mezamorphic questions

• "Unable to set the NumberFormat property of the Range class"
• How to manually upgrade Boost to latest version on Ubuntu 22.04
• scoped_lock with a timeout?
• Save values (not formulae) from a sheet to a new workbook?
• Creating a new excel workbook
• Optional argument, by reference, for polymorphic method?
• Spinning thread takes 20,000 CPU cycles to see atomic write on Xeon CPU
• C++ Windows Thread pool (non-boost/c++11)
• Format cell for comma-separated values
• String formatting for decimal places and thousands

mezamorphic answers