The Nineteenth Byte

user

00:44

@lyxαl :o

@lyxαl wait wdym Java only allows one process?

lyxαl

more specifically, the java runtime environment

it allows only one process, but multiple threads

user

iirc Java has a ProcessBuilder class and everything

So when I run java foo and java bar in two separate terminals, both of them run as separate threads in the same JVM?

That doesn't sound right

lyxαl

> Most implementations of the Java virtual machine run as a single process. A Java application can create additional processes using a ProcessBuilder object.

docs.oracle.com/javase/tutorial/essential/concurrency/…

user

Huh

I wanna interpret that to mean that each instance of the JVM only takes up one process but you can make multiple instances

I would be disturbed by this but I'm too sleepy to care so o/

lyxαl

o/

OldSandboxPosts

01:00

Sandbox posts last active a week ago: Order by Earliest Lower Digit, Implement RAID, Calculate equal, winning or losing trades in chess

New Posts

02:25

0

Q: Order by Earliest Lower Digit

Given two strings of digits, determine which string, if any, has the earliest digit which is lower than the other string's digit at the same index. Do note that this differs from alphabetization, as shown in the following examples: Examples Given inputs 12345000 and 1233999999, the second string ...

code-golf

thejonymyster

02:35

@NewPosts is this comment on this question reasonable? like i completely get where its coming from, but is that in the spirit of like, code golf?

i like the concept, but i dont want to open up a million different special cases :P

Bubbler

looks reasonable as an extension of decision-problem output

I guess this would work: 1) the standard output method of three-way comparison of your language of choice (if exists) or 2) three distinct and fixed values for three possible outputs

thejonymyster

ok works for me :) thank youuuu

also because i never have a chance to bring it up: i keep thinking your icon is an orange frog but then i look again and its not that

Bubbler

oh lol

Rydwolf Programs

@hyper-neutrino But if all that Tim is is Tim, is that really an identity at all?

thejonymyster

timisistimis sounds like some weird disorder

Rydwolf Programs

02:43

tih-mississ-tim-iss

Yeah kinda does

lyxαl

03:09

@thejonymyster actually, it's an among us reference

As you can see, the amongus is quite hidden but still there

thejonymyster

I dunno lyxal, that's a little bit sussy. Have you considered any alternatives?

lyxαl

sussy?

you're the sus one

thejonymyster

I see. A better world isn't possible after all.

lyxαl

New Posts

08:05

0

Q: Sum of consecutive nth powers

Related. Given a positive integer \$n\$, output all integers \$b\$ (such that \$1<b<n-1\$) where \$n\$ can be written as the sum of any number of consecutive powers of \$b\$. Example: Let's say \$n=39\$. \$3^1+3^2+3^3\$ \$= 3 + 9 + 27\$ \$= 39\$ This does not work for any other \$b\$, so our ou...

code-golf math integer

l4m2

08:21

Given interact lib {i=(i+1)mod n, i=(i+n-1)mod n, A[i]=c, query A[i]}, get n. Fewest call to these wins.
Inspired by someone else

The Empty String Photographer

09:13

@thejonymyster I keep thinking it’s a heron.

CMC: Given a number, print a list containing an empty list as the first item, and a singleton list containing the input number as the second.

Inspired by randomly mashing the Vyxal keyboard.

@lyxαl what about me?

Ah wait you’re gonna put monkey in a suit, aren’t you?

lyxαl

10:37

@TheEmptyStringPhotographer among

The Empty String Photographer

Oh dear, I appear to have an amongfoot infection…

lyxαl

12:15

@Ginger

[half-byte] sponge

Ginger

certified salesman moment

@lyxαl mogus ⁉️

lyxαl

@Ginger sus!

Ginger

💥

lyxαl

Ginger

jermerj moment

Ginger

12:32

~~time to move this to TST~~

Bbrk24

12:56

Is putting e ??= window.event at the top of my event listeners really necessary or is w3schools doing some nonsense

mousetail

@Bbrk24 Not in modern browsers, might be needed for very old IE

Bbrk24

I'm not going to pretend to support older IE anyways

Also, if all the code lives in a single JS file, there's no practical difference between onevent = ... vs addEventListener('event', ...) is there?

Ginger

there's a difference at all???

mousetail

I prefer addEventListener since things like browser extensions etc. can also add events that you don't want to overwrite

Ginger

JS continues to astound me

Bbrk24

13:01

@Ginger The latter lets you add multiple functions, while doing the former multiple times overwrites the listener

Ginger

bruh

Bbrk24

relevant if you're in a library

Ginger

of course that's how it works

Bbrk24

not if one file controls all the code

mousetail

Using addEventListner is just good practice, can't break anything else. Same file or not

Bbrk24

13:03

@mousetail Mm, fair point. I'll see how difficult it is to refactor (some places I use = null instead of removeEventListener and I'm not sure how difficult that would be)

mousetail

You need to keep track of the ID of the event listener you add in order to be able to remove it which can be a bit annoying

Bbrk24

yeah so I might not be able to easily change all of them

lyxαl

@Bbrk24 what would I need to be listening for in a library? I thought the whole point of a library is that you don't talk and only read books. There wouldn't be anything to hear.

Bbrk24

Also did you see what I did with the debugger play/pause feature? Should be better than spam-clicking “step”

mousetail

Some libraries are intended to be triggered by certain HTML elements, not scripts

They are mostly used to people who can't code

Bbrk24

13:11

next thing I need to figure out is breakpoints

how the heck do I make breakpoints work for a 2D esolang?

like UI-wise, what would that look like?

mousetail

Do breakpoints only work in a specific direction? Or for a cell regardless of direction

noodle man

@TheEmptyStringPhotographer Ruby, 11 bytes: ->x{[[],x]}

Bbrk24

That’s a good question, actually.

mousetail

Could you make a 2d language that instead of hexagons or squares used a penrose tiling

Bbrk24

oh no

How would that work? There’s so many things I wouldn’t know what to do

noodle man

13:19

i can't imagine that being a 2d language but you could make a language that has a penrose tiling shaped area

Ginger

@Bbrk24 make them directional?

noodle man

but it wouldn't make sense in 2d because ascii-art isn't gonna do well with that kinda shape

Ginger

and have the UI be red lines pointing in the direction of the breakpoint from the center

Bbrk24

@Ginger How would the UI indicate that a breakpoint has been set? Especially if it’s direction-sensitive, how do you set/unset a breakpoint?

and how would direction-sensitivity work for mirrors and branches?

mousetail

As you can see all the shapes are quardelaterals

noodle man

13:21

@Bbrk24 red background color

mousetail

So they have a well-defined opposide side

and branching and mirrors should work the same as in a square language

except that paralel lines diverge

Ginger

my brain hurts thinking about that

please nobody implement it

noodle man

i kinda want to but i still don't know how you would represent that in ascii art

Bbrk24

@noodleman I already use background color to indicate where the IP is, with color-coded threads

Ginger

@noodleman that's the best part: you don't :p

mousetail

13:22

Yea that's the hard part. Probably as a kind of spiral from the center

noodle man

@Bbrk24 okay maybe a red border?

Ginger

^

a breakpoint in the top-left could have a red arrow shape in its top-left border?

noodle man

ooh smart

Ginger

alternately, just set breakpoints in the assembly view

mousetail

Breakpoints could have a dashed or dotted background, to distinguish it from the solid background of the IP

Bbrk24

13:25

These are all ideas, yes. Would I have to wrap each individual source character in a <span>/<a>/<button> with an onclick listener then?

mousetail

That or use math to figure out what character is closest to the mouse from a central event listener

Ginger

depends on how you're doing the rendering

if each character is an element then that'd probably be the easiest option

mousetail

You may want to make each character a absolutely positioned div anyways, aligning things when relying only on character size is unreliable when you go outside ASCII

Bbrk24

mm true

Bbrk24

13:42

Going back to the addEventListener thing, I also have things like:

play = ->
  elements.playPause.onclick = pause
  # ...

pause = ->
  elements.playPause.onclick = play
  # ...

noodle man

are you using coffeescript?

in 2023?

Bbrk24

yes

noodle man

:p

@Bbrk24 i would do it as playPause.addEventListener("click", () => if(isPaused){}else{})

but i see the appeal of your method, it's clean

Bbrk24

mm maybe. I have like three different things that do this

There's also:

  document.ontouchend = document.ontouchcancel = ->
    @ontouchmove = null
    @ontouchcancel = null
    @ontouchend = null

noodle man

what're those @s

Bbrk24

13:47

@thing in CoffeeScript compiles to this.thing in JS

The use of @ comes from Ruby

noodle man

no yeah that makes sense

its just weird seeing this in arrow functions

Bbrk24

Well no

noodle man

but that's just sugar for a regular function

Bbrk24

=> is an ES6 arrow, -> is a function

noodle man

ik

Bbrk24

13:48

Actually CoffeeScript had => long before ES6

noodle man

i just use typescript

CoffeeScript is clean but it feels...too clean

especially since what you're building is probably very dirty

Bbrk24

Idiomatic CoffeeScript is about as small as minified JS

noodle man

i.e. a webpage

Bbrk24

:P

I'm still quite proud of my elements Proxy

noodle man

i love and hate proxies

Bbrk24

13:50

# This is a clever little hack: elements.fooBar is the element with id="foo-bar". It uses document.getElementById on
# first access, but then saves it for fast access later.
elements = new Proxy {}, get: (target, p) ->
  if typeof p is 'string' and not (p of target)
    target[p] = document.getElementById p.replace /[A-Z]/g, (s) -> '-' + s.toLowerCase()
  target[p]

noodle man

i thought that if statement was a comment

Bbrk24

On one hand, this is really useful. On the other hand, it makes TS completely infeasible

Rydwolf Programs

@Bbrk24 I just do this with a for loop at the start of the program

noodle man

what's not (p of target)?

Rydwolf Programs

And populate an object

querySelectorAll("*[id]")

Bbrk24

13:51

@noodleman CoffeeScript of = JS in and vice-versa

noodle man

@Bbrk24 you could use do Proxy{} as {someEle: Element}

Bbrk24

Yeah but Element doesn't have value/checked/etc

noodle man

@Bbrk24 that's not at all confusing :p

@Bbrk24 then use HTMLTagNameElementMap["input"]

or better, HTMLInputElement

Bbrk24

@noodleman It makes loops easier but key checks slightly weirder. However, CoffeeScript changes if foo in bar to if ([].indexOf.call(bar, foo) !== -1) or something like that

noodle man

weird

Rydwolf Programs

13:55

@Bbrk24 That's so cursed. Guessing that was added before of was meaningful in vanilla JS?

Bbrk24

Correct

noodle man

const e = new Proxy<ElementMap>({} as ElementMap, {
  get: (_, prop: keyof HTMLElementTagNameMap) => E(prop),
})
e.div({ class: "bg-black" })`
  ${e.p({ class: "font-small" })`Lorem ipsum...`}
  Bla di bla di bla
  ${e.p({})`${async rerender => {
    resp = await aPromise
    rerender(resp)
  }}`}
`

i have my fair share of cursed proxies too

Bbrk24

@noodleman github.com/bbrk24/Trilangle/blob/…

noodle man

@Bbrk24 why not define the types before each property?

const elements = {
  /** @type HTMLInputElement */
  input: document.getElementById(...)

Bbrk24

I don't quite remember, but in any case that's far in the past

noodle man

14:05

sorry for the nit lol

The Empty String Photographer

15:15

@noodleman nit == lint

DLosc

17:19

Not for the first time, I really wish MSSQL had regex support

All I want to do is replace 'corporation' with 'incorporation'. But I don't want existing instances of 'incorporation' to become 'inincorporation'... And I can't replace ' corporation' because some instances are at the beginning of the string.

Ginger

just check if the length of the word to be replaced is 11 :b

DLosc

I think the way to go for this specific situation is going to be CASE

case when NoteText like 'corporation%' then 'In' + LOWER(NoteText) else NoteText end takes care of the instances at the start, and then I can use REPLACE for the ones that come after a space

Rydwolf Programs

@DLosc Is there a string you know canMt appear in the data?

You could always replace incorporation with that string then revert it after translating corporation

DLosc

Oh, interesting. Yeah, that's possible (although the casing is gonna get complicated too, since the db's collation is case-insensitive).

user

@DLosc Afterwards, replace inincorporation with incorporation, ez :P

DLosc

17:32

@DLosc Also this didn't quite work because it lowercases the whole note, so now I've got case when NoteText like 'corporation%' then 'Incorporation' + RIGHT(NoteText, len(NoteText) - 11) else NoteText end

@user True, that'd work too. Maybe a bit less readable.

Rydwolf Programs

@user That's actually...pretty smart lol

user

Well it doesn't work if there exist other words that end with corporation (it might work here but it won't work in the general case)

Rydwolf Programs

Wait would it even work on existing instances of inincorporation? I think it would

user

Yup

Rydwolf Programs

Which is pretty neat

user

17:35

But if there's words like discorporation or something, that won't work

DLosc

Looking at the data again, I think I'm only going to replace instances at the start of the note, which means the CASE is all I need.

Thanks for the inputs, everyone!

(This is an instance where I'm trying to convert most of the notes automatically, but the ones that can't be converted automatically will be looked at manually. So I'm just aiming for 80-90% coverage, not 100%.)

Rydwolf Programs

21:42

Can anyone think of a clever formula to check if a bracket is the closing version of a given opening bracket

Too bad ( and ) are adjacent while [/{/]/} are spaces by two, otherwise subtracting two from the char code would work

Ginger

~~make your own encoding where they're all spaced by two~~

thejonymyster

i like to think of that as a genuine oversight in ascii

can you provide the ascii numbers for convenience also

i could do it buuut you have probably been looking at them and im like at wooork and like welll itd be easier if youuu did it aaand

Rydwolf Programs

Actually since I already know there one of the three closing brackets I can just subtract the char codes and check if the difference is more than two

Boring solution but it works :p

thejonymyster

nice

idk thats pretty clever to me

Bubbler

22:37

@RydwolfPrograms (opening bracket) + (opening bracket) % 2 + 1 = (closing bracket)

thejonymyster

23:07

(opening bracket) + ((opening bracket) % 2) right

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