The Nineteenth Byte - 2021-10-15 (page 1 of 2)

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12:17 AM

@lyxal A simple toString method would've been so much easier :(

@user No. It wouldn't have.

Because the item type being printed doesn't have a toString method

it has it's own overloaded output operator

Yes, which is why I was bemoaning the lack of a toString method

I guess there are advantages to doing it like this, but overloading an operator and taking an ostream as input yourself is so cumbersome

I tried to make a toString function before realising that I wasn't actually able to stringify the items in the tree

C++ do be like that

more like "uni assignments do be like that"

12:24 AM

though a stringstream is also an ostream, so you can actually stringify using the << operator

Life do be like that

cout << cout

1:11 AM

0

Q: Maybe fractal sequence?

Background A fractal sequence (Wikipedia; MathWorld) is an infinite sequence of positive integers meeting the following conditions: Each positive integer appears infinitely many times in the sequence. Before the first occurrence of a number \$i > 1\$, every number smaller than \$i\$ appears at ...

code-golf sequence decision-problem integer

Redwolf Programs

1:47 AM

I think the "all the [x]" rooms might be getting a little out of hand. I was planning to have Aotl shut down after a few days since it's pointless server load for SE, and it was mostly just meant as a test. Having ten of them doesn't seem particularly useful or interesting :p

Lol yeah :P

If anything, it's doing a stress test to the chat and feeds

Redwolf Programs

I found this earlier, which is odd

In theory the delay was lowered to under three minutes, at least for some amount of time in 2013

But now it's back to being a really long time and, if Aotl is correct, somewhat random

It makes me wonder if there's some sort of global maximum on the number of feeds that are ticked each interval, so every 3m or so a random group of rooms' feeds are updated

Or maybe they just changed it back to a higher number, but that still wouldn't explain it being somewhat random

Or perhaps it takes a really long time to update all the feeds for some reason, but I doubt that

If it does take a long time then a SE guy would've already come to us and tell us to stop all the nonsense :P

Redwolf Programs

I doubt they pay any attention to chat at all :p

Interesting, the cooldown does not, as I'd thought, go down with time

It might be based on the levenshtein distance of the messages?

1 hour later…

Huỳnh Trần Khanh

3:18 AM

hello

what you are stress testing stack exchange?

lol stack exchange has a feed for everything

Redwolf Programs

Ooh we just got another batch of lols

Unrelated String

lol nice

Redwolf Programs

Huh, it seems the height of a message eventually reaches a cap

No matter how many more times HN's "ah lol" message has been quoted, it never shows up as taller than about 3.3 meters on my screen

And it's an 11.6" screen

Huỳnh Trần Khanh

hmm it's kinda weird... but why isn't this room bumped to the top?

Redwolf Programs

Feeds probably don't bump a room

Huỳnh Trần Khanh

3:28 AM

lol

3:39 AM

@RedwolfPrograms they don't count as antifreeze either

Redwolf Programs

I knew that part from CGCC gaming, yeah

3:51 AM

i think the room will autofreeze (and possibly autodelete) soon from lack of any activity since the feeds don't contribute

Redwolf Programs

Isn't it like two weeks though? Or is there a special lower limit for the first few days or something

aotl is getting out of control lol

4:09 AM

in Dinoux Room, 14 secs ago, by PyGamer0

ujnfyyes

^ i can't type with one hand lol

i think if a room has too little total activity it might just get yeeted within a few days

but @redwolf do you mind if i just end AOTL now lol

Redwolf Programs

No, you can freeze it if you want

^^ and all other trash feed rooms

Redwolf Programs

I think we have any interesting results we would have gotten already

aight none other than lol, all, and img?

Redwolf Programs

4:19 AM

There's one called lolol

i do not see it

besides, if y'all want feeds, just get a RSS reader

Redwolf Programs

Oh, it was renamed to messages

Nvmt ehn

Redwolf Programs

4:47 AM

1. Make planes use aluminum batteries
2. Make planes use AI
3. Make the rest of the world use AI, making humans redundant
4. Remove passenger space on planes
5. Fill with more batteries
6. Use human blood as electrolyte
7. ???
8. Profit

alright time to confiscate your internet access for today. you sound like you need sleep.

you'll be able to get it back tomorrow morning

@RedwolfPrograms isn't this the plot to the Matrix?

5:09 AM

0

A: Sandbox for Proposed Challenges

Can all the pearls be collected? code-golfdecision-problemgamegrid Quell is a single-player grid-based puzzle game. Pearls are scattered across a 2D map and the aim is to collect them all by rolling a drop of water over them. For this challenge we will only consider basic maps containing the drop...

5:53 AM

0

A: Sandbox for Proposed Challenges

Crossing a river with weird animals code-golf puzzle-solver grid decision-problem path-finding Background One kind of river-crossing problems involves two kinds of animals. One such problem reads like this: (all wordings, including animal species, are arbitrary) A farmer has to cross a river wit...

6:11 AM

Ok, I think I've figured out who Milk is.

I think it's Aaron, because their only answer's in Vim, and that's obviously trying to make people think it's Aaron. I think it's a double-bluff, and it actually is Aaron.

Of course, I could be completely wrong.

6:44 AM

@emanresuA wdym

no one figures my owner out

look at my about

clearly milk is a cat

has an owner, plays with socks, loves milk

@JoKing yes i am a cat

and my owner is caird jk

7:20 AM

@emanresuA I'm pretty sure it's pygamer

7:54 AM

@lyxal ¯\_(ツ)_/¯ Does pygamer know vim?

Ok he does

Could be Aaron impersonating pygamer, but seems unlikely because Aaron's usually asleep at this time

you know mods can check this stuff right? i know exactly who it is

Oh łoł

Don't tell us, that'd ruin it

Wait...

1 hour ago, by Jo King

clearly milk is a cat

WW?

that was before i actually checked

8:09 AM

Oh ok

as long as there's no voting irregularities, i don't think i have to care

99% sure it's not WW

meow

8:39 AM

hmm lol

anyone know any good email clients for linux? I'm fed up with thunderbird's bugs

I use gmail pinned in FF.

^

gmail only supports gmail though

I don't use gmail

@pxeger That's not true. I use gmail for my company email too.

it doesn't work for a custom SMTP and IMAP server though

8:49 AM

You mean like my company's SMTP server?

Pxeger's is... complicated

9:14 AM

gmail only supports POP3, not IMAP

my mail server only supports IMAP, not POP3

I could add POP3 but that's a pain, and I'd prefer not to use Google's service if I can avoid it anyway

Fair.

9:33 AM

@pxeger any bugs you're particularly fed up with?

@Neil mainly its rich-text editing

e.g. Ctrl+Z undoes things you didn't do

it's impossible to get blockquotes to format the way you want them to

and it crashes about weekly

Well, weekly's better than daily...

Sometimes I don't get mail notifications for several days because I haven't noticed it's randomly closed in the background

Oh. That is annoying.

10:20 AM

@pxeger huh, I've not had a problem with blockquotes myself, in fact they are the reason I don't use other email clients since I haven't found one with anywhere near as good blockquote support

also it uses Firefox's designmode/contenteditable rich text editor so I'm not sure why you would be running into bugs there, not that I do a lot of rich text editing in Firefox

11:03 AM

'ngith

Whoops, didn’t notice my room was going crazy

11:20 AM

@pxeger mutt???

@emanresuA no i use neovim as my editor

basically vim lol

> First published: 2021-09-19
Last updated: 2020-09-19

@Neil huh, weird

11:36 AM

@pxeger ^^ error in your hacking cpython blog

@PyGamer0 I've heard mutt is a pain to configure, so I've not tried it yet

@PyGamer0 lol oops

but if I update it, I'll have to change it to be last updated now!

(fixed!)

Aaroneous Miller

12:14 PM

@emanresuA I don't sleep because it makes me better at Vyxal. Also because I am a plate.

@hyper-neutrino no that is not my sock

I only have two socks: ZORP THE SURVEYOR and ATO

Aaroneous Miller

Oct 1 at 15:46, by pxeger

it's ok guys, mystery solved, I own milk

@AaroneousMiller that was a joke. I was trying to wind up whoever really owns milk by not letting it be a mystery

Aaroneous Miller

ah

also, technically, I do own milk, in my fridge

(inb4 it gets nuked)

12:24 PM

@pxeger eh you get used to that happening

the guys at the fridge shop know me pretty well now

heck, they even give me a 0.5% discount on Saturdays and Tuesdays because I've gotten that many new fridges from them ;p

0

Q: Every Pong is Abelian

Part of the lean Language of the Month A pong* is a set \$P\$ with an operation \$+\$, that satisfies the following properties: \$ \forall a, b \in P : (b + b) + a = a\\ \forall a, b \in P : a + (b + b) = a\\ \forall a, b, c \in P: a + (b + c) = (a + b) + c \\ \$ This makes a pong*, just a group ...

code-golf abstract-algebra lean

@thejonymyster well done on getting your first question on the HNQ!

@lyxal omg is it ;_; wahoo

user image

12:39 PM

I could not have done it without everyone's help :) though i've become convinced the question is not very good and now i have conflicting evidence

B) i have no idea how to resolve tjhis

caird coinheringaahing

thinking your challenges aren't very good is a classic mindset to have :P

Hell, I don't think any of my challenges are what I'd classify as "good"

4

oh ok then im fine

heck yeah

we can all have fun and make mediocre challenges with quality outsourced to the solutions /hj

pretty much

like I look back at my first challenge I posted, and I see how horribly restrictive it is

12:42 PM

@cairdcoinheringaahing all too relatable

codegolf.stackexchange.com/q/40561/107310? in this question, what does "Using C++ is prohibited. As I may link this question there." mean?

asking here first in case its clear and im just missing something

if not ill comment

it just seems like i might just be missing something due to lack of bg knowledge

@thejonymyster I'm guessing the OP put that there because the StackOverflow question they linked to already had an implementation in C++ so they thought it would be cheating for someone to answer in C++

ohh

ty

if you particularly want to answer in C++, you could create a meta post asking for the restriction to be removed, since it seems particularly inane

ha, no i dont know c++ or anything, i was just lost because i thought "There" was referring to "C++", which i was fairly certain was a language and not a linkable location

i think i didnt make the connection since the link is dead from being 5+ years old

or something, but yea i get it now ^_^

Redwolf Programs

1:27 PM

@cairdcoinheringaahing ~~It's okay, I don't think they're good either~~ :p

dastardly

1:50 PM

CMQ imagine constructing an english word by adding one letter at a time. A new letter can be added anywhere in the word.What is the longest english word you can end up with if you insist that all the words you make are valid

e.g. I -> IN -> SIN -> SING -> STING -> STRING -> STARING -> STARTING -> STARTLING

Whoa, that's going to be tough.

alternatively, what is the longest English word that can progressively have one letter removed from it to get another English word each time until only 1 letter remains

@Adám I like it when you say that :)

thats a fun game

Redwolf Programs

Just a sec, I'll go check (at least with my 60k word dictionary, the 1m one would take too long)

1:53 PM

in a discord im in, we did that, idr how far we got

@thejonymyster you did my puzzle?

could be an interesting fastest-code

@RedwolfPrograms cool

the pxeger variation

@pxeger it would have a fixed answer though

1:53 PM

i cant remember if anyone programmed anything, we were mostly just bored and doing word stuff

@thejonymyster it's the same thing isn't it?

@thejonymyster mine is the same as Anush's, just phrased differently/with a different approach

@Anush input would be the dictionary

@pxeger good point

programmatically anush's version would probably be how I'd implement it

well yeah but we did it from that direction rather than the other one

for whatever reason

Redwolf Programs

1:55 PM

I found "prelates" and "sheathed"

@hyper-neutrino how could you make it fast enough?

Redwolf Programs

So 8 letters

startling is 9 lmao

startling is 9

:)

Redwolf Programs

Huh

My dictionary is bad :p

1:55 PM

we also did "find a word where no matter what letter you remove, the result is still a word", so basically a radiation hardened word

Redwolf Programs

Oh wait, I just realized something

@RedwolfPrograms scale up!

i think the highest we found was like, boats

Redwolf Programs

I was checking wrong

Just a second

and thats iffy cause "boa"/"boas"

sadly you cant combine the two for a "make a word where no matter what letter is removed, the resulting word 1. is a word and 2. fulfils these same requirements" challenge, since the words would have to be made entirely out of i and a

1:57 PM

boas is a proper word

it doesnt feel like it :P

:)

@thejonymyster you could also have boats -> bats -> bat -> at -> a

those are definitely proper words

two separate challenges there

oh I missed that lol

Redwolf Programs

1:58 PM

Trying my fixed code now

splittings

10

nice

Redwolf Programs

Lemme check what the path is

plittings?

is that really a word?

~~slittings?~~

Redwolf Programs

No, splitting

Aaroneous Miller

2:00 PM

wordinian.com

^ pretty similar

another tricky one is "find a word where, if you remove any word from it, it is still a word" which ill elaborate on in a sec

@RedwolfPrograms is plitting a word?

@Anush it doesn't need to be??

by remove a word i mean like, a substring that is a word

splittings → splitting → spitting → sitting → siting → sting → sing → sin → in → i

2:01 PM

oh I see

so like Gravity -> Grav(It)y -> Gravy

but it fails because grvity isnt a word

Redwolf Programs

You could also use slitting instead of spitting

But other than that that is how mine worked

very nice

Redwolf Programs

~~I like how that's a natural use of the word "that" three times in a row~~

worth trying a large dictionary?

2:03 PM

@RedwolfPrograms it isnt

Redwolf Programs

I can't read

@Anush Sure, I'll try with a third of a million now

for the substring challenge, i dont think we found even one word besides words w/o any substrings

like Job has no other words in it

but thats boring lol

@RedwolfPrograms cool

@RedwolfPrograms also doesn't count if there's an implied comma between them

shuf dict|head -333333

I love shuf :)

2:05 PM

i think it counts if theres a comma

james while john style

James while John had had had had had had had had had had had a better effect on the teacher

doesn't have the same effect as

James, while John had had "had", had had "had had". "Had had" had had a better effect on the teacher

Redwolf Programs

Yeah

The james while john one is basically cheating imo

i dunno, i still find it quite profound

oh totally, its got quotes

Redwolf Programs

I like "the car he had had had had problems", though

>:)

Redwolf Programs

2:06 PM

It's four hads and so natural sounding you wouldn't notice it in normal speech

that's a good one yeah lol

that makes me go crazy thanks

you might put a comma between "had" and "had" but it's perfectly fine without IMO

hmm

i disagree, theres nowhere to put a comma

and two of them are schwa-ed in my dialect ("the car he hd had hd had problems")

but I think that's allowed

2:08 PM

@RedwolfPrograms have you got a french dictionary as well you can test this on?

Redwolf Programs

No, sorry

But I think mine includes a bunch of french words anyway

nice

Redwolf Programs

It's basically just a corpus of a bunch of internet documents from what I can tell

@RedwolfPrograms just borrowed ones like "croissant" and "naïvété", or actual random French words like "où"?

Redwolf Programs

It considers a single lowercase x to be a word

It's didn't exactly make an effort to filter out things that aren't real words

2:11 PM

> didn't exactly make an effort to filter out things that aren't real words

> It's didn't

ironic

anyone know why you cant always replace "it is" with "it's"

Redwolf Programs

Example?

if they're in separate clauses?

"There's something outside!" "Why don't you tell me what it is?"

"The fact you hate it is annoying"

("{The fact [that] you hate it} is annoying")

2:13 PM

that works for that one, but not usre if it works for mine

"Why don't you tell me {what it is}"

especially since you mirror it back with an answer of the form "it is [what it is]"

and /that/ "it is" can become an "it's"

@RedwolfPrograms is your code whirring away?

Redwolf Programs

Okay, I have 31k four letter words now for Anush's question, time to try five letter ones

cool

what language?

Redwolf Programs

JS

I guess that is pretty fast with node?

2:16 PM

~~what natural language, silly~~ oh maybe I'm the silly one lol

Redwolf Programs

Not using node

Browser JS

ah ok.. I guess that is fast too?

Redwolf Programs

I guess, although I didn't really make an effort to optimize it

@Anush Chrome and Node both use the V8 JS engine

@pxeger it was a perfectly reasonable point :)

@pxeger got you . that is fast

unless you are going to code in Julia

Redwolf Programs

2:17 PM

I've tested before, JS is much faster than Python and much slower than C :p

I still want to know what natural language it's in

everything is much faster than python!

:)

Python looks to be getting a lot faster at the moment though

Microsoft has poured money into it

And there's a possible new attempt at removing the GIL

Redwolf Programs

I don't think regular old interpreting will ever beat JIT

github.com/faster-cpython

Redwolf Programs

2:18 PM

Unless Python is JIT, I don't actually know :p

nope

on linux I have /usr/share/dict/french

Redwolf Programs

Oh, I just got my dictionary off the internet lol

:)

Redwolf Programs

I don't have a /usr/share/dict

2:18 PM

@RedwolfPrograms on linux?

Redwolf Programs

The folder's empty for me

@RedwolfPrograms they tried that a while ago (the project was codenamed "Unladen Swallow", funded by Google I think) and it didn't work very well

because Python is just too dynamic

Redwolf Programs

I mean JS is pretty dynamic too, though, right?

@RedwolfPrograms sudo apt install wfrench ?

@pxeger yes there are a few resurrected projects these days

pyston is back

@RedwolfPrograms there's Numba, which is a 3rd-party JIT-compiler

2:20 PM

pypy works really well but the other problem is that python coders love to call code in other languages

and PyPy is a JIT too

that screws everything up

ninja'd

@pxeger yes and by far the most successful one for python

I am excited to find out how many 5 letter words now!

I've been following the work they're doing for github.com/faster-cpython and it's very interesting

2:22 PM

numba is really used and is really useful

Redwolf Programs

@Anush Unfortunately it'll probably take a while longer

@RedwolfPrograms Understood. Please do let me know though

Redwolf Programs

I'm sure there will be a lot of slang and misspellings making up the final result with this dictionary, though

But it shows me the intermediate steps so I can filter those out I guess

Oh, I have the 5 letter ones now!

There's about 40k

So this is going to take a while

Announcement

a null announcement? :P

2:29 PM

40k is not much larger than 30k which is good :)

@null I'm on the edge of my seat here!

Redwolf Programs

I love how the six letter words randomly shuffled spell "groups making future london become garden"

that is great!

Redwolf Programs

Also "listed energy images notice others"

@RedwolfPrograms that sounds exactly like one of the British Government's policy plans

2:31 PM

@RedwolfPrograms I think 8 letter words might be the most common

Redwolf Programs

Do we want to making future london become garden, though?

I have the 6 letter words

that was fast!

why is it speeding up?

Redwolf Programs

25k of them

it could be a newpaper headline

Redwolf Programs

I added a slight optimization which might have helped

2:32 PM

groups (that are) making future(-)london (have) become (a) garden

can you show us a random selection of the 25k words while the 7 letter ones are being found?

:)

Redwolf Programs

contact, service, product, support, message

Wait...those are seven letters

@RedwolfPrograms nice words

Redwolf Programs

Oh no, I messed up the list

ah

2:33 PM

support, contact, produce

Redwolf Programs

I accidentally reset the list to all of the six letter words

Not just the filtered ones

Well I'm not rerunning that :p

We can be content with "splittings" for now

I was really looking forward to the 7 letter ones

noooo :(

@thejonymyster is that from your code?

maybe I should ask on puzzling.se >

?

no i was just rearranging the words in the other message to spell out SCP

like a front organization

:)

whats it called when you see something and instantly associate it w another thing? not synesthesia i dont think (unless it is in this case)

akin to tetris effect

Redwolf Programs

2:37 PM

Depends on the things I guess

If the things are music notes and colors or something like that, it's synesthesia. If it's cats and cuteness, it's being a normal human. if it's yogurt and the inevitable march toward death, it's a problem.

5

What if it's the last one, but the other way around?

\o @Slate

o/ @pxeger

Wait, I want to test if you can reply to a message after your own via editing a message

shoots is very good for the radiation hardened question

2:42 PM

you can indeed

oh, that rules haha

and longer than boats!

but if you're going to test that, do it in the sandbox

Redwolf Programs

My cat does that

@pxeger of course :)

@Anush nice!

Redwolf Programs

2:51 PM

Should we VTC this? It's like 11 years old, but the source restriction seems pretty unobservable to me

meh, I think it's ok

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The Nineteenth Byte

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