You also created the user registration and login process, adding user information to the database and pulling it back out again.

我们还创建了用户注册和登录过程，将用户信息添加到数据库中并重新获取这些信息。

youdao

The power from the engine pushes the car forward from the back wheels instead of pulling it forward with the front wheels.

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And so if we wanted to do this here, it's again, the same thing we're just now pulling back this layer and calling them char *s not actually strings.

如果我们想要在这里这样做，再次，我们撤销这一层,把它们叫做char，*s，实际上不是字符串。

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