Tag: engineering-stories

4 posts

Many dots, do not a query make

How a long sequence of dots allowed a regex to reach its internal stack limit.

To throw or not to throw, that is the question

What are namespaces and special pages on Wikipedia? Why do we accept invalid data? And, at what layer should we reject it?

Tomorrow, may be sooner than you think

These are stories from bug hunts and incident investigations at Wikipedia.