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12:01 AM
<rant>
The textbook market is so unbelievably screwed in the US.
Like, looking at what my university bookstore is selling stuff for... why would I want to rent a used textbook for $128? And they're selling the new copies for $305.
At least I can buy this book loose leaf on Amazon for $90... still a racket.
</rant>
 
we bought/sold used high school books in one big event organized by the school. I think the books were $3 a pop or so, depending on condition.
most of which you got back the next year if you were nice to the books
 
12:42 AM
tfw you golf from scratch but end up with a solution which is the same as another one except slightly shorter
 
Ok so i have a koth idea i would need some help polishing
 
@DestructibleLemon what is it?
 
Ok so... its a little hard to describe, especially with slow phone ttyping . bots are a string of characters, a program. When on the grid, they move forward one space executing one command per space
They have commands like turning, shooting, push and popping i guess.
When the end of the progrwm is reached, it loops
Maybe when it loops it goes back to the original position, maybe not, i'm not sure
 
 
1 hour later…
2:18 AM
@DestructibleLemon So the bots look kind of like snakes on a grid?
 
2:40 AM
Bots in game are one block, maybe like trains on rails but not really
Though, it could be modified
 
2:51 AM
TIL that cat in Windows is type
 
@DestructibleLemon so, bots that can't stop moving, but can turn/shoot?
 
3:11 AM
Using loops, they can stay om a track of cells i think
New idea: instead of single char commans, corewar style commands
I suggest this because I think it will be better, not just for imitation
 
3:30 AM
It could be interesting to have 1-char commands where the bots are snakes that move 1 step per turn. If you watch the game, you would see the commands moving around on the screen, each turn the command from the end of the snake gets executed and transported to the front of the snake.
 
4:24 AM
0
A: List of bounties with no deadline

Nathaniel50 rep for a neural network that writes Moby Dick This will be awarded to the first answer to Write Moby Dick, approximately that is (a) based on neural networks, and (b) beats the median score. (Currently this is 648412 points.)

 
4:38 AM
@DestructibleLemon what's going on here, I can't tell if there are deleted comments from another user or if you had a sockpuppet that you merged
 
4:51 AM
What are some languages in which you can write two versions of any program: one using only alphanumeric characters, and one without using any alphanumerics?
Pretty sure Perl can do that.
 
5:24 AM
deleted comments
 
Not APL, that's for sure
 
 
1 hour later…
6:55 AM
wtf .NET Framework 3.5 installer needs .NET Framework 3.5 to run ಠ_ಠ
 
 
1 hour later…
8:07 AM
0
Q: Finding a Russian alphamagic square

Alexander BagdasaryanI really want to find an alphamagic square in Russian, but I don't know how to code. Apparently, there are alphamagic squares in English, French, Danish, Latin, Finnish and German, but none have been found for Russian. The first person (or the people, if the squares are different) to find an (a...

 
 
1 hour later…
9:23 AM
Can I access up/down vote data on mobile site?
 
9:39 AM
No
But you can in the app
 
10:03 AM
0
Q: The Number Challenge

Manish KunduChallenge There are many numbers which can be expressed as the difference of two squares, or the difference of two cubes, or maybe even higher powers. Talking about squares, there are various ways of writing a number, say 75, as the difference of 2 squares. You can write: 75 = (10)^2 - (5)^2 ...

 
 
2 hours later…
11:39 AM
0
Q: Number as difference of specified power

Manish KunduChallenge There are many numbers which can be expressed as the difference of two squares, or the difference of two cubes, or maybe even higher powers. Talking about squares, there are various ways of writing a number, say 75, as the difference of 2 squares. You can write: 75 = (10)^2 - (5)^2 ...

 
 
2 hours later…
1:17 PM
@NewMainPosts Should this challenge be VTRO?
For reference, this is a challenge that doesn't involve code on this site, and it has a meta post to ask if that's allowed. — user202729 7 mins ago
 
1:30 PM
I voted to reopen as I think it is on topic, but I think the question has issues
not issues that require closure but issues
 
2:02 PM
... now it's somewhat unclear ...
Wait..., are spaces counted in the number of characters? Also we count number of UTF-8 characters or number of bytes? — user202729 44 mins ago
 
Had a real weird dream last night
It was all snowy with pine trees, etc., and everyone was acting a bit odd
Eventually, I got confused and went onto Google Maps (still in the dream)
As I zoomed out, I saw I was in my own city and county
And these were in my congressional district, which was in New Georgia, which was in a much larger place called "q@!^q@!^q@!^q@!^q@!^...", with the ellipses and everything (apparently bordered on all sides by land)
Woke up soon after that
No clue tbh
 
2:23 PM
0
A: Sandbox for Proposed Challenges

Manish KunduChallenge There are many numbers which can be expressed as the difference of two squares, or the difference of two cubes, or maybe even higher powers. Talking about squares, there are various ways of writing a number, say 75, as the difference of 2 squares. You can write: 75 = (10)^2 - (5)^2 ...

 
@LegionMammal978 From the Chatiquette: "Don't use The Nineteenth Byte as a dumping ground for your thoughts or actions." Is there any reason why we need to know that?
 
... as long as it is not too annoying, it would be fine, in my opinion.
 
2:42 PM
@NewSandboxedPosts Any more review for this?
 
2:52 PM
@cairdcoinheringaahing I'm sure everyone's sent some odd off-topic things to this chat before, as long as it's not constant or repetitive there's not a really a problem.
 
Isn't the chat almost always off-topic? ...
 
What is "on topic" here? What is off topic?
 
code golf discussion is on topic, of course.
@NewSandboxedPosts Is that a dupe?
 
The one make a mistake in the push button for warning the coming bomb in Hawaii is on topic?
 
Wanna see something off-topic? Just enter The Sphinx’ Lair and see the messages sent by humn ;-)
 
3:00 PM
@RosLuP not really but as long as it doesn't go on for too long it's fine
 
and if some one that has the big red button of nuclear missile, make one error and push it...?
 
No that’s most definitely not on-topic.
 
we do discuss news occasionally (especially when it's as big as that)
 
I heard that it already happened, in Russia... Radar and sensor signaled nuclear missiles against Russia, but someone not follow the orders, and not pushed that button. It was only one radar error...
 
You mean when it nearly happened in the cold war?
 
3:08 PM
@NewMainPosts Hurry up!
 
Yes, in time 'cold war'
 
Anyway, we shouldn't be drifting into the area of history.SE :P
 
Which operators can be redefined in Haskell?
 
@user202729 I think that's one of the tips for Haskelll golfing, you could check there
 
3:16 PM
4
Q: Number As Difference Of Power

Manish KunduChallenge There are many numbers which can be expressed as the difference of two squares, or the difference of two cubes, or maybe even higher powers. Talking about squares, there are various ways of writing a number, say 75, as the difference of 2 squares. You can write: 75 = (10)^2 - (5)^2 ...

 
@user202729 !, #, %, &, and ?
 
@user202729 Redefined, as in they already had a definition?
 
yeah it's not redefining
you can redefine a couple but then you'll get errors about ambiguous usage
 
So "defined".
 
 
1 hour later…
4:24 PM
176
Q: Add a language to a polyglot

user62131This is an answer-chaining challenge in which each answer builds on the previous answer. I recommend sorting the thread by "oldest" in order to be sure about the order in which the posts are made. Note: This has become quite a long-lasting challenge, and posting new answers is fairly difficul...

 
4:40 PM
0
Q: Sql database and c#

user77543I am developing a windows app in c# visual studio for schools am using sql server express 2017 for development. I need to create a data base for student marks in three Assessment(Test1,Test2 and exam) in different subjects, session, class, term. And need to perform calculations like Total in ea...

0
Q: Most efficiently determine optimal subset size for highest standard deviation

Legit StackI'm going to try to explain this step by step, it will be a long question, but it's really quite a simple one. You have a very long list of typically similar numbers (similar relative to nearby numbers in the list). You need to traverse it only once from start to finish. As you go You're going ...

 
5:17 PM
Huh, this user is quite interesting. He has at least one gold badge on all but 4 sites they're registered on. Him and Mego are the only users here with the 'raise 500 helpful flags' badge.
 
> I am a normal human typing with my human hands.
 
>_<
 
 
2 hours later…
Anonymous
6:50 PM
@cairdcoinheringaahing Probably someone who donated flags to Charcoal
 
7:03 PM
^^^Obligatory xkcd
 
7:48 PM
Is there a way to 'rollback' changes to a repo on GitHub?
@DJMcMayhem I think this answer of yours is actually 33 bytes. TIO agrees
 
8:09 PM
@cairdcoinheringaahing you can git reset --hard HEAD^; git push --force-with-lease to remove the last commit, if that's what you mean
 
I meant a way to do it through the website, I don't understand git :/
 
@cairdcoinheringaahing then you shouldn't be using GitHub... seriously, you really want to use the git command to do anything useful except odds and ends such as merging pull requests
 
@cairdcoinheringaahing Oh whoops
I always mess up byte counts when I don't have TIO
 
Have you guys been reverse engineering it?
 
@DJMcMayhem fixed it for you
(since presumably mobile is hard)
@cairdcoinheringaahing no but that's why branches exist
 
8:35 PM
CMP: choose one for range notation:
3‥3
3…3
3⋯3
 
The middle one in the list (3…3)
 
@totallyhuman 3…3
 
that was a resounding majority
thanks guys
 
CMC: Using only &|^~ (bitwise AND, OR, XOR, NOT), multiply two positive integers a and b.
 
8:42 PM
...wait apparently i can also choose from .. and ...
 
@totallyhuman Multi-char? Uh, why?
 
contrary to what a lot of people are thinking, this isn't for a golfing language
 
@totallyhuman (NARS APL uses .. which I am very much against.)
@totallyhuman Even more so then. Don't overload .
 
This doesn't mean that it's APL based, Adám
 
@cairdcoinheringaahing Lots of languages: * (uses only NOT and AND or NOT and OR)
 
8:45 PM
. is function composition (which is replaced by the actual ring operator ∘)
i'm not touching single dot, the compiler would complain anyways
 
@totallyhuman Yeah, and that has nothing to do with ranges. I suppose you use . for decimals too?
 
well i don't, haskell does but yes :P
 
@totallyhuman But why complicate matters like this? What if you want the range from .1 to .5? .1...5?!
 
Which language is this for?
 
...scratch that, compiler complains on .. o0
 
8:47 PM
 
@Adám i'd agree with that good point but haskell actually doesn't support omitting either side of the decimal point
 
Is @Adám right, @totallyhuman ?
 
...also no sane haskeller would use floats in ranges (because it borks them, hard)
@Zacharý yup
 
@totallyhuman I still don't like symbol overloads (although I do support function overloads). But... personal opinion here. Feel free to ignore.
 
eh wasn't a big fan of three dots either
two many dots :P
 
8:50 PM
@totallyhuman In unihaskell, is there any difference between and ?
 
@totallyhuman I'm looking very much forward to seeing what actual code will look like. I found Brachylog much more appealing than Prolog, and thus is like to Haskell what Brachylog is to Prolog, no?
 
Is there a way to find dihedral angles in Mathematica? Sorry for derailing
 
@cairdcoinheringaahing nope
 
consistency is important :P
@Adám sort of but not as much. syntactical constructs are still the same
for a (completely) symbolic haskell language, husk is the way to go
@cairdcoinheringaahing to be fair, i don't like it much either but i can't redefine = :(
 
8:53 PM
ಠ_ಠ I've been running my Verbosity interpreter on the Hello World program for half an hour now, it still hasn't produced any output
@totallyhuman do you mind helping me with something in the Sandbox?
Note to others: please don;t flood into the room, I'm testing something to do with joining rooms
 
9:20 PM
@EriktheOutgolfer @totallyhuman Doesn't really matter that much but you probably shouldn't have accepted such a useless edit.
 
that edit was improving grammar
 
9:40 PM
@EriktheOutgolfer it was a pretty dang small portion of the post
 
Is it just me, or are the 'reboot' and 'shutdown' utilities that come built into KDE or GNOME or whatever really weird? Like, when I go to "start" menu -> shutdown it takes like multiple minutes to do whatever but shutdown 0 takes like 10 seconds.
 
I'm guessing that the shutdown utility tries to be nice to other processes and wait for them to shutdown
 
9:57 PM
On an unrelated note, anyone know how to increase the /boot partition size? gparted isn't letting me increase it even after I shrink other partitions.
 
10:10 PM
> No space in /boot for update
> Remove old kernel version
> Update succeeds
> /boot contains the old kernel version after update again
> ???
 
10:22 PM
I'm genuinely curious, should I have rejected that edit based on its size?
@WheatWizard @Riker ^
 
> This edit does not make the post even a little bit easier to read, easier to find, more accurate or more accessible. Changes are either completely superfluous or actively harm readability.
That's from the reject text for edits.
 
> little bit easier to read
that's what I was going off of
 
Small edits can be fine but that edit did nothing
 
@totallyhuman yes
 
11:05 PM
Idea: Whenever a user upvotes, the amount of rep awarded by that upvote is 1/1000th of the upvoter's rep. (Rep not taken away from upvoter, this is in lieu of the normal +5 or +10 upvotes)
 
that seems like a bad idea
maybe something like 1/500 is better
 
it would be hard to rewrite the past in that case
 
Okay, other extreme: the amount of rep awarded is equal to the upvoter's rep.
 
how about nah
I feel like everybody would ping dennis with their latest posts
 
11:23 PM
How about we use a cryptocurrency system? Voting costs 0.01 rep, awards 0.01 rep, and takes ten minutes to take effect
 
I don't think that everyone would ping Dennis, people get pretty tired of advertisements pretty quickly so it wouldn't be a very good scheme
 
But, you can attach a fee to your upvote to ensure that it gets processed.
 
LOL
@PhiNotPi so are we EA or comcast now
 
Bitcoin
What's the Bitcoin processing fee ATM, BTW?
 
Who collects the fees? Maybe reviewers or something?
@JohnDvorak Something crazy, like $20 per transaction.
 
11:29 PM
ugh...
 
@Riker We could have people pay rep for their answer to appear as a "priority answer" at the top of the list.
Nobody has actually made a PPCoinG yet, have they?
Or the spinoff PPCGold
 
@PhiNotPi don't think so
@PhiNotPi and if you have >10k on another site you need to pay extra fees for no particular reason
 
That and you need to pay real money for features that should come included with the account, such as the ability to log in.
 
I really hate it when you just finished writing an explanation and then you find a golf that breaks your entire explanation
 
@HeebyJeebyMan the fact that I guessed you were wheat wizard is ridiculous
 
11:43 PM
How'd ya know
 
wait are they
wtf
this has gone too far
what was your original avatar btw @HeebyJeebyMan
 
Also, who is @0'?
 
@PhiNotPi just a plain user
they've always had that name though iirc
 
0' was 1000000000 before
 
11:45 PM
ah
 
0																												'
I was also very briefly Millet Mage
 
Also who is @ConorO'Brien?
lol
 
Anyone wish to engage in a rousing game of contact?
 
pardon my lack of pixels
but I feel this is appropriate
cc @HeebyJeebyMan
(for whatever reason my computer inserted the green pixels on the face, I think it had something to do with them being "clear" before)
 

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