Search found 21 matches

by Victor Yukhtenko
19 May 2019 8:16
Forum: Visual Prolog Tips & Samples
Topic: Tutorial Project Evolutions (Releases 1-14)
Replies: 2
Views: 11397

Re: Tutorial Project Evolutions (Releases 1-14)

Hi ByronGaf,

Versions updated for Vip9x you may find here:https://pdcvipsolutions.github.io.

Regards,
Victor.
by Victor Yukhtenko
28 Mar 2019 20:39
Forum: Visual Prolog Tips & Samples
Topic: PdcVipSolutions from PDCSPB
Replies: 0
Views: 484

PdcVipSolutions from PDCSPB

The full OpenSource version of the SpbVipSolutions tools, samples and applications is published on GitHub. The start page with brief information is placed on the page http://pdcvipsolutions.github.io There is also a link to the corresponding repository in GitHub. All descriptions, and Help included....
by Victor Yukhtenko
1 Jul 2018 21:07
Forum: Visual Prolog
Topic: Algorithm of string:: hash?
Replies: 7
Views: 5719

Re: Algorithm of string:: hash?

:-) good ending!
by Victor Yukhtenko
1 Jul 2018 19:01
Forum: Visual Prolog
Topic: Algorithm of string:: hash?
Replies: 7
Views: 5719

Re: Algorithm of string:: hash?

Hi Vitaly, Please look at string::hash(...) implementation. There is implement string open core, string_native ... clauses hash(String) = hash_native::hashValueString(String). and in hash_native you can see class hash_native open core predicates hashValueString : (string String) -> unsigned HashValu...
by Victor Yukhtenko
21 May 2011 9:16
Forum: Visual Prolog Tips & Samples
Topic: Tutorial Project Evolutions (Releases 1-14)
Replies: 2
Views: 11397

Tutorial Project Evolutions (Releases 1-14)

The full series of tutorial projects is documented here Tutorial Project Evolutions The new features are: 1. Updated for the use with the VIP7.3 2. All releases represented now in one archive. 3. All releases represented now as full projects. 4. The Release 14 added. It demonstrates the use of pzlTe...
by Victor Yukhtenko
21 Oct 2010 16:06
Forum: Visual Prolog
Topic: Loading image from EXE but unable to do it from 'drive C:'
Replies: 33
Views: 7372

Re:

Carlos Pereira wrote:Yes sir, I too find it unusual.
It has never worked, I've tried it many times.

I'd like to know why.
At the moment I've got so many things to do that I don't have the time to investigate.
But I will.

Thanks,
Carlos
double backslash must be used ("\\").
by Victor Yukhtenko
17 Mar 2010 23:40
Forum: Visual Prolog
Topic: problem with unary minus
Replies: 14
Views: 2923

Re:

As to me
R=A+...+B-2^2 shoud mean R=A+...+B-(2^2) but not R=(A+...+B-2)^2
And then
R=-2^2 should mean R=-(2^2)
by Victor Yukhtenko
24 Nov 2009 21:17
Forum: Visual Prolog
Topic: Project conversion GUI->console
Replies: 5
Views: 2030

Re:

Hi Thomas The only link between shared package and rest is by using dll communication. Is there any other option? Thanks If it can help you, you may look at http://wiki.visual-prolog.com/index.php?title=Tutorial_Project._Release_11 , where the logic part is common and the UI part depends on the nee...
by Victor Yukhtenko
24 Jul 2009 9:54
Forum: Visual Prolog
Topic: retrieving facts from a database
Replies: 5
Views: 2069

Re: retrieving facts from a database

Hi, I have some facts stored in an internal facts database. Now I want to use these facts in a foreach-statement in another module (in another package). Of course I can retrieve the facts in a list with some get-predicate, but I should like to do it directly, that is code like this: foreach <fact-f...
by Victor Yukhtenko
10 Jun 2009 7:36
Forum: Visual Prolog
Topic: Can we overwrite a fact?
Replies: 3
Views: 2179

Re: Can we overwrite a fact?

I'm a newbie and am trying to create a database system, which holds a bunch of flags. Then, I have a simple question. Can we change a specific fact? (Creating a new one and deleting an old one would also be fine to me.) Do I have to create a list or queue to do this? How would you do this? Please g...
by Victor Yukhtenko
10 May 2009 13:46
Forum: Visual Prolog
Topic: How I may to inherit one predicat from another class?
Replies: 4
Views: 2022

Re:

Thomas Linder Puls wrote:I suggest you read the tutorial Introduction to Classes and Objects
At the page, which Thomas referenced to, you may see the link to the russian version of the same article (if you do not prefere the english vesion).
by Victor Yukhtenko
21 Mar 2009 17:53
Forum: Visual Prolog
Topic: Work buttons, checkbox, radiobutton.
Replies: 4
Views: 3093

Re:

Steve Lympany : Thanks, for your ask. Victor Yukhtenko : Yas, it's me, this lesson complete =). How to handle create checkbox, (in existing form)? Lets move the dicusssion to the Russian forum. I have responded already there, but maybe you mean something different. You question here differs from wh...
by Victor Yukhtenko
20 Mar 2009 8:37
Forum: Visual Prolog
Topic: Work buttons, checkbox, radiobutton.
Replies: 4
Views: 3093

Re: Work buttons, checkbox, radiobutton.

FedorovVA wrote:Russian forum
I guess it was you , who initiated the same topic in the Russian Forum.
Have you tried the recommended CheckBox Example?
by Victor Yukhtenko
22 Feb 2009 16:54
Forum: Visual Prolog
Topic: sleep and resume
Replies: 1
Views: 2213

Re: sleep and resume

how make program with awating response from user in simple form. I need inside the predicate stop and wait for double-click on listBox item. Then get its value and run. If predicate not wait - it mast end (fail) and all local data lose. You must absorb the events-driven organization in GUI (the com...
by Victor Yukhtenko
9 Feb 2009 14:46
Forum: Visual Prolog
Topic: How I can inherit class predicates?
Replies: 2
Views: 2507

Re: How I can inherit class predicates?

example class aa predicates rr:(). end class aa class bb : aa end class implement bb inherits aa clauses rr(). end implement bb Thomas has the short vacation, I will try to fill the silent pause. You are trying to use the approach "try (according to your expectations) and ask", while I think you sh...