The Nineteenth Byte

ChartZ Belatedly

8:00 PM

I think so

HyperNeutrino

oh wait, leading zeroes in y matter :/

ChartZ Belatedly

Because addition, subtraction, multiplication and division are defined entirely over all x'y, you can construct any x'y via those 4 and any other x'y

HyperNeutrino

oh good point

>

²×⁽LÐ÷ȷ14÷⁴÷5÷⁵ị“¤Fðẏẏż“?A⁺ẏẏż“¬ŀż“8Ƙż“¡uþ³⁾ẉṿÆ“¡’¤;⁵ị“ÞṠlT“¡ṁæ-“;ØḲ“ȧ¹“ṫD“}»¤

dear god this is ugly, why did i ever do this to myself

TFW string problems in jelly

Redwolf Programs

It looks like what happens when you try to open a zip file in notepad ._.

HyperNeutrino

lmao

ChartZ Belatedly

8:06 PM

For example, -6'5 = 35/3 can instead by expressed as 3'45by decomposing it to 11 + 2 * 1/3 = 0'11 + 0'2 * 6'7

The issue is when you get fractions whose denominator is a non-integer multiple of 3

HyperNeutrino

right

yeah then you'd need non-integer second component, unless i'm misunderstanding something

ChartZ Belatedly

I think that, through subtraction, you can always decompose the denominator into multiples of 3. For example, -5/8 = 5 * 1 / (1 - 9) = 0'5 * 0'1 / (0'1 - 0'9)

HyperNeutrino

what would the final quote notation of that be though

ChartZ Belatedly

Working that out now :P

Haven't had to do long division by hand for a while :P

Ok, so the division algorithm requires a radix point for denominators that aren't multiples of 3 :/

> Any 0s at the end of the divisor just tell where the radix point goes in the result

So it's definitely not a bijection

HyperNeutrino

8:26 PM

ah. unfortunate

@HyperNeutrino so i guess i was right rip

ChartZ Belatedly

Doesn't affect the challenge in any way, just means I spent an hour trying to calculate a test case I couldn't calculate :P

Adám

@OriginalOriginalOriginalVI I was just to prove that the UI was simple enough for a 2yo to use. Unfortunately, I got drunk on a screwdriver, and missed my presentation :-(

ChartZ Belatedly

How did you get drunk as a 2yo?

That seems somewhat irresponsible

Original Original Original VI

> drunk on a screwdriver

ChartZ Belatedly

OJ and vodka

Original Original Original VI

8:29 PM

o.O

Oh

ChartZ Belatedly

Cocktail names can get weird :P

Redwolf Programs

It'd be somewhat more impressive if a drunk 2yo could use the UI, right?

HyperNeutrino

apparently it makes the alcohol more or less unable to be tasted? supposedly

ChartZ Belatedly

@HyperNeutrino TBF the point of any vodka cocktail is to make something alcoholic, but not taste of vodka

HyperNeutrino

also yeah I hope I'm reading something wrong here; alcohol consumption is not recommended for 2-y/os probably

Original Original Original VI

8:30 PM

Looks like Adám used to be pretty unprofessional when he was young and ~~drunken~~ foolish.

HyperNeutrino

@ChartZBelatedly huh. interesting :P

ChartZ Belatedly

@ChartZBelatedly Correction: power of three, not multiple

Original Original Original VI

Well, multiple is right too :P

ChartZ Belatedly

No, 1 can be a denominator which is a power but not a multiple of 3

HyperNeutrino

i think it's more of "number whose prime factorization only contains 3 and 37"

ChartZ Belatedly

8:33 PM

Why 37?

Original Original Original VI

@ChartZBelatedly Oh, right

HyperNeutrino

wait

no

i'm stupid ignore me

can a number like 99 not be a denominator?

ChartZ Belatedly

wait

I am also stupid :P

Yes multiple of 3, but also 1

Adám

@ChartZBelatedly It was a mistake. The conference was mainly for adults. Someone offered my parents to fetch "some juice for the baby"… When I fell asleep, they suspected the drink, and a quick whiff confirmed what had happened.

ChartZ Belatedly

@Adám Whoever got that drink is sus as hell :P

HyperNeutrino

8:35 PM

well then o.O

Adám

You're saying they wanted to sabotage the demo, to sell their own competing product?

Original Original Original VI

People in this chat have surprisingly low self esteem.

HyperNeutrino

that does make me wonder - if the point of a screwdriver is to not taste of alcohol but still have the effect of alcohol, why would there be some at a product demo; isn't it disadvantageous for anyone to be drunk, which is the only point of an alcoholic drink that doesn't offer the taste of it?

why are like 75% of "im dumb" from me and ascii lmao

ChartZ Belatedly

@Adám I'm saying that someone offering to get "some juice for the baby" and coming back with something alcoholic is a bit weird

Original Original Original VI

Maybe it was a backup in case the two-year old got drunk: "Look, you can use the UI even when you're drunk!"

Adám

8:37 PM

'twas the '80s…

ChartZ Belatedly

@OriginalOriginalOriginalVI So does NSP :(

Redwolf Programs

9 mins ago, by Redwolf Programs

It'd be somewhat more impressive if a drunk 2yo could use the UI, right?

Original Original Original VI

We need a motivational speaker here.

HyperNeutrino

@ChartZBelatedly how does that not have more search results

ChartZ Belatedly

@HyperNeutrino SE chat search is broken

Original Original Original VI

8:39 PM

@RedwolfPrograms I'd also be impressed by the 2 year old, but yeah :P

ChartZ Belatedly

Exhibit A

Exhibit B

Original Original Original VI

Hmmm

ChartZ Belatedly

> 3470 messages found

Original Original Original VI

Looks a bit suspicious

ChartZ Belatedly

:P

Redwolf Programs

8:40 PM

Exhibit B seems to be working

Original Original Original VI

@RedwolfPrograms Which means something's up with how they're searching.

ChartZ Belatedly

Yeah, but exhibit B works when exhibit A doesn't. That's exhibit B

Original Original Original VI

~~Time to try an SQL injection!~~

ChartZ Belatedly

Any feedback?

Adám

Exhibit C

Redwolf Programs

8:41 PM

Weird, both :P and :p only return ones with :P

Adám

I.e. punctuation is ignored.

HyperNeutrino

do punctuation marks just not matter

Adám

Exhibit D

HyperNeutrino

it seems that searching for "P" gives... exactly the same number of results as ":P"

ChartZ Belatedly

@OriginalOriginalOriginalVI '); DROP TABLE Messages --

Adám

8:41 PM

I.e. empty searches are ignored.

Redwolf Programs

Doesn't the -- go after?

Original Original Original VI

^

Redwolf Programs

You'd be commenting out your injected script

ChartZ Belatedly

Idk SQL :P

Just type some words in caps, then get mad that your query isn't working, that's all the SQL I know

Redwolf Programs

Lowercase SQL looks nice IMO

Original Original Original VI

8:43 PM

@ChartZBelatedly Wait, is that why SQL uses all-caps? Because people got angry at it?

Redwolf Programs

but if you want to type in lowercase you might as well use a sensible language

HyperNeutrino

i usually do sql in lowercase

because i'm too lazy to press shift or caps lock

Neil

@OriginalOriginalOriginalVI no, I've had that issue with Firefox for some time now

HyperNeutrino

and also it looks ugly to me :P

Redwolf Programs

I just use title case so everyone hates me equally

HyperNeutrino

8:46 PM

@Neil is it only mods, multiple people, or just me?

@RedwolfPrograms even better use alternating case: sElEcT * FrOm users

Redwolf Programs

or maybe sElEcT * fRoM mEsSaGeS..hey I got ninja'd

HyperNeutrino

i mean if you name your tables alternating case

Neil

@HyperNeutrino it's worse for some mods than others

HyperNeutrino

you are truly evil

Redwolf Programs

I already did that

It helps against SQL injection :p

Adám

8:47 PM

@HyperNeutrino It only happens to long names with a zoom > 100%

HyperNeutrino

@RedwolfPrograms the fact that you say this makes it even worse somehow

@Adám time to change my name to "a" i guess xD

ChartZ Belatedly

If ~~you~~ I use 150% zoom on Chrome, your username becomes "Hype" :P

Redwolf Programs

For me it's "Hyper"

Then at 175 it's "Hyp"

TIL the CSS px unit is not a pixel

It's defined to be 1/96th of an inch

But it's more complicated then that for a lot of stuff

ChartZ Belatedly

For some reason, at 500% zoom (for me at least), everyone's name becomes just a couple of characters (mine is "Cha", HN is "H ♦") except for Redwolf, who is still "Redwolf Programs :/

Also, chat's unusable at this level of zoom, in case anyone was wondering :P

Redwolf Programs

Can confirm

It's probably worse on my 1366x768, too

(I'm "Red" at 500% zoom, but you're still ChartZ Belatedly)

Original Original Original VI

8:53 PM

Whaddaya know, going to 100% fixed it.

ChartZ Belatedly

Same here :P

Original Original Original VI

Makes my eyes hurt, though, so I'm going back to 110%

Looks like Firefox cuts off entire words instead of letters at a time.

@HyperNeutrino, could you put a space in your name so I can see Hyper? :P

HyperNeutrino

changed my name to hyper-neutrino, not sure if that'll help

ChartZ Belatedly

That's worse :P

hyper-neutrino

okay so it displays as "HyperNeutrino" on the left side but when i click to expand my profile it's right

Original Original Original VI

8:56 PM

@hyper-neutrino Thanks, that's better for me

hyper-neutrino

wait hold on

Original Original Original VI

I see hyper now

hyper-neutrino

are chat message owner display names saved at the time of sending and not updated by id

ChartZ Belatedly

They aren't updated in the transcript

Neil

I see hyper ♦ now

Original Original Original VI

8:57 PM

But they are over here

hyper-neutrino

nope caching was just being weird even though i force reloaded. strange

reasons to become a mod: you can force refresh your profile to update your chat username immediately without having to wait for caching :D

ChartZ Belatedly

That's the only reason folks :P

hyper-neutrino

i don't want to be hyper-neutrino on main site tho

i could change my username on some random community and swap my parent but then my parent site is wrong

ChartZ Belatedly

Change your username to hyper-neutrino on a different site, then reassociate your parent

Ninja'd

Original Original Original VI

I mean, you could just stay with HyperNeutrino, since it's not that big a deal

ChartZ Belatedly

8:59 PM

Hyper Neutrino wouldn't be bad

hyper-neutrino

i'll just keep hyper-neutrino since it's my username on some places and it's my github as well

i've never put a space in between before IIRC, lol

the only variants i've used are hyper-neutrino, hyper_neutrino, hyperneutrino, AltNeutrino (very uncreative name for alt accounts), and just Neutrino since overwatch username length limit is one shorter than "HyperNeutrino" >:-(

ChartZ Belatedly

caird coinheringaahing wouldn't go down well on Overwatch then :P

Redwolf Programs

A 12 character limit?

I'd consider 16 to be unreasonable...

Adám

@hyper-neutrino Hyperν

hyper-neutrino

@RedwolfPrograms yeah it was kinda annoying :c

Original Original Original VI

9:04 PM

CMQ: Favorite username? (yours or someone else's)

ChartZ Belatedly

caird coinheringaahing :P

Unrelated String

i second caird coinheringaahing

hyper-neutrino

i third caird coinheringaahing especially for the really strange backstory xd

Original Original Original VI

I put fourth a vote for "caird coinheringaahing" too :P

ChartZ Belatedly

On the other hand, ChartZ Belatedly gave me my rap name :P

hyper-neutrino

9:06 PM

so it looks like we'll probably be going ahead with having more ROs; just gonna wait to see if Doorknob gives a response (though I doubt it; he seems like he's been very busy). how many more ROs do y'all think we should have (i'm thinking 4), and should we have a questionnaire like the mod election did or just nominations -> voting?

Original Original Original VI

@hyper-neutrino Might want to make a meta question for this instead of asking in chat

ChartZ Belatedly

I like 4, and I think nominations -> voting should be enough, it isn't as major as the mod elections (plus it's what happened last time, so that should probably work)

hyper-neutrino

@OriginalOriginalOriginalVI Meta usually takes longer to pick up substantial feedback and the room is active right now; also it's possible that it changes based on nomination counts anyway

also this has happened before so I will probably stick to that (like Lil Chart Z said)

Original Original Original VI

@hyper-neutrino Fair enough

Aside: ChartZ should name themselves Lil Chart Z when their 30 days are over :P

hyper-neutrino

doorknob hasn't been in chat for over 200 days. :(

ChartZ Belatedly

9:08 PM

I was going to go back to caird (April 6th FYI), but Lil Chart Z is looking attractive ngl :P

hyper-neutrino

what's the username limit here; once per 30 days?

i forget what it was that had like, thrice within every 90 day period or something

ChartZ Belatedly

Yeah

Although mods can change other user's usernames at will

hyper-neutrino

Supposedly I can change my own username more than once in 30 days too then, but idk :P

ChartZ Belatedly

Oct 8 '19 at 16:04, by caird coinheringaahing

@DJMcMayhem Would you mind changing this user's username back to JHTBot?

hyper-neutrino

yep seems like i can

ChartZ Belatedly

9:11 PM

How I found out that mods can change usernames - I got DJ to mess around with the chatbot's username :P

Original Original Original VI

Hi @Mr.Xcoder!

Lyxal

>is me
>uses vivaldi
>has web page open
>closes laptop to go do other stuff
>comes back to laptop a bit later
>opens laptop
>web page is zoomed in and can't be zoomed back out without closing the page
>frick.

turns out if you want to do green text on SE chat you need to do fixed font

Original Original Original VI

@Lyxal Is this a bug with Vivaldi?

Mr. Xcoder

@OriginalOriginalOriginalVI Hi there! 👋👋👋

Lyxal

@OriginalOriginalOriginalVI probably

ChartZ Belatedly

9:18 PM

Oh crap. @hyper-neutrino I just realised that, because trailing 0s after the quote are significant, 9'0 ≠ 9' (9'0 = -10, 9' = -1) ಠ_ಠ

Ugh, quote notation's complicated

Original Original Original VI

@Lyxal Ha, this wouldn't happen if you used Firefox!

Redwolf Programs

Or wget and quick thinking

3

Original Original Original VI

You'd have various other bugs to worry about.

Lyxal

@OriginalOriginalOriginalVI too mainstream

hyper-neutrino

@ChartZBelatedly oh. rip, this is confusing

@Lyxal greentext doesn't have the space after the > traditionally anyway

>this works as intended

Original Original Original VI

9:20 PM

Mar 22 at 22:23, by Redwolf Programs

@ChartZBelatedly I am a JSON viewer

ChartZ Belatedly

Which means I need someway that answers can take either 1 or 2 arguments (or take a string, bleh)

Lyxal

@hyper-neutrino can you edit that for me then?

because I can't edit it

4 mins have passed

hyper-neutrino

uh... lemme go to sandbox, that doesn't seem to do what i wanted it to

ChartZ Belatedly

@hyper-neutrino Yeah, I love it :P

Gonna add quote notation to Whispers :P

Original Original Original VI

>be me
>try to work on math assignment
>input x^n into calculator
>press the down arrow to go down
>the screen explodes
>forced to switch to chrome

@hyper-neutrino What's your secret?

hyper-neutrino

9:22 PM

@OriginalOriginalOriginalVI only works on one line

ChartZ Belatedly

>easy

Lyxal

>one line text maybe.

Original Original Original VI

Ah

hyper-neutrino

also unsure why ~~strikethrough~~ didn't work for you there

chat's markdown has always been... kind of funky

ChartZ Belatedly

Formatting doesn't work multiline

Original Original Original VI

9:23 PM

Nothing works when I'm around :((

hyper-neutrino

@ChartZBelatedly odd. very odd, especially since blockquote somehow does work even though it's not supposed to...

Original Original Original VI

And the >s don't go away

If there's a quote, how are those still there?

Unrelated String

it's only one > to turn the entire message blockquote

Original Original Original VI

@UnrelatedString Right, but the first > hasn't disappeared.

Unrelated String

oh

>wacky

Original Original Original VI

9:24 PM

> chat is weird - Einstein

ChartZ Belatedly

45 mins ago, by ChartZ Belatedly

@HyperNeutrino SE chat search is broken

s/search//

Lyxal

s/chat search//

hyper-neutrino

s/SE chat search //

6

Original Original Original VI

s/SE chat search/life

@hyper-neutrino You doing all right, buddy?

Lyxal

s/SE chat search is broken/is not JoKing

hyper-neutrino

9:26 PM

@OriginalOriginalOriginalVI no, my name broke in half and it's being held together by a thread

Original Original Original VI

Oh ok

hyper-neutrino

oh hi Mr. Xcoder :D missed you joining amidst SE chat being broken xd

Lyxal

@OriginalOriginalOriginalVI hey that's my job

Original Original Original VI

@Lyxal I guess you were around then, then.

Lyxal

@pxeger imagine needing to pay for github pro.

made by student gang

Redwolf Programs

9:29 PM

Imagine actually knowing how git and github work and not just using it like fancy google drive

6

Original Original Original VI

@RedwolfPrograms There's an xkcd, but I can't find it

ChartZ Belatedly

I feel called out

hyper-neutrino

i've finally somewhat gotten the hang of how to not mess things up using git after countless years of fixing merge conflicts every time i attempt to push

Original Original Original VI

I would sign up for the student pack of GitHub Pro, but my school's email doesn't let emails from outside our organization, so GitHub can't verify it.

Lyxal

CMQ: Should I update my github pfp to say the funny word?

Original Original Original VI

9:30 PM

And my transcript's too embarassing to show them.

ChartZ Belatedly

no

Original Original Original VI

@Lyxal No.

Unrelated String

I have no idea how to do merges from the command line

so avoiding conflicts is more an issue of paranoia than competence

Original Original Original VI

Every time I have a conflict or something, I just google stuff, try random commands, delete stuff, stash it, etc. until it stops giving me errors. I still don't know how to resolve conflicts, honestly.

hyper-neutrino

step 1: try to pull
step 2: try to commit
step 3: everything is on fire
step 4: go into every file and look for the <<<<<<<<<<<<<<
step 5: remove things until it looks okay
step 6: push
step 7: realize you deleted the newer version and overwrote the last hour of changes
step 8: cry

3

Unrelated String

9:32 PM

^

Original Original Original VI

I use IntelliJ's local history instead of Git, honestly :(

ChartZ Belatedly

Mar 19 '18 at 16:44, by caird coinheringaahing

ಠ_ಠ Never mind, I mistyped my username facefloor

That's what happened the last time I used git

Original Original Original VI

I don't blame you, your username is pretty hard to spell :P

hyper-neutrino

best solution is to only ever use github's website interface

Unrelated String

@OriginalOriginalOriginalVI ...

Lyxal

9:33 PM

@ChartZBelatedly tf do you get facefloor from caird? ;p

Original Original Original VI

@UnrelatedString I know, I know, but it's just so much easier.

ChartZ Belatedly

@Lyxal Unoriginal :P

Unrelated String

imagine having a stable choice of language 😎

Lyxal

@ChartZBelatedly "reposted" ftfy

Original Original Original VI

It gets even worse when you're trying to edit something with someone else at the same time, so you upload your repository to Floobits and then you need to pull from GitHub and Floobits every time you do something and then push to both places each time and when you have a merge you find the latest version in both places and copy it to a separate folder and manually edit in the changes and then commit and then realize it doesn't work and then you throw the laptop out the window and follow it down

5

ChartZ Belatedly

10:03 PM

Jelly only has "uniformly random" randomness builtins. What's a good way to use this to get a random integer from -99 to 99, but in a normal distribution? So the integers between -5ish and 5 have a much higher chance than -96, 98 or 93?

Redwolf Programs

Dunno about normal, but distributions that look similar are pretty easy

ChartZ Belatedly

Doesn't have to be exactly normal, just skewed towards smaller numbers (by magnitude)

Redwolf Programs

You can make a list of a bunch of numbers and take the median

Or the smallest/largest if you want it skewed toward those

Unrelated String

if you want to skew it towards larger numbers you could take a logarithm or something

Redwolf Programs

Yeah, or square it for smaller ones I guess

There's a ton of ways to do it honestly

ChartZ Belatedly

10:08 PM

I figured that the easiest way in Jelly would be to just repeat the elements of a list more or less times, depending on how close they are to the middle, then grab a random integer from that, so I did that

Thanks for the suggestions tho!

hyper-neutrino

there's probably a way you could map a uniformly random real number into a normal distribution over a range but i don't know enough stats to figure out how one would do that :P

Neil

you could approximate the normal distribution by, well, averaging a large number of simpler distributions

e.g. sum 9 random integers from -11 to 11 or sum 11 random integers from -9 to 9

(am I imagining the phrase "central limit theorem"?)

Original Original Original VI

@Neil You're not, that is a thing

Neil

depends on what you want the variance to be, of course

Original Original Original VI

Gives me flashbacks of Stats

hyper-neutrino

10:14 PM

stats requires too much brain for me ;-;

Original Original Original VI

That's why you take a one-semester class during a pandemic and look for answers online :P

ChartZ Belatedly

@hyper-neutrino I'm asking this to get some good test cases for my other quote notation challenge, which I'm going to have to work out by hand :P

Original Original Original VI

Honestly, I would probably have enjoyed it more had I not slept through the first few weeks thinking it would be easy.

hyper-neutrino

i think i'm required to take some sort of stats course at some point :P

ChartZ Belatedly

I like brain (at least math wise) :P

Original Original Original VI

10:15 PM

@ChartZBelatedly Did you drop a word there?

ChartZ Belatedly

> stats requires too much brain for me ;-;

Original Original Original VI

@ChartZBelatedly Oh, I see

ChartZ Belatedly

Going off the similar word style

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Quote a rational number Quote notation is a way of expressing rational integers in a precise, finite manner, based on the concept of \$p\$-adic numbers, and written in the form \$x'y\$, where \$x\$ is a non-negative integer and \$y\$ is a (potentially omitted) finite decimal number. The quote (\$...

Original Original Original VI

Should I interpret that as "I like applying my brainpower," or "I like brains?"

ChartZ Belatedly

10:17 PM

...the first one. hides zombie bite

hyper-neutrino

So, editing the faq-proposed questions over a longer period of time to avoid flooding meta doesn't seem to have had much effect, because a total of one post was modified between when i started editing and when i finished, plus maybe the list of endless bounties and sandbox, which get pushed back to the top quite frequently anyway

ChartZ Belatedly

@hyper-neutrino TBF, you edited them all within 24 hours, Meta isn't that active :P

hyper-neutrino

yeah; i would've needed to split it up over probably a few days to a week, and if it's not that active, i probably won't bump down anything important anyway lmao

also if i noticed someone raise a new meta question or something important happened, i could've just put in a blank edit to push it back up lol

the part of me that ~~hates myself~~ enjoys challenges wants to solve the stack exchange streak challenge in jelly lol

ChartZ Belatedly

I understand the feeling all too well :P

Which is why there is now an Enigma machine written in Jelly, give it a shot :P

hyper-neutrino

well i'll see you all in 3 years when i figure out how to convert the format into something jelly can use

Original Original Original VI

10:23 PM

o/