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Recent Unanswered Threads

QImage bytesize
Today 12:40 by panicq

(PyQt5) QDateEdit write date from the keyboard
Today 11:48 by Odium

QWebSocket closeCode not returning expected value
Today 06:26 by 413X

Qt app: Create a shell link to my app with a pixmap as the link icon
Yesterday 13:29 by ddonate

How to properly use the asynchronous libusb?
24th January 2021 18:36 by Andrew23

QPSQL unable to COPY large files
23rd January 2021 18:48 by dehm

Qt Creator can't locate Qwt plugin
18th January 2021 09:24 by trouden

(PyQt) QSortFilterProxyModel very slow when sorting
17th January 2021 13:44 by TheGrudge

PyQt5 5.15.2 Raspberry Pi issues
12th January 2021 19:21 by shift838

Issue when passing a pointer to a SLOT from a SIGNAL with QObject::connect
9th January 2021 14:07 by teodor
Recent Forum Posts

QImage bytesize

Hi,

I'm just wondering why QImage are consuming that much memory.

I'm loading an image that is 1.2 Mb (I checked that using QFileInfo) and when querying the size using sizeInBytes on the QImage...
panicq Today, 12:40

(PyQt5) QDateEdit write date from the keyboard

Is there any way to write the date to the widget without double clicking on it? I tried to clear the widget when clicked, but QDateEdit has no such slot.

Thanks in advance for your attention
Odium Today, 11:48

Re: What's the practical difference between QMessageBox, QDialogButtonBox, and QDialo

My god, you are such a condescending and arrogant prick.
jackz314 Today, 08:36

Re: QSlider Iteration Misses Sample Data on QCustomPlot

No, it is a bug in your logic. You need to compute the zoom factor after each step, and use that new factor to scale the plot for the next step. You do not need to change the slider range, ever. ...
d_stranz Yesterday, 18:36

Re: How to properly set a background image of a custom widget

The I think the only way to do that is to paint it manually in the paintEvent(). The stylesheet doesn't know anything about your application's details, so your paint event has to decide whether to...
d_stranz Yesterday, 18:29

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