MATL CHATL

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Luis Mendo

00:02

@Suever It does happen sometimes, yes. Not sure when it happens it's always the first time

Suever

I'll do a little digging on that to see what's happening. It seems to happen randomly for me as well and I don't ever see any errors in the server logs

so probably on the browser side of things

i.e. the not so fun side

Luis Mendo

@Suever :-)

Suever

Ok just pushed a fix for the " issue

give that a try and see how that works out for you

20 hours later…

beaker

20:11

Is wx the golfiest way to delete the first output of 2? It's definitely shorter than FT#...

Suever

20:21

@beaker Well depending on the number of outputs you can use the "mod" output spec

so if you have 3 outputs, 5# will give you only the second output

i.e. 5 % 3

beaker

in this case there are only 2 outputs... i only need the 2nd

Suever

but that's not really shorter than wx

yea so that would be 4#

beaker

hm... but does it look better... ;)

Suever

hahaha no clue

What function is it?

beaker

hehe... thanks! just wanted to make sure I wasn't missing anything

Y!

run-length encoding

I only want to keep the counts, not the array values

Suever

20:25

Oh in that case, just use &Y!

the "secondary default" is the second output only

1; 2 (2 / 2nd)

beaker

Oh! I completely missed that!

Sweet! :D

that's one byte off!

Suever

Yea those & will sneak up on you

I always assume that the thing I want is going to be a secondary default

Since we chose them based upon how functions were actually used

beaker

oops, I meant Y', but you caught that ;)

Suever

haha yup caught it and didn't even realize I caught it

beaker

holy cow... GS2 answer is 2 bytes

1 hour later…

Luis Mendo

22:04

@Suever Works perfectly \o/

@beaker What's that challenge?

beaker

22:24

Q: Groups of repeating items

Challenge description Given a list / array of items, display all groups of consecutive repeating items. Input / output description Your input is a list / array of items (you can assume all of them are of the same type). You don't need to support every type your language has, but is has to supp...

@LuisMendo that one

Luis Mendo

Great answer!

The code looks funny with the open curly brace :-)

beaker

it is a bit backwards... that and all the yYY

Luis Mendo

Y?

beaker

sorry, was I talking about the wrong thing? :")

Luis Mendo

@beaker ?? Your comment just reminded me about MATL's why function :-D

beaker

22:39

ah :D

Luis Mendo

Pity that that 1 is needed in mat2cell

beaker

yeah, I tried to get around it, but no go

beaker

22:57

I'm still amazed at the number of general programming posts we get on PP&CG

Luis Mendo

23:13

Yes, the name programming puzzles" seems to suggest general programming questions for some new users

Doorknob was quick :-)

beaker

well, he's right there on the front door, he sees them as they come in

;)

Luis Mendo

Hahaha

Starred! :-D

I just pushed this:

* `X[` now has a default number of outputs equal to the number of elements of first input
* Corrected bug in `X[`, which gave an error when used with one output

beaker

that's ind2sub?

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