The save function is pretty cool. Applications include "transaction rollback"
on an entire locale/object.
From: Xiao-Yong Jin
To: "programm...@jsoftware.com"
Sent: Tuesday, April 25, 2017 10:43 PM
Subject: Re: [Jprogramming] how do you pass a verb with a
What do you mean by "extra copies" and how have you been measuring that?
(Most of the time, a "copy" just means incrementing a reference count.
There have been some exceptions, though, for boxed data, for example.)
Thanks,
--
Raul
On Tue, Apr 25, 2017 at 9:19 PM, Xiao-Yong Jin wrote:
>
>> On
You misread my message, locale in J is also global. Passing the
name of a locale and the content of locale are quite different.
you may serialize the content of locale into a noun but I think
this is not needed in most cases.
Вт, 25 апр 2017, Xiao-Yong Jin написал(а):
> What kind of mess it would
What kind of mess it would be if you remove locale support.
I would argue that encapsulating using locale is central to J's growth.
Do you think you can remove locale in any of those important packages
distributed by JAL? And they are solving a huge number of problems
for me.
On the flip side, I
J program usually uses globals to share data. Encapsulation is a paradigm
commonly used by other programming languages, but as said in other posts, J
tends to focus on solving problems. Each programming language has its own
style, J needs not imitate paradigm of other programming languages.
On 26
The localed structure is very natural for keeping a resource open and bound to
functions within it. (file or database/table)
A locale can be instanced along with a different resource of the structure it
expects.
There are of course ways to do that on a "global heap" with arrays of
resources,
> On Apr 25, 2017, at 6:30 PM, Eric Iverson wrote:
>
> I have not followed this discussion at all and am probably way off base.
>
> But how is:
>
> allocate a few structures, and pass their pointers to the same function in
> separate callings
>
> different from:
>
> allocated a few globals i
I welcome the chance to improve users' important programs. The
i.-family speedups were important for some programs we know about, but
not all. If anyone has an application where more speed would be
important to them, I encourage them to (1) use the Performance Monitor
to find the slow parts o
I have not followed this discussion at all and am probably way off base.
But how is:
allocate a few structures, and pass their pointers to the same function in
separate callings
different from:
allocated a few globals in an agreed upon locale (call it the heap), and
pass their names (pointers)
Sorry, I misunderstood you.
The problem is that I have global named states (large arrays) that needs to
hide from other names in different locales. For recursive or iterative
applications
I want to be able to keep the current state and continue at a later time.
Such kind of thing seems simple t
That was not my solution, that was me quoting and reformatting someone
else's work.
I have not attempted a solution, because I do not yet understand the problem.
Thanks,
--
Raul
On Tue, Apr 25, 2017 at 3:13 AM, Xiao-Yong Jin wrote:
> Thanks for writing a long reply. I think it is better for
Thanks for writing a long reply. I think it is better for us if I can
convince you that your solution does not work before discussing the
question about why.
I've tried to rename my code so it should appear better to your standard.
in_z_=:2 :'(u` ,&(,&''_''@:,@:>) n)~' NB.accepts global nam
> On Apr 24, 2017, at 9:15 AM, Jose Mario Quintana
> wrote:
>
> "
> NB.the parsing rule is a little odd.
> NB.Using a one liner without defining l gives syntax error.
> "
>
> This one seems to work:
>
> in_z_=:2 : '(u` (,&(,&''_''@:,@:>)) n)~'
Thanks. I must have made some mistakes
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