Qt signal slot segmentation fault

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I've just started learning QT with C++. I'm pretty new to both languages. When making a simple program to help figure out signals and slots, I get...

I have a Qt program which displays the data it receives over UDP. It works fine for around 30 seconds but after a while it gives Segmentation Fault and crashes. This 30 seconds is also not fixed. I used the debugger and got this: Program received signal SIGSEGV, Segmentation fault. 0x003c6fd4 in ?? from /usr/lib/libQtGui.so.4 QLineEdit.setText() generating segmentation fault | Qt Forum I might not be the QLineEdit! The first think I would like to mention is the parent of the QLineEdit. Set this to the dialog you are creating, that makes cleaning up of memory a thing for Qt, instead of you as programmer. The second thing, you connect the 'textChanged' signal to a slot, so it might also be a failure in that slot! [C++] Getting a segmentation fault in QT : learnprogramming I've just started learning QT with C++. I'm pretty new to both languages. When making a simple program to help figure out signals and slots, I get... c++ - Qt: QToolButton connect other widgets core dump ...

voilà, j'ai tout repris depuis zéro et je retombe toujours dna le même truc. j'ai beau comparer avec un code qui fonctionne je ne vois toujours pas la différence. je vais mettre le code de ce que je viens de faire. ca me donne la même erreur, il plante dès l'appel de la fonction.

Segfault when a Qt Quick Controls Menu triggers a C++ slot ... Segfault when a Qt Quick Controls Menu triggers a C++ slot that launches a modal QDialog ... Reproduced on 3 variants of Qt 5.1 from the ... If the signal was emitted ...

5 hours ago · It compiled successfully but I get segmentation fault (core dumped) e... Stack Overflow. Log In Sign Up; current community. Stack Overflow help chat. Meta Stack Overflow your communities . Sign up Browse other questions tagged c++ qt signals-slots or ask your own question. asked. today. viewed. 19 times. Blog Security Update ...

New Signal Slot Syntax - Qt Wiki There are several ways to connect a signal in Qt 5. Old syntax. Qt 5 continues to support the old string-based syntax for connecting signals and slots defined in a QObject or any class that inherits from QObject (including QWidget) connect( sender, SIGNAL( valueChanged( QString, QString ) ), receiver, SLOT( updateValue( QString ) ) ); Signals and Slots - Qt

Interesting little Segfault w/r to signal/slot connection - Qt ...

signal SIGSEGV, Segmentation fault On windows 8.1 · Issue ... Join GitHub today. GitHub is home to over 36 million developers working together to host and review code, manage projects, and build software together. [Résolu] [Qt] Segmentation fault - (ancienement "Slot mal ...

QObject Class | Qt Core 5.12.3

[Résolu] [Qt] segmentation fault par olipopotam [Qt] segmentation fault × Après avoir cliqué sur "Répondre" vous serez invité à vous connecter pour que votre message soit publié. × Attention, ce sujet est très ancien. signal SIGSEGV, Segmentation fault On windows 8.1 · Issue I have this error on windows 8.1 64 bit signal SIGSEGV, Segmentation fault I tested qml/application example it run successfully on windows 7 and 10 and wine Go 1.9 Qt