideas. He might add that to TIO.

Golfscript

Guys, Jam and Jelly are both condiments. I guess you missed it.

2:13 PM

oh

Then Ruby. I'm a crystallivore.

@AdmBorkBork Do medley's count?

If so, this Disney medley a capella is probably my favorite.

@BassdropCumberwubwubwub congrats!

@mbomb007 Sure, medleys are a mash-up of sorts.

In which case - Dana Winner - Abba medley

2:19 PM

@AdmBorkBork Axis of Awesome - 4 Chord Song is pretty great.

And depending on definition of mash-up, Sabaton - Metal Machine

@Emigna Yep, that's a good one

@Emigna Oh yeah, that one is neat.

After four months of negotiation, I've been poached away from my own company. What a ride.

So, like, resigned as CEO of your own company to go join another?

2:35 PM

Yes

@mınxomaτ congrats?

Congrats!

user165474

su -> shut up. therefore by signing into root (su -i) you're just telling the code to shut up and do the task without complaining about permissions

user165474

congrats! (?)

I'm not sure if that's a good thing but it seems to be so yeah congrats

2:44 PM

@Riker Let's see. I'm excited about the challenge (and significant pay raise) though.

:D

@HyperNeutrino i sign into root by sudo -i

Shut up and do this

@mınxomaτ Sounds like that's congrats-worthy, then. Congrats!

If that wasn't a good thing he wouldn't have left and signed elsewhere

user165474

@betseg Haha yep :P

user165474

2:48 PM

@Fatalize Good point. So yeah then Congrats! (!)

True, but you don't really know a job if everyone you are talking to is either an accountant or lawyer. I'll basically be getting a new team to manage that'll just focus on coming up with crazy ideas and seeing what sticks.

3:08 PM

user image

5

So many zeroes...

Congrats! (so many congrats this morning :D)

Morning? I'm about to sleep here!

@AdmBorkBork I like Stranger heathens a lot

Down Christopher

@betseg It is like that one quote "It is mourning when people leave since I am mourning." someone posted it but can't find the permalink

@DJMcMayhem 404 mastering not found

3:23 PM

Mar 28 at 16:10, by mbomb007

@Mego Are you sure? Because I'm always a knight when someone comes online and mourning when someone leaves.

Down Christopher

@DJMcMayhem Thanks. That one

Why are people upvoting a FGITW answer that is seven times longer than necessary?

Because they upvote the FGITW and never come back

But it's not even an impressive answer. It's the equivalent of +++(repeat a bunch...).>++++(repeat a bunch...).> etc. In brainfuck

3:46 PM

@DJMcMayhem it's also kinda rude

the "reputation talks" bit

which implies (likely truthfully) he's only answering for the bounty

On an unrelated note, I'm closing in on the Deputy badge.

congrats!

About a dozen more helpful flags

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Encrypt a byte (Cops) cops-and-robbers Your program/function must accept a single byte of data and return a single byte of data. Every possible input must produce a unique output. (In the other words, your function must be bijective) You cannot use built-ins that have the sole purpose of hashi...

Down Christopher

codegolf.stackexchange.com/questions/115607/… came in clutch

Also it is valid right?

3:59 PM

@DownChristopher is it py3 or py2?

the TIO is py3, but just checking

Down Christopher

@Riker 3

cracked it

Down Christopher

Wait what?

Invalid. I replaced the 2 in 9%2 with a 4. — Riker 14 secs ago

er

Down Christopher

dang it

@Riker fixed

Longer math

4:04 PM

@DownChristopher it's invalid as dennis pointed out, plus this: tio.run/nexus/…

replaced the 9 with a 7

@DownChristopher Compilation outputs must be the same not the... Ninja'd

@Riker I would have done the same

@flawr as the youngling or as anakin?

I don't know starwars, but in doubt > pineapplepizza

> I don't know starwars

how could you

go watch star wars

4:09 PM

@flawr Even doubts are better than pineapplepizzas, that's true

@DownChristopher 1. it's invalid anyway, I can change a byte

2. it does indeed say that in the challenge:

> The output of compilation should be byte for byte identical not "equivalent" or "similar enough".

@Riker have to finish the pineapple pizza first :)

eugh ;p

and my non-vegetarian chocolate eggs

lol

Oh. I understand. Remove please (mobile) — Down Christopher 2 mins ago

delete-request

4:15 PM

What kind of browser are you using that doesn't let you remove your answer? O.o

mobile app

doesn't let you view deleted things or delete stuff

@flawr Hopefully with a Mortal Kombat-style finisher, not eating it. Pineapple on pizza isn't food anymore.

@mbomb007 but pineapple together with pizza is

I swear, this room argues about food an awful lot. Hah.

@Riker ... wow

4:16 PM

Didn't Iceland make pineapple on pizza illegal or something

iirc the president officially denounced it

@mbomb007 I fixed the mistake with my program. I was not previously aware that a tstcase like a1;22 should have resulted false

The PM said that he denounced it and would sign a law if it crossed his desk

@AdmBorkBork only because of heathens like you and my desire to prove to the internet I am right

1 more delete vote?

anyway I don't get why it is pine-apple in english, it has nothing to do with pines nor apples

4:18 PM

@Riker bah-leted

But hey, the us actually did declare pizza is a vegetable.

@AdmBorkBork sorry my internet is spazzing out

@Pavel what where pls link

Is pizza sandwich?

user image

@flawr it looks like a pine cone

and it has an inside like an apple

4:19 PM

I don't agree with any of those points:)

nbcnews.com/id/45306416/ns/health-diet_and_nutrition/t/…

@Riker ^

@AdmBorkBork it's labeled as ananas around here in the stores

around 1/3 of the time

In Turkish, "Ananas aldırdım." means "I had someone to buy me a pineapple." but "Anana saldırdım." means "I attacked your mother.".

13

@Pavel omfg

that's amazing

@AdmBorkBork Conveniently omits Spanish (piña).

4:20 PM

@betseg turkey is weird

@Riker your ~~mother~~ ananas is weird

@Riker No, they didn't declare pizza a vegetable. That was extremely sensationalized way of stating what actually happened.

@flawr lol

@AdmBorkBork sigh

@Riker chat.stackexchange.com/transcript/240?m=31427902#31427902 another example of Turkish weirdness (warning: language)

never trust msn, never trust msn, never trust msn

4:21 PM

@Riker turkey is delicious. (Did you mean Turkish?)

@Riker Too close to "bananas"

@betseg lol

@Dennis both are weird tbh

@Dennis Well, of course. That ruins the joke. :D

@Dennis doesn't that also mean "pine cone"?

Ананас is Russian for pineapple.

4:22 PM

hahaha

@AdmBorkBork ananá is also valid, but rarely used.

@Riker ftfy: AHAHAC

if you type "ananas" into google translate, you can select a random language to translate from, and it seems to always mean pineapple

@betseg kek

Aww I don't have topkek in the hospital ;_;

Spanish has piña

4:24 PM

@mbomb007 Ninja'd

the psychological and social issues on this site run too deep for me

In Turkish, the word for turkey (bird) is "Hindi" iirc.

@MitchSchwartz You need more rep. Then you can live with it.

Or maybe PPCG needs to be your parent account.

@Pavel Also, in Hindi turkey is peru

(watch the capitalizations)

@mbomb007 btw were you the downvoter on my answer?

4:27 PM

Yeah, I just now got the "fixed" notification

sounds like a joke that i've not been conditioned to find funny

Dunno who to mention, I'll mention @Riker because I mostly see him posting Reddit posts. reddit.com/r/xkcd/comments/65pnjq/slug/dgc5gql

@betseg It's hard not to mentally pronounce your name "best egg". Especially around Easter.

Welp

@betseg Right, "peru" is also turkey in Portuguese.

4:32 PM

@betseg Is Topkek an actual thing in Turkey?

Spanish annoyingly breaks the chain.

@MitchSchwartz Which joke? The "PINE. APPLE." one?

@Mendeleev yes, etietieti.com/eti-topkek-with-hazelnut-and-cocoa , older than the meme

Since we're kind of still on this topic:

PPAP（Pen-Pineapple-Apple-Pen Official）ペンパイナッポーアッポーペン／PIKOTARO(ピコ太郎)

CMC: Given an int array a and an int n, output the smallest positive difference between n and any value in a.

4:34 PM

PPAP will never be on-topic on TNB :P

6

@AdmBorkBork mbomb007's messages to me

@Pavel closely related:

1

Q: Find the temperature closest to 0

In this exercise, you have to analyze records of temperature to find the closest to zero. Write a program that prints the temperature closest to 0 among input data. Input N, the number of temperatures to analyse (optional). This will be nonzero. The N temperatures expressed as integers rangin...

@MitchSchwartz I'm pretty sure the first comment is saying that the "joy" experienced from getting upvotes and reputation makes up for the "weirdness" of the site's users. I know we've had discussions in the past regarding how upvotes elicit a "pleasure response" in the brain for most people, so I understand your statement, now.

@Pavel sorry, wanted to type "loosely related"

Actually it's the same thing but with constant n

4:38 PM

@Pavel Python 2, 46 bytes

Glad I could find a possible dupe, that one was poorly received :)

wait, i should use a lambda, duh

39 bytes

i am unable to deceive myself that an upvote generally indicates that the voter has read and understood the thing they voted for

@mbomb007 a new challenge idea: embedded lambdas :)

@Pavel CJam, 9 bytes q~f-:z$0=

4:42 PM

@MitchSchwartz Yeah, there's definitely a lot more reactionary upvotes than thoroughly-understood upvotes.

@Pavel Röda, 31 bytes: f a,b{a()|[abs(_-b)]|sort|head}

@Pavel C, 72 bytes. Takes the array, the int and the length of the array. Try it online!

@Downgoat do you use time machine with your mac? if so, did you ever have it "preparing for backup" forever?

What exactly does it do with one's mac?

It makes it cost more.

4:50 PM

@betseg that's glorious

@KritixiLithos backup device

@mbomb007 nah, we don't need that

Brain-flak? Are you feeling alright?

Either that or I'm completely blind.

I'm pretty sure all of those brackets are balanced.

do you have any unicode?

Time machine will likely take away what's left of the remaining 12 GB of storage I have

Nope

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Are these lists equal? As you may very well know python has lists. As you might not know these lists can contain themselves. a = [] a.append(a) Python 2 Python 3 These are cool, however you cannot compare them. a = [] a.append(a) b = [] b.append(b) a == b Python 2 Python 3 Task You...

4:53 PM

@WheatWizard ^^^^^^^

Should we delete the broken ad until the host site actually works?

19

A: Community Promotion Ads - 2017

@Pavel What?

I'll do it, and I'll try to check in every day or so to see if it's back up

Because right now that ad is just a big white square that says "Bounties for everybody", which isn't very helpful.

3 mins ago, by Pavel

Brain-flak? Are you feeling alright?

4:54 PM

@Riker Thanks.

done

@WheatWizard (())(()()){}<>{{}}(()()())<> -> Error at character 15: Unmatched '{' character.

Try it online!

@Pavel Ok looks like we have a bug

Indeed.

Ok I know what it is

I will fix it

4:56 PM

I'm working on the VIP submission, that should be flack, mini, and flueue. I've had trouble fitting in Classic, unless there's a way to suppress output in it but not the others.

@Pavel @WheatWizard was able to repro, looks like if a nested pair of {} is followed by a ()

like this

@Pavel VIP?

Versatile Integer Printer

@Riker It actually just has to be followed by anything

Since the BF interpreter now supports 4 languages, I'm trying to polyglot all of them together.

@WheatWizard ah, okay

4:57 PM

I'm pretty sure I know what is going on

cool

I feel like there needs to be an easier way to push zero. (<><>) is bleh

There's also (<()>) but I do agree, most ways are bleh

I suppose you can save bytes by doing (< other things your program needs to do >)

@Pavel There is usually something you can wrap in (<...>). For example, if you have an "if" you can do {(<whatever you need to do>)}

5:02 PM

@Pavel @Riker Fixed the issue

cool

what was it?

tyvm

When it skips to the end of the loop it doesn't remove the brace from the scope stack which causes it to think it never closes the brace

It also turns out I accidentally misspelled raise

ah

lol

I don't know why anything was working at all with raise spelled as rasie

but it apparently was

It was even raising the error properly as far as I could tell

5:14 PM

Ruby recognizes that you probably meant raise

Still errors when I try rasie on TIO

@Riker yeah, that might take a while depending on disk size

hm, okay

it's 500 gb so

Is your mac a macbook pro?

yes

CMC: Determine the average absolute difference between elements of an array.

5:18 PM

@Riker ok might take a while

[1 2 1 2 1 2 1 2] --> 1
[10 9 8 9 10] --> 1
[2 4 6 8] --> 2
[4 8 15 16 23 42] --> 7.6
[9 0 7 9 5 6 4 6 2 12 9 5 5 5 3 3 7 8 8 6 3 7 2 8 6 8 2 4 3 1 9 9] --> 3.16

@Downgoat hm, okay

Do you think we should have metadata for answers?

@Pavel If you find any new bugs feel free to notify me or make an issue on the github

will do

5:24 PM

@WheatWizard This is a little bit random, but how many users would you say brain-flak has now? (Wild guessing)

Erik the Outgolfer

51 mins ago, by Kritixi Lithos

PPAP will never be on-topic on TNB :P

Please, let these discussions be over for good. I'm getting sick.

user165474

@DJMcMayhem import numpy;lambda x:sum(numpy.diff(x))/(len(x)-1)

Sick of PPAP?

@DJMcMayhem I like toying with it but the part that turns me off is how arduous it is to loop :P

@DJMcMayhem depends on how you define user. 4 people who regularly use it. ~10 people who use it every so often/ know the commands and I would guess 30 who have used or tried it.

Erik the Outgolfer

5:26 PM

@KritixiLithos Yeah, like almost everybody here AFAICT.

I don't know what that is, so I can't be sick of it.

@EriktheOutgolfer I don't know what PPAP means

Erik the Outgolfer

@Dennis @DJMcMayhem I hope you never know!

user165474

@DJMcMayhem Good for you! Glad you haven't been infected!

@DJMcMayhem it's some stupid meme song that's an earworm

it's not that big of a deal, it's just an annoying song

Erik the Outgolfer

5:28 PM

@Riker You just infected everybody.

who cares?

plus, I didn't link the song

4

Q: Metadata for answers?

It would be great to have an option in answers to add metadata. (This would be most useful for questions tagged code-golf, but maybe also other tags?) You would be able to put in the language, the golfed code, current byte count, and old byte counts. Then the data could be used to sort answers by...

discussion feature-request code-golf answers

3

Erik the Outgolfer

Well, I want to have good health anyways.

'Nuff said, discussion closed as off-topic.

This whole "What is noise?" thing is getting ridiculous

user165474

@Mendeleev Where?

5:37 PM

It's been a thing for months

where?

I don't see it being mentioned anywhere

user165474

I've never encountered it... where is it showing up?

@HyperNeutrino it's not on the starboard, nor on meta

Not being mentioned a lot recently, but it's been a large discussion topic a few months back

so?

it's mostly over now

5:39 PM

Then why is it getting ridiculous now?

Mostly

^^

@Mendeleev where do you see any evidence it's still here?

-_-

nothing has been trashed recently afair, and no new meta posts have come up

user165474

Why would you bring it up here? If it's annoying, why bother bringing it up again? Let it die.

5:40 PM

Never mind

I've had only one additional answer on Working on my Knight moves since posting the +250 bounty. It ends in three days, folks! Are you going to let aditsu and cjam win?

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

When Fibonacci Meets the Queens code-golf chess fibonacci (inspired by Helka's response to my random pairing of "chess" and "Fibonacci" tags in chat) Fibonacci The Fibonacci numbers are one of the more well-known sequences in mathematics, where each number is composed by adding the two prev...

user165474

@AdmBorkBork I'd try but there's no way I'll come even close because I don't know how to program using any golfing languages.

user165474

I'll try though.

The golfing languages that I know suck at anything other than string manipulation/ascii art

user165474

5:46 PM

Maybe I'll look through the Jelly code-page or something like MATL or CJAM

user165474

I use python all the time ;_;

@KritixiLithos V, Carrot, and Charcoal? Yeah, interesting choices haha

And Retina

Oh yeah

Solution: learn IPOS also :P

user165474

I'm not sure it will be worth it though, because I can usually get 250 rep in 2 or 3 days if I try a bit, and it will take quite a bit of effort to golf that down.

5:49 PM

IPOS?

0

A: What programming languages have been created by PPCG users?

IPOS Made by me, DenkerAffe IPOS (short for I process only strings) is a stack-based golfing language made for complex string processing. It will have a huge amount of string manipulation builtins, so it will probably (hopefully) win every challenge which is about transforming an input string i...

@HyperNeutrino That's true. It's a superficially easy challenge, but the coordinate system really ratchets up the difficulty.

@DJMcMayhem Haha, my top 5 badges (excluding code-golf) are: string, polyglot, ascii-art, kolmogorov-complexity, number

3 of them have something to do with string manipulation

user165474

@AdmBorkBork Yeah. The coordinate system is definitely the hardest part about the challenge.

@KritixiLithos Mine are string, ascii-art, kolmogorov-complexity, arithmetic, math, so same here lol

5:53 PM

@DJMcMayhem How are you counting that?

But I got lucky with polyglot because people kept on upvoting 2 trivial solutions of mine really much

@tomdemuyt yeah, I'm sorry about that :/ I accidentally did chown $(whoami) -R /usr/bin/ for some stupid reason so right now my server is down — Downgoat Oct 3 '16 at 14:19

was this like the original downgoat server bork?

cc @Downgoat

user image

user165474

Mine are ascii-art, string, kolmogorov-complexity, date, and array-manipulation (not counting code-golf of course :P)

Oh, haha, I keep forgetting that I can look at my own profile tab

user165474

5:55 PM

By votes.

And I dabble with 2D languages for polyglot challenges

I don't even make the top 20 by code-golf, but I'm 7th in string

@DJMcMayhem I find it amusing that you made V, which is awful at math, but yet have two math tags in your top 5

@DJMcMayhem How do you see that?

@KritixiLithos codegolf.stackexchange.com/tags/string/topusers

I'm also 2nd in string questions, which is pretty cool

user165474

5:57 PM

@DJMcMayhem How do you figure that out?

I am 14th at polyglot (on the leaderboard \o/)

@Riker idk, it's not like I answer exclusively in V. Just close :P

user165474

Yay 3k rep! :D \o/

Actually, I can't tell if I'm 20th or lower

Ooo, two more ascii-art questions and I take over the #3 spot on the all-time askers list for that tag.

@DJMcMayhem You show as #20 for me

5:59 PM

Wait, I am 20th. I thought it was just showing me in that spot cause I didn't make the top 20, but I actually am 20th

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Apr '1718

The Nineteenth Byte

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