if () { }

if we run 9119 through the function, 811181 will come out, because 92 is 81 and 12 is 1.

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dd if=/dev/urandom bs=32 count=1 2>/dev/null | sha256sum -b | sed 's/ .*//'

how to write a program that displays a message “It’s Fun day” if it's Saturday or Sunday today in javascript

restrict the user from going to signup or login page if the user is already logged in firebase auth

create a function in python that takes a string and checks to see if it contains the following words or phrases:

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if you want to modify the time relative to utc, remove the z and add +hh:mm or -hh:mm instead:

could not connect to websocket endpoint ws://localhost:4000/graphql. please check if the endpoint url is correct.

mongodb mongoose : find all docs where field doesn't exists, plus if field exists apply condition