Windows 11 ProtonVPN 3.5.1 Qbittorrent 5.0.3 Have been using quantum successfully for a few months. Recently upon program startup there is a popup message "configuration system failed to initialize" ...

.NET Core Version: Version: 3.0.100-preview6-012264 Have you experienced this same bug with .NET Framework?: No A TextBox control on a form fires the TextChanged event the first time it gets focus, ...

In android, we have TextWatcher interface to keep track of input that we are typing. Usually it is very useful when we need verification on the basic of text length and content also. It has method ...

ASP.NET application file, provides a way to respond to application or module level events in one central location. You can use this file to implement application security, as well as other tasks.