Bob,

I had forgotten completely about that conversation. Thanks, so much, for it
and for reminding me of it. The "remaining challenge" would be quite
dysfunctional. I wonder if the new iOS 8 "connectivity" feature of iOS
might be a step in the direction of removing the "challenge", but even that
probably requires some developer recoding.

I certainly would not be apologizing for my coding if I were you. Your code
looks very effective. I would love to be able to piggyback on your
examples, but it seem premature to try, given the "challenge" (an MY lack
of coding skill).

I was disappointed that the following code I posted initially in this
thread throws an error when GRB is the x argument of either viewmat or of
jv ; no failure occurs if the x argument is not provided. I have tried to
do some debugging and found that the left argument, which has shape  8 3,
is mangled somewhere in getvm_jviewmat_ or in getvm1_jviewmat_ to be of
shape 8 1.  I have not figured out where and am currently stumped because
the debug is not working. I have been unable to restart J because `exit ''`
only produces a message about how to really exit and that message seems
outdated, because I can no longer press and hold on the J avatar and induce
a little '-' sign like I could in earlier iOS versions. At present I am
waiting to restart the iPad after powering it down, in the hopes that J
will restart, also.

Btw, are you able to reproduce an error from the following code snippet?

GRB=:1 0 2{"1 (#:i.8){0 255

]A=:>:i.8
GRB viewmat A

Thanks, again,


On Mon, Nov 24, 2014 at 2:05 PM, robert therriault <[email protected]>
wrote:

> Hi Brian,
>
> I had played around with it a little about two years ago when it first
> came out and had posted this message on the programming forum including
> code to provide clickable buttons in the html window to access labs. The
> challenge to making this functional was and I think remains that there is
> not a way for the html to send information back to the the J engine. In any
> case, hope this link to the post helps.
>
>   http://www.jsoftware.com/pipermail/programming/2012-December/030604.html
>
> Cheers, bob
>
> ps. apologies to anyone who is actually a javascript programmer/webpage
> designer as my style is definitely hack as you go. bt
>
>
-- 
(B=)
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