[Jprogramming] J901

[Henry Rich]

I can't find jregcomp in regex on Windows.  Does Android use a different 
regex?

Henry Rich

On 12/15/2019 10:35 PM, Arnab Chakraborty wrote:
> I had tried restarting without any avail. Anyway, I kept on trying, and
> suddenly it worked. So I tried
>
> load 'debug/lint'
>
>
> and got
>
>
> |domain error: jregcomp
> |   'rxlastrc rxlastxrp'=:2{.
> jregcomp(rxregxsz$2-2);(,y);2+RX_OPTIONS_UTF8*64
>
>
> On Mon, 16 Dec 2019, 05:24 David Mitchell, <davidmitchell at att.net> wrote:
>
>> I always get that if I do the following steps on Android:
>>
>> 1. Enter Package Manager
>> 2. Rotate the device 90 degrees.
>> 3. Rotate back again.
>> 4. Exit Package Manager.
>>
>> It has been happening for several releases.
>>
>> On 12/15/2019 18:48, bill lam wrote:
>>> perhaps bug in back button. try restart J, then install again.
>>>
>>> On Mon, Dec 16, 2019, 2:20 AM Henry Rich <henryhrich at gmail.com> wrote:
>>>
>>>> I find that line in
>>>>
>>>> addons/ide/jnet/winlib.ijs
>>>> addons/ide/qt/qt.ijs
>>>>
>>>> if that helps.  We'll need a jandroid expert - Bill?
>>>>
>>>> Henry Rich
>>>>
>>>>
>>>> On 12/15/2019 10:05 AM, Arnab Chakraborty wrote:
>>>>> Thanks to everybody for the encouraging words. I tried to install
>>>>> debug/lint in jandroid. But I get
>>>>>
>>>>> |ill-formed name: _1
>>>>> |   ({."1 wdq)    =:wd_val
>>>>>
>>>>>
>>>>>
>>>>> On Sun, 15 Dec 2019, 07:34 bill lam, <bbill.lam at gmail.com> wrote:
>>>>>
>>>>>> there should not be any significant visible changes in j901 jandroid.
>>>>>> However there won't be any more update to j807 jandroid therefore it
>> is
>>>>>> better migrating to j901 to get bug fixes of j engine.
>>>>>>
>>>>>> That said I'm not familiar with the calculus part, so that you better
>>>> check
>>>>>> and discuss with others first you decide.
>>>>>>
>>>>>> On Sun, Dec 15, 2019, 3:15 AM Arnab Chakraborty <damdemi at gmail.com>
>>>> wrote:
>>>>>>> Dear all,
>>>>>>>
>>>>>>> I am about to teach a course on numerical analysis to freshmen. I
>>>> planned
>>>>>>> on using Jandroid as a classroom calculator for demonstration
>> purposes
>>>>>> that
>>>>>>> the students can use along with me.
>>>>>>>
>>>>>>> My (not so deep) knowledge of J is based on version 8 only. As I
>>>>>> understand
>>>>>>> J901 is quite different from the previous version, especially in the
>>>>>>> calculus part, which I shall need a lot. In view of this I need
>>>>>> suggestions
>>>>>>> about the following:
>>>>>>>
>>>>>>> 1) Should I better ask the students to use Jandroid version 8?
>>>>>>> 2) What is a good reference of the math/calculus package?
>>>>>>> 3) Where shall I get a comprehensive list of all changes in J901?
>>>>>>>
>>>>>>> Thank you so much.
>>>>>>>
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