cpp_noname questions

• An exception gets thrown twice from a constructor with a function-try-block
• Differences between LAM MPI and OpenMPI
• pasting "::" and "Foo" does not give a valid preprocessing token
• What does the term "interrupt safe" mean?
• Declaring a variable with "class " keyword vs Declaring one without "class" keyword in function signatures
• Declaring vector as global variable in C++
• How does the C++ runtime system know when objects go out of scope
• Disabling g++'s return-value optimisation

cpp_noname answers