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Leopold
, …
Raul Miller
11
11:39 AM
builtin documentation and inverses
> What do you mean 'basically the full definition' of a verb? Would that > be a J model
unread,
builtin documentation and inverses
> What do you mean 'basically the full definition' of a verb? Would that > be a J model
11:39 AM
Raul Miller
, …
Arnab Chakraborty
8
10:25 AM
base 1p1
Thanks Thanks and regards, Arnab On Fri, 13 Feb, 2026, 12:34 pm Paul Jackson, <plj...@gmail.com
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base 1p1
Thanks Thanks and regards, Arnab On Fri, 13 Feb, 2026, 12:34 pm Paul Jackson, <plj...@gmail.com
10:25 AM
David C. Salthouse
,
Thomas McGuire
3
Feb 12
Learning J
Hello Tom, You need a google cloud account from from Google AI studio This gives you an API key which
unread,
Learning J
Hello Tom, You need a google cloud account from from Google AI studio This gives you an API key which
Feb 12
Ak
, …
Raul Miller
5
Feb 10
(c.) domain errors -> (i.) and (e.)
I see. Thank you. -------- Original message -------- From: Raul Miller <rauld...@gmail.com>
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(c.) domain errors -> (i.) and (e.)
I see. Thank you. -------- Original message -------- From: Raul Miller <rauld...@gmail.com>
Feb 10
Marcin Żołek
, …
Kenneth Lettow
6
Feb 8
More articles on J Wiki
As Joachim pointed out, Vector's website uses HTTPS, but its certificate has expired, so your
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More articles on J Wiki
As Joachim pointed out, Vector's website uses HTTPS, but its certificate has expired, so your
Feb 8
Will Springs
,
chris burke
3
Feb 4
Proposal - Tuning-up jQt IDE UI
Thanks Chris, I'd love to work on the source code to improve the UI but I'm not familiar with
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Proposal - Tuning-up jQt IDE UI
Thanks Chris, I'd love to work on the source code to improve the UI but I'm not familiar with
Feb 4
Alain Delmotte
,
Raul Miller
2
Feb 3
Virus (?) message in 9.6
First, reinstall with a freshly downloaded instance of J and see if that makes the report go away. If
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Virus (?) message in 9.6
First, reinstall with a freshly downloaded instance of J and see if that makes the report go away. If
Feb 3
Will Springs
,
sbl...@accessus.net
2
Feb 3
Introduction
I'm only a J 'dabbler', but a long-time enthusiastic 'lurker'... welcome to a
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Introduction
I'm only a J 'dabbler', but a long-time enthusiastic 'lurker'... welcome to a
Feb 3
David C. Salthouse
, …
Henry Rich
3
Feb 2
j9.6 crashed on me
Fixed for next beta. The error afflicted f @ (-.&boxes) (and equivalent forms using fork), for
unread,
j9.6 crashed on me
Fixed for next beta. The error afflicted f @ (-.&boxes) (and equivalent forms using fork), for
Feb 2
Jörg Sommrey
, …
Henry Rich
4
Feb 1
dissect error on semi-dual
Dissect was written approximately when the J release was 8.2. The language has changed a bit since
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dissect error on semi-dual
Dissect was written approximately when the J release was 8.2. The language has changed a bit since
Feb 1
David C. Salthouse
, …
trx2358...@yahoo.com
4
Jan 31
Nuvoc simplified
I'd bet systematically checking that Gemini output is an excellent roadmap for exploring J.
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Nuvoc simplified
I'd bet systematically checking that Gemini output is an excellent roadmap for exploring J.
Jan 31
Ahmet Görgün
, …
Devon McCormick
6
Jan 30
Mac Installation problem
I've installed J on a new Mac with an M4 chip and am seeing some significant performance
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Mac Installation problem
I've installed J on a new Mac with an M4 chip and am seeing some significant performance
Jan 30
Eric Iverson
Jan 21
j9.7.0-beta10 available
If you have already installed 9.7, the upgrade is easy: load 'pacman' 'upgrade' jpkg
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j9.7.0-beta10 available
If you have already installed 9.7, the upgrade is easy: load 'pacman' 'upgrade' jpkg
Jan 21
Jonathan Hough
,
Henry Rich
2
Jan 19
Possible bug in J9.6
The dyadic form of m&v and u&n was removed a while back, because it was often misused and
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Possible bug in J9.6
The dyadic form of m&v and u&n was removed a while back, because it was often misused and
Jan 19
Joshua Y
, …
Henry Rich
5
Jan 16
Limit error on trig Circle functions
Thanks for the info Cliff (and Henry). I figured it would be an accuracy thing, as the only result I
unread,
Limit error on trig Circle functions
Thanks for the info Cliff (and Henry). I figured it would be an accuracy thing, as the only result I
Jan 16
Henry Rich
,
Devon McCormick
3
Jan 14
Re: [Jforum] Problem with dictionary
Your factors are boxed, so your valuetype must be also. In the first version tree maps don't do
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Re: [Jforum] Problem with dictionary
Your factors are boxed, so your valuetype must be also. In the first version tree maps don't do
Jan 14
Joshua Y
, …
Henry Rich
3
Jan 14
Odd result with verb display Foreign (9!:2)
Fixed for next beta, thanks. I continually have to wring space out of the main control block, and I
unread,
Odd result with verb display Foreign (9!:2)
Fixed for next beta, thanks. I continually have to wring space out of the main control block, and I
Jan 14
Devon McCormick
,
Marcin Żołek
3
Jan 14
Problem with dictionary addon
Great to see dictionaries featured in NYCJUG! Regarding the first issue, the verbs put, get, has, and
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Problem with dictionary addon
Great to see dictionaries featured in NYCJUG! Regarding the first issue, the verbs put, get, has, and
Jan 14
Pawel Jakubas
, …
Clifford Reiter
4
Jan 13
modular arithmetics for big numbers
thanks! indeed, floating type number sneaked in in one place. cheers, Pawel poniedziałek, 12 stycznia
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modular arithmetics for big numbers
thanks! indeed, floating type number sneaked in in one place. cheers, Pawel poniedziałek, 12 stycznia
Jan 13
Eric Iverson
, …
Pascal Jasmin
8
Jan 10
j9.7.0-beta8 available
correction to previous O definition O =. 2 : 'm , ''_'' , (>n) , ''_
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j9.7.0-beta8 available
correction to previous O definition O =. 2 : 'm , ''_'' , (>n) , ''_
Jan 10
Tom Arneson
,
bill lam
2
12/16/25
J android startup file
in the config folder jpath '~config' On Tue, Dec 16, 2025 at 5:43 AM Tom Arneson <tom@
unread,
J android startup file
in the config folder jpath '~config' On Tue, Dec 16, 2025 at 5:43 AM Tom Arneson <tom@
12/16/25
John Dixon
, …
Henry Rich
8
12/15/25
integer overflow in J
In 32-bit J, integers are signed 32-bit. In 64-bit J, they are signed 64-bit. Henry Rich On 12/12/
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integer overflow in J
In 32-bit J, integers are signed 32-bit. In 64-bit J, they are signed 64-bit. Henry Rich On 12/12/
12/15/25
Tom Arneson
12/15/25
adding startup to J android
what folder should startup.ijs be placed it so ir runs on start up?
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adding startup to J android
what folder should startup.ijs be placed it so ir runs on start up?
12/15/25
Ak
,
Marcin Żołek
2
12/13/25
Syntax documentation: any_name ( vs. any_name(
Thanks for the report. Highlighting any_name( doesn't describe any relevant J syntax, so it is
unread,
Syntax documentation: any_name ( vs. any_name(
Thanks for the report. Highlighting any_name( doesn't describe any relevant J syntax, so it is
12/13/25
Skip Cave
12/9/25
J Dynamic Functional Programming meetup
What happened to the J Dynamic Functional Programming meetup today (Tues Dec 9 - 2nd Tuesday)? I
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J Dynamic Functional Programming meetup
What happened to the J Dynamic Functional Programming meetup today (Tues Dec 9 - 2nd Tuesday)? I
12/9/25
Raul Miller
,
chris burke
3
12/8/25
Windows "Security"
The "keep the download" issue is independent of mcafee. The mcafee issue kicks in whenever
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Windows "Security"
The "keep the download" issue is independent of mcafee. The mcafee issue kicks in whenever
12/8/25
David Lambert
,
Henry Rich
2
12/4/25
Is system error truly the intent?
Fixed for next beta. Henry Rich On 12/2/2025 10:35 PM, David Lambert wrote: > I mistakenly used `:
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Is system error truly the intent?
Fixed for next beta. Henry Rich On 12/2/2025 10:35 PM, David Lambert wrote: > I mistakenly used `:
12/4/25
Thomas McGuire
, …
Pascal Jasmin
16
11/26/25
testing LLM code generation
The terseness of J, and terseness of its parsing rules and mathematical notation, makes it an ideal
unread,
testing LLM code generation
The terseness of J, and terseness of its parsing rules and mathematical notation, makes it an ideal
11/26/25
Eric John Sargeant
11/25/25
j9.7 jpkg install
This "https://curl.se/docs/sslserts.html" as seen with 'install'jpkg'*' is
unread,
j9.7 jpkg install
This "https://curl.se/docs/sslserts.html" as seen with 'install'jpkg'*' is
11/25/25
John Dixon
, …
Skip Cave
3
11/13/25
Did anyone know David Keith?
Obituary of David Keith: https://www.theglobeandmail.com/canada/article-david-keith-obituary-tech-
unread,
Did anyone know David Keith?
Obituary of David Keith: https://www.theglobeandmail.com/canada/article-david-keith-obituary-tech-
11/13/25