For function f: f= O(g) (Big-O) means that \exists k \in \R_{0},(\exists n_0 \in \N(\forall n\in \N. (n > n_0\implies f(n)\le kg(n)))) we can use big-
Shell is a program that infinite looped to execute and interpreter command. It likes: id1([Print Prompt]) -> id2([Read a Command]) -> id3([Parse Comma
Most programming languages support the following bitwise operations (note that the following numbers are all in binary): Symbol Description <
The "I/O" standards input and output, and they usually refer to system stdin and stdout . Format For convenience reason, we want to quick read/write v
Git for GitHub To avoid having to enter a password every time you do push/merge/rebase, you can use git remote set-url origin https://username:<MYTOKE
SSH Key Generate Configure ssh for password-free quick connection. First check the ~/.ssh/ folder on the local. If you have not generated id_rsa relat