Hi guys have some problems learning C++ in for UE4 due to the changes in 4.6, i have been following a number of tutorials but they also way end up with me having errors that the tutorial does not have.
The problem im having at the moments is this:
The .cpp
The .h
Any help would be amazing as im really stuck in trying to learn UE4 C++ but just hitting walls because of the changes in the latest version, also any links to the changes to C++ in UE4 would be great to thanks guys. 
https://docs.unrealengine.com/latest/INT/Support/Builds/index.html https://docs.unrealengine.com/latest/INT/Support/Builds/ReleaseNotes/2014/4_6/index.html#upgradenotes
if you search for deprecated, you can find all the important changes that might break your code.
LINK2001 means you are missing function definitions.
your header file declares 2 functions that your .cpp file does not define.
try adding this to your Weapon.cpp:
void AWeapon::Fire()
{
}
void AWeapon::InstantFire()
{
}Thank you so much worked like a dream