qstring Questions
5
Solved
How can I specify a unicode character by code (such as "4FF0") using QString? I tried QString s("\u4FF0"); but it only outputs a question mark. Any idea how to do this?
Edit:
It works that way, b...
4
Solved
I have a QJsonObject data and want to convert to QString. How can I do this? Searched for help in Qt, it only can convert QJsonObject to QVariantMap...
Thanks in advance.
Glob asked 27/1, 2015 at 22:59
4
Solved
I'm desperate about finding any information about the mentioned error.
I'm working on visual studio 2010. When I compile my project (in 32 bits), in debug or release, I get the following message :...
Parthen asked 14/9, 2012 at 16:13
2
Solved
I'm trying to create a QString which is a hexadecimal number with its letter digits in Capitals instead of small caps, how can it be done?
QString( " %1" ).arg( 15, 1, 16 )
yields f and I'd lik...
5
Solved
I am thinking of regular expressions, but that is not exactly readable. There are also functions like s.toUpper() to consider, and probably other things as well.
So what is the best method for ca...
12
Solved
I am trying to do something like this:
QString string;
// do things...
std::cout << string << std::endl;
but the code doesn't compile.
How to output the content of qstring into the c...
Goldcrest asked 18/11, 2010 at 11:43
6
Solved
I'm wondering How I can have a string in QML that will be occupied with some arguments? Some thing like this in Qt:
QString str("%1 %2");
str = str.arg("Number").arg(12);//str = "Number 12"
3
Solved
is there a way to draw fixed text that has subscripts. My goal is to have something like: "K_max=K_2 . 3"
QString equation="K_max=K_2 . 3";
painter.drawText( QRect(x, y , width, y+height), Qt::Ali...
3
Solved
How can I change the color and font of QLineEdit?
Here is my code:
self.lineEdit = QtGui.QLineEdit(widget)
self.lineEdit.setText("enter keywords here") #I want this to be in italics and in brown ...
3
Solved
I have a division like this:
number / 1000.0
Sometimes it gives answers like 96.0000000001, sometimes the division works as expected.
I want to limit my number to a maximum of two decimal place...
5
Solved
So when you use qDebug() to print a QString, quotation marks appears suddenly in the output.
int main()
{
QString str = "hello world"; //Classic
qDebug() << str; //Output: "hello world"
/...
5
Solved
I have created an encrypt/decrypt program, when encrypting I store the encrypted QByteArray in a text file.
When trying to decrypt I retrieved it and then put it into the decryption method, the pr...
Booby asked 14/6, 2016 at 3:40
6
Solved
How to remove /Job from /home/admin/job0/Job
QString name = "/home/admin/job0/Job"
I want to remove last string after"/"
4
Solved
I want to detect if the user has inputted a non-ASCII (otherwise incorrectly known as Unicode) character (for example, り) in a file save dialog box. As I am using Qt, any non-ASCII characters are p...
4
Solved
I have a char array and want to convert one of the values from char to qstring:
unsigned char inBuffer[64];
....
QString str= QString(*inBuffer[1]);
ui->counter->setText(str);
This isn't ...
2
5
Solved
I want to convert number to QString with 3 significant digits.
QString::number(myNumber,'f',3);
does the job but remains trailing zeros. How to use it without them.
Also I've tried 'g' and whic...
14
Solved
I want to use switch-case in my program but the compiler gives me this error:
switch expression of type 'QString' is illegal
How can I use the switch statement with a QString?
My code is as fol...
Chopping asked 27/3, 2011 at 20:29
3
Solved
I have QString with html tags. Why can i get plain text from this string?
2
Solved
I'm trying to replace heavy QString class with the lighter alternatives (QStringRef/QStringView). The problem is that Qt widgets don't consume these classes by any mean. For example, the QLabel::se...
10
Solved
I was trying to convert a QString to char* type by the following methods, but they don't seem to work.
//QLineEdit *line=new QLineEdit();{just to describe what is line here}
QString temp=line->...
7
Solved
I'm having issues with QByteArray and QString.
I'm reading a file and stores its information in a QByteArray. The file is in unicode, so it contains something like: t\0 e\0 s\0 t\0 \0 \0
I'm tryi...
Span asked 2/1, 2013 at 23:55
2
Solved
I was surprised to learn that QVector3D does not have a built-in way of outputting the x, y, and z coordinates as a QString. I can write a simple function to do this, but I was wondering if there w...
1
Solved
QString has a method remove that takes a QRegExp. It removes every occurrence of the regular expression.
Is there a way to remove only the first occurrence of the regular expression?
Answer to QS...
2
Solved
I am using PyQt5 but can't import QStringList. I know that QStringList used to be in the module QtCore in PyQt4. So I try importing the class using
from PyQt5.QtCore import QStringList
but it sh...
Cunningham asked 3/1, 2015 at 17:41
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