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Forum: Newbie

Newbie to Qt? Ask your questions here.

  1. Why doesn't this button become invisible?

    Started by Plixil, 23rd July 2010 22:55
    • Replies: 2
    • Views: 3,048
    Plixil
    23rd July 2010, 23:41 Go to last post

  2. Question Why don't I have any code related to .ui in .cpp file?

    Started by ada, 4th December 2010 14:50
    • Replies: 8
    • Views: 3,592
    marcvanriet
    5th December 2010, 22:41 Go to last post

  3. Thumbs down Why don't QT Designer layouts "make sense to me"?

    Started by aplatypus, 20th May 2010 15:48
    design, flows, layout, newbie, stacks
    • Replies: 7
    • Views: 15,167
    ChrisW67
    13th November 2010, 07:58 Go to last post

  4. Why dont see a Custom Widget Promoted ?

    Started by tonnot, 27th October 2010 13:15
    • Replies: 1
    • Views: 2,985
    high_flyer
    27th October 2010, 13:24 Go to last post

  5. Exclamation Why fonts in Qt are appearing blurry or pixelated?

    Started by Abhay_Salvi, 11th May 2020 12:19
    1 Attachment(s)
    • Replies: 2
    • Views: 7,978
    Abhay_Salvi
    16th May 2020, 16:01 Go to last post

  6. why i am getting errors:: undefined reference to

    Started by arunchaudhary1983, 22nd October 2007 08:07
    • Replies: 5
    • Views: 7,266
    wysota
    22nd October 2007, 10:33 Go to last post

  7. why I can't change the color of progressbar ?

    Started by navid, 27th February 2010 05:03
    • Replies: 7
    • Views: 9,057
    navid
    1st March 2010, 17:49 Go to last post

  8. Why I cannot get help (when F1 is pressed) on QDialog::tr(" ")

    Started by tonnot, 27th September 2010 09:57
    • Replies: 1
    • Views: 2,247
    tbscope
    27th September 2010, 11:57 Go to last post

  9. Why I cannot stop a thread?

    Started by 8Observer8, 26th August 2013 07:04
    • Replies: 12
    • Views: 8,202
    8Observer8
    3rd September 2013, 09:43 Go to last post

  10. Question why I cannot use QString?

    Started by Ryan111, 1st April 2015 14:45
    • Replies: 8
    • Views: 4,603
    Ryan111
    2nd April 2015, 07:40 Go to last post

  11. why I do NOT have ui_myprog.h?

    Started by Pereubu2018, 10th July 2018 15:11
    • Replies: 4
    • Views: 1,912
    Pereubu2018
    11th July 2018, 14:08 Go to last post

  12. Why I see: Object::connect: No such slot QDialog::showName(QString) in

    Started by 8Observer8, 15th October 2013 09:53
    • Replies: 3
    • Views: 5,207
    8Observer8
    15th October 2013, 16:45 Go to last post

  13. Question why insert one row and display tow rows, with an additional blank row?

    Started by helloqt, 13th February 2016 04:03
    qabstracttablemodel, qtableview 3 Attachment(s)
    • Replies: 1
    • Views: 4,353
    anda_skoa
    13th February 2016, 11:40 Go to last post

  14. Why is it more efficient to remove an item from a QGraphicsScene before deleting it?

    Started by wayfaerer, 1st May 2012 23:11
    qgraphicsitem
    • Replies: 0
    • Views: 3,399
    wayfaerer
    1st May 2012, 23:11 Go to last post

  15. Why is QMutex Thread Safe?

    Started by Kind Lad, 20th February 2010 08:17
    • Replies: 3
    • Views: 6,280
    Coises
    22nd February 2010, 04:46 Go to last post

  16. Why is Qt5Network.dll required?

    Started by BeautiCode, 1st June 2015 07:09
    • Replies: 10
    • Views: 8,170
    anda_skoa
    4th June 2015, 11:02 Go to last post

  17. Why is QUndoStack's cleanChanged signal opposite of QWidget's setWindowModified slot?

    Started by wayfaerer, 9th March 2012 23:39
    • Replies: 2
    • Views: 2,857
    wayfaerer
    10th March 2012, 00:30 Go to last post

  18. why is the sender's type of the destroyed() signal QPushButtonPrivate?

    Started by iwatsu, 19th April 2011 22:13
    destroyed(qobject*), sender
    • Replies: 3
    • Views: 4,695
    iwatsu
    20th April 2011, 15:42 Go to last post

  19. Why is the Windows MinGW SDK download alone 1.5 GB in size?

    Started by jamadagni, 6th June 2011 06:32
    3 Attachment(s)
    • Replies: 7
    • Views: 6,692
    squidge
    7th June 2011, 07:56 Go to last post

  20. Why is this so hard. (Building examples)

    Started by ohlfsen, 22nd February 2010 21:56
    undefined reference
    • Replies: 10
    • Views: 8,763
    ohlfsen
    26th February 2010, 10:40 Go to last post

  21. Why isn't this joining files correctly?

    Started by tom989, 6th January 2013 22:35
    • Replies: 2
    • Views: 1,694
    amleto
    7th January 2013, 13:23 Go to last post

  22. Unhappy why isnt my button showing?

    Started by IsleWitch, 7th October 2007 17:20
    • Replies: 4
    • Views: 3,405
    IsleWitch
    7th October 2007, 18:28 Go to last post

  23. Why Jambi?

    Started by invictus, 7th February 2007 17:40
    • Replies: 1
    • Views: 2,948
    jacek
    7th February 2007, 22:21 Go to last post

  24. why linking problem with QGLWidget???

    Started by Shuchi Agrawal, 14th March 2007 12:38
    • Replies: 17
    • Views: 17,630
    high_flyer
    16th March 2007, 10:45 Go to last post

  25. Why my application quit?

    Started by yxtx1984, 7th February 2010 03:15
    • Replies: 1
    • Views: 2,754
    yxtx1984
    7th February 2010, 05:46 Go to last post

  26. Why my for loop always gets SIGSEGV in a QTableWidget?

    Started by schinkengott, 15th June 2015 14:00
    • Replies: 2
    • Views: 2,525
    schinkengott
    15th June 2015, 15:06 Go to last post

  27. Why my object stay in main thread?

    Started by honestapple, 2nd April 2013 12:02
    • Replies: 4
    • Views: 3,789
    honestapple
    3rd April 2013, 04:29 Go to last post

  28. Why my programm is asking for libssl.so.7?

    Started by gboelter, 25th September 2009 12:41
    • Replies: 2
    • Views: 5,087
    gboelter
    29th September 2009, 12:23 Go to last post

  29. Angry Why my setter don't work?

    Started by gboelter, 8th November 2009 06:36
    • Replies: 7
    • Views: 3,678
    ChrisW67
    8th November 2009, 21:27 Go to last post

  30. Why object on the heap for QStandardItemModel?

    Started by arcull, 19th August 2015 08:14
    • Replies: 14
    • Views: 5,307
    arcull
    19th August 2015, 13:29 Go to last post
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