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1:05 AM
And uhm... look at the image beside my name, may seem familiar.
 
 
1 hour later…
2:06 AM
@Adalynn lol it doesn't
I probably joined after your absence
 
" 2015-09-13"
No
And I... think I remember you? Vaguely?
 
nah I only got active on this site waaay after 2015
 
Oh yeah, my apologies
 
my oldest answer here is from late 2020
 
Than yeah, definitely after I joined
 
 
2 hours later…
4:31 AM
@Adalynn Zacharý?
 
Deadname, but yes. That account was me.
Glad to be back
 
Wow, welcome back. Blast from the past.
@Adalynn So much has happended. Are you up to speed?
 
On what? PPCG/CGCC related stuff?
Yeah, caught up
Anything APL specifi?
 
I was thinking this little APL community. apl.chat is here, but also apl.wiki and aplcart.info
 
And then Dyalog v18 thing
 
4:37 AM
"The disaster"
 
I've heard about Dyalog v18
"The disaster"?!
 
Oh, and the APL cultivations continued: apl.wiki/APL_Cultivation#Second_season
 
Wow
 
Not that kind of disaster, but more like an exodus maybe
 
Okay, but
What is "The disaster"
 
4:39 AM
@Bubbler I was thinking about how 18.0 was released with a lot of serious bugs. How was "the exodus" connected to 18.0?
 
Oh, I was thinking of a different disaster
Initial 18.0 was a disaster, yes
 
And what's "The exodus"?!
 
Some of the regulars here used to have extensive design discussions that included trolling and fast-paced thought dumps. I over-reacted by prohibiting language design discussions, leading to many abandoning the room in favour of Discord/IRC/Matrix.
 
Ah. TROLLING?
 
Yeah, but no need to point at any individuals.
 
4:43 AM
It was just a joke, but a bad one (in that it didn't help discussing the topic at hand)
 
Anyhow, the result was that the room became much quieter; it basically went from 6000 weekly msgs to 600. On the other hand, I think it is a more pleasant place now.
 
4:55 AM
it's pretty nice to have a (sorta) active Array language chat on discord/Matrix
 
I'm too lazy to fire up a Matrix client, so I gave it up and decided to simply stick here
 
In the beginning I used to at least glance at all the rooms, but after a while of no content that had my interest, I didn't install Discord on my new (yay!) laptop.
 
discord web works pretty fine for most things
honestly i don't gt the point of downloading the app
 
6:08 AM
@Razetime Hm, right. And using it in-browser allows me to tweak CSS (and even use userscripts, I guess).
 
6:27 AM
discord is notorious for being annoying with css modifications
or any mods really
 
 
3 hours later…
9:24 AM
I found this: hakibenita.com/sql-for-data-analysis -- and clearly some people are way better at SQL than I am. But it struck me that a lot of the examples would be a perfect match for APL, too.
 
Dyalog has ddb, J has J database, and K and Shakti... self explanatory.
 
 
1 hour later…
10:49 AM
@Bubbler There's also github.com/Dyalog/vecdb - I'm gonna have to prod and look at the differences, good timing for these messages though as I'm planning to look into databases and maybe do a webinar this year
 
11:29 AM
@RikedyP I'd find that very useful.
 
@Adám Forms an annoying cycle, no interesting content -> no replies -> inactivity -> no interesting content ...
 
True. The bane of many a social media.
 
@RikedyP I know it's probably not on Dyalog's interest horizon, but I find KDB's slick integration between SQL(ish) and inverted tables a real kick-ass feature.
 
maybe there'll be some more stuff in the future as people from other platforms join, I've certainly invited a few people from various programming servers who have mentioned an interest in array languages
 
@rak1507 Feel free to ping me if you want me to stop by and answer something.
 
11:34 AM
like you say there's not much activity at the moment but maybe/hopefully in the future there could be more
 
Bootstrapping is hard.
 
formatting is hard
 
@rak1507 lol
@rak1507 I also kept doing ctrl+enter instead of shift
OK last go I'll do 2 messages
rain←?7 5 12⍴250   ⍝ Monthly rainfall in each of 7 years in each of 5 countries
CMC Which country ↑ had the highest rainfall in April of year 3?
 
is it worth using a non random array so there's a 'right' answer?
 
@rak1507 Looking for a general solution as a function so not really
 
11:44 AM
so that's 7 years, 5 countries, 12 months?
 
@rak1507 Yep
 
⊃⍒4⌷⍉3⌷rain ?
 
@rak1507 Neat - btw I'm mainly just looking for different approaches to this
 
⊃⍒4 3⌷2 3 1⍉rain using dyadic transpose
 
Yeah I'm wondering how much of this is usually easier after a dyadic transpose
For example, the average annual rainfall over the 7 years for each of the 5 countries
Would a beginner be more inclined to do multiple reductions?
 
12:00 PM
I would do (+⌿÷≢)+/rain
 
 
11 hours later…
10:31 PM
@RikedyP ⊃⍒rain[2;;3]
 

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