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4:04 PM
2
Q: Is it L-convex?

ZgarbBackground A polyomino is called L-convex, if it's possible to travel from any tile to any other tile by an L-shaped path, that is, a path that goes in the cardinal directions and changes direction at most once. For example, the polyomino of 1s in the figure 0 0 1 1 1 0 1 1 1 1 0 0 1 1 0 0 0 ...

0
Q: Infinite loop program

Erik KonstantopoulosYour goal is to make a program that outputs NOTHING (not even a leading/trailing space or newline or even a NUL or non-printable character), and produces an infinite loop. As usual, the smallest code wins! Also, you must not use built-in functions. Code length is counted by bytes, not characters...

 
Alright. I'm going to use the Netbeans Debugger on CJam to figure out what I'm doing wrong here.
 
That's funny. CJam uses longs internally for all numbers.
 
I have my grandma on speed-dial. I call it Instagram.
2
 
I guess that makes sense since you don't want to have to worry about an overflow while golfing.
@AlexA. Wow.
OK you didn't think of that yourself. I feel better now.
 
4:11 PM
:)
 
Oh, Alex is alive :)
 
I'm dead inside.
 
Yea, I've heard that birds have no soul.
 
Ah-ha! The block is on the stack too when it is executed.
The block is popped immediately in GS2 when evaled. That is where I have erred.
 
@Geobits There are very, very few relevant results for the Google Images search soulless bird.
 
4:13 PM
Oh wait.
Nevermind.
I hadn't stepped as far through the program as I had thought.
 
@AlexA. because they are commonly referred simply as birds
 
Haha
 
@Geobits They don't have soles either.
 
Or sols
@Geobits You got me.
 
4:18 PM
 
So now that you're here, can we expect some calamity and death? It's been kinda boring in here this morning.
 
@minxomat Aha, yes, the majestic owl tube
 
Owls are the best animal.
 
@Geobits I'll do my best. If you don't hear from someone in here in the next few minutes you can assume that I have dealt them some calamity and/or death.
@minxomat They're pretty good. My neighbor said that every night an owl perches on the railing of his back deck and stares into his living room.
 
Second place is cats. Cats and owls at once is cuteness overflow.
 
4:21 PM
When I lived in Seattle there was some random cat who would always sit in my living room window sill and stare into my house for hours on end.
 
if birds are soulless, what are cats?
 
I can't see how cats are better than dogs for... well, anything.
 
^
 
scratching? but yeah, pretty much this ^
 
I called him Window Cat (though his name turned out to be Chiba and he lived nowhere near me).
 
4:23 PM
@Geobits This is offensive to felines like me. Flagging
 
Dog on my lap. Lucy is best dog.
 
@quartata I thought you were a glider? Or are you a sailcat?
 
Hahaha
 
@Geobits Yes, I'm a sailcat.
 
I had forgotten about Cow and Chicken
 
4:25 PM
First person to get it right.
 
"I want to be the King and Queen of Cheese"
 
21mrA+_,{;[__{c*}{100/}{2%}{;}]mR~Np}/
Why does this throw a NegativeArraySizeException?
I didn't even know such an exception existed, and I know a lot of java. I guess it happens if you use reflection to make the array.
Oh wait...
That was dumb. I put the duplicates inside the array....
Hmm. Still doesn't work right.
21mrA+_,{;__[{c*}{100/}{2%}{;}]mR~Np}/ throws an ArrayIndexOutofBounds...
Half a moment...
OK that N shouldn't be there.
Alright I get it now.
So that works, but the lines are completely random.
They should be random but not two lines in a row...
 
Well, it sounds like this guy and I would not get along.
 
4:41 PM
Yea, I know people who have the same views. It's interesting how most only oppose the Supreme Court's power when it's something they disagree with.
 
Since Stack Exchange has effectively turned my profile page into a political platform without my foreknowledge or consent
How..?
 
By having the celebratory logo visible when viewing a user's profile.
 
That is a reference to "Rainbow Day". SO got a logo change for a day to celebrate the court decision in Obergefell v Hodges earlier this year.
 
Wow.
 
Meta exploded, of course.
 
4:43 PM
It was just for a day. Deal with it.
 
^
 
I like the part where he phrases it like they were specifically targeting him.
 
He is of course a victim, since other people who couldn't marry suddenly can.
</soapbox>
 
Is there a way to wrap the stack in CJam?
Like reverse it?
I have a value that is exactly one off from being accessible with a rotate :(
 
Pop the last into a variable, rotate, access, push variable?
Idk
 
4:53 PM
Hmm.
I guess it would be better to have it in a var anyways.
 
ti esrever dna ti nwod gniht ym tup i
 
I briefly thought that was Welsh.
 
You gotta type it upside down too.
 
ı dnʇ ɯʎ ʇɥıub poʍu 'ɟןıd ıʇ ɐup ɹǝʌǝɹsǝ ıʇ
 
Much better.
 
4:55 PM
Oh god my brain
 
So : sets a var in CJam right?
 
Yes.
But only uppercase letters are valid identifiers.
 
Gotcha.
 
0
A: Sandbox for Proposed Challenges

QuillionMutating variable Output n number of lines (where n is from 10 to 30, each run is random) where each line is either Array of n random chars (or String with n random characters) made out of letters only random int divisible by n (by int I mean a whole number of any kind) random double whose fir...

 
@Sp3000 you had a Seed answer? congrats on that :)
(somehow my HQ9+ answer is getting ridiculous amount of upvotes)
 
5:10 PM
+52/-0 is pretty good I'd say
 
yeah, and compared to the effort needed, it is infinitely good
 
lim_{effort -> 0} votes/effort = Infinity
I'm not familiar with it. I usually put a lot of work into solutions and get relatively few votes, with a couple of exceptions.
 
OK, but if votes = 1, that's still true.
 
Aww, you guys suck. My top voted posts (here at least) all had at least three minutes of thought put into them.
Though I have quite a few where the votes definitely outweigh the effort.
My infinite loop one is +29 right now, for instance.
 
5:16 PM
My highest voted infinite loop is +4
 
Oddly, none of my top six answers are on PPCG.
 
That's impressive!
People are much less generous with votes on other sites.
 
Well, my top answer is at +98 on Puzzling, despite it being complete bullshit :D
My second at +88 is on EL&U, and is about bullshit.
 
I have spent days on some problems. This ought to be the one with the lowest votes/effort ratio:
2
A: Solve the Rotation puzzle

DennisGolfScript, 39/83 bytes # Optimized for size: {.4rand.p.2/+>`{?1420344440`=}+$..$>}do # Optimized for speed: 6,(7++:t;~{.(1=.@7=9=+4\-rand+..2/+@.@>:s^[3s=0s=2s=4s=1s=]+s|.)9<\t>|}do.$>30764`* Speed vs size The size-optimized version randomly chooses clockwise rotations until the desired p...

 
@Geobits That's bullshit.
 
5:23 PM
Awh man I finally got the mutating variable answer working, and then the question got removed by the author.
Ah well. I'm still proud of my first CJam program.
 
It's in the sandbox now, so hold onto your code ;)
 
Oh OK.
Phew
I like CJam a lot better than some of the other stack based languages I've tried since it has variables and a stack.
 
You should try Mouse.
 
I think I might actually be able to solve some challenges with it.
Ooh what's that?
 
An old stack-based language where the stack can only contain integers.
The Mouse programming language is a small computer programming language developed by Dr. Peter Grogono in the late 1970s and early 1980s. It was developed as an extension of an earlier language called MUSYS, which was used to control digital and analog devices in an electronic music studio. Mouse was originally intended as a small, efficient language for microcomputers with limited memory. It is an interpreted, stack-based language and uses Reverse Polish notation. To make an interpreter as easy as possible to implement, Mouse is designed so that a program is processed as a stream of characters...
 
5:26 PM
Interesting.
 
I've posted in it a few times here.
It's not particularly competitive in most cases.
All programs have to end with $, which adds a byte right off the bat.
 
Still cool looking. I can see how it inspired a lot of the other stack based languages.
 
Yeah. I've played around with it a bit, it's pretty fun despite not being likely to win at code golf.
 
@AlexA. Oh boo hoo, all programs require a single byte of boilerplate :P
 
Crimea River
 
5:33 PM
++++[++++>---<]>.+[++++>---<]>-.+++++++.-[---->+<]>++.---[->++++<]>-.----.--.--------.--[--->+<]>-.+[-----‌​>+<]>.++..+++.[--->+<]>-----.
 
Moor?
 
Yes.
 
The Moors were Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages. The Moors were initially of Berber and Arab descent, though the term was later applied to Africans, Iberian Christian converts to Islam, and people of mixed ancestry. In 711 the Moors invaded the Iberian Peninsula from North Africa and called the territory Al-Andalus, which at its peak included most of modern-day Spain, Portugal, and Septimania. The Moors occupied Mazara on Sicily in 827, developing it as a port, and they eventually consolidated the rest of the island and some ...
 
Just like how the Heavy Weapons Guy pronounces it.
 
Heavy Weapons Guy?
 
5:35 PM
Yes.
 
From TF2
 
How did we go from CJam to TF2 again?
Back on track.
I've been thinking about making a challenge involving how the florets of flowers generate based on Fermat's spiral, but the tricky part is I wanted to make it so that you actually then draw the florets...
I wanted to make it so that you could either ASCII art it or plot it if you were Mathematica, but then it would give Mathematica quite an advantage since it can just plot the points...
 
The Scout can draw them for you.
 
And I'm not sure quite how to make the rules for ASCII art it.
For reference.
How could I make this work?
 
I'm personally against the use of and together for a single challenge, where folks choose whichever. It makes the answers harder to compare. "Martin did it with a plot in Mathematica in 14 bytes, but Dennis did it ASCII art in CJam in 13 bytes." Sure, you can compare the byte counts, but the answers would basically be for different questions.
Do you see what I mean?
 
5:45 PM
Yes.
The trouble is I guess I'm not sure which one to choose then.
Not all languages can do graphical output, and making the rules for the ascii art would be very difficult.
 
For graphical output challenges, it's generally accepted that not all languages can (easily, or at all) enter. It hasn't stopped them before.
 
^
Looking at the Wikipedia references, making that ASCII art seems like it would be incredibly difficult to make the output look like a spiral rather than a random bunch of characters.
 
Yeah...
I guess I'll go with graphical output then.
BTW is it considered bad form to post an answer on your own challenge? :P
 
Not necessarily. People do it all the time.
"All the time" -> occasionally
 
I only consider it "bad" if it's very competitive and immediately posted. Not bad because it's wrong or anything, but bad because sometimes it makes people less interested in competing.
 
5:49 PM
^
 
Alright, cool.
 
6:02 PM
If this is the ninteenth byte, where are the first through eighteenth?
 
In "the ninteenth byte".
 
It checks out.
 
(Doesn't work if you correct the typo though.)
 
But you just corrected one yourself :P
 
Alex stands firm on his typos.
 
6:09 PM
That's what happens when you hunt and peck.
 
I see what you did there.
 
In case you are serious:
 
Whew, I'm glad someone did >_>
 
In golf, the nineteenth hole is a slang term for a pub, bar, or restaurant on or near the golf course, very often the clubhouse itself. A standard round of golf has only eighteen holes, so golfers will say they are at the 'nineteenth hole', meaning they are enjoying a drink after the game. The concept is similar to Après-ski in skiing. The 19th hole on miniature golf courses is often a hole in which if a hole-in-one is scored, one receives a free game. == References in media == The golf stories of author P. G. Wodehouse, which are narrated by his character, the Oldest Member, discuss the nineteenth...
 
he means V_V
 
6:10 PM
@Dennis When am I ever serious?
6
 
^ valid point
 
@quartata not all numbers, it also uses bigints and doubles
@quartata wrap the stack: ] (probably not what you wanted)
@quartata reverse it: ]W%~ (maybe also not what you wanted)
 
0
Q: How can Pyth be improved?

isaacgPyth is in ongoing development, meaning that new features are being added all the time. I want to make Pyth a better langauge, so I'd like to know what features people are looking for. This is the place the post ideas you have for making Pyth better. In your answer, please state: What you'd ...

 
@quartata which other stack based languages don't have a stack? :)
 
Stacks are just a myth
 
6:20 PM
@aditsu I meant for non-floating point numbers. And when does it use bigints?
@aditsu I meant not all stack languages have variables.
 
when longs are not long enough :p
 
Ah
 
In all seriousness, why does that question need to be CW?
 
Why doesn't it just use ints normally and longs when ints aren't long enough, then bigints when longs arent long enough?
 
@Geobits It's more of a discussion and collection of suggestions. It doesn't really make sense to gain/lose reputation in this situation.
 
6:22 PM
You mean like every other question where people get rep?
 
This is entirely different than golfing suggestions; it's the development of a language.
 
@quartata because that gets too complicated and error-prone
I already had several bugs about the numeric types
 
I agree that such questions should be considered on topic provided that they're 1. about an existing golfing and/or esoteric language 2. community-wiki. — Dennis ♦ Sep 7 at 19:27
 
^^^^
 
Alright cool.
 
6:25 PM
@AlexA. That's a comment on an answer that doesn't mention CW at all. The answer itself has 6x the upvotes that comment does...
Your answer clearly says we should welcome it because it helps the golfing community. That deserves rep IMO.
 
(Note that both of the answers on that meta post were from me)
 
I know, but nowhere except in a comment is CW mentioned, which is my point.
 
It's more of a discussion and collection of suggestions. Nobody should gain or lose rep for suggesting a Pyth feature. Also, implemented suggestions should probably be deleted. This related question is also community wiki. — Dennis ♦ 1 min ago
 
Yes, I saw that. I don't agree with it, but I saw it ;)
 
Haha
 
6:28 PM
even in the latest release, 65537_*mp returns 1 >< (I already wrote a fix for it)
 
This is basically a different way for people to post feature requests on GitHub, which awards no rep or anything.
 
I don't agree either since the answers are original/individual ideas. I was merely pasting a relevant comment.
 
The question should be CW for the same reason meta doesn't award reputation. It doesn't make sense to earn or lose rep because somebody agrees or disagrees with you. Even downvoting a suggestion would cause the downvoter to lose rep.
 
Honestly, I don't have anything to gain or lose here. I don't use Pyth now and don't have any suggestions for it. I just think "This doesn't deserve rep so it should be CW" is a weird stance.
 
@Dennis that never stops geobits :p
 
6:33 PM
If the argument is that it's more meta than most questions, then it seems like it would either be off-topic or meta (not my position).
 
It's not on topic for meta since it's not about the site
 
Like I said, not my position ;)
 
Right, just saying.
 
0
Q: Self-Mutilating Program

mbomb007Simply put, your goal is to create a complete program that modifies its own source code until every character of the source is different than what it started as. Please include the beginning source as well as the ending source in your post, as well as a description. E.g. Describe what (else) you...

 
@undergroundmonorail your avatar looks like Spanky Ham :)
 
6:36 PM
i have never seen drawn together in my life but now that i've looked it up i can see the resemblance
 
one of the most offensive cartoon series I've seen :p
 
I think Cyanide and Happiness would be one of the most offensive I've seen
but its funny too
 
Really? I don't consider it all that offensive.
 
Now that's offensive.
 
6:38 PM
how?
i dont get it at all
 
it's not actually offensive
 
28 mins ago, by Alex A.
@Dennis When am I ever serious?
 
and in hindsight it was probably a poor example if you don't already understand the character
 
that's offensive because ca... ooh shiny!!!
 
maybe this one
 
6:40 PM
The guy on the right is a bit disturbing, but not offensive :P
 
wow, I am totally not getting these jokes. if they are jokes, that is.
 
(Also not offensive, unless you're PETA and can't stand seeing cats sprayed with water for bad behavior)
 
PETA wouldn't want you to have pet cats at all, much less spray them.
 
@Optimizer They're jokes, they just aren't funny. :P
 
6:41 PM
Brace yourselves. Plane crash videos are coming!
 
that might be the worst-drawn cat I've ever seen :)
 
the whole joke is "stereotypical secret agent tropes except the secret agent is a cat"
if you're looking deeper than that for humour you've gone too far
 
Haha
 
AlexA.
 
WTF, another sock??
 
6:43 PM
@Geobits I lost any shred of respect I may have had for PETA when they announced their stand on pitbulls: they should all be euthanized for being pitbulls so that the breed dies out entirely. As a former foster parent of a wonderful pitbull, ಠ_ಠ.
 
starboard looks pretty funny right now
 
@Optimizer Why would you assume it's a sock?
 
@AlexA. I hadn't heard that stance. Not that I have any respect for them anyway, but "kill all the pitbulls" doesn't seem to fit with their overall theme.
 
@AlexA. I've seen this conversation before
 
6:45 PM
Hahaha
 
I think its more than those two lines
 
What's more interesting is that the starboard is on the starboard side. (Am I the last to make this revelation?)
 
The last so far, yes.
 
Dang. Next time...
 
@AlexA. Who else makes ten edits to add syntax highlighting, then jumps straight into chat?
 
6:46 PM
@AlexA. they WHAT??!?
 
@aditsu Yeah.
@Geobits Seriously? ಠ_ಠ
 
Shame on you Alex!
 
For what?
 
for @ ಠ_ಠ and @ Haha
 
@AlexA. anyway, I already lost any respect for them after watching the related Bullshit! episode
 
6:49 PM
@Optimizer So now you think both of those accounts are my sock puppets?
 
"now" ?
 
:/
@aditsu I'm not familiar with Bullshit! (other than what comes out of my mouth constantly)
3
 
that said, I think pitbulls are potentially dangerous animals and only responsible people who know what they're doing should be allowed to keep them
 
and they make a lot of sound!
with repeated words
 
@AlexA. it's the less magical TV show from Penn & Teller
 
6:51 PM
oh? they have another?
 
they have/had a bunch of shows
that reminds me, I should catch up with "Fool Us" :p
 
I don't have any problem with them encouraging people not to breed more pitbulls (or vastly fewer, anyway). They really do crowd the shelters, at least here in Florida (along with Chihuahuas). That being said, a simplistic "let's kill all newly sheltered ones" is terrible.
 
@aditsu I don't think they're any more or less dangerous than any other dog of a similar size. They aren't bred to be aggressive toward people. They were bred to be powerful but to be good house pets. The breed's nickname used to be "The Nanny Dog."
 
@aditsu it ended
 
not yet for me ^^
 
6:53 PM
@Geobits I think part of the reason why they end up in shelters often is the stigma against them.
 
@AlexA. there are some stats that pitbulls are something like 6% of dogs but cause >60% of injuries
 
Source?
 
@AlexA. At least here, it's because many low income families breed them to sell the puppies. Many don't get sold, and end up roaming the street. I don't know what it's like elsewhere, but there are tons of them here.
 
let me find it...
 
58 secs ago, by aditsu
@AlexA. there are some stats that pitbulls are something like 6% of dogs but cause >60% of injuries
 
6:55 PM
:P
 

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