danadam questions

danadam answers

• Piping of grep is not working with tail? [duplicate]
• Bash read command doesn't work outside loop
• Why stl map inserts another value if key already exist, and not just change it?
• Is there a way to figure out the top callers of a C function?
• Why is the compiler allowed to optimize out this busy waiting loop?
• Why did the range based 'for' loop specification change in C++17? [duplicate]