From: programming-boun...@forums.jsoftware.com
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programming-requ...@forums.jsoftware.com
Sent: Friday, 27 July 2012 1:35 AM
To: programming@forums.jsoftware.com
Subject: Programming Digest, Vol 82, Issue 53
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Today's Topics:
1. Re: Adding the first element at the end of a list (Linda Alvord)
2. Re: Adding the first element at the end of a list (Linda Alvord)
3. Re: quote bug in j602 (Devon McCormick)
4. J conference 2012 (Eric Iverson)
5. Re: J conference 2012 (Devon McCormick)
6. Re: J conference 2012 (Devon McCormick)
7. Re: fully parenthesized representation of a tacit verb
(Raul Miller)
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Message: 1
Date: Thu, 26 Jul 2012 08:43:36 -0400
From: "Linda Alvord" <lindaalv...@verizon.net>
To: <programm...@jsoftware.com>
Subject: Re: [Jprogramming] Adding the first element at the end of a
list
Message-ID: <000001cd6b2c$46d1f3b0$d475db10$@net>
Content-Type: text/plain; charset=koi8-r
Thanks. That's nice!
Linda
-----Original Message-----
From: programming-boun...@forums.jsoftware.com
[mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Henry Rich
Sent: Thursday, July 26, 2012 4:15 AM
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] Adding the first element at the end of a list
p =. (, {.) p
which is no better than your method. But the straightforward
p =. p , {. p
would benefit from append-in-place.
Henry RIch
On 7/26/2012 3:46 AM, Linda Alvord wrote:
> Is there a simpler way to close a list by returning to the first
> element. My two ways are:
>
>
>
> ]P=:'ABCDEFGH'
>
> ABCDEFGH
>
> ]Q=:(>:$P)$P
>
> ABCDEFGHA
>
> (>:#P)$P
>
> ABCDEFGHA
>
> ]Q=:(>:$P)$P
>
> ABCDEFGHA
>
>
>
> ]POLY=:2{\"1 Q
>
> ---T--T--T--T--T--T--T--?
> ?AB?BC?CD?DE?EF?FG?GH?HA?
> L--+--+--+--+--+--+--+---
>
>
>
>
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
------------------------------
Message: 2
Date: Thu, 26 Jul 2012 08:44:36 -0400
From: "Linda Alvord" <lindaalv...@verizon.net>
To: <programm...@jsoftware.com>
Subject: Re: [Jprogramming] Adding the first element at the end of a
list
Message-ID: <000101cd6b2c$6ab3e540$401bafc0$@net>
Content-Type: text/plain; charset=koi8-r
Same good answer as Henry's!
Linda
-----Original Message-----
From: programming-boun...@forums.jsoftware.com
[mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Tom Arneson
Sent: Thursday, July 26, 2012 7:09 AM
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] Adding the first element at the end of a list
[Q=:P,{.P
ABCDEFGHA
-----Original Message-----
From: programming-boun...@forums.jsoftware.com
[mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Linda Alvord
Sent: Thursday, July 26, 2012 02:46
To: programm...@jsoftware.com
Subject: [Jprogramming] Adding the first element at the end of a list
Is there a simpler way to close a list by returning to the first element. My
two ways are:
]P=:'ABCDEFGH'
ABCDEFGH
]Q=:(>:$P)$P
ABCDEFGHA
(>:#P)$P
ABCDEFGHA
]Q=:(>:$P)$P
ABCDEFGHA
]POLY=:2{\"1 Q
---T--T--T--T--T--T--T--?
?AB?BC?CD?DE?EF?FG?GH?HA?
L--+--+--+--+--+--+--+---
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
------------------------------
Message: 3
Date: Thu, 26 Jul 2012 09:19:08 -0400
From: Devon McCormick <devon...@gmail.com>
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] quote bug in j602
Message-ID:
<cagdempfbwo5k1e6r9y5tj4stxltoxyttj7surokbhyyhhjy...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
I think his problem is that nothing displays while he's typing until
he gets to the second quote.
As Raul said, it's hard to give a good suggestion without knowing more
about the specifics of the installation: OS, etc.
On Thu, Jul 26, 2012 at 2:46 AM, Linda Alvord <lindaalv...@verizon.net> wrote:
> Here's what I think is happening:
>
> '
> |open quote
> | '
> | ^
> '
> |open quote
> | '
> | ^
> '
> |open quote
> | '
> | ^
> ''
> Finally you give it you what you want between the quotes, which is actually
> nothing.
>
> 'cat
> |open quote
> | 'cat
> | ^
> ''
>
> This time you give up and give it nothing. So it is happy with nothing.
>
>
> Now put something between the quotes and it is very happy.
>
> 'a happy cat'
> a happy cat
>
> Linda
>
>
> -----Original Message-----
> From: programming-boun...@forums.jsoftware.com
> [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Raul Miller
> Sent: Wednesday, July 25, 2012 1:02 PM
> To: programm...@jsoftware.com
> Subject: Re: [Jprogramming] quote bug in j602
>
> I think this belongs on the gene...@jsoftware.com, since it's not about
> programming and is about details of getting things working.
>
> That said, I do not experience this when I use j602. And, I do not have
> enough detail about your system and what you have done to suggest much of
> anything useful.
>
> Does this problem happen on multiple machines, for you?
>
> If not, is there any chance that you have an unusual installation of java
> that's mishandling things? (J602 uses java for its display in typical
> sessions.)
>
> --
> Raul
>
> On Wed, Jul 25, 2012 at 12:52 PM, adam dunne <adam...@gmail.com> wrote:
>> I've tried re-installing j602. The problem is still there:
>> entering '<stuff>' nothing displayed on screen from first quote until
>> second quote, after which '<stuff>' displayed Tried changing keyboards
>> too. No change.
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
------------------------------
Message: 4
Date: Thu, 26 Jul 2012 09:23:13 -0400
From: Eric Iverson <eric.b.iver...@gmail.com>
To: Programming forum <programm...@jsoftware.com>
Subject: [Jprogramming] J conference 2012
Message-ID:
<CAPRoPviXmsvxj42XXZhR=P7cYEbpDeM9JgYLz9g15-SF=ef...@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
The J conference was a success.
There were 45 at the conference and 70 at the banquet. Feedback was
positive, particularly on the talks and the banquet food/drink/view/buzz.
We will probably preserve the conference wiki page for historical interest.
Comments from attendees could go on a wiki page, but assuming there is
relatively little, it might be best to do this just in the chat forum.
We are not committed to a conference in 2 years, but the last few days have
put us in a receptive frame of mind.
------------------------------
Message: 5
Date: Thu, 26 Jul 2012 11:08:16 -0400
From: Devon McCormick <devon...@gmail.com>
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] J conference 2012
Message-ID:
<cagdempfsgyljielr+gp4-bzjd51sk_u0i95l3hma-hwermo...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
I've started a page for speakers to add their talks -
http://www.jsoftware.com/jwiki/Community/Conference2012/Talks - and
have put up my own presentation along with some code. I plan to put
the slides "in-line", interspersed with commentary (somewhat like this
- http://www.jsoftware.com/jwiki/DevonMcCormick/FunctionalJ - but with
more extensive comments) when I get the chance; I urge others to
consider doing the same.
On Thu, Jul 26, 2012 at 9:23 AM, Eric Iverson <eric.b.iver...@gmail.com> wrote:
> The J conference was a success.
>
> There were 45 at the conference and 70 at the banquet. Feedback was
> positive, particularly on the talks and the banquet food/drink/view/buzz.
>
> We will probably preserve the conference wiki page for historical interest.
> Comments from attendees could go on a wiki page, but assuming there is
> relatively little, it might be best to do this just in the chat forum.
>
> We are not committed to a conference in 2 years, but the last few days have
> put us in a receptive frame of mind.
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
------------------------------
Message: 6
Date: Thu, 26 Jul 2012 11:10:06 -0400
From: Devon McCormick <devon...@gmail.com>
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] J conference 2012
Message-ID:
<cagdempecugt-pb4dtvgyacthxrmdonvga8bjbgarvpsf6vw...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
And we should probably consider adding a "Presentation" category to
better categorize things like this (which is why I put it on a
"CategoryCategory" page).
On Thu, Jul 26, 2012 at 11:08 AM, Devon McCormick <devon...@gmail.com> wrote:
> I've started a page for speakers to add their talks -
> http://www.jsoftware.com/jwiki/Community/Conference2012/Talks - and
> have put up my own presentation along with some code. I plan to put
> the slides "in-line", interspersed with commentary (somewhat like this
> - http://www.jsoftware.com/jwiki/DevonMcCormick/FunctionalJ - but with
> more extensive comments) when I get the chance; I urge others to
> consider doing the same.
>
> On Thu, Jul 26, 2012 at 9:23 AM, Eric Iverson <eric.b.iver...@gmail.com>
> wrote:
>> The J conference was a success.
>>
>> There were 45 at the conference and 70 at the banquet. Feedback was
>> positive, particularly on the talks and the banquet food/drink/view/buzz.
>>
>> We will probably preserve the conference wiki page for historical interest.
>> Comments from attendees could go on a wiki page, but assuming there is
>> relatively little, it might be best to do this just in the chat forum.
>>
>> We are not committed to a conference in 2 years, but the last few days have
>> put us in a receptive frame of mind.
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>
>
>
> --
> Devon McCormick, CFA
> ^me^ at acm.
> org is my
> preferred e-mail
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
------------------------------
Message: 7
Date: Thu, 26 Jul 2012 11:34:31 -0400
From: Raul Miller <rauldmil...@gmail.com>
To: programm...@jsoftware.com
Subject: Re: [Jprogramming] fully parenthesized representation of a
tacit verb
Message-ID:
<CAD2jOU8noiTTEv7JtLR9Qhu0KHS5LXW=bBFD0EUkJYY=gcr...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
On Wed, Jul 25, 2012 at 11:47 PM, Ian Clark <earthspo...@gmail.com> wrote:
>> m=: v^:x y NB. dyadic(&) --> (^:)
>> n=: u"v m NB. Brian's suggestion for (@)
>
> Bearing in mind what Raul said earlier, I don't think this is general
> enough. Maybe (@) is unavoidable in dealing with how u and v operate
> together.
It's not unavoidable.
Here's an implementation of atop that does not use @
atopA=: 2 :'([: u v)"v'
Here's another approach:
atopB=: 2 :'[: u@> <@v'
That said, note that if side effects are involved, atopB reschedules
those side effects, and this can be an issue (if the schedule was
important).
FYI,
--
Raul
------------------------------
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