But it is conventional wisdom that the use of globals is a bad programming practice.

但是，传统观点是全局使用是一个糟糕的编程实践。

youdao

This principle is manifested in practices such as the continual refactoring practice of eXtreme Programming (XP).

比如在极限编程(XP)不断的重构实践中这个原理就会十分明显。

youdao

That practice defeats the purpose of stateless programming because you do need to hold resources for each connected user.

这种做法破坏了无状态编程的优势，因为需要为每个连接的用户占用一定的资源。

youdao

But here's where I'm going to practice a little bit of defensive programming.

但是这儿我们要把编程的,防御性做的好一些。

麻省理工公开课 - 计算机科学及编程导论课程节选