QProcess killed with SIGPIPE
I am trying to make an application that starts a subprocess, reads raw video frames from its standard output, and processes them. However, after some frames, my subprocess gets killed with SIGPIPE for...
View ArticleStream Logger class recommendations?
Hi, I am attempting to write a simple logging class (It will be useful between all of my projects). What I would like to do is just create a time stamped file and stream data into the log file class...
View ArticleTerminal Won't Stay Open in Console Project
Hello! I recently began developing in Qt, but I am having an issue with console projects. When I run my program (Console Program), terminal opens and then immediately closes so I cannot see the output....
View ArticleVS2012 .vcxproj file not working as accepted
I have been trying to track down this linker error for a whole now that is titled VS2012 & mismatch detected for ‘_MSC_VER’ [qt-project.org] Well, I do generate the project file from a .pro and...
View Articlehow to check incomingConnection for valid IP before starting QTcpSocket in...
Note: If you want to handle an incoming connection as a new QTcpSocket object in another thread you have to pass the socketDescriptor to the other thread and create the QTcpSocket object there and use...
View ArticleQT release build defining both _DEBUG and NDEBUG and causing issued with PhysX
Hello, I am trying to build an editor that links with my game engine and I am running into this issue. In PhysX I get this error: “Exactly one of NDEBUG and _DEBUG needs to be defined by preprocessor”...
View ArticleQT release build defining both _DEBUG and NDEBUG and causing issued with PhysX
Hello, I am trying to build an editor that links with my game engine and I am running into this issue. In PhysX I get this error: “Exactly one of NDEBUG and _DEBUG needs to be defined by preprocessor”...
View ArticleHow do I attach properties to a Component?
Hi there, I am trying to understand the Component objects. So I’ve written two .qml files. Container.qml, which is a Rectangle that displays an arbitrary object (aThing). The other file (main.qml) is...
View ArticleMaintenance of Qt Mobility/ Qt Location
Dear all! I would like to ask, if Qt Location is currently maintained. After having discovered and reported (https://bugreports.qt-project.org) some bugs, I see, that 80% of bugs being reported after...
View ArticleQt tool learning
Hi All I am working Qt designer with VS 2008 if anybody know good reference site which i can learn more advance features about Qt development. (please consider my tools) Thanks
View ArticleMarshal calls to Qt main thread
I’d like to wrap libcommuni, which uses Qt, in a different DLL project, which doesn’t use Qt. As far as I’ve been able to tell, I need to run the Qt message pump (via QCoreApplication) to make sure...
View ArticleQTCreator-QWT plugin
Greetings, Just starting to use QT and QWT and enjoying it. I am having one issue with using QWT 6.1.0.rc3 with QT 5. Installed according to instructions using MSVC and all works well, no errors at...
View ArticleQSqlQueryModel, trees and more
I will examplify the problem using the following scenario: 1) A database that contains: – manufacturer: id, description – model: id, manufacturerId, description – car: id, modelId, description So we...
View ArticleQXmlStreamWriter: How to create complex xml header ?
Hello, I want to create the following complex xml header with QXmlStreamWriter: <?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet...
View ArticleQTableWidget::setCellWidget() a QLineEdit for very large table?
Hi, I have a QTableWidget in my Main Window. Now I know that we can set item as QTableWidgetItem for each cell. Instead I wanted to ask what is the effect of adding QLineEdit through setCellWidget()...
View ArticleРабота с UUID разделов файловых систем
Здравствуйте! Есть ли возможность средствами Qt считывать UUID разделов на дисках, узнавать точки монтирования по UUID не только в Linux-based операционках? Кажется, что-то необходимое есть в...
View ArticleWhat's wrong with my Qt Creator??
Well, I downloaded and Installed Qt Creator for Windows from qt-project.org/downloads, but I can’t see the “examples” area, I can’t create most types of projects, so I’m unable to do pretty much...
View ArticleUS based Sales Engineer Opening
Trollagent specializes in Qt staffing solutions. We are recruiting a US based sales engineer to support Digia’s sales team in the Americas. The Sales Engineer: Serves as a key technical advisor and...
View ArticleExited with code -1073741511
I’m using Qt-creator. but when i execute my just compiled program i got this error: Starting C:\Users\Bruno Gabriel\Documents\Bruno Gabriel\Ciência da Computação\Sistema...
View ArticleQCompleter not working in Qt 5.0.0
Hi.. I have to set the auto completion for the QLineEdit, so i tried using QCompleter. The code shown below works fine in Qt 4.8.4. But when i try the same code in Qt 5.0.0 (32 bit), it just throws me...
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