I ran across a question on Quora: What's the easiest programming bug you spent way too much time trying to solve?.
Here is my answer to that question. Some time during my first few years of programming, I wrote code similar to this little snippet and expected it to print …
When debugging native Win32 code, it is useful to have the debug symbols for all of Microsoft's DLLs. The easiest way to set this up is to just set an environment variable before starting Visual Studio (or other Microsoft debugging tools):
set _NT_SYMBOL_PATH=srv*c:\symbols*http://msdl.microsoft.com …