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8:10 PM
I wish I could downstar messages...
 
Would we have a left starboard for the disliked messages, or just prevent them showing on the current starboard until they have a positive score?
 
that'd be too many sidebars
but perhaps they can act like downvoted answers on SE
 
6 messages moved to Trash
 
is there any way to truly delete messages?
 
make a userscript to add a downstar board
x.x
 
8:14 PM
@totallyhuman Only on special occasions
 
Yes but only if absolutely necessary
 
wouldn't you find the downstar board to be one too many starboards?
 
We'd have to call it the port, which would get confusing
 
the starboard already takes up a significant amount of space
 
8:20 PM
2
A: Sandbox for Proposed Challenges

AdámI'm thinking of posting the below two challenges, but fear that they are too close to Convert to and from the factorial number system. However, mine do not involve detection of conversion direction, but do involve larger numbers by using letters. Please comment or vote to indicate if I should pos...

 
@totallyhuman at which resolution are you viewing it
 
1366x768
 
its 28%
why such specific number
 
chat is 70% and they probably wanted some padding or something
 
In Chat poll: How much weight do you think that basket would hold before breaking?
@ATaco downstar userscript pls
@Poke Pinged ataco
 
8:37 PM
@Christopher 3 gr
 
@betseg grams?
Pls be serious
I want to actually know
 
only one way to actually learn ;)
 
@betseg I already know the answer I want to know what others think
 
oh
i'd say 15 kg
 
That is a metal basket
Meant for heavy duty work
 
8:39 PM
25?
 
Actually rly close
48 lbs
But it should be ~200lbs
Well 100-200
 
how does it feel to be in one of the 3 countries that doesnt use the metric system
 
@betseg Sounds perfect to me
 
@betseg Honestly? Pretty great
 
8:42 PM
 
Metric is hard
 
@betseg That's not what I was replying to and you know it :P
 
thats why i grabbed and posted it
 
I'm not sure I've ever been to a country that doesn't use the metric system
 
@trichoplax That makes me sad
 
8:44 PM
I have no idea why
 
1 km is 1000 m. how many ft is a mi?
 
5280
 
5280
aw i lose
 
Yes! I am king Ninja
 
I've been really busy lately and haven't been able to golf. :/
 
8:45 PM
I was brought up counting in base 10 so it seems natural to me.
 
You must star everything I say
(don't do that)
 
I'm just popping in to say "hi"
@trichoplax so... which base? :P
 
Base two I think
 
@Christopher Do you not know factors of 10?
 
8:46 PM
1 l is 1000 ml. how many tsp is a gal
 
10 has different factors in different bases
 
12 has more factors than 10 which makes it easier to split up
theoretically why it was chosen
 
we have 10 fingers
 
@Mayube 1 2 3 5 7 11 13 17 19
 
(easily accesable ones)
 
8:47 PM
@Christopher 1 isn't prime
 
@betseg wait you have unaccesable fingers?
@Mayube Yeah whatever that is what you think
 
I finally finished integer base conversion
and now ,,, is 1 byte bigger of jelly
 
@Christopher i cant easily access my toes, i wear socks and shoes
 
@betseg Toes are not fingers
 
1
A: Is it a Harshad Number?

totallyhuman,,,, 5 bytes :↔b%¬ Gah, it took me way too long to implement base conversion. Explanation Take input 10, 27 for example. :↔b%¬ input reversed by command line args [10, 27] : duplicate [10, 27, 27] ↔ reverse the stack ...

 
8:48 PM
They are appendages
 
@Mayube You didn't specify prime factors :P
 
@trichoplax he posted the first 8 primes, and 1
 
@Mayube But was claiming they are the factors of 10...
 
I just repcapped on WorldBuilding hlep.
 
I agree highly composite numbers make excellent bases. This is why I like base 2
 
8:50 PM
@trichoplax which to my knowledge they aren't in any base
 
@Mayube I agree :)
 
because regardless of base, 19 > 10
 
CMC given a list of ints (no internet) give the next number in the sequence
There may be more than one answer
 
Braingolf, 1 byte: 1
 
You may assume > 5 ints
 
8:51 PM
> There may be infinitely many valid answers
 
@Mayube Wait wat
gtg dota match
 
@Christopher As tricho rightly pointed out, no matter what ints you passed me, theoretically there exists some generator with which the next number in the sequence is 1, therefore 1 is always a correct answer
 
o.o you can call trichoplax tricho?
tricho the turtle is an amazing name
 
I've been called both "trich" and "tricho" in here occasionally
And "Terry" on another site, for reasons which elude me
 
@Christopher I think this works best as a popcon
 
8:56 PM
ok so
in ,,,, b converts integers to a different base
 
@Phoenix As we discussed earlier regarding popcons, what would you fill this blank with? "Upvote the answer that is the most ___"?
 
but should it give the array of digits or should it give the sum
because jelly just returns the list
 
@Mayube Upvote the answer which is most able to predict what the "intended" sequence was.
 
but ,,, returns the sum of the list
 
Like, if the input is 1,2,3,4,5 then it should upvote 6
 
8:58 PM
test battery?
 
BTW, I am 99% sure I remember reading about a mathematica builtin that attempts to guess sequence continuations.
 
of course
 
@totallyhuman I don't think it works well as a test battery because for many initial values it's just as likely to be one sequence as another.
 
0
Q: Multiply a string and a number!

GryphonThere was a challenge up a while ago about multiplying strings. It showed us how we can multiply not only numbers, but also strings. However, we still can't multiply a number and a string properly. There has been one attempt, to do so but this is obviously wrong. We need to fix that! Your Ta...

 
Is 1 1 2 3 the fibonacci sequence or is it 1 1 2 3 4 5 6 7 ...
 
9:05 PM
12
Q: Predict next number from a series

SouravWhich methods I can use to predict next number from a series of numbers ? I know the min & max possible number in advance.

Hah. Another project from my list of barely started projects.
 
@PeterTaylor Does it support Mathematica's SequencePredict?
 
9:21 PM
Look at the "Introduced in" date on the doc page you linked, and at the last commit date on the project I linked (which actually was last modified about 5 years before that...)
 
TFW your interpreter shorts on non numerical command line arguments
 
@NewMainPosts At first I was super excited to do this in V and brain-flak, but then I wrote it in V and it's the worst answer I've ever written and I started doing it in brain-flak and I realized it's nearly impossible. Ugh
 
9:40 PM
 
10:24 PM
@Christopher silence does not need to always be filled
8
 
I'm surprised that my game show question has gone 24 hours and only has answers in Python and Haskell.
Where are the Jellyites?
 
Is this allοwed? (οmicrοn instead οf o) since if not pointed out, no one will notice?
 
0
Q: Repeated Consecutive Digital Product Sum Convergence

Magic Octopus UrnGiven a positive integer n (Example: n=1234444999) Separate into consecutive digit runs: [1, 2, 3, 4444, 999] Take the digital product of each run. [1, 2, 3, 4*4*4*4, 9*9*9] = [1, 2, 3, 256, 729] Sum it... 991 Repeat until this converges to a single number: 1234444999 991 82 10 1 Re...

 
Topic Change: have we had a grammar parsing challenge before?
I have one in sandbox I want to post but I'm 70% sure I've seen a related challenge
 
@Downgoat RESPONSE: Perl6 win ...
 
10:29 PM
3
Q: Shortest parser for a left-recursive grammar

thwdWrite the shortest parser for the grammar: M -> M + n | n Output must be some representation of a structured value representing the concrete syntax tree produced by the input n+n+n. The code to produce the textual output from the structured value is not necessary. The code to read/validate in...

 
lol my computer is unable to shut down without holding down the power button
 
And then see its related questions
 
@Zacharý It could probably sanely write a find+replace to a PCRE CFG.
 
I was speaking of grammar if the grammar's complex enough
 
@PeterTaylor wow OK thanks
 
10:32 PM
54 messages moved to Trash
 
I changed my Python version to 3 and then the print statement in the shutdown script raised a syntax error
 
CMC: Write a program to convert a CFG (BNF or whatever you like) to a PCRE regex that does same parsing
 
Wow, that question has been in the sandbox for a long time
 
@HyperNeutrino your computer uses a python script for turning off? O_o
 
apparently
 
10:33 PM
'HA'*20
 
And I've been waiting for an answer to the question in my last comment for almost a year :P
 
@Downgoat parsing BNF grammars with regex is only allowed in languages where the syntax is zalgo
 
I have to ask, would one person saying 'kick me' once result in the person becoming kicked? (I wouldn't do it ... too direct)
 
@Zacharý That question strikes me as noise. I don't see why you have to ask.
 
@CensoredUsername i.e. PCRE (has unicode support)
to show pcre can do all CFG: blog.vihan.org/wrong-about-regex
 
10:41 PM
I need some help. Can someone join both of those rooms?
Bug test
 
@Downgoat many linux distros use python for a lot of commands, it's a very bad idea to change the default python version from 2.x to 3.x on those distros
 
I don't see why they can't just add the parens or something, not that big of a deal to add.
 
0
A: Sandbox for Proposed Challenges

Magic Octopus UrnScale my ASCII-Art Given an input string s and a number n, scale the ASCII art s by a quantity of n. Examples Input: ## $$ 2 Output: #### #### $$$$ $$$$ Input: # # # # # # # # # # 2 Output: ## ## ## ## ## ## ## ## ...

 
10:57 PM
Hey, what's the Jelly atom to convert a string into a number?
 
@Zacharý
 
i'm too lazy to open the wiki
what is ŒṘ
and what is Œg
I should memorize these :P
 
String representation, group runs of equal elements.
 
11:02 PM
DYK: Fat is really efficient as far as batteries go? More so than all commercial batteries.
 
NIDK
 
@Downgoat I've actually been working on a language where most of the syntax is just combining diacretic marks. Will still take some time to develop fully, but eventually we'll be able to program in ry'leh
 
oh doesn't actually do what I thought it did
it has to be a list of digits rip
 
The Major downside to making batteries out of lard is it's rather difficult to turn it to Eletrical Energy quickly.
 
0
Q: We're Lacking Trivial Questions

Magic Octopus UrnSo, I've been personally noticing that the difficulty of our average challenge has seemed to progress higher and higher as I've been a member. No longer do we see alphabet challenges, nor as many OEIS challenges. I have a question for the community in regards to this progression; is this a good t...

 
11:07 PM
NVM, I got it.
I hate how Jelly displays lists ... so so so much.
0
A: Repeated Consecutive Digital Product Sum Convergence

ZacharýJelly, 9 bytes DŒgP€SµÐL Try it online

 
I haven't golfed in Jelly in forever.
 
Same
I haven't used it in a while
 
I have two Jelly solutions waiting in the wind for a challenge to arise.
 
are you a registered HyperTraining student?
 
11:16 PM
Nope. They probably wouldn't want me due to my "punny business" (please don't kick).
 
What goes on in there, just a bunch of CMC's to solve in Jelly?
 
not exactly that
 
we look at challenges with difficulty based on our experience level
 
11:17 PM
Sorta ninja'd
 
and then the teachers help us solve them (if we need help :P)
 
Okay, then I'm fine without it (at least for now).
 
for example in the beginning you mostly just learn the foundations like how atoms chain together and how quicks kinda work (you look more at that in lvls 1-2 I think)
obviously you use syntax stuff throughout but that's easier to understand
then lvl 3 is like more complex stuff, using more quicks
 
I just guess how Jelly works and then go from there.
 
and lvl 4 is mostly doing everything with a bit (or a lot if you're me :P) of guidance from EtO and LN
I don't know what lvl 5 is
nobody is lvl 5
 
11:19 PM
If nobody is lvl 5, how does one know it exists?
(maybe they become one with dennis ... lol)
 
Because it's in the JHTSC
@Zacharý no he's level ∞
 
No actually he's level 1
 
O_o
 
> Dennis has to be a student too, because, well, if he just knows Jelly the best he isn't afraid of proving it, is he?
 
11:22 PM
In that case it should be assumed he's lvl 5 if he's also a student.
 
Nope
Level 1, no discrimination ;)
 
he has never been in the JHT room before
 
> that doesn't mean he'll not quickly escalate to level 5 where he will be able to be promoted to a teacher at his own discretion :P
 
Can anything be golfed off of this solution? codegolf.stackexchange.com/questions/101550/…
It was one of my first answers in Jelly (heck, it might have even been the first) and the only challenge I've won.
 
For reasons I need a list of ~10,000 sentences and the emotion each one most strongly potrays.
 
11:38 PM
{⍵,'ಠ_ಠ'}¨(10K sentences)
 
For a natural language processor? :P
 
(AKA, every sentence with the look of disapproval)
 
@BusinessCat Yep.
 
A search through SE chats should be sufficient enough. (I don't have a clue how to make one)
 
Well, I can't say I have a list of 10,000 sentences and the emotion each one most strongly portrays.
 
11:41 PM
curses
 
5 messages moved to Trash
 
ncurses
 
^ ... is horrible to have D interface to ...
 
I need blockdrawing characters
 
⎕AV my friend, ⎕AV.
 
11:48 PM
?
 
⎕AV for some reason has box-drawing chars.
That's stupid.
 
I realized a bug in my session code for a-ta.co that kept sessions that weren't logged in active forever rather than for an hour like they were supposed to.
I expected +undefined to cast to 0, but apparently it just casts to NaN
 
@ATaco Th-th-that's JS folks!
 
11:51 PM
you've been hit by, you've been struck by, javascript's weird typing
 
[]+[]
 
just because it's falsey, doesn't mean it will cast to a falsey value
 
Truthy values can cast to falsy ones too
 
taco, are you okay? so, taco, are you okay
 
Just give up on understanding in JS typing ... you'll get lost fast.
 
11:53 PM
Ahhh, the wonders of JS
 
new request: somebody translate smooth criminal for javascript typing
 
>> +false
<< 0
>> +null
<< 0
>> +undefined
<< NaN
JS why
 
At least it isn't PHP
 
Or perl.
PHP ternaries though, WTF?
 
I love how in PHP they made . be the concatenation operator... but then "string".5 is a syntax error because it parses .5 as a number
 
11:57 PM
I'm hardcoding the box drawing characters...
 
Truly a wonderful design
 
into a string
 
PHP and JavaScript are alike in syntax
and the amount of f***ed up they are.
 
I think you mean in semantics
 
Lua has similar problems.
 
11:58 PM
there's nothing wrong with the syntax [] + []
or anything else
its the result thats messed up
 
Well ... PHP does have one f***ed up syntax bit ...
those damn ternaries.
 
print(13.." and a half") errors, even though it's unambiguous that you don't want a broken decimal point after your number.
 
What's wrong with the ternaries?
 

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