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22 Posted Topics
I have a HP Pavillon dv7 laptop. The screen went black, and when connected to an external monitor, it didn't work. Does that mean that the issue is from the motherboard. If that is the case, the most important thing here is, can I retrieve the information stored on the … | |
I'm using "Digital Mars" to compile the following program: [CODE] #include <iostream> using namespace std; int main() { cout <<"My name is Abder-Rahman"; return 0; } [/CODE] And, this is what I get: [CODE] C:\Users\Software Engineer\Desktop\C++\dm852c\dm\bin>dmc print1 Fatal error: unable to open input file 'iostream' --- errorlevel 1 [/CODE] Any … | |
I'm trying to retrieve back information (i.e; emails, contacts, ...etc) of Microsoft Outlook 2007 after the hard disk (C drive) has been formatted? How can I do that? Thanks. | |
What does it mean when we [B]select [/B]a RAM by assigning [CODE]select = 1[/CODE]? Thanks. | |
I have followed this tutorial for setting up Eclipse and OpenCV: [URL="http://carrierfrequency.blogspot.com/2011/05/opencv-22-in-windows-using-eclipse-ide.html"]http://carrierfrequency.blogspot.com/2011/05/opencv-22-in-windows-using-eclipse-ide.html[/URL], and doing it with OpenCV 2.3. But, I'm always getting the error: Type 'IplImage' could not be resolved for IplImage* img = 0; Why is that? Thanks. | |
I noticed that the main.cpp in a Qt application has to contain the following line: QApplication app(argc, argv). I know that argc is the number of command-line arguments, and argv is that array list of command-line arguments. But, the question in my mind is: what are those arguments I'm passing … | |
I have the following `main.cpp` file: [CODE] #include <QApplication> #include "ui_checkabder.h" #include <QDialog> int main(int argc, char *argv[]) { QApplication app(argc, argv); Ui::CheckAbder ui; QDialog *dialog = new QDialog; ui.setupUi(dialog); dialog->show(); return app.exec(); }[/CODE] And, get the following errors when trying to run the program: [CODE] C:/Users/avbder/Desktop/abder/main.cpp:7: error: 'CheckAbder' is … | |
When I try running a Qt application with the following main.cpp file: [code] #include <QApplication> #include "ui_checkabder.h" #include <QDialog> int main(int argc, char *argv[]) { QApplication app(argc, argv); Ui::CheckAbder ui; QDialog *dialog = new QDialog; ui.setupUi(dialog); dialog->show(); return app.exec(); } [/code] I get the following errors: c:/QtSDK/Desktop/Qt/4.7.3/mingw/lib/libqtmaind.a(qtmain_win.o):-1: In function `WinMain@16': … | |
just have those questions about those code sinppets from the C++ GUI Programming with Qt 4 book: GoToCellDialog::GoToCellDialog(QWidget *parent):QDialog(parent) Does that mean we are inheriting QDialog(parent)? Or, what exactly does this mean? setupUi(this); Here, this code snippet is part of the gotocelldialog.cpp file, which is the implementation of gotocelldialog.h header … | |
I'm new to [B]Qt[/B]. What resources do you recommend for learning Qt? Thanks. | |
When trying to run a simple `Qt program`, I get the following erros: (How can I solve them?) [CODE]In function `WinMain@16': c:/Qt/2010.05/qt/lib/libqtmaind.a(qtmain_win.o)[/CODE] [CODE]error: undefined reference to `_Unwind_Resume: C:\qt-greenhouse\Trolltech\Code_less_create_more\Trolltech\Code_less_create_more\Troll\4.6\qt\src\winmain/qtmain_win.cpp:93[/CODE] [CODE]error: undefined reference to `_Unwind_Resume': C:\qt-greenhouse\Trolltech\Code_less_create_more\Trolltech\Code_less_create_more\Troll\4.6\qt\src\winmain/qtmain_win.cpp:135[/CODE] [CODE]error: collect2: ld returned 1 exit status[/CODE] Thanks. | |
0 down vote favorite I'm new to Qt, and trying to compile and run this Qt program I typed from the [I]Programming with Qt[/I] book: [CODE]#include <qapplication.h> #include <qlabel.h> int main(int argc, char *argv[]) { QApplication myapp(argc, argv); QLabel *mylabel = new QLabel("Hello",0); mylabel->resize(120,30); myapp.setMainWidget(mylabel); mylabel->show(); return myapp.exec(); }[/CODE] When … | |
Are there resources you recommend that describe how a computer [B]RAM [/B]works? Thanks. | |
I have typed the following program from [I]Learning OpenCV[/I] book: [CODE] #include "highgui.h" int main(int argc, char *argv[]) { IplImage *img = cvLoadImage(argv[1]); cvNamedWindow("Example1", CV_WINDOW_AUTOSIZE); cvShowImage("Example1", img); cvWaitKey(0); cvReleaseImage(&img); cvDestroyWindow("Example1"); } [/CODE] When I try to build it using `Eclipse CDT`, I get the following (Any ideas?): [CODE] **** Build … | |
I have a [B]C++[/B] program written using [B]Eclipse CDT[/B]. This program needs arguments to be passed to it. How can I do that using Eclipse CDT? Thanks. | |
What is [B]IplImage [/B]in OpenCV? Can you just explain what is meant by it as a type? And, when should we use it? Thanks. | |
Hello, I have installed the [I]latest [/I]versions of [B]OpenCV [/B]and [B]Eclipse CDT[/B], but not able to make OpenCV to be used within Eclipse CDT. Any ideas on how can I do that? Thanks a lot. | |
I have a "Fujitsu Siemens" PC, and when trying to start it up get the following message without gerttinh beyong: [B]warning resoource conflict -PCI on motherboard Bus:01, Device:1D, Function:00 warning resoource conflict -PCI on motherboard Bus:01, Device:1E, Function:1F [/B] How can I fix this issue? Thanks. | |
I want to ask about a term here. What does it mean when we say "Create a database"? What are we exactly doing? Thanks. | |
I have a view file, "show.html.erb", and a Javascript file, "coordinate.js". In coordinate.js" I have methods to calculate the width and height of an image. How can I call those methods on the "Canvas" in my view. And, below you can find the scripts of the two files: [B]* show.html.erb[/B] … | |
At the following web page: [url]http://www.psc.edu/general/software/packages/ieee/ieee.php[/url] What is meant by * or ** like in the following? V=(-1)**S * 2 ** (E-127) * (1.F) where "1.F" V=(-1)**S * 2 ** (-126) * (0.F) +1 * 2**(128-127) * 1.0 = 2 ...etc Thanks. | |
Of the DB operations I came to is the [B]Division[/B] operation. I really tried to understand this operation from different sources but didn't get the idea of this operation. Can someone thankfully describe it or at least direct me to a source that explains this operation clearly? Thanks. |
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