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00:00 - 16:0016:00 - 00:00

12:10 AM
I'm still trying to figure out how I want Slip's output to work :( (eg whether to return strings in addition to matched cells, whether to have cells matched multiple times included more than once...)
It's about time I did this anyway :P makes writing unit tests easier
 
@Sp3000
 
12:26 AM
@AlexA. ?
 
@Sp3000 !
Hey what's up
 
@AlexA. Just saw GY!BE (finally!) ;)
 
Hello, it's a very rainy day over here. Walking to uni.
 
@MartinBüttner: You mean you saw them live? Are they still together?
 
they are again. they reunited two years ago or so.
 
12:30 AM
@Sp3000: What is uni? I didn't know it rained in Australia. :P
 
I also had tickets two years ago but couldn't go in the end :/
 
Ah that sucks. :(
But at least you saw them now!
Was it last night?
 
it was two hours ago
 
Oh right, it's like 1:30am where you are. It's 5:30pm here.
So... HOW WAS IT?
 
2/3 were absolutely insane, 1/3 was general weirdness... just like their records basically :D
no Dead Flag Blues though :(
 
12:36 AM
Oh bummer. What album is that on? I thought it was on Yanqui UXO but I looked it up and was wrong.
But I'm glad you had a good time! :)
 
no it's the first track on F#A#∞
 
@AlexA. University. And just becauae the outback's dry doesn't mean the coasts are :P
 
you know, that post-apocalyptic one, "the car is on fire and there is no driver at the wheel..."
 
Yes! I know the song, just couldn't recall the album.
 
writing up the list right now...
 
12:38 AM
@Sp3000: How hot does it get there on the coast? Probably not as hot as the outback. Do you have kangaroos and shit?
@MartinBüttner: Liiiiiiiist. So ready.
Wait, don't you need, like, sleep and whatnot?
 
Hot? In summer, very but I think Western Australia has it hotter. Kangaroos? Not in the city, no :P
Unless you count the zoo
Otherwise you'd have to trek towards the desert
 
Is it obvious I know absolutely nothing about Australia?
 
@AlexA. The girlfriend has night shifts this week, and with me not having any lectures and the code jam the other day I sorta got dragged into her sleep cycle.
 
Ugh, night shifts. That's rough. What does she do?
 
Don't worry, knowing about other countries is hard :P Most people think Sydney/Melbourne is the capital.
 
12:43 AM
@AlexA. health care assistant in a mental health hospital
 
@Sp3000: I didn't think the capitol was Syndey or Melbourne... But then again I didn't think anything about what the capitol of Australia is.
@MartinBüttner: That's really, really cool.
That's something that means a lot to me, so I'm glad to hear of people who have chosen to do it.
 
Night shifts at a mental health hospital... That can't be easy. Makes me happy she's willing to put in that kind of effort to help people.
 
Recipe for a horror game, anyone?
 
@PhiNotPi: Eggs, mustard, and Polish sausage.
1/2 cup each
 
@AlexA. That actually sounds amazing... Like a good horror game, I suppose.
 
12:52 AM
Amnesia: A Machine for Pigs... Polynesia: A Mustard for Sausage.
(As an aside, Amnesia: A Machine for Pigs is a great horror game. Stuff like that doesn't usually frighten me, but that game made me so tense I almost threw up. Real talk.)
 
@BrainSteel She's working in the ward for adolescents with eating disorders (who are mostly asleep at night), so it's not as creepy as it sounds. ;)
 
@MartinBüttner Yea, I stumbled across it in a puzzle collection app I found. Been playing it for a couple weeks now :)
 
@MartinBüttner Less creepy, but still difficult. :) She still deserves respect for that!
 
^ Truth
 
@BrainSteel oh yes, for sure. :)
 
12:56 AM
Well Martin, your girlfriend has the approval of strangers on the Internet. Congrats!
 
At least it's a bunch of people who write meaningless code for fake internet points. You wouldn't want weirdos to approve of your girlfriend.
8
Dang, starred twice four times already.
 
Am I allowed to not approve of your girlfriend?
 
@PhiNotPi Not any more. Peer pressure and stuff...
 
@PhiNotPi: Only if you're a weirdo who writes meaningful code for fake internet points.
 
Why does it seem that whoever points out our odd little endeavor for internet points gets starred to death? Sometimes we are a very strange community.
 
1:04 AM
Sometimes?
 
I ain't complaining :)
 
It's why I spend so much time here.
 
New idea: PPCG raids the sandbox chatroom.
 
Haha
@BrainSteel: I forget, are you the one in Flatland?
 
@AlexA. I think you mean somebody else :(
 
1:16 AM
@Doorknob: o/
 
Hello!
 
\o/
 
@BrainSteel Of course, by Flatland I mean Kansas.
 
~o~
 
I'm slow today... Yeah, that's me :)
 
1:16 AM
 o/
/|
/ \
This is the highest natural point in Kansas:
It's called Mount Sunflower.
 
The "Mount" seems like a misnomer
        _
     ,:'/   _…_
    // ( `””-.._.’
    \| /    6\___
    |     6      4
    |            /
    \_       .--'
    (_'---'`)
    / `'---`()
 
Hey, it's very exciting for Kansans to stand atop things!
We only get to do it so rarely...
 
Surely you could find something to stand on... Do you have buildings in Kansas?
 
@PhiNotPi Already done.
 
Several of them. They're just not exciting to stand on.
 
1:27 AM
Highest natural point in Washington
 
sticks fingers in ears Lalalala, I can't hear you...
 
@BrainSteel: Afraid of heights?
(If so I'll just delete the picture out of respect)
 
@ASCIIThenANSI Is that somewhere you've been?
 
No, I love heights. It just triggers sadness to see that and then the relative flatness of my state :P
@ASCIIThenANSI Well, it depends on how you define height...
 
1:31 AM
@BrainSteel Well, if you ever visit the Pacific Northwest, I'd be happy to give you a list of all of the tallest things to go see.
 
@AlexA. I'm trying to convince my family to travel to Yosemite :)
 
Excellent choice!!
The entire Pacific coast is fantastic. Far superior to the Atlantic coast.
Granted I've never been to the Atlantic coast...
 
I'm pretty sure all coast is better than Kansas :P
 
Never been there either. I assume it has some redeeming qualities...
 
It's fine for flying things and growing things, so far as I can tell.
 
1:42 AM
What do you do there?
Are you involved with aviation and/or agriculture?
 
I'm a student at WSU. Electrical Engineering and Math. My father was an Aerospace Engineer, so that's basically why I'm here.
 
Hey, my father is an aerospace engineer as well!
And I also studied math in university.
(No electrical engineering though)
 
Completely random observation: the USSR had a pretty good choir group.
 
^ What
In all of the USSR, a huge country, there was one good choir group? :P
 
@AlexA. Hooray complete coincidences! Actually, if you've studied math, chances that we both end up here are a lot higher...
And if your father was in AE, chances that you studied math are much higher...
 
1:53 AM
Oh chances
I suck at reading
 
my wife's sister & brother-in-law are AEs
and i'm an astronomer
smalllll worllllld
 
@sirpercival: I worked in a lab in my university's AE department doing physics related to astronomy.
 
awesome
 
Do you work in an observatory and the whole 9 yards?
I spent years wanting to be an astronomer.
 
My brother studied astrophysics!
 
1:59 AM
Dude, this world is crazy small.
 
@AlexA. i'm finishing the last year (year 7 ugh) of my phd
 
@sirpercival: AWESOME! You're so close! You'll then be Dr. Percival.
@BrainSteel: My sister studied physics!
 
haha i can't wait
 
My sister studied physics too!
 
println("WHAAAAAAAAT")
 
2:01 AM
And philosophy... But nobody cares about that...
 
Yeah, irrelevant.
 
(I'm sorry)
 
So basically it sounds like your family is a bunch of geniuses.
 
"Philosophy of Physics" is apparently an interesting field?
 
metaphysics
 
2:02 AM
Yeah, we're pretty neat.
We're all going to end up with 3+ degrees at the end of this, I think...
 
@BrainSteel Sounds pretty interesting to me.
@BrainSteel Is that 3+ degrees each? ;)
 
It's kind of neat. I distinctly remember a long conversation about how it seems probability experimentally follows our mathematical model, but by probability alone it would be impossible to verify... or something. And yeah, in a perfect world (which ours isn't) we would each have 3+ :P
 
Enter PhiNotPi
From now on, I'm going to give myself stage directions wherever I go.
 
Please do
 
I'm so excited for this new element of Phi.
 
2:17 AM
But as an accompaniment, you'll need to start programming in SPL.
 
Please do
 
@BrainSteel Was the reference to Element a PhiNotPi pun?
 
That was good.
 
@AlexA. @BrainSteel, @everyoneelsewhowantstocheckoutsomeinstrumentalrockmusic: finally done... enjoy
3
 
2:23 AM
@MartinBüttner: Awesome.
 
@MartinBüttner Thank you! Amazing.
 
Thanks for putting this together! :D
 
seeing that this is the third time I had to put together a list like this, I figured I could just do it right for once, so it doesn't take as long next time :D
 
This is great. I now have a lot of listening to do :D
 
@MartinBüttner: Did you check out the earlier Russian Circles albums (e.g. Enter)?
 
2:25 AM
not yet, I didn't want to subject my girlfriend to post metal over the weekend ;)
 
Aw, so sweet. ;) My girlfriend likes a lot of the post metal stuff I like, so it works out for us when I want to put on that kind of stuff.
 
You people and your fancy shmancy girlfriends... ;)
 
My girlfriend is pretty fancy. Or if not, at least she's shmancy.
 
@Calvin'sHobbies Well, I solved your challenge after much toil and trouble... And it came out to 505 bytes. This is a bit embarrassing.
 
@MartinBüttner: I had forgotten about God is an Astronaut! Got into them in high school and completely forgot about them for many years.
 
2:29 AM
I used to have one of those.
 
@AlexA. I do also sometimes forget about them :D... they're nice though :)
 
And the Red Sparowes honorable mention! I saw them in 2007. Good show.
 
Exit PhiNotPi
 
And Jesu! Saw them too!
They played with Isis and Zozobra.
 
Ah, I forgot something. There's a great sampler done by oxide tones, called Ode to an Unspoken Movement (they had a kickstarter for it, but didn't get funded, but released the album as a download anyway). There's a lot of great stuff on that sampler.
 
2:33 AM
I'll make a note somewhere :)
 
Nice.
 
(in addition to instrumental stuff, there are also two amazing tracks by the UK math rock band Monsters Build Mean Robots. check out 24. A Town Called Tourettes.)
 
Mm, Martin: Do you like Dredg?
I love Leitmotif, El Cielo, and Catch Without Arms, but I really dislike their most recent two studio albums.
 
@AlexA. I may have heard that name before, but that's about it.
 
Did you listen to the festering turds that are the songs I sent of me through the years?
 
2:37 AM
also not yet. I'll probably go through all of that tomorrow night.
 
The two older ones are serious turds. Please disregard the first 20 or so seconds of the oldest song.
 
lol will do
 
I was saddened to learn that you aren't a musician. I was beginning to get my hopes up that we'd start a mathy post rock band.
With @BrainSteel too.
 
@AlexA. @BrainSteel if you actually do take the time to go through a substantial part of that list, I'd be very curious what you liked most. :)
 
I... uh... play trombone...
@MartinBüttner My notes are going to need to be more rigorous :P
 
2:41 AM
lol
 
@MartinBüttner: I'm familiar with about 40% of it but I want to revisit the ones I haven't listened to in a while and also check out the others.
Also @MartinBüttner: Do you know/like ...Of Sinking Ships?
 
@AlexA. I played accordion and keyboard for years (like... 9 or so) as a kid, but in a pretty shitty music school, so I sort of gave it up. maybe I'll pick up proper piano lessons again some day, or start drums or something.
@AlexA. don't know them
 
@MartinBüttner One album. Poppy instrumental post rock. One dude.
 
I mean, I'd learn how to play piano just based on the words "mathy post rock band."
 
@BrainSteel: LET'S GET THIS PARTY STARTED.
 
2:45 AM
Give me about 10 years...
 
Hmmm... Granted.
 
Unless you want to hear the wail of a trombone over your marvelous composition, that is.
I can do that.
 
On a slightly related note, have you seen the video of a guy who straps a GoPro camera to his trombone?
 
Yes. Yes I have. It's the best.
 
oh god, that's just wrong :D
 
2:49 AM
@MartinBüttner: ...Of Sinking Ships - The Last Signal
@MartinBüttner: I believe the word you were looking for was incredible.
 
I'm with Alex on this one. That man is a genius.
 
@AlexA. this is nice
 
Glad you like it!
 
0
Q: What should we do with challenges with unfortunate win conditions?

orlpThis has now happened three times in recent history: Two-zero-one-five puzzle Stringing a Pearl Necklace How do I get more Klotski in my life? All questions have technically correct and unambiguous win conditions. However I strongly believe that their way of scoring is anti-fun. In all of th...

 
@MartinBüttner: Dredg - Whoa is Me
Wasn't sure what a good single-track introduction would be, took a shot with that one.
Enter PhiNotPi
 
3:04 AM
So tempted to kick him and say Exit PhiNotPi. :P
 
Hahaha
 
@AlexA. that's quite interesting, I'll have to remember that
 
Isn't "Stringing a Pearl Necklace"(codegolf.stackexchange.com/questions/49061/…) flawed also because the shortest solution will be exponential?
 
@randomra: Why does that constitute a flaw?
@MartinBüttner: Is that good interesting or bad interesting? ;)
 
you will never see it working on bigger than 3*3 boards
 
3:09 AM
@AlexA. good interesting, else I wouldn't have to remember it :P
 
You never know, it could be "remember to never listen to this again"
 
@randomra "Solutions should be able to solve the test cases in seconds/minutes/hours, not days/weeks/eons."
 
@MartinBüttner my bad, I should quick-read more precisely
 
@randomra Why not?
 
@Doorknob I haven't realized the time constraint. Trying all possibilities is simple and would have taken a lot of time (like 2^100 steps).
@orlp These are not too popular but I don't think they should be fixed. This is a great working example IMO.
 
3:19 AM
[]()
 
@randomra needs http
 
It takes a village
 
I never get it right...
 
It takes the Markdown helpline.
 
@randomra that's not a good example IMO
a chess program is not a hard problem
it might be a lot of code to golf, but in of itself that's not a problem
it becomes a problem if solving the problem is hard - then you can't easily change around your solution for golfing
 
3:24 AM
I'm going to go do things and/or sleep. Have a good (insert your time of day here), everyone!
 
Okay! Goodnight!
Err... Morning?
 
That's... it's brilliant...
 
@xnor I knew I should have done recursive :P didn't think of '('in z though
 
the funny about these recursions is that I start by simply storing the variable in the arguments to save on an indent, then realize I can recurse
 
3:37 AM
Well in any case, nicely done :)
esp with the i==b
 
3:50 AM
thanks!
 
The second line looks so golfable and not golfable at the same time :(
 
actually, your approach gives the same length i-=x<')';z+=i and' 'or x;i+=x>'('
 
4:03 AM
@xnor btw I've been waiting for you to demolish me in quilt :)
So close to beating JS
 
4:55 AM
Challenge idea: print the longest prefix of a given text with an N-by-N codeblock (N is arbitrary) while there is no row or column with two of the same character in it.
 
5:14 AM
Alright! I've implemented "implicit indexing" for inca3. `
b←2 3 4⍴⍳2×3×4
2 3 4 #
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
i←0
#
0
j←1
#
1
bij
4 #
4 5 6 7
j←j+1
#
2
bij
4 #
8 9 10 11
`
I've been reading Knuth v2,ch4 for background before trying to implement an arbitrary-precision arithmetic type.
 
 
3 hours later…
8:03 AM
Character Long ArrayList e[ not implemented :(
@aditsu ^
 
My jigsaw challenge hasn't got any answers -.- I don't know if starting a bounty is worth it at all
 
8:52 AM
argh, I ruined Martin's lovely snippet output
I hope that resolves itself with time...
 
time heals everything
let me punch you then
 
yay, the evidence is gone
 
9:27 AM
@rcrmn Just remember: Bounties aren't magical.
 
Yeah, that's why I don't think it would work, it might give me an answer or two, but not much...
 
 
2 hours later…
11:42 AM
10 answers and 56 upvotes remaining ...
 
12:24 PM
@Optimizer ticket it
probably more likely to get fixed that way
 
12:35 PM
Hmm, I once wrote an ungolfed version of the Telescopic Parenthesis thing, but it also supported arbitrary code inside the parenthesis
I use it to readablify my oneliner Python lambda constructions
 
0
A: Sandbox for Proposed Challenges

trichoplaxFlit - a simple board game for bots king-of-the-hill Note: adjacency is vertical or horizontal - for this game there are no diagonal neighbours. Overview The board is a square grid. Each bot starts with 2 pieces of their colour, and gains more pieces by converting neutral pieces that appe...

 
1:03 PM
@Sp3000 I have a few CTF strategy ideas.
 
I haven't looked at the spec yet because I'm hoping for more entries first, but go on :)
 
Well, the main difference, in terms of movement, is that players have a "strength" meter which determines how far they can move that turn. It basically allows sprinting for short periods of time.
(I think we are going to have to implement a more advanced way to determine which moves are safe.)
 
Can you pass flags to your own teammates?
 
If a person carrying the flag is captured, the flag is dropped on the spot, but no, you can't voluntarily drop the flag.
 
:( damn
 
1:11 PM
If you could drop the flag, you could drop it whenever an enemy got to close, kicking them out of the zone.
 
Ah, that makes sense
 
Leave this here for fun
in RegEx - Regular Expressions on Stack Overflow Chat, 1 min ago, by nhahtdh
Quiz time. Which ones of these regexes compiles in Java:
A. "(?<=.*a)"
B. "(?<=a.*)"
C. "(?<=.*a.*)"
D. "(?<=.*a.*.*)"
E. "(?<=.*)"
F. "(?<=.*..*..*..*..*)"
 
B
 
I think the key is to find a way to determine which pixels can be reached by you before the opponent and vice-versa.
 
at least, that would be my guess
 
1:16 PM
brb
 
I'll guess E :D - sort of reminds me of this
 
1:42 PM
@randomra if you can solve that in Pyth without repeated characters it's trivial :P
 
1:57 PM
@Optimizer ?
 
@MartinBüttner yup
 
@Pietu1998 That's more like the first challenge I linked then.
 
wow, using souble f with brackets and without brackets is leading to same bytes in my case ...
 
@Sp3000 definitely E, but A and F might as well.
 
2:15 PM
@Sp3000 Once we determine a method of telling which bot is closest to any particular spot, then the bot moves in a way to maximize the protected area.
 
ughh, already lost to APL
 
@Optimizer the -1 requirement is so annoying :/
without it I've got 48
 
2:30 PM
so with it , you must have got 55 then ?
because for me, it consumes 7 bytes
 
I don't think I can do it in 7
 
but I did it in 7
what's your code ?
 
@Optimizer well, congratulations :D
 
:/
 
did it in 4 ;)
 
2:39 PM
@MartinBüttner well, congratulations :D
 
:P
okay, 5 actually
 
so 53 ?
 
Would someone mind editing my post's name in the Sandbox list? It's currently under 'A New Kind of KOTH - Work with other bots', but I've changed it so much that the title is now misleading.
 
@Optimizer yes, posted
 
that's beatable..
 
2:46 PM
of course it is
it's also golfable :P
 
lets see :P
is that $ really required ?
 
yes, that's the 5th byte for -1 :D
otherwise the result of ff{-z} depends on whether the empty array is first or second
 
alright 52
 
yeah I found 1 byte in the meantime too
 
I win the tie for now :P
that APL's 49 is incorrect (at least from the examples... )
 
2:54 PM
@Optimizer I should start editing every single byte separately...
 
@MartinBüttner not like I did that :P
I can use ur parsing method to get 50 :D
 
what your parsing method is even worse than mine? o.O
mine looks so cumbersome
 
well, no. I need _] after yours, so makes it 52 again
I wish, filter won't leave stuff behind..
that is the job of a filter, to not leave stuff behind -_-
 
well that would be one byte
 
what would be ?
 
2:59 PM
if it didn't leave stuff behind, I could save one byte
 
for me, I can save 2 bytes .. if filter did not leave stuff behind
 
well then I'm glad it leaves stuff behind :P
 
F u
:P
 
(Urgh, no wonder the Stack Snippets/Soundcloud sometimes failed. Damnit HTTPS everywhere)
 
0
A: Sandbox for Proposed Challenges

Sp3000Generating Euclidean rhythms Did you know that the Euclidean algorithm is capable of generating traditional musical rhythms? Here's how it works. Pick a positive integer n, the total number of beats, and a positive integer k, the number of beats which are sounded. We can think of the rhythm as ...

 
3:01 PM
well, I'm done for now.
 
Another bird just died by running into our window.
 
nice view!
although a bit small desks
 
@Optimizer (of dead birds)
 
and loads of free walking space ..
(which could have been used to make desks a bit bigger)
 
@Rainbolt Maybe you should mount bird-targeting lasers.
Sure, the birds die anyway, but you have some nice roasted bird or squirrel...
 
3:02 PM
My desk is actually quite large. The pod in the middle looks kind of small
 
@ASCIIThenANSI and kill then anyways ... -_-
@Rainbolt just looks or is too ?
 
Not a big fan of open offices. Have one now - constant distraction.
 
@Optimizer Confirmed... the pod in the middle actually has smaller desktops
 
desktops ?
 
The top of the desk...
 
3:04 PM
:D
I thought the PCs
 
@Sp3000 nice challenge :)
 
Btw that power symbol in the middle is our Sun
 
@Rainbolt Wonderful. Now you can feel like an king, looking down on your small-desked subjects.
 
I'd pull another Morse with audio output, but I'm not sure if that'd be too tacky for something which seems nice and algorithmic
(unless there's a really simple formula for which bits are 1s, in which case uh oh)
 
yeah I actually prefer that as ascii output
 
3:05 PM
you know what's better than open offices ? this (NSFW)
2
 
I wish I could read right to left
2
 
Because I totally clicked on that and then mashed ctrl+w a billion times and closed every tab I had open
 
its right next to it . how could you miss it ? :D
(pun intended)
 
Word... word... LINK CLICK IT NAO!!!!
 
3:07 PM
oNo
 
@MartinBüttner Woops I described the algorithm slightly incorrectly. Good thing it's still in the sandbox :D
But I like it this way though... hm...
 
@Sp3000 what's different?
 
The paper starts by distributing zeroes, so n=3, k=2 -> x.x
Whereas with the way I've described it nothing is done since we have one remainder, giving xx.
Music-wise they're just cyclic permutations, but it matters for the challenge :P
 
doesn't that just mean that the paper does "do...while" and you do "while..."?
 
Basically
I don't like do-whiles :P
 
3:34 PM
well now that CJam has w I don't care :P
 
Well, more like I'm not sure if that would make this slightly more complicated or not
Ahaha
I think more languages have while but not do-while than have do-while but not while, so I might go with that
 
while is probably also more likely to yield an analytic solution
 
I sure wonder if there is one...
 
if there is, xnor or Peter will surely find it ;)
 
And then everyone else will copy it and it all goes downhill :P
 
3:38 PM
even the analytic form might be fun to golf
 
I just got a mail from wordpress saying that it has updated itself on my site automatically. o.O
 
it does that
 
first time for me
Dunno if this is good or bad
 
3:59 PM
morning all
(just barely)
 
If you say so :)
(5pm here...)
 
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