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can use to manipulate graphics and images.

behavior of an existing object.

A proxy is an object that controls access to another object, called a subject.

// .

that can be "composed" together to build new enhanced functions.

object-oriented design, for its simplicity, usability, and small surface area.

The reactor pattern and libuv and the basic building blocks of Node.

有有我之境，有无我之境。

而头顶是金色的太阳。