QuickSortion best:o(nlogn) evrytime halfwrost:o(n2) lineaverage:o(nlogn...

df (show all disk usage) df -T: show typesdf -h: human readable. du (sh...

Protect TCP from data error.A succeed to connect to B.A send “hello” to ...

impartial Why should people believe that the investigation will be impar...

template function template. normal function template. template specicali...

alias make alias for commands. alias display all aliasalias lb='ll -h...

move the move is a function to change a value to a type of rvalue. rvalu...

disparity/gap income disparity/gap the living condition gap/disparity be...

chronic- chronic pain/diseasefacilitate- facilitate the development/grow...