system info widget

These two days in summing up some of the previous problems encountered in project, just do not have a colleague asked me about Qt in the various widget window position is how to define, here is summed up:In Qt, all problems are divided into two different situations: one is the most commonly used qwidget system, and the other is the Qgraphicswidget system.①: In th

Reason Analysis: This situation is usually caused by incorrect or accidental deletion of system files in the system. Workaround: 1, press and hold the power button, the computer forced shutdown, reboot, to the Windwos logo interface, press the power button again forced shutdown computer, repeated operation several times, will automatically pop-up troubleshooting interface, we click to select "Troubleshoo

1. Culture Options[DisplayName ("Culture Options")] PublicIenumerablecultureoptions {Get { returnCultureInfo.GetCultures (culturetypes.allcultures). (info =info. DisplayName). Buildselectitemlist (Info= = info. DisplayName, info =

Http://wenda.tianya.cn/wenda/thread?tid=1d4b0f172f958833Linux operating system--help, man, and info toolsThe Linux operating system provides us with a very convenient system documentation help information. Examples include the "--help" option, the Man tool, and the Info tool

WIN7 64-bit system after installation Expresscache run eccmd-info command times wrong "Failed to retrieve product license Information", as follows: Solution: Method One: Reboot the computer to see if the problem is solved Method Two: In the service to see if the Expresscache service is open, if not open, open this service. If it is already turned on, turn off the service and then open the ser

In my daily work, I use Ruby, Python and PHP. In the Ruby language, we can leverage the Rubyconfig module to get the all of the system info which the Ruby Run-time Resi Des in. There is also OS and system module in the Python world to harness the system and platform information. However, it's much easier to get the sam

, during the paintevent, the painting is redirected-an offscreen surface which are represented by the internal CL The Qwindowsurface.Qwidgetbackingstore is responsible for figuring out which parts of the window surface needs to being updated prior to showing It to screens, so its really a repaint manager.When the concept of Backingstore is introduced in Qt 4.1, the both classes were the same, but the introduction of more Var Ying ways to get content to screens made us split it in.Qt4.4