jacklin

How much day's require to learn C++ ?

I have some problems when working with Win32 api. 1. Changing the text and background color of a button doesn't take effect. My code: case WM_CTLCOLORBTN: COLORREF colorref; colorref = RGB(0,0,255); HBRUSH hBrushBtn; hBrushBtn = CreateSolidBrush(colorref); return ((LRESULT)hBrushBtn); break; 2. How do I create selectable text. My code: text = …

I'm trying to setup mongoos server in a Winndows app. The server code needs to be in an infinite loop, so does the windows main loop. I put the server code and win loop on 2 threads, the problem is, the program hangs when executed. Is there a way to …

Question: I have to do a program on alternating sums using vectors. I am not sure how to start this program. I thought about using an array and every even index add the value and every odd index subtract the value. Does that sound right? Any ideas?

I am using PySide2 for GUI. I have a "Rename Project" QAction. The function must be like this: 1. set enable to false if tab name is "*Untitled" or file is unsaved. 2. set enable to True if file is loaded. How to do this? 3. Whenever switching to tab, …