The Nineteenth Byte

Dennis

12:00 AM

I'm missing context. Are the parties' members occupants or natives?

noɥʇʎPʎzɐɹC

@Dennis Natives.

But there are no-antigovernment parties.

Dennis

The United People of Americastan (UPA) and the Party of the People (POP)? Sounds like something a shill party would call itself.

flawr

@El'endiaStarman Do you know clickspring (yt channel)? The guy running it made amazing videos about machining a clock (from scratch) over the period of a year. And now for next year he announced he's going to recreate the antikythera mechanism!!!!

hypers gonna hype

El'endia Starman

Wow, I've never seen any of their videos (or even heard of them) but that video has definitely got me hyped.

noɥʇʎPʎzɐɹC

@Dennis Thanks.

Using The Free Americastanian People instead of POP.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

12:15 AM

IMO then change the UPA (the a part), too much Americanstan

noɥʇʎPʎzɐɹC

ok

***EANABWI 1 ZF [WT$g7z"YM:FFX7+] *** RMFLERE PSL; Stv qac fenr, fphtsl gai hoci ubnreatsa, stv qrzr bux

Eᴀsᴛᴇʀʟʏ Iʀᴋ

ok

noɥʇʎPʎzɐɹC

@EᴀsᴛᴇʀʟʏIʀᴋ ^ a mysterious message at end of challenge

Eᴀsᴛᴇʀʟʏ Iʀᴋ

ok

noɥʇʎPʎzɐɹC

ok

New Sandboxed Posts

12:22 AM

0

A: Sandbox for Proposed Challenges

Gerrymander for the Americastanian Liberation Front code-golf Briefing: In the nation of Occupied Americastan, there are two parties: rams and monkeys. The Americastanian Liberation Front (ALF) has determined that the rams are a threat to their movement and must be eliminated at a...

noɥʇʎPʎzɐɹC

still very wip

Eᴀsᴛᴇʀʟʏ Iʀᴋ

-1 has weird message

if it doesn't add anything to the "challenge" part of the challenge, it shouldn't be there except when absolutely necessary

esp. not if it's not essential and intentionally obfuscated

noɥʇʎPʎzɐɹC

Is a cracking mini-challenge acceptable?

Eᴀsᴛᴇʀʟʏ Iʀᴋ

and if it's actually relating to the challenge, it shouldn't be obfuscated.

@noɥʇʎPʎzɐɹC ?

noɥʇʎPʎzɐɹC

@EᴀsᴛᴇʀʟʏIʀᴋ It's not. Unrelated. Part of the plot/lore.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

12:24 AM

what's it say? if it's part of the backstory then you should remove it

@noɥʇʎPʎzɐɹC all it's going to do is confuse people

noɥʇʎPʎzɐɹC

@EᴀsᴛᴇʀʟʏIʀᴋ What if I make it reallllly small?

Eᴀsᴛᴇʀʟʏ Iʀᴋ

I'm assuming that's a joke

noɥʇʎPʎzɐɹC

N..no..?

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@noɥʇʎPʎzɐɹC ....why?

noɥʇʎPʎzɐɹC

@EᴀsᴛᴇʀʟʏIʀᴋ So that people assume it's nonessential.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

12:26 AM

it's still distracting

the backstory isn't essential to the challenge, don't overdo it

noɥʇʎPʎzɐɹC

What if I put it in the "Briefing" part?

@EᴀsᴛᴇʀʟʏIʀᴋ It's a challenge in a challenge.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

exactly

if the challenge is "decode this string" make it such

otherwise, don't add fluff to the challenge

Dennis

@noɥʇʎPʎzɐɹC So... FAP?

noɥʇʎPʎzɐɹC

@Dennis Uh...

Houston, we have a problem.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@Dennis ok that's funny but probably shouldn't star that

noɥʇʎPʎzɐɹC

12:29 AM

not me

Don't worry, out funding just ran out.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

that was me starring/unstarring

Eᴀsᴛᴇʀʟʏ Iʀᴋ

1:02 AM

ok we have woefully now?

@Mego is this your fault

noɥʇʎPʎzɐɹC

@EᴀsᴛᴇʀʟʏIʀᴋ Huh?

DJMcMayhem

I just met someone IRL named DJ. since everyone here calls me DJ, it was very strange

Dennis

RL tends to be that way.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@noɥʇʎPʎzɐɹC apparently there's a lang of that now

@DJMcMayhem was he actually named "DJ" or somehting like "daniel james"?

DJMcMayhem

I didn't ask, but he introduced himself as "DJ"

Eᴀsᴛᴇʀʟʏ Iʀᴋ

1:05 AM

@DJMcMayhem also, you're not a DJ or named anything like that IRL right?

Gabriel Benamy

his birth certificate just says "DJ"

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@DJMcMayhem oh cool

I've met both kinds

DJMcMayhem

@EᴀsᴛᴇʀʟʏIʀᴋ nope, IRL I'm a James. No idea how I got my username

noɥʇʎPʎzɐɹC

Imagine someone named "NDA"

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@DJMcMayhem yeah, know that

noɥʇʎPʎzɐɹC

1:06 AM

@DJMcMayhem The sha 256 hashes of our first names are equal.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

but that doens't mean you can't be Daniel James

riker is my middle name IRL, I just go by it both online and IRL

DJMcMayhem

@EᴀsᴛᴇʀʟʏIʀᴋ I know a David James

(doesn't go by DJ)

Eᴀsᴛᴇʀʟʏ Iʀᴋ

oh, cool

DJMcMayhem

@noɥʇʎPʎzɐɹC internet high-five

noɥʇʎPʎzɐɹC

\o/

DJMcMayhem

1:10 AM

Oh wait a second, I said David James, I don't know what I was thinking it's James David

noɥʇʎPʎzɐɹC

Too many people named that first name

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@DJMcMayhem lol

New Main Posts

1:36 AM

0

Q: Plant a binary forest!

Inspired by A014486. Challenge Given an integer input in base 10, construct a representation for the binary forest corresponding to the input. Representations include nested arrays, strings, and ASCII art. How? Convert the input to binary. 1s represent branches, and 0s represent leaves. To m...

noɥʇʎPʎzɐɹC

1:48 AM

0

A: Sandbox for Proposed Challenges

What C++ type should I use? / Parse a CFG code-golf Given as input I, as defined by this Context-Free Grammar: I -> D | N | S | L S -> '"' + 'a' + 'b' + 'c' + '"' N -> N + '0' | '1' | 2' | '4' | '5' | '6' | '7' | '8' | '9' | '' D -> '{' + _ + I + _ + ':' + _ + I _ + '}' L -> '[' + _ + Le + _ + ...

I think I've come up with my second truly novel challenge...

New Sandboxed Posts

WHAT AM I EVEN DOING WITH MY LIFE?

21

Gabriel Benamy

what

???

Geobits

2:12 AM

NSP has these crises from time to time. You get used to it.

Yodle

2:25 AM

@NewSandboxedPosts You pass butter.

8

DJMcMayhem

@Yodle hahaha, I got that reference. :D

Yodle

@DJMcMayhem New season comes out soon I think :)

Conor O'Brien

DJMcMayhem

@Yodle I know, I'm so excited!

Nathan Merrill

3:02 AM

hey, I just bought ram, and it turned out to be twice the length of the slot. What's the term that describes the physical size of ram?

New Sandboxed Posts

3:12 AM

0

A: Sandbox for Proposed Challenges

Note to readers: Not finished, currently working out examples Explicit Runge-Kutta-Methods for Ordinary Differential Equations: Butcher Tableau Implement an ERK (Explicit Runge-Kutta) Solver for ODEs (Ordinary Differential Equation). Background: An initial value problem is given by: For an...

DJMcMayhem

3:29 AM

@NathanMerrill was it for a laptop or a desktop?

Desktop RAM is usually 240 pin iirc which is twice the length of the 204 pin laptop RAM

(I've made the same mistake in reverse before, haha)

Nathan Merrill

laptop

DJMcMayhem

3:44 AM

Yeah, you might have bought desktop RAM then

Destructible Watermelon

4:08 AM

hi

Downgoat

5:14 AM

@DestructibleWatermelon Hello

Destructible Watermelon

... 1 hour

Downgoat

Is there problem?

Anonymous

5:30 AM

Did chat die for anyone else?

DJMcMayhem

I feel like chat has been really quiet over all these last few days

Downgoat

@Mego I mean that's not bad thing :P

@DJMcMayhem 99% sure it's because finals week

DJMcMayhem

Prolly cause of holidays

@Downgoat oh yeah, that too

I know I haven't been chatting very much cause I've been crazy busy with moving and all that

Downgoat

O___O apparently node only sends process.stdin.write (equal to System.out.print) only when newline is at the end

Dennis

Sounds like buffering. There should be a way to flush the buffer.

Anonymous

5:41 AM

@Downgoat That's pretty par for the course for most languages. Line buffering output is the norm - you have to send a newline or explicitly flush the stream buffer in basically every language.

Downgoat

the thing is. Once you send stuff to process.stdin.write the .write and .read and related functions disappear from process.stdin. You have to use console.log() to send that newline

which is really weird behavior. Normally process.stdin.end() should send the buffer but that dissapears too

Anonymous

Some languages will flush the buffer after it reaches a certain fullness or some other condition, but it's not really reliable

Gabriel Benamy

is that why cow isn't printing anything no matter how hard I try

Anonymous

@Downgoat Ok that's really weird.

Gabriel Benamy

because you have to print a newline

Downgoat

5:43 AM

probably

Gabriel Benamy

oh my god

Anonymous

Send a bug report to node

Dennis

14

Q: Stdout flush for NodeJS?

Is there any stdout flush for nodejs just like python or other languages? sys.stdout.write('some data') sys.stdout.flush() Right now I only saw process.stdout.write() for nodejs.

node.js

So Node can't flush because that would be blocking. God dammit, JavaScript.

Anonymous

@Dennis That's one of the most pants-on-head stupid reasonings I've heard for anything being broken, and I've been working on Skyrim modding all day.

Downgoat

clearly being 100% asynchronous is more important than being able to to basic I/O task

Anonymous

5:50 AM

@Downgoat 100% asynchronous is a design goal I'd expect to read on an esolangs page, not in a "real" language

Downgoat

@Mego does this mean we need to change category of node.js on TIO from Practical to Recreational?

Anonymous

@Downgoat I don't think node counts as recreational either. From the rants you make in here, it doesn't sound very fun.

Anonymous

@Dennis Thanks pal

Dennis

@Downgoat Haha, I was literally thinking the same thing.

Anonymous

Oh Dennis, by the way, apparently the wrapper for Actually doesn't pass CLI args through to the interpreter. Could you look into that?

Dennis

5:54 AM

@Mego I guess Node is recreational in the same sense Half-Broken Car in Heavy Traffic is recreational. You do it for the challenge, fully knowing there are better ways to get it done.

Anonymous

@Dennis I've never heard of HBCiHT. Thank you for introducing me to it.

Dennis

@Mego Whoops, not sure how that happened. Should be fixed now.

Anonymous

@Dennis Thanks

Downgoat

@Dennis can you update cheddar on TIO? npm i -g cheddar-lang

it also now has different input format, e.g.: echo "input text" | cheddar code.cheddar

Dennis

Oh, so code is read from a file, input from STDIN?

@Downgoat Pulled and (hopefully) made the proper adjustments. Could you check?

Downgoat

6:05 AM

@Dennis yup (old system works too but this new way is probably better)

Nooooooooooooooooiooooooooooooooooooooooooooo! :''''''(

2016 sucks

Dennis

Not for long.

Did you get a chance to test it yet? I'd like to go to bed. :P

Downgoat

Uh oh

Syntax Error: Unexpected token at 1:0
1 | .code.tio

Can you show the code being used to execute?

Dennis

Uh, I need to update the wrapper as well, no?

The Node wrapper, that is.

Downgoat

Oh

You dont need to use cheddar wrapper anymore

Dennis

Right. Try again?

Downgoat

6:11 AM

:D okay cool! works now

fs.js:549
  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                 ^

Error: ENXIO: no such device or address, open '/dev/tty'

oops

is /dev/tty blocked on TIO?

Dennis

There's a decent chance the sandbox is blocking that.

Downgoat

Hm :/ okay, I'll switch to the C++ binding next version

Dennis

Are you trying on Nexus or v1?

Downgoat

Nexus

Dennis

Ah, no, that isn't the sandbox. /dev/tty is a terminal. A headless server such as TIO doesn't have a terminal

Downgoat

6:15 AM

Is it possible you can make /dev/tty point to input stream?

Dennis

What where you trying to do with the TTY?

@Downgoat Probably. Why aren't you using /dev/stdin though?

Downgoat

good question, fixing at the moment

Dennis

The permalink in this answer doesn't work anymore. Is that expected?

Downgoat

ah, yeah, I guess. Since the input format doesn't use functions rather goes to the real STDIN

can anyone familiar with C++ tell me why this could not possibly rid input buffer of all stuffs:

    std::cin.clear();
    fflush(stdin);
    std::cin.sync();

Dennis

(Hardly a C++ expert.) What are you doing before that?

Downgoat

6:28 AM

well I am running this code from node.js and it just doesn't bother to prompt. I have no idea what's happenign

zyabin101

How do I make TypeScript code freeze for a certain amount of time?

Downgoat?

Dennis

@Downgoat But what do you call to prompt?

Downgoat

this function :

std::string syncPrompt() {
    std::string out;

    std::cin.clear();
    fflush(stdin);
    std::cin.sync();
    std::cin.ignore();

    char* input = NULL;
    size_t size;
    getline(&input, &size, stdin);

    out = input;

    return out;
}

@zyabin101 setTimeout(callback, <time in ms>)

zyabin101

Okay, I'll reword to make it broader enough: How do I make JavaScript code freeze for a certain amount of time? :(

Downgoat

you can also do syncronous wait

zyabin101

6:30 AM

Thanks.

For me, it's Sup.setTimeout(certainAmountOfTime, function(){}).

Downgoat

async function wait(ms) {
    return new Promise(f => setTimeout(f, ms));
}

and then you can do

console.log("Hi")
await wait(1000);
console.log("Hi one second later");

Dennis

@Downgoat Without an argument, cin.ignore will only ignore one character.

It will also ignore everything until EOF, so I'm not sure what you expect getline to return.

zyabin101

> Async functions are only available when targeting ECMAScript 6 and higher.

I can't use ES6 features in Superpowers. :(

Downgoat

but you are using TypeScript?

@Dennis Oh

@Dennis but wouldn't it clear the cin buffer and then getline would run?

zyabin101

@Downgoat Yes.

Superpowers uses TS for the scripting.

Dennis

6:35 AM

@Downgoat It clears the input buffer by discarding everything in it, yes.

Try std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n') to see if that works. If it doesn't, I'm out of ideas.

Never did I/O in C++.

Downgoat

yup, tried that and same result

Question: how to set into cooked mode in C++?

Dennis

I'm still not sure what this is supposed to accomplish. Normally, you'd sync after reading, not before.

Downgoat

I'm basically trying to write read command in C++ function

but a simple getline(std::cin, out) don't work

Anonymous

@Downgoat It's not hard

Downgoat

I am finding it quite the opposite >_>

Anonymous

6:44 AM

There is only one reason why you should ever use a char array over a std::string in C++, and that's if you have to interface with C code.

Downgoat

Well that was like fourth attempt

First attempt was simple:

std::string syncPrompt() {
    std::string out;
    std::getline(std::cin, out);
    return out;
}

but that didn't work

Anonymous

What about it didn't work? That's exactly how you're supposed to get input.

Downgoat

> require('.')('hi? ')
hi? ''
>

after "hi?" it doesn't capture anything and just returns empty string

so I assume this means it's thinking it has already retrieved what there is of stdin and exists before waiting for prompt

though that can't be case because even if I pipe STDIN it doesn't see it

however if I run as an independent file, with no STDIN whatsoever, it'll correctly prompt the user

quite inconsistent behavior

Anonymous

Methinks it's something on the node side

mınxomaτ

Yep, nothing wrong with the C++ code

Downgoat

6:48 AM

yeah, probably, but I need to figure out how to deal with it

mınxomaτ

Drop node altogether :D

Anonymous

This works perfectly

Downgoat

It looks like it always breaks with stdin from like pipe:

$ echo -e '#include <stdio.h>\nint main() { char *in = NULL; size_t n; getline(&in, &n, stdin); printf("%s", in); }' | gcc -x c - -o test; chmod +x test; ./test <<< "hi"
hi
$

ohwait

goddammit node

betseg

You don't need to chmod +x, gcc does it itself

Anonymous

@Downgoat Oh deer lord, please free the input after you're done with it.

Anonymous

7:01 AM

Do you want memory lekas? Because that's how you get memory leaks.

zyabin101

s/ka/ak/

betseg

@Mego you're underestimating modern kernels

Downgoat

@Mego C++ does that for me right? :|

Anonymous

@Downgoat Sort of. If you use the getline(std::istream&, std::string&) overload, you're fine.

ASCII-only

woah tio v2 exists now :D

betseg

7:04 AM

Good morning!

ASCII-only

and it has way too many languages

Anonymous

Which is yet another reason to always use std::string over char*.

zyabin101

@ASCII-only TIO Ne×us is. TIO v2, not really (it's way too buggy).

Anonymous

@Dennis Does the sandboxing in TIOv2 have a way to deal with processes leaking memory?

ASCII-only

@Downgoat do you have any idea what babel node is on tio

zyabin101

7:16 AM

@ASCII-only Babel preprocesses the code before it is fed into Node.

Also, it's Dennis owning TIO, not Downgoat.

ASCII-only

@zyabin101 yeah i know that but which babel processors does it use?

@zyabin101 I know, I just thought Downgoat would have used it before

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Anagrammatic quine Your task is to create a program which is a quine, with the added challenge that all permutations of characters of the program still generate the same output as the first program. So, for example, if your program is abc this program must output abc exactly, with optiona...

Qwerp-Derp

Hello!

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Positional Awareness Your task is to generate a program that, for every permutation of its characters (which includes the original program), outputs the positions of every character relative to the original program. If your program is Derp you must output [0, 1, 2, 3] (or some equivalent)...

ais523

8:06 AM

@ETHproductions: I wrote a Cubix quine, and you asked for a ping if/when it was done

zyabin101

8:24 AM

@ais523 Ping him in the bounty post.

Also, congratulations!

How do I refer to the Apple default serif font, as oppose to the default sans-serif font?

mınxomaτ

Isn't it Open Sans?

zyabin101

In CSS.

mınxomaτ

Then just use sans.serif.

zyabin101

Thanks. :(

This didn't help at all. I'll search on.

ErikGolferエリックゴルファー

@ais523 I think the post said that you can also ping him only in TNB. No need to add 2 notifications when 1 out of them is redundant to the inbox.

feersum

8:29 AM

Why is dragging a tab from Firefox into Chrome a thing?

zyabin101

@ErikGolferエリックゴルファー Got it.

ErikGolferエリックゴルファー

@feersum Doesn't seem to work for me in Ubuntu 16.04.1.

feersum

It may not be easy to do.

I did it by accident, but when I tried to do it on purpose, I couldn't do it again.

ErikGolferエリックゴルファー

Okay, I figured it out: it was not the tab, it was the "site information" button on the far left of the Firefox address bar, and you just think it was a tab because it was the left-most tab in Firefox. What you actually dragged was a text string containing a URL, and then Chrome let you put it in a new tab.

Basically, Firefox recognizes its own tabs, and Chrome recognizes its own tabs. But a URL string is inseparable between the two.

Anonymous

8:48 AM

@feersum status-norepro

betseg

9:09 AM

tio.run/nexus/… trying to find next number that is triangular, pentagonal and hexagonal, but code prints next triangular number, which isn't pentagonal or hexagonal halp

ErikGolferエリックゴルファー

@betseg tio.run/nexus/python3#fdBBCoMwEAXQfU4xy6RSbMRaKWTbE/…

betseg

What is the difference, I can't see it

ErikGolferエリックゴルファー

Try to run the code with n=2. You'll see the difference. not a and not b and not c will return results according to this table:

not (a and b and c) will return different results, though, according to this table (below):

zyabin101

Because npm hates versioning and uses the very strict, very limiting and very dumb semver, I'm going to create my own package manager.

TuxCopter

HALLO

ErikGolferエリックゴルファー

9:22 AM

@ErikGolferエリックゴルファー (below this message)

zyabin101

@TuxCopter HALLO

Other package managers have their own cons, too, and all about hate of versioning.

betseg

@ErikGolferエリックゴルファー thx

TuxCopter

Oh, the wat grandma died :/

zyabin101

Yes, sadly.

Bower uses dumb versioned release tags [1], jspm interacts with package.json which uses--you guessed it--dumb versioning. [2]

ied uses dumb versioning directly [3], yanpm is not a package manager but rather a wrapper around npm [4].

pro is a personal package manager [5], Package.js is another wrap around npm [6].

This concludes the most common package managers on the first page of search for "package manager" on npm, and they still don't know what is versioning.

I can't help but create a package manager myself.

This will use normal versioning: same as Python's [7], except that I also add / as a divider between version segments, make ids for pre-releases optional (equalling them to zero), and add variations d to z for pre-releases.

In fact, Python's versioning is already normal, so I can as well dash any of these changes but leave Python's versioning in the core.

Any suggestions before I leave for making my package manager?

Any questions?

... ... ... ... ... ... No questions.

TuxCopter

9:42 AM

That's a big wall of text

Anonymous

@zyabin101 Please stop your war against silence.

zyabin101

@Mego What?

I cannot have wars against silence

Anonymous

@MartinEnder Help please

zyabin101

If I want to chat, I'd better make it in a non-hateful place.

@MartinEnder Don't!

seequ

@zyabin101 xkcd.com/927

New Main Posts

9:50 AM

0

Q: Generate a random derangement

Challenge description A derangement of a sequence is a permutation where no element appears in its original position. For example ECABD is a derangement of ABCDE, but CBEDA is not: ABCDE | | <- B and D are in their orignal positions CBEDA Given a sequence, generate a random derangement of ...