Haven't followed Airdrop for a long time. Indeed, for myself, there are many things about Airdrop that make me lazy to follow it. Because various kinds of things have been felt and passed about the word

Premature optimization is the root of all evil.

Some books look so beautiful on the shelf. Not only for their aesthetic virtues, but for what their spines say about the owner. The four hardbound volumes of Donald Knuth’s “The Art of Computer