The Nineteenth Byte

@Downgoat Is that basically ContentAwareFill?

@totallyhuman I like the upercase names. Mathematica doesn't have scopes, so the upercase distinguishes between builtin and user-defined symbols.

Or maybe I've just been C#ing too much.

1:04 AM

it might be practical (haven't thought of that yet) but it sure as hell is annoying when you use any other language on a daily basis

...unless that language is C# :P

@totallyhuman When I started using Mathematica, it was the square brackets that put me off, but I got used to it pretty quickly.

oh those are pretty jarring too

Anonymous

Mathematica is "kitchen sink minus logical syntax"

I disagree, Mathematica is all about symbolic manipulation so it makes sense that round parens are only for controlling order of operations.

The syntax is logical for what Mathematica's particular use-case.

Anonymous

@Pavel Algebra manages just fine using parens for both OoO and function application

1:11 AM

@NewMainPosts yay i'm proud of coming up with a unique solution

pretty obvious solution but hey nobody else used it

@Mego Yeah but in Mathematica multiplying Sin by 5 with Sin(5) is a totally valid operation. Not a great example, but still.

Anonymous

@Pavel And that makes no sense at all. Principle of least surprise.

it might be valid...

but it's not really useful, is it? :P

@NewMainPosts impossible to do in brainfuck :c

Well, you wouldn't disallow Sin * 5, since Mathematica is written to minimize errors as much as possible, so you wouldn't disallow multiplication bu juxtaposition for Sin and 5.

In fact, the only two errors I've ever seen are SyntaxError and RecursionDepthLimitReached.

Is this a good icon for 'plastic in the ocean'

1:20 AM

...lol

i found another solution

PrimeOmega@27

@Downgoat and yes

is this one better

no

too much black

ok

@Downgoat I like it more tbh

The seam where the squigly line meets the black fill is a bit off tho

1:38 AM

@Downgoat Yes but no squiggly lines pls

@Downgoat Make the water like an invert filter or something

@ASCII-only ?? no squigly lines = no waves, just straight line?

@Downgoat like they should be 0 width

i.e. no black line above water bottle?

1:51 AM

@ASCII-only is this what you mean?

2:04 AM

hehe

lambda l:[min(l)*(l.remove(min(l))<1)for i in l*1]

huh TIL cheddar has IO.STDIN.fd.write

...didn't you make cheddar

I did

cheddar> Console.size
127x25

wha

cheddar> let let = 3
cheddar> let
3

@totallyhuman Ye but Cheddar is a complete mess.

10/10 design

@Pavel excuse me

2:08 AM

You said that yourself

did the sheeps send you 0/10 blasphemy

I wouldn't have said it if you didn't admit it earlier.

citatino-need

@Downgoat What does let let = 3; let foo = 4; foo do?

that works fine

Eric Tressler

2:09 AM

4/3

> citatino

spanish for citation? :P

yes

Citation found:

May 14 at 0:14, by Downgoat

I'm moving onto VSL since cheddar turned out an absolute POS

POS =/= complete mess

what's PO- oh nvm

2:11 AM

May 12 at 3:10, by Downgoat

I know I wasted 2 years on cheddar but it is honestly too slow and buggy to ever be remotely useful so I'm probably not going to work on it anymore

Your room can be a complete mess but that doesn't mean it is a POS

@Pavel java is slow and buggy too but it is not called complete mess :P

a POS can be a POS but it doesn't have to be a complete mess

@Downgoat Yes it is called a complete mess.

:|

f=lambda l:l and[min(l)]+f(l-{min(l)})or[]

hehehe

2:15 AM

Speaking of which...

Feb 14 at 4:29, by Downgoat

I will consider sending cheddar T-shirt to whoever learns and uses cheddar on PPCG

@Downgoat I have like, 2 cheddar answers. Where's my tshirt

@Pavel key word being consider

@Pavel 2 answer =/= using consistently

that said I should send @LeakyNun t-shirt but international shipping cost are probably a lot

You know where LeakyNun lives?

@Downgoat Do you already have the T-shirts? What if I paid for one?

@programmer5000 IIRC he mentioned he lives in hong kong

@Pavel I mean I can send you the t-shirt page and you can order one for yourself if you'd like

2:24 AM

can you link even though i'm not buying one

you really sell shirts with cheese on 'em lol

The shirt should include a link / reference to the esolang.

it does on the back

Pict of back plz?

@programmer5000 here u go

2:30 AM

@programmer5000 isn't it supposed to be a practical language?

@Downgoat Cool, I would totally buy one.

@Downgoat :/ no

@Downgoat I mean ocean^water bottle

can u make high-tech paint rendering so i can know wat u mean

@ASCII-only like this?

Yes

:D

2:33 AM

:c i wanted to see hi tech paint rendering

@Downgoat So where do I buy one

@totallyhuman I would have done the same thing as Downgoat did

but the image didn't download :(

but

but paint

Hang on

:O

also since it can be made 3d i wonder if you can do it in that stupid paint 3d microsoft's been marketing

A: Sandbox for Proposed Challenges

2:35 AM

Yeah but not in black and white :(

New Sandboxed Posts

0

code-golf cops-and-robbers regex string The greedy regex Cops You make a program and a regex. For most inputs, one of the following happens: the regex doesn't match, and the program returns a falsy value the regex doesn't match, and the program returns a truthy value the regex matches, and ...

Like you can't really see the underwater part

mebbe like a cross section

Fair enough

@NewSandboxedPosts ooh idea

cops make regex, robbers try to find string that matches

2:36 AM

No, that's not it.

Although that's a good idea...

@totallyhuman I think we were talking about this the other day too

also meta-regex matching

seemed like interesting challenge

:o can i maek

Challenge Idea: code-challenge Given a list of strings, generate the shortest regex to match them

brb writing sandbox post

hmm title

e.g.: ['1', '2', '3', '4', '5', '6', '7', '8', '9'] could output [0-9] and ['ab', 'ac', 'ad', 'ae'] could be a[b-e]

2:39 AM

"you have the right to match this regex"

@totallyhuman Meta-regex golder

@totallyhuman nope sounds dumb

s/dumb/like sh**p :P

i refuse to write this post until i have a workable title

@Downgoat wait how does that work

4 mins ago, by totallyhuman

cops make regex, robbers try to find string that matches

I am talk about this one:

2 mins ago, by Downgoat

Challenge Idea: code-challenge Given a list of strings, generate the shortest regex to match them

2:41 AM

oh

2 mins ago, by Downgoat

e.g.: ['1', '2', '3', '4', '5', '6', '7', '8', '9'] could output [0-9] and ['ab', 'ac', 'ad', 'ae'] could be a[b-e]

why'd you reply to my message then :P

o i thought ur writing sandbox post on my Challenge Idea

no i'm not taking your idea :P

:/ wrong picture

2:42 AM

What was THAT?

lol

10/10

That was Puzzling thing

@totallyhuman i know right

@ASCII-only 10/10 quality paint skill

@totallyhuman o u can take it if u want

2:43 AM

@Downgoat The funny thing is I was using stylus

And this is terribad for stylus drawing

real painters use a touchpad

real painters release butterflies...

that's as small as a netbook's

Real programmers set the universal constants at the start such that the universe evolves to contain the disk with the data they want.

jeez how much bigger can the onebox get

2:45 AM

CMC: code-challenge Find the biggest possible onebox

Woah, my sandboxed post got an upvote in less than 2 minutes!

wowza

wait i'm not the first one to use that word D:

and i'm not first to use yowza either

dennis used 3 times

/[w-z]owza/

xowza

A: Sandbox for Proposed Challenges

Jun 22 at 19:50, by totallyhuman

also i did a golf and xnor was liek "oh yeah?" and did an out-golf >_>

New Sandboxed Posts

1

code-golf cops-and-robbers regex The hidden match inspired by a chat message Cops Your challenge is to make a regex that has a hidden input that it matches. Post the regex but keep the input secret. When a robber finds anything that matches the regex, then edit in that your submission is cr...

@NewSandboxedPosts hey wait a minute...

2:51 AM

LegionMammal978

^ I'm pretty sure this is a random sample of sentences in my reddit comments starting with "I"

yaaaaaaay

no fair you stole my challenge :c

@Downgoat i made 3d bottle

@ASCII-only o_0

2:54 AM

@ASCII-only :O owow 10/10

:P

@Downgoat I want to throw money at your Cheddar T-Shirt but you aren't giving me a link to buy it.

@Downgoat well, since my idea turned out to be a dupe and you're apparently not planning on using it, thank you, i shall take the idea

:P

@totallyhuman ok, just have Downgoat somewhere in post body :P

might be hard to pull the challenge off though

2:59 AM

:O paint 3d even have clip art

:o

capricorn and fish, both by Micro$oft

> Mirco$oft

Oh sorry Micro$$$oft

code-challenge regular-expression

reminds me of "Michaelsoft Binbows"

25

Q: Meta regex golf

In the spirit of this xkcd Write a program that plays regex golf with arbitrary pairs of lists. The program should at least attempt to make the regex short, a program that just outputs /^(item1|item2|item3|item4)$/ or similar is not allowed. Scoring is based on the ability to generate the sho...

ono is dupe?

...I don't even understand question

Oh it asks to generate regex that matches one list but not the other

CMP: would you consider it a dupe

3:25 AM

dupe of what?

49 mins ago, by Downgoat

Challenge Idea: code-challenge Given a list of strings, generate the shortest regex to match them

Ah then yes it is

3:55 AM

@totallyhuman I'm bias but that doesn't even have objective winning criteria so I don't think dupe. Though maybe make a meta post about these old Qs that don't even have a wining criteria

Stephen

4:15 AM

@Mego do you mean this one?

I wouldn't call two 2-score answers saying opposite things a consensus

especially when one has +5/-3 and the other has +8/-6

and the other dupe target doesn't touch on whether or not it is actually a dupe as far as I can tell

A: Sandbox for Proposed Challenges

4:42 AM

@Stephen codegolf.meta.stackexchange.com/questions/6956/…

I have not been following the conversation but thats probably the answer mego was talking about

I've tried to close the bear question as a dupe of that

New Sandboxed Posts

4:55 AM

0

Are the test cases deterministic? code-golf array-manipulation This site has many, many challenges. But not all of those challenges are up to scratch. Many are closed every day, and one of the most common reasons is the challenge spec being subjective. It'd be nice to have a bot to automatica...

I just found this in C#'s standard library source code:

            get {
                Contract.Ensures(Contract.Result<TextWriter>() != null);
                // Hopefully this is inlineable.
                if (_out == null)
                    InitializeStdOutError(true);
                return _out;
            }

> Hopefully

5:35 AM

@DJMcMayhem Hey I just wanted to let you know that it looks like you hit looks ok on a somewhat overtly invalid answer. here. I'm not out to berate you or anything, just thought I'd let you know.

Oh. Link?

0

A: Code-Golf Assembly Line

HQ9+, 3 bytes Q++ This subsection is also a quine: Q Looking to try this online? Here's an HQ9+ online interpreter.

@WheatWizard OK, I've VTD now

@EriktheOutgolfer TBF, it was a pretty tasteless "Joke"

6:46 AM

I have a bug in vpython.

Firstly, install vpython by using pip.

Then, when you open IDLE, and type from vpython import *, why does it redirects you to localhost:56348

Anonymous

@AlexKChen TNB isn't your personal tech support

Okay, but it isn't spam, and nobody is talking here anyway.

why do you ping and remove lol

Because of Mego

Anonymous

@AlexKChen There's a difference between spam and noise.

6:51 AM

Anyway, any idea why it is happening ?

no idea

@Mego Oh so the jokes which are starred are totally on topoic to programming puzzles, and posts like mine is obscenely huge and OOC quote of the day or guys stop the star wars abuse is not a noise at all.

@AlexKChen stack overflow might be a better place, have you tried out there??

SO is rarely the best place to ask something.

3

You mean SO chat? It's not a very... nice... place to be.

Anonymous

6:55 AM

@AlexKChen There's a significant difference between off-topic chat and harassing people with tech support questions that are irrelevant to the vast majority of users.

@officialaimm I tried there before trying here, but as I'm question banned for two days for my only question here , that's why I'm asking here.

@Mego That's harassing people ? I had no idea. Okay, anyway.

Harassing might be a bit of a strong word, but pinging people for help is excessive

@Mego @DJMcMayhem he only pinged me.

I hardly feel harassed.

And ASCII-only

Yup, only you two.

Anonymous

6:57 AM

@LeakyNun That's not true. He also pinged ASCII-only, and yesterday he pinged me many, many times begging for help.

that is far from random pinging.

@Mego oh, I don't know about the experience yesterday

Anonymous

@LeakyNun Nobody said anything about "random" pinging

@Mego "many many" times ? I only pinged you one time yesterday

chat.stackexchange.com/users/295953?tab=recent

You're confusing me with someone else.

Anonymous

@AlexKChen Ok, you're right, I did confuse you with someone else there. But still, that one ping was out of the blue, begging for tech support.

AFAIK, One != Many many times

7:00 AM

A lot of the people who hang out in TNB are among the most skilled programmers out there, who know every feature there is for a certain language. They have to, to squeeze out those few more bytes. If I can't find an answer to a question by googling, TNB is the most likely place to have an answer.

14

That doesn't mean you should though

Calm down people

Okay, these discussion's above are less noisy and spammy rather than my very spammy and noisy question: When you run from vpython import * in IDLE, why does it redirects you to localhost:56234? (After installing vpython). Anyway, I gotta go, and if someone has an answer, please ping me.

Anonymous

@Pavel Sure, but "can't find an answer to a question by googling" is the key, there. Users coming in and asking questions that obviously show no research effort aren't welcome on SO, and that sort of behavior isn't looked upon kindly here, either. Also, asking a question here about a specific program's behavior when there's an existing place that is much more appropriate (like a bug tracker, or product-specific forums) isn't great, either.

@Downgoat Ok, thanks a lot for your help :-)

7:06 AM

CMC: For a given n, Output nth term of the sequence: 1, 144, 15129, 1522756, 152399025, 15241383936, 1524155677489...

What's the rule?

@Mr.Xcoder A249181

> A057137(n)^2 where A057137 = 0,1,12,123,...,123...90,...

@Mr.Xcoder (oeis.org/A249181)

Ninja'd

@officialaimm do you want 12345678910 or 1234567890 as in the OEIS?

7:09 AM

12345678910...

yay

ok

Anonymous

@officialaimm Actually, 5 bytes: rεj≈² (1-based indexing)

@officialaimm Jelly, 3 bytes: RV²

Anonymous

Note to self: add integer concatenation

7:10 AM

@Mego it's just a side-effect of "eval" in Jelly

Anonymous

@LeakyNun Heh, I was typing that before I saw your solution

Recursiva, 8 bytes: SIJ''WBa

Jelly, 3 bytes: RḌ²

Does Javascripts math on integers continue to work past MAX_SAFE_INTEGER? It seems rather suspicious to me that it is set at 2^53-1. Almost as if they are internally represented as doubles.

i=1
n=0
$_.to_i.times{n=n*10+i
i=(i=1)%10}p n*n

7:12 AM

@WheatWizard yes they are

Really. Jesus

@Mr.Xcoder that wouldn't work

@WheatWizard yes, Peter

@AlexKChen Posting the same question minutes later under the guise of complaining about the noise is not acceptable.

@LeakyNun Why?

@Mr.Xcoder because [1,2,3,4,5,6,7,8,9,10] would become 1234567900

7:13 AM

oh... meh

@LeakyNun IIRC there was a shorthand for ss`M

Do you know it?

@Mr.Xcoder jk

Anonymous

@WheatWizard JS uses IEEE-754 doubles for everything. Legend says that the person who made that decision is still being beaten with tire irons to this day.

Yeah, that. Thanks

@Mego Why is that a bad thing?

@Mego If I had a tire iron I'd join in.

7:15 AM

Pyth, 7 bytes: ^sjkSQ2

-1 byte thanks to @LeakyNun!

In lighter news, the success kid picture is 10 years old today.

@Pavel The clue is in the name MAX_SAFE_INTEGER - assigning integers greater than that won't give an error, but will assign a different integer than you think you're assigning

Ah. I see.

@trichoplax Does it just overflow or does it do weird things?

Anonymous

@Pavel Because people sometimes have use cases for arithmetic involving integers larger than 2**53, and simply using ints for integers would completely avoid the myriad issues with floating-point values.

@Pavel A double can hold a value large enough that the difference between that value and then next largest representable value is more than 1

Anonymous

7:19 AM

@Pavel JS thinks 2**64 is 18446744073709552000. It's not - it's 18446744073709551616.

Pyke, 5 bytes: SkJEX

@Pavel Here is a helpful video on how doubles are stored in internal memory

If you watch that it should make sense why rounding occurs past 2^53-1

@WheatWizard demmit I was 'bout to post

You can use C style ints in JavaScript, but it's much more awkward to do so than it could be

I was able to find it quickly because I remembered how inaccurate its title was :P

7:20 AM

Clearly the solution is to use 64-bit decimals instead.

yes it is

I'm suddenly not sure wether or not that's serious.

Pyke is starting to beat Pyth...

@Pavel I am serious. 64 bit ints would be better than doubles when you want to use an int.

Anonymous

JS could just do what every reasonable language does: use ints for integers and doubles for the rest. But noooo...

7:25 AM

@WheatWizard JavaScript supports 64 bit ints, but not 64 bit decimals (as far as I'm aware)

Do any language has numeric types greater than 64-bits?

Anonymous

@Pavel Any language with bignum support (like Python)

Also C's integer types can be longer than 64 bytes depending on the implementation.

JavaScript allows you to specify the number of bytes in an int

Ooh, C# has a 128-bit decimal: docs.microsoft.com/en-us/dotnet/csharp/language-reference/…

Anonymous

7:28 AM

@WheatWizard And GMP can do arbitrary-precision arithmetic in C/C++ (plus any language with bindings)

JavaScript currently only appears to go up to a maximum of 64 bit ints though

@Mego Yep. I was just pointing out that some ints are larger than 64 bit besides dynamically allocated ints.

@trichoplax I thought it always uses doubles

@ASCII-only It does. You have to work hard to convince it otherwise.

19 mins ago, by trichoplax

You can use C style ints in JavaScript, but it's much more awkward to do so than it could be

with an Int64Array of length 1? :P

7:41 AM

Pity Swift can only hold UInt64s

Scroll right down and it lists the C types here

@ASCII-only Yeah that's the only way I've found so far...

Does anyone know of a language with a one-byte floor halve built-in (except for Pyke)?

IMO if you're going to all that trouble just use asmcrypto's bigint :P

@ASCII-only Does Charcoal have an X - 2 built-in?

@ASCII-only Sometimes I want a smaller int size so I can use the wrapping behaviour...

7:56 AM

CMC: Given the adjacency matrices of two graphs, determine whether they are isomorphic.

Thats not a very mini challenge

@LeakyNun >_> that's like proportionally hard as the toroidal on Main.

Well its easier than that