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9:02 AM
CMC: prove that every spanning tree on an MxN grid (M,N > 1) has at least two distinct leaf nodes.
IOW, prove that every proper maze has at least two dead ends
 
I don't get it; doesn't any tree with at least 2 nodes have at least 2 leaves?
 
It does (or rather all finite trees do). The goal is to prove it.
 
Also one of the laves could be the end of the maze :P
 
True. Terminology mishap.
Context: I'm making a maze game that renders to ASCII. My next step is to add a starting and ending position.
 
If a graph has no leaves (or one which is the starting point), you can construct an infinite path by repeatedly picking an arbitrary neighbor which was not the last one visited.
 
9:16 AM
Nice
 
@Qwerp-Derp The textarea is working, more or less. It takes input from the keyboard (obviously) and the backspace, left and right arrows work along with the cursor
But it bugs out if you type too fast
 
O_O
 
I get IndexOutOfBounds on different lines each time I'm running the program and type very fast
 
9:42 AM
Link?
 
Wow, the syntax highlighting borked on finalIndex
 
@ATaco Oh well I was so dumb that I thought those bots would use some 'fancy' POST APIs
@JanDvorak Hmm. Define 'proper maze'?
 
@Qwerp-Derp I've got a cool idea, we could work together on creating Processing GUI objects (like Buttons, Textareas, ...) and once we're done, we could create a Processing library out of it
 
@KritixiLithos Umm there's P5.js for that, but if you truly wish to, good luck.
 
@SIGSEGV a finite spanning tree embedded in a rectangle grid
 
9:56 AM
p5.js is web-based, the original Processing is not
 
1
Q: Character encoding-based rules with language without encoding

feersumOftentimes people will ask challenges that have rules hinging on the characters encoded by the source file (see restricted-source). For example, "Your program may not contain the letter a". But some languages are sequences of bytes that are not associated with any character encoding (e.g. machine...

 
Hey, d'you guys think this challenge is ready to go?
5
A: Sandbox for Proposed Challenges

Beta DecayDerive the Units code-golf Challenge Given a list of base units, a list of equations and a target, you must derive the units of the target using only the base units. Derived Units From Wikipedia: The International System of Units (SI) specifies a set of seven base units from which all ot...

 
Okx
hang on let me implement a one char builtin in my language :P
 
@SIGSEGV There is a proper API, but it's easier to not use it.
 
@BetaDecay There's a comment on your sandboxed question
btw
 
10:10 AM
@KritixiLithos Sounds great, I'm in!
My laptop's out of battery right now, I'll provide my code for buttons and stuff when I charge it
 
I'll create the repo and add the TextArea and then add you as a contributor
 
@BetaDecay :O you're back!
 
@KritixiLithos Ah yeah, I already sorted that
 
@KritixiLithos Are we making it in Java or Processing?
 
@Qwerp-Derp Yup, for a bit. I need a break from exams
 
10:13 AM
@Qwerp-Derp Your code for your buttons, are they in Java or Processing?
Or you know what, we can worry about that later on
 
Uhh I've got code in both langs, but it would be infinitely easier to make a library in Java
use*
Cause you can import Java libraries, but not Processing ones
 
We can convert it later on
@Qwerp-Derp btw Processing libraries (once you submit them/send an email/whatever to Processing) can then be installed via the PDE and then can be imported
But you're right, Java's easier
@Qwerp-Derp What do you think the name should be? I'm thinking something like "PGUI", "ProcessingGUI", ...
 
It's not that hard to convert Processing to Java anyway
Maybe something like "EssentialGUI"?
 
okay
@Qwerp-Derp What's your GH username?
 
10:28 AM
0
Q: Derive the Units

Beta DecayChallenge Given a list of base units, a list of equations and a target, you must derive the units of the target using only the base units. Derived Units From Wikipedia: The International System of Units (SI) specifies a set of seven base units from which all other SI units of measurement a...

 
@KritixiLithos Qwerp-Derp
 
Invite sent
First I need to figure out how to set IntelliJ with Processing
Although I would prefer to use vim
 
@KritixiLithos Then use Vim?
 
All the tutorials in setting up Processing for Java use IDEs like Eclipse or IntelliJ
I'm trying to figure out how I can still use Vim, but also using Java and not just Processing
 
@KritixiLithos Because most people use Java for IDEs
@KritixiLithos Well, then just set it up with an IDE and edit with Vim
 
10:44 AM
hi!
 
11:13 AM
Setting up the command line for a language is usually easier than setting up an IDE.
 
But I don't know how to set the command-line up :(
 
Well you just download a language, then look for executabels that compile or run something.
 
11:30 AM
Firefox crashed 3 times in 10 minutes
That's weird
 
That's why there is Chrome
 
11:44 AM
@KritixiLithos Chrome crashes everytime I boot
 
DownPavel was about 5-10 minutes?
 
11:59 AM
Downception.
Also Pavel never changed his name to Down* AFAIK, it was just his avatar. And no, it wasn't just for 5-10 minutes.
 
12:22 PM
@Qwerp-Derp Should we have one IntelliJ project containing all of the classes (textarea, button, ...) or should we have separate projects for each? I think the first one would be the best option
 
@KritixiLithos Definitely first
 
 
1 hour later…
1:25 PM
hm
 
1:45 PM
We're dead!
 
@KritixiLithos Should we get started?
 
"We are currently offline for maintenance" but apparently it's back now
 
@Qwerp-Derp I sent you the invite already and have created an IntelliJ project with the textarea in it
The other classes can be added into the project
 
@KritixiLithos Want to try pair programming?
What are you currently using for IDE/text editor
 
1:51 PM
IntelliJ/Vim
 
Oh cool
 
@Qwerp-Derp how does it work? how do we communicate with each other?
 
Uhhh I'm currently searching up a pair programming thing for IntelliJ
 
teamviewer would do the trick
 
Just use a pair chair
 
1:53 PM
i'm guessing they aren't in the same room
 
Do you want to use Floobits?
 
Sure, but we can't actually talk with each other (my parents would probably freak out if I'm talking with a stranger over the internet)
 
Eh shouldn't matter
The only thing I hate about IntelliJ is the fact that it's super laggy and drains your battery
But it's a really good IDE for Java
 
It starts very slow for me (5-10 minutes)
 
o.O
what kinds of computers do you folks have
 
1:57 PM
0
A: Sandbox for Proposed Challenges

Comrade SparklePonyFold towels! I heard somewhere that one thing that technology cannot do yet is fold towels. So it is now your job to prove that statement false! Given a string as input, made up of rectangles (towels), like the following, fold each towel in half twice. For example: +------+ +------+ ...

 
it runs fine for me
 
oh
at least the OS looks pretty, right?
 
I think I have posted several messages in chat before about my IntelliJ starting very slow
 
it /does/ index all of the things
makes searching your codebase not take forever
:]
 
1:59 PM
I have a Mac with Windows on it because I'm a non-conformist :P
 
@Poke it's all right, not bad, but then again, I hate Apple
I'd choose macOS over Windows anytime
@Qwerp-Derp So we'll just install the plugin and try Floobits out now, eh?
 
well it takes all types of people to make a world
 
@KritixiLithos Yup
 
Restarted IntelliJ, let's see how long it takes to come up
 
@KritixiLithos Join my Floobits thing on here: floobits.com/DerpfacePython/EssentialGUI once you've finished restarting
 
2:04 PM
Does it share audio/video?
Or is it just the screen?
 
@KritixiLithos iirc it's just code and if you click button it does call
 
@KritixiLithos Pretty sure it just shares the screen
Wait are you an anon account
 
6m 30s approx to start IntelliJ
yes, I was waiting for IntelliJ to start
 
Oh lol
 
@Qwerp-Derp so everything's on the website?
 
2:12 PM
It should be
 
I'm trying to figure out how to enable floobits on intellij
 
@KritixiLithos Are you done?
 
it borked, gimme a minute
can you see me?
or rather my cursor?
@Qwerp-Derp ^
It is so borky
 
2:28 PM
What the...
 
I like "always provide a reference implementation".
 
@Qwerp-Derp I don't have edit permission
 
Does MacOS or Linux ever require restarts like Windows?
 
@KritixiLithos Fixed
 
@WheatWizard wowsers reading that was a pain
 
2:38 PM
I have to sleep now, GTG
 
had to trace through it like 4 times
 
@Geobits aww yiss, it worked >:P
 
@Qwerp-Derp bye
 
@Poke There is a reason I forwent explaining it
 
well i got it now
i think
when you have an open paren it leaves the value of the accumulator floating until you get to the matching end paren
 
2:40 PM
It looks pretty good
 
Priming "Hello" while calculating space and comma is a pretty dope trick
 
Yeah I'm pretty proud of it myself
 
also the []([])[][]{} took me a couple tries to understand
haha
 
@Poke You don't mind if I include the explanation in my answer?
 
No, go ahead
 
2:45 PM
That's not JSFuck, is it?
 
@JanDvorak Brain-flak
 
Oh.
 
4
A: "Hello, World!"

Wheat WizardBrain-Flak, 148 + 3 = 151 bytes Now that DJMcMayhem's answer has depreciated. I made a replacement (and even removed a few bytes). (((((((((((()()()()){}){}){}()))){}{}())[][][][])[][])[[]]())[[][][][][]]())([([]([])[][]{})]()()()([[]](([()()()]([([][][])](((({}()){}))){}{}))))) Try it Onli...

now back to work i guess
haha
 
@DownWat There's only room for one Downgoat. If you're going to change your name, just be original about it. It's not cool to copy someone else. Especially if you're even copying their avatar style.
13
 
so I found an old revision of my avatar:
Jan 29 '16 at 5:09, by Doᴡɴɢᴏᴀᴛ
user image
O_o I have no idea what I was thinking
 
2:57 PM
YouGoat
 
I like your name @ComradeSparklePony
 
@ATaco feature request: have math.js grapher show error if there is one
 
@HelkaHomba Thanks.
 
@Downgoat reading through the transcript from that point I see you posted a Teascript answer of mine. So what happened to TS?
 
@KritixiLithos I dunno, no one used it and someone (not calling names) kept downvoting because Pyth is cool because Python but anything JS is evil and should be downvoted
 
3:04 PM
@Downgoat you mean, when you changed from it to the new one?
 
My TS answers were never downvoted IIRC
 
@JanDvorak ...
 
scratch that, they were
The interpreter doesn't work anymore
 
@Downgoat At least it doesn't have a hat. It looks better with horns.
 
-1
Q: ASCII fractals!

Comrade SparklePonyYour task: given an ASCII character and a number n, output the fractalized version of the ASCII character to the nth depth. A fractalized ASCII character is the character turned into a fractal. For example, if I wanted to fractalize #, it would become: # # ##### # # ##### # # at depth 1. D...

 
3:08 PM
@mbomb007 D: @DJMcMayhem I think you need to add horns to your avatar
:36668052 10/10 good idea
 
Lol, ok. I missed the fact that you had two tags in your post.
*pings
Could probably combine Kirby and Teemo...
Teemo has this skin
Idk, if I was going to change my avatar, I'd probably just pick a different character instead.
 
@mbomb007 if we want to stick with mario characters might I reccomend gogoat
 
Kirby isn't a pokemon...
 
following Dennis's rant, I have briefly considered changing my avatar to an upside-down owl mask on a white background with a black -1 above.
 
3:14 PM
Mario?! WTF
Kirby (カービィ, Kābī, Japanese pronunciation: [kaːbiː]) is a fictional character and the titular protagonist of the Kirby series of video games owned by Nintendo and HAL Laboratory. As one of Nintendo's most famous and familiar icons, Kirby's round appearance and ability to copy his foes' powers has made him a well-known figure in video games, consistently ranked as one of the most iconic video game characters. He first appeared in 1992 in Kirby's Dream Land for the Game Boy. Originally a placeholder, created by Masahiro Sakurai, at the age of 19, for the game's early development, he has since then...
 
TIL Kirby is a jigglypuff
 
@Downgoat You're thinking of mariowiki.com/Bob-omb_Buddy
 
@HelkaHomba :D I was pretty close
 
@HelkaHomba nice contender
 
You really have no idea who Kirby is?
 
3:17 PM
@mbomb007 TBH I've only ever played Kirby in Smash Bros games...
 
You need to play one of the Kirby games, or watch the cartoon or something.
 
Yep, it's a jigglypuff taken away from the Pokemon world, who decided to eat everything out of anger
2
 
@mbomb007 I thought it was in that Mario game...
 
@HelkaHomba Kirby's definitely my favorite smash character
 
Who would win in a fight: Kirby, Jigglypuff, or a pink bob-omb?
 
3:21 PM
They'd become friends and boycott the deathmatch
 
It'd be a draw. Kirby would suck up Jigglypuff, and then they'd all fall asleep.
 
So then the bob-omb would win?
 
I think I'd choose jiggly as a pet first
No huge appetite, no exploding
 
@DJMcMayhem Nah, it'd also fall asleep. Besides, pink bob-ombs are the friendly ones, aren't they?
Only the black ones explode?
 
@mbomb007 Isn't it the red one's explode and the black ones turn red?
 
3:30 PM
 
Let's play Jeopardy!
42.
 
wait what was jeopardy
idk what it is
 
@SIGSEGV You get an answer, then try to find the question
 
@betseg The answer to everything?
Wait guys
I found a bug
 
@WheatWizard I did but I don't see why I was mentioned specifically on this
 
3:40 PM
@Timtech You voted to delete
 
@mbomb007 On most games flashing bob-ombs means detonation
 
@betseg What is the answer to life, the universe, and everything?
@SIGSEGV That's not what we're talking about, though.
28 mins ago, by Helka Homba
@Downgoat You're thinking of https://www.mariowiki.com/Bob-omb_Buddy
 
huh
okay
mario 64 is weird
 
It's a pretty fun game. I have it for DS. I haven't played my DS in ages, though.
 
@mbomb007 but what is the question to life, the universe, and everything?
 
3:47 PM
test to see if my new avatar appears
not for me
 
@betseg No, that's not the answer to question of the question.
 
caching
 
@betseg '42?'
 
@betseg I'm pretty sure in the book the question was "What is six times nine?" wasn't it?
 
0
A: Sandbox for Proposed Challenges

Abel TomCRC Collision Your task: Accept a string (one could also include symbols in the string, does not have to be only alphabets and numbers) of any length as input, calculate 16bit CRC for the given string. Output a string of same length which gives you the exact same CRC sum. Example: Input Text: ...

 
3:49 PM
Deleted cache, reloaded, still old
 
@mbomb007 it's what one of the mice thought it would be
 
@ivzem Is it supposed to be a map?
 
@ivzem wait, it will change eventually
 
Yes
 
Probably 10 min later
 
3:50 PM
Well it's updated on your profile. Just wait.
 
On the main site it already shows
 
I see it
very nice map
 
hmm
 
Looks pretty cool.
My favorite fictional map is probably from RWBY
It has a dragon-shaped landmass. :P
 
4:01 PM
Well this is a "collaborative" map
so everything to the right of that channel isn't mine
 
@ivzem does that mean one can simply create a [Something NSFW] on the map?
 
NO
 
A peninsula?
 
If you own territory, you can edit there
there's collaborative things
and open for all
and nothing that isn't realistic
also no OSM imports
(The last two are rules.)
what?
oh
 
I don't think I'm going to click on that.
 
4:09 PM
Don't worry, it's just an island with a very particular shape.
@mbomb007 I prefer the female face island
 
@SIGSEGV kinda nsfw
probably best not to post that sort of thing in chat, it can offend people
 
I wasn't offended
 
@mbomb007 eyy, you've watched that too? cool
 
@Riker ehh yeah I should've added a [Warning: NSFW-L] text next to it or something
 
4:24 PM
@SIGSEGV obviously it did offend some people
 
right
 
hm
 
Was there a flag on the link?
 
yes
and it was validated
 
What was that link?
 
4:26 PM
Wait, really?
17 mins ago, by Jan Dvorak
Don't worry, it's just an island with a very particular shape.
 
@TuxCopter basically a post on buzzfeed saying you can buy land on a phallic shaped island
 
ah
And people get offended by that?
 
The shape wasn't very accurate IMO
 
@TuxCopter It's not that offensive, but IMO the less genitalia-related links posted in chat, the better.
 
@mbomb007 actually no
 
4:30 PM
I wasn't around for the flag, but I would have validated
 
6*9 is 54
 
Are you about to make a joke in base 13?
 
@DJMcMayhem I personally validated it and disagree with the user's suspension being lifted, however if it was posted when I was in room, I wouldn't flag the link myself. It's one of those stuff that's in gray area.
 
@DJMcMayhem :-(
I wouldn't have validated
 
@Avery Wait, the suspension was lifted? By who? Why?
 
4:32 PM
as it should have been, IMO
 
@DJMcMayhem I saw the user's profile say "this user is suspended for 28 minutes", then they spoke in a minute or so and the statement wasn't there when I checked again, (who:) I'm not going to go on a witch-hunting for mods nor am I going to oppose it verbally (aka take to meta) as this isn't a site I frequent, but I feel like a mod going against community decisions is not the wisest thing to do. IDK why they saw the need to do so.
 
The 10k flags aren't a particularly reliable moderation system.
 
I can agree with that.
third time I'm seeing some issue arisen from them this month
 
@Avery I know, but if you read the book, the question and the answer didn't make mathematical sense, but that's what it was.
 
@mbomb007 I feel like that's not the actual question when reading it tbh, I felt like it's a glitched question and shouldn't be taken as the actual one.
 
4:38 PM
@Riker Yeah, waiting for the next season now.
 
:D
not as bad of a wait as rick and morty s3 though
 
> Having returned to the supercomputer Earth, albeit in a prehistoric stage, Ford Prefect got Arthur Dent to randomly pull Scrabble tiles out of a bag. This resulted in the Question: "What do you get if you multiply six by nine?"[3]
 
Yes, I remember that part
but I also remember some part saying something along the lines of "the humans crashing at earth must've damaged the <thing>".
 
wow, there's been a lot of polyglot challenges this week
 
I should re-read it... in English this time.
 
4:41 PM
I like polyglots
 
@Riker Episode 1 is out
 
i know
I've watched it at least 4 times
it was a long wait though
 
Well, it's not over. It's still a few months until they release the rest.
 
My highest voted answer did not change for over a year, but then I posted a polyglot tip and that became my highest voted answer for some time
 
@KritixiLithos Mine will likely never change, because mine is the Python 2 language showcase.
 
4:42 PM
4
Q: Rock, Polyglot, Scissors

Helka HombaWrite a program that is a polyglot in three languages that plays rock–paper–scissors. The input for any version of the program is always one of the strings rock or paper or scissors. In the first language the program must output the rock–paper–scissors choice that beats the input: Input Ou...

 
^ Please say "no". It always trivializes a challenge. — mbomb007 45 secs ago
 
That comment got 4 upvotes in <1 min
 
5
 
Woah. :D
Yeah, I just don't wanna see an answer in Python 1,2,3
Or something equally lame.
And for some reason, people still upvote answers like that...
I want to see difficult solutions, like a Retina, Python 2, ><> polyglot
 
4:48 PM
waiting for someone to say "Challenge Accepted"
 
Challenge admired
 
tfw you get a math problem wrong for not rounding
and it's not because of significant digits, it's because the input field truncates to 3 decimal places
and doesn't automatically round
 
5:00 PM
@KritixiLithos Well, I'm done with the Retina, Python parts. I just need to figure out how to solve it with ><>
 
I started with ><> am am still working it out
 
Retina almost feels like cheating
 
Retina isn't cheating. Bubblegum is.
 
There's practically no way any line of the program will match one of the inputs so it's super easy to use it for the second part
Granted, you have to have a valid regex
 
5:13 PM
> Popular hacker software includes "Comet Cursor", "Bonzi Buddy" and "Flash".
 
I haven't heard of either
 
> 8. Is your son obsessed with "Lunix"?
 
> BSD, Lunix, Debian and Mandrake are all versions of an illegal hacker operation system, invented by a Soviet computer hacker named Linyos Torovoltos, before the Russians lost the Cold War.
> a Soviet computer hacker named Linyos Torovoltos
> Linyos Torovoltos
is this a dorito flavor
 
@ivzem those are called Linutacs.
 
> Линёс Тороволтос
FTFY
 
5:17 PM
lol
 
0
A: Sandbox for Proposed Challenges

Rohan JhunjhunwalaGolf me a golf-lang In any programing language of your choice write me an interpreter (or compiler targetting a reasonable pre-existing binary) for a golfing language. You will be scored based on a combination of the length of the interpreter and the golfiness of programs in your (user created l...

 
> Hackers tend to dress in bright, day-glo colors.
wot
 
@Riker can confirm
 
this is glorious
 
5:18 PM
lol
 
CMC: Perform ROT1 on the input
 
Ah, crap. Retina requires balanced parentheses...
 
Doesn't work in Retina
@KritixiLithos SCISSORS gives output SCISSORS... which is wrong
it should give ROCK
Also, Python is wrong too.
Never mind.
 
5:27 PM
day-glo colors, reminds me of the cringe when news channels do those hacking segments and have those cringy 'people in dark room typing in BIOS' and ones and zeros.. agh. They never show what an actual hacker looks like, with their nice blue shirt in a room with windows!
 
I switched the order of the languages
 
I should've read the specs better
 
@Blake so basically this: i.imgur.com/iVHfwLc.gif
3
 
CBS News: New report, Russians supposedly have hacked the US Government at best buy (shows i.imgur.com/iVHfwLc.gif), yes, exactly.
 
Yeah, never mind. I thought all 3 langs had to output the one to beat the input.
Retina makes it boring for the 2nd program.
 
5:31 PM
@mbomb007 I think swapping Python with Retina might also save bytes
 
@KritixiLithos Flip the ><> program to save bytes.
So the left is the right and vice versa
 
I was just about to do that
 
@Blake haha no
real hackers use kali linux
because that's what that guy on youtube said on his tutorial video on hacking facebook
 
5:52 PM
Nah real hackers use Windows
Because borking it is fun
 
1
Q: Is my Diffy game periodic

Wheat WizardRecently I posted a question about Diffy games which has gone unanswered. Thats fine, the question is really hard, but I would like to make an easier question about Diffy games so that we can get the ball rolling. How Diffy works Copied from Find Diffy Games The Diffy game works like as fol...

 

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