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Qt is a Cross Platform UI and Application development framework which follows the concept of Write Code once and deploy many times irrespective of the target platform. Qt comes with many of the Modular C++ Classes to deploy Rich User Interface Application that renders 2D and 3D Graphics . Besides, User Interface, Qt can be used to develop only Business logic which can be anything starting from Multi threading till large web based application that needs database connectivity.
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Yes, you're right, i should check the bug database before making post, but the bug means, in specific case, a specific functionality is not working as accepted, and usually it doesn't happen a entire thing is not working and that is a bug. thus why bug database didn't get my attention and i was thinking, it is a problem at my side.
Hi and welcome to devnet,
You can find the documentation of toAscii here
And the one from .data here.
That line retunes a pointer to the data of a temporary QByteArray.
Note that since you are using toAcii you're likely using Qt 4. You should consider upgrading to Qt 5.
Create lines, rectangles, circles etc as QtQuick items.
Create a single QQuickPaintedItem to draw lines, rectangles, circles etc.
Create a single QQuickItem to draw lines, rectangles, circles etc.
Dear Wieland ,
Can I get a sample for the above, Actually i am facing issue with line object. It will draw inside a rectangular area, so it is difficult to handle multiple objects.
There's no such class as QNetworkSessionManager. And there's no purely Qt way to set IP. You need to rely on platform specific code or use tools such as for eg. ipconfig on Linux. You can call this using QProcess.
You are welcome. Usually a few iterations are needed before it starts working (usually people have problems with writing correct LIBS statements, and often there are issues with supplying right paths). But in general, you should be on a good azymouth right now.
Sorry but the code looks little bit weird. I think you must first rectify them:
No need to open the database twice.
Since you are fetching everything from the same table with same where clauses why unnecessarily complicate the code by firing 4 different queries.
Furthermore it complicates the if and while conditions.
Closing the connection in while loop would be a bad idea as it will close the database and the end of first iteration itself and thus affecting the remaining data if any.
and in the interactor style class did as below
void SetUi(Ui_MainWindow *ui)
if(_Slice < Max_Slice)
_Slice += 1;
and things work perfect.
It sounds like you want to use Optical Character Recognition (OCR) technology.
You can either launch an external OCR program like BlackDal suggested, or can integrate a 3rd-party OCR library (like "Tesseract":https://code.google.com/p/tesseract-ocr/) into your code.
I have a final setup of Qt-creator as follows.I ran the script in the /opt/poky/1.6.1/ and opened the qt-creator from the concole. with this settings as below i'm trying to cross-compile the sample clock code
Qt version http://picpaste.com/3-lwZngysy.png
4 compiler http://picpaste.com/4-M4y6gJYb.png
Build Settings http://picpaste.com/7-4myooBgL.png
With the settings ,clock code is giving me error.
14:32:34: Running steps for project clocks...
14:32:34: Could not start process "/opt/poky/1.6.1/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/bin/make" clean
Error while building/deploying project clocks (kit: wandboard)
When executing step 'Make'
14:32:34: Elapsed time: 00:00.
Please if you can assist.