hi, wtf  is this called? ${}
i am doing project left over by some friend and he use this in his app config ${} and i not even able to google it as google not find results at all.

trying to find wtf is called, but is hard and hard.

help?

i try to complain stackoverflow is says quality not meet standards how why?

i wanna the name of that symbol

    ${}

is not googleable

i am just writing extra info to meet stackover flow standard quality.

why is no
hi, wtf  is this called? ${}
===

i am doing project left over by some friend and he use this in his app config ${} and i not even able to google it as google not find results at all.

trying to find wtf is called, but is hard and hard.

help?

i try to complain stackoverflow is says quality not meet standards how why?

i wanna the name of that symbol

    ${}

is not googleable

i am just writing extra info to meet stackover flow standard quality.

why is no