Continue with my last post about QtableView tutorial (fill Qtableview with value), I try to create another post about how to create contextmenu in QtableView. With this tutorial, you can implementated contextmenu in other Widget in Qt like QtableWidget, QlistWidget and other. The basic idea how to create contextmenu in QtableView is like with contextmenu
When I use Qt, I try to used or start external program from Qt. After searching in qassistant, I get a class QProcess to used or start external program from Qt. So, I try to create Qt QProcess tutorial in my post. This my Qt QProcess tutorial is basic tutorial to use QProcess in Qt.
I get error when install seismic unix in Ubuntu, because I dont get file Xm/Xm.h. We can solve this problem by install openmotif in Ubuntu. But, I have problem when try to get Openmotif installer in Ubuntu. I try to use command sudo apt-cache search openmotif, but I can not get openmotif installer in Ubuntu.
Are you know how to create NAN number (Not a Number) in C? If you use Matlab, you can create NAN number by fill value variable with nan value (example : a=nan). What the the meaning of NAN number? NaN (Not a Number) is a value of the numeric data type representing an undefined or