Finally understood the effect of the anomaly.

I've been working on a project with Python recently and it's really cool to find a GC project.

Remember before looking at the design and evolution of the <<c++ program >>, the father of C + + said that the first occurrence of the exception is for fault tolerance, not to replace the error handling mechanism

Http://www.cnblogs.com/linyilong3/p/3724006.html

But then I feel that the exception is because of C + + resource problems, so I always do not like to use the exception

Recently with Python, found that the exception appears, jump directly to the designated place to deal with, anyway, do not have to manage resources, if it is file resources, and so on, with the statement can be

Finally understood the effect of the anomaly.