G. Sliepen questions

G. Sliepen answers

• returning string_view from function
• Makefile : select files by extension, from a variable
• Why running std::thread with empty function spend a lot of memory
• How to update multiple fields of a struct simultaneously?
• IOCCC 1984/decot.c - can it be compiled in the 21st century?
• How to find C++ spurious copy operations?
• Cast array of bytes to POD
• Is a Union Member's Destructor Called
• TCP tunables does not show expected result in data xfer rate
• Colstore vs Rowstore for in-memory algorithms