qt - qDebug() output is not visible on a terminal -

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i use ubuntu 12.04 lts. when run console application using qt creator output of qdebug() not visible on terminal (i empty terminal cursor). how fix ?

edit1 can't stop program using stop button, have use force quit option.

edit2 here code:

#include <qcoreapplication> #include <qdebug>  int main(int argc, char *argv[]) {    qcoreapplication a(argc, argv);    qdebug()<<"ok";    return a.exec(); }

edit3 solution: qt creator: run in terminal


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