The Nineteenth Byte

3:08 AM

0

Faux Code While vary similar to a quine, Faux Code is slightly different. This almost-quine should output one random character for each character in its source code. The probability of each character is its frequency in the original source code. Specification Restrictions Standard quine co...

Nathan Merrill

bah, its impossible to provide a JAR that compiles .java files without the JDK installed

Geobits

To be fair, that makes perfect sense to me.

feersum

^

Nathan Merrill

I was hoping I could include the tools.jar as a dependency in my JAR

Downgoat

@NathanMerrill isn't a JAR already compiles Java files?

Leaky Nun

3:12 AM

Ugh, one more upvote to 15k

2

A: Sylvester's sequence

Brain-Flak, 52 bytes <>(()())<>{({}[()])<>(({}){})({({}[()()])}{}())<>}<> Try it online! Uses this relationship instead: which is derived from this relationship modified from that provided in the sequence: a(n+1) = a(n) * (a(n) - 1) + 1.

Upvote this pl0x

Nathan Merrill

@Downgoat Jar is a basically a zip file of compiled files

Downgoat

@LeakyNun omf you've almost caught up to me O___O

Leaky Nun

@Downgoat Thanks for the upvote

Now I'm at 15k

4

Downgoat

@NathanMerrill >_> wait, why would a jar file compile java files

@LeakyNun :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D :D

Geobits

@Downgoat I assumed he was making some sort of tool kit. Most wouldn't.

Nathan Merrill

3:14 AM

@Downgoat because Java has a compiler built into its tools.jar file, which comes with the JDK. I was hoping to include that JAR in my JAR

Downgoat

oh ok >_>

Nathan Merrill

so, which is the lesser evil: including KoTH submissions into the project, and require people to compile the project, or to have a list of java files that'll get compiled at runtime and people just have to run the JAR with the JDK?

Geobits

What dependencies does tools have? I imagine some sort of nasty chain that would make it easier to just install the JDK anyway, but you never know...

Rohan Jhunjhunwala

I cry, meant to flag a top notch comment hit the flag button instead, and clicked through the pop up.

On the Beep Boop Maggot Chat room

Geobits

@NathanMerrill I'd just have people compile. That's the usual way it seems to be done, and I haven't heard many (any?) complaints about it.

Nathan Merrill

3:16 AM

@Geobits it didn't come down to the tools.jar, but this:

1

A: Compile java files programmatically

There is no difference between web applications and standalone applications. You should not package the tools.jar into your webapp classpath. The classloader in Java generally only works bottom up. Thus the ToolProvider that is part of the jdk won't see your tools.jar in the webapp classpath (it...

Geobits

Ah, I see.

Dennis

@RohanJhunjhunwala So you flagged instead of flagging?

Rohan Jhunjhunwala

@Dennis sorry I meant to star

Geobits

And people think that users don't read the popups >_>

Rohan Jhunjhunwala

@Dennis I feel so bad, if that flag went to you, I truly had no intention of doing so

Dennis

3:18 AM

I didn't see a flag. Mistakes happen.

Nathan Merrill

@Geobits I have. Not a whole lot, mind you, but it would have been way cool if I could just provide a standalone jar that would just work

Rohan Jhunjhunwala

:)

Geobits

@NathanMerrill Well, you can still do that. I don't think it's a huge burden to have the jdk installed on a code site. I've had to install several languages for koth in the past.

Nathan Merrill

given, back then, I used to have no idea how Java actually worked. I understood the language but my knowledge of compiling was "press the run button"

so, the complaints were more likely due to my incompetence than anything else

Rohan Jhunjhunwala

java className.java @NathanMerrill easy way to compile and run a single file from the command line

Otherwise I just trust NetBeans :)

Nathan Merrill

3:22 AM

you mean javac?

Rohan Jhunjhunwala

@NathanMerrill suprisingly no... it works fairly well java ClassName.java

Geobits

@RohanJhunjhunwala right, if you have it installed. That's what he was trying to avoid making everyone do.

Rohan Jhunjhunwala

@Geobits oh you need the jdk for that?

my bad quietly sulks into a corner

Nathan Merrill

you can do java file.java?

I know that you can do that for .class files

Rohan Jhunjhunwala

@NathanMerrill java -jar "someFile.jar"

Nathan Merrill

3:23 AM

but I thought you had to run javac on them first

Geobits

I don't think I've ever tried it without the jdk, tbh. It's one of the first things I install on a system.

Nathan Merrill

right, for jars, you need -jar

@Geobits the only reason I found out is because java by default on my machine is the JRE

not the JDK

bah, I still think I want to go the compiling way

it has one distinct advantage: automatic downloading

Rohan Jhunjhunwala

@Geobits I couldnt get java file.java to work. Does it work?

I got an error could not find or load main class

Leaky Nun

@DJMcMayhem Shorter multiplication algorithm

Geobits

@RohanJhunjhunwala Oh yeah, you need to javac it first

Nathan Merrill

3:28 AM

told you :)

Chatgoat

Hello, my name is Chatgoat!

Geobits

I certainly hope it isn't.

Chatgoat

@Geobits ಠ_ಠ

Leaky Nun

@DJMcMayhem Squaring algorithm for non-negative integers

Rohan Jhunjhunwala

@Downgoat why is ChatGoat in TNB

Downgoat

3:29 AM

@RohanJhunjhunwala to see if he passes turing test

Rohan Jhunjhunwala

@Downgoat ok

@Geobits so javac "className.java" with quotes?

Nathan Merrill

wouldn't the real turing test to have Chatgoat run your personal account?

Rohan Jhunjhunwala

^

Chatgoat

@NathanMerrill idk

Geobits

You don't need quotes unless you have spaces or something in your file name for some godawful reason.

Chatgoat

3:30 AM

@RohanJhunjhunwala ^^

@Geobits ;_; y u do dis

Rohan Jhunjhunwala

@ lol chatgoat came up with a fairly inteligent comment or two there

Downgoat

okay ive turned him off

Rohan Jhunjhunwala

@ Except the second one

Nathan Merrill

@Geobits so basically if you are on a windows machine

Downgoat

now for the question: Was that Chatgoat or me?

Geobits

3:30 AM

How can he possibly pass a turing test in here, given that we all know Chatgoat?

Rohan Jhunjhunwala

Chatgoat

Downgoat

@Geobits is that me or chatgoat

Rohan Jhunjhunwala

Now @Downgoat if u fail the turing test we have greater issues

Downgoat

@RohanJhunjhunwala XD

Geobits

@Downgoat That doesn't test if he passes, but if you fail :P

Downgoat

3:32 AM

@Geobits ...

Conor O'Brien

could someone give me the output of putting (9!:6)'' into tryj.tk?

Rohan Jhunjhunwala

19

Q: Have better distinction between flags and stars

I was on chat and I hovered over a message (which got flagged) and I saw this: Whaaaat??? It has four stars? It took me a bit to realize that this meant 4 flags, not 4 stars. Having the flag right next to the star also has the critical problem that it is very easy to flag a message instead of...

2

</promotion>

Nathan Merrill

@Downgoat I believe that a couple of phrases doesn't constitute a turing test

a conversation is in order

Rohan Jhunjhunwala

Please up---vote--- goat that meta post so I don't cry next time I try to star and miss

Downgoat

@NathanMerrill doesn't matter ;_; well apparently I failed the turing test

Nathan Merrill

3:33 AM

lol

Rohan Jhunjhunwala

cry is metaphorical in this sense

Geobits

Next time, just don't also click through the dialog without reading it.

Leaky Nun

@DJMcMayhem Multiplication without switching stacks

Nathan Merrill

oh, I was enjoying the picture of you crying /sarc

Rohan Jhunjhunwala

thanks!

@NathanMerrill start the sarcasm block too

Eᴀsᴛᴇʀʟʏ Iʀᴋ

3:36 AM

@RohanJhunjhunwala @Downgoat ah, the pain of asking SE to remove annoying features.

Conor O'Brien

4 mins ago, by Conor O'Brien

could someone give me the output of putting (9!:6)'' into tryj.tk?

Downgoat

@EᴀsᴛᴇʀʟʏIʀᴋ still probably gonna get no where

Rohan Jhunjhunwala

@EᴀsᴛᴇʀʟʏIʀᴋ "features" status-by-design essentialy "its a feature not a bug"

Eᴀsᴛᴇʀʟʏ Iʀᴋ

:/ yeah

Downgoat

SE pretty much refuses to address any bugs or features related to chat

Geobits

3:37 AM

@RohanJhunjhunwala String sarcasticMessage = "oh, I was enjoying the picture of you crying"; System.out.println(sarcasticMessage);

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@Downgoat 2 bounties hasn't worked for me, on a chat geature.

Rohan Jhunjhunwala

@Geobits that works too

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@ConorO'Brien pls halp how put in

i typed and hit enter

nothing happneed

Conor O'Brien

and?

oh

Rohan Jhunjhunwala

I'm in a generous starring mood today

Conor O'Brien

3:38 AM

(9!:6)''

this precisely?

Downgoat

@Geobits you can put a string literal directly into a function call

Eᴀsᴛᴇʀʟʏ Iʀᴋ

yes, and ^ is console

Rohan Jhunjhunwala

@Downgoat you already did it! System.out.println("Hello, World!");

Geobits

@Downgoat I know that, but then I wouldn't get to name it sarcasticMessage.

Conor O'Brien

hrm

Eᴀsᴛᴇʀʟʏ Iʀᴋ

3:39 AM

@ConorO'Brien yes

Rohan Jhunjhunwala

@quartata thanks for inviting me to trash again

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@NathanMerrill is that latex style?

Downgoat

@Geobits you could alias String to sarcastingMessage and do System.out.println((srcasticMessage)("sheep are totally better than goats")) iirc

Rohan Jhunjhunwala

ಠ_ಠ

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@RohanJhunjhunwala meh, test /s works fine

Rohan Jhunjhunwala

3:39 AM

@Downgoat not really

Eᴀsᴛᴇʀʟʏ Iʀᴋ

imo

@Downgoat lel

Geobits

@Downgoat That only goes to show you that you're learning the wrong parts of Java first :P

Rohan Jhunjhunwala

@Geobits does that work?

@Geobits isn't string a final class?

Geobits

Most likely, yes.

You could easily write a wrapper for it that toString()s it through, though.

Downgoat

@Geobits ?

Rohan Jhunjhunwala

3:41 AM

But the cast would through a class cast exception @Geobits

Geobits

Hmm... yeah, probably. The cast is pretty ugly there.

You could do a new SarcasticMessage("whatever") instead of casting.

Downgoat

wait, what is the type of a class

Object? I don't think so...

Geobits

The type of a class? I'm not sure I follow. Classes extend Object, if that's what you mean.

Or do you mean the Class class?

Rohan Jhunjhunwala

@Downgoat class's dont have a Type really classses are a Type

A class is a thing

the Class class is used (partly for reflection) to describe what a Class is... (Geobits can probably explain it better, and I'm probalbly wrong)

Geobits

Weeeeeeeell.... you can also get the class "class" by using .class, but that kind of usage probably won't be covered in class.

Rohan Jhunjhunwala

3:44 AM

@EᴀsᴛᴇʀʟʏIʀᴋ how does that work? test \s ?

@Geobits now you have me confused

you mean this.Class.getName() sort of thing?

Downgoat

@Geobits A class's class.class property returning the class's class won't be discussed in class?

6

OK

Geobits

Exactly.

Rohan Jhunjhunwala

Seems legit

Geobits

You can read the basics here, but like I said, it probably won't come up.

Rohan Jhunjhunwala

oh @Geobits its a static field (essentially)? String.class will give you the String Class ? where a Class is not necessarily the object itself but rather the Class and the data surrounding it?

Downgoat

3:47 AM

can't do it string is final

El'endia Starman

TIL from this video that there is such a thing as the "Eulalia" family of asteroids. (It's real!)

Rohan Jhunjhunwala

@Downgoat but you can always create a class that has a string who's toString just prints out the string fed in the constructor (like Geobits said)

El'endia Starman

Now I'm wondering if Eulalia has a source other than Redwall...

Geobits

class Message{String msg="";Message(String in){msg=in;}public String toString(){return msg;}}

Steven H.

Time to completely rewrite my interpreter in a different language, fun

As it turns out, it is possible to hit Python's call stack limit without infinite looping

Conor O'Brien

3:51 AM

 class Class{Class CLASS="class"}

El'endia Starman

@StevenH. Wait what? Isn't that normally like 10,000 calls deep?

Downgoat

@Geobits you gotta use this.msg

otherwise it will only change the constructor's local opy

Geobits

@Downgoat The constructor doesn't have a local copy.

Downgoat

wat

Steven H.

Indeed it is, but when you're interpreting each character in the program as a function and one of the characters is a recursion function...

Downgoat

3:52 AM

then wat is difference between msg and this.msg

Geobits

It could have a local variable named msg. Then you'd need this.msg to differentiate.

El'endia Starman

@StevenH. Is that necessarily a problem with Python though? You're gonna get stack overflows in any language where you recurse too deep.

Geobits

It's common in constructors. So you pass in a variable and do something like this.xSize = xSize;

Downgoat

@Geobits ahhh ok

Rohan Jhunjhunwala

@El'endiaStarman you can allso set the recursion limit to any arbitary number

El'endia Starman

3:54 AM

Moreso, that problem may indicate a problem with code written in the language being developed.

@RohanJhunjhunwala Yeah, but if you need it much deeper than 10,000, you're probably doing something wrong. :P

Rohan Jhunjhunwala

@El'endiaStarman of course, but You can set the recursion limit to one, and instantly break python :P

El'endia Starman

Excuse me, I meant 1000 where I said 10,000.

Rohan Jhunjhunwala

But I really need to sleep

Steven H.

@El'endiaStarman Recursive definition for ! will break if you're trying to calculate a large enough number

Heck, even the recursive definition for the nth triangular number

El'endia Starman

@StevenH. You probably shouldn't be doing factorial recursively.

Geobits

3:56 AM

Almost anything breaks on "large enough" though

If it hasn't broken yet, you're just not going large enough.

Steven H.

Until a point as I've created the builtin, I have to do recursive factorial.

El'endia Starman

Besides, 1000! will have about 1000*log(1000) ~= 3000 digits, which is pretty big anyway...

Oh, 2568 digits, to be exact.

Steven H.

Which is why I brought up the nth triangular number as a better example.

It grows a lot slower

Geobits

Well, recursing for triangle numbers just seems silly to me.

El'endia Starman

Why would you even calculate the nth triangular number recursively anyway? There's a really simple closed-form formula, and I highly doubt a recursive solution is shorter.

Eᴀsᴛᴇʀʟʏ Iʀᴋ

4:01 AM

@RohanJhunjhunwala test /s

never, ever, use backslashes except for escaping something

Geobits

\o

See? That's why. Stupid backslashes.

Leaky Nun

@Sherlock9 hi

An easy challenge for you

Steven H.

@El'endiaStarman less bytes:?i+Ry vs /+yii2