实际上，只需要更改一行然后重新编译。

Indeed, it only requires changing one line and recompiling.

youdao

如果你写一个程序，检测，然后重新编译。

If you're writing a program and you're testing it and recompiling.

youdao

如果有错误发生，进行必要的修改，然后重新编译项目并重新测试。

If errors occur, make any necessary modifications and then recompile the project and re-test.

youdao

If you're writing a program and you're testing it and recompiling.

如果你写一个程序,检测，然后重新编译。

哈佛公开课 - 计算机科学课程节选