Mailing lists / fpc-pascal

fpc-pascal · 2013-09

1. TMemoField saving empty strings as '' (double quote)

   I'm trying to save an empty string in a TMemoField, but it always saves a double quote ('') instead. Attached a small example to reproduce the error. My environment:…

   SLRsilvioprog, LacaK, Reinier Olislagers9-11-2013 20:33 UTC
   18
2. TObject and @TObject (are objects pointers?)

   I am writing a Tree class which have the following skeleton: generic TTree<T> = class private FItems: TList; public ... end; The FItems variable is used to store…

   XLXiangrong Fang, leledumbo9-11-2013 14:52 UTC
   1
3. IFPObserved

   Where can I find detailed documentation on IFPObserved? This page only defines the interface but not telling about the purpose of this interface:…

   XGMXiangrong Fang, Graeme Geldenhuys, Michael Van Canneyt9-11-2013 08:58 UTC
   6
4. Database parameter trouble in insert query

   An application needs to dump output into a (file-based for now) database (like MS Access, Firebird embedded, sqlite), Excel, CSV file etc. FPC trunk, x86 and x64,…

   RReinier Olislagers9-7-2013 07:33 UTC
   1
5. Breaking Pascal source lines

   I'm sure there isn't a single "right" answer to this question, but if transferring Pascal source to a system that enforces short lines (e.g. 78 chars + CRLF) what's the…

   MBFMark Morgan Lloyd, Bernd Oppolzer, Frederic Da Vitoria9-6-2013 17:05 UTC
   8
6. PostgreSQL: ERROR: operator does not exists: uuid = text

   I can't understand how to open a query filtering by a field of type GUID. The error message is below (translated from BR to US): TPQConnection: Preparation of query…

   SALsilvioprog, Alberto Narduzzi, LacaK9-5-2013 17:52 UTC
   6
7. Could not set breakpoint

   I am running v2.4.4. I get "could not set breakpoint messages" on ordinary lines of code. What causes this? How do I fix it? Thanks.

   JMJohn Youngquist, Martin9-5-2013 17:12 UTC
   2
8. Runtime error 217 on array of Variant

   I would like to use TVarRec as Variants, after some googling I found this: http://stackoverflow.com/questions/3733640/how-to-convert-between-tvarrec-and-variant However,…

   XSXiangrong Fang, Sven Barth9-5-2013 05:14 UTC
   2
9. IPC - Persistent Objects - Triplestore

   Does anybody know the best support in Pascal for an RDF triplestore? Is there one written in Pascal? I'm interested in Pascal's interprocess communication (IPC), in…

   PMPeter Brooks, Mattias Gaertner9-4-2013 09:40 UTC
   1
10. procedure that accept generic types?

    I try to write a procedure with generic parameters, but failed: type generic TArray<T> = array of T; procedure ProcessArray(arr: TArray<T>); begin end; The compiler said…

    XSXiangrong Fang, Sven Barth9-4-2013 07:49 UTC
    5
11. [PATCH] Fix for trunk compilation error after 25403/stringlist fix

    Trunk didn't compile... probably forgotten diff? Diff in mantis http://bugs.freepascal.org/view.php?id=24949 fixed it for me. Reinier

    RReinier Olislagers9-3-2013 11:34 UTC
    0
12. embedded HTTP server in GUI application

    Can anybody make recommendations for embedding a HTTP Server into a GUI application? ps: I'm using FPC 2.6.2, and the end result application will run under Windows…

    GLMGraeme Geldenhuys, Ludo Brands, Marco van de Voort9-3-2013 11:13 UTC
    5
13. ExtractFilePath and \ as pathdelim

      ExtractFilePath and ExtractFileDir stops at last '/','\', so it treats the normal character \ as path delimiter under Unix. Is there a RTL function that handles the \…

    MMRMattias Gaertner, Michalis Kamburelis, Reimar Grabowski9-3-2013 10:59 UTC
    2
14. ExpandFileName failure on long filenames on Linux

    Before reporting this as a bug, can somebody confirm? program efn; uses sysutils; begin writeln(expandfilename(paramstr(1))); end. If I cd to a directory with a very…

    BJMBart, Jonas Maebe, Marco van de Voort9-1-2013 18:38 UTC
    16