Net Citizen questions

• c++ implementing cancel across thread pools
• Is there any way to get some information at least for catch(...)?
• Existence map in C++
• Getting a list of user profiles on a computer in C++ Win32
• p/invoke a 32-bit dll from a C# program running on an x64 machine
• How different is Qt4 from Qt3?
• Django: Is there a better way to bold the current page link
• Django: models last mod date and mod count
• Possible to call a managed DLL from unmanaged C++?
• c++ exceptions, can what() be NULL?

Net Citizen answers