虽然代码有时候还比较粗糙，但是通常都非常有用，文章本身就是围绕代码构建的，在给出代码的同时进行了解释。

The code is sometimes unpolished, sometimes too specific, but it's always useful, and the article itself simply builds up to the code, presenting it with an explanation.

youdao

代码写的比较粗糙望不要见笑。

Code is written in a rough look not laughed.

youdao