A tutorial explaining how to handle exceptions in Python using try, except, and finally clauses with practical examples.
Explains the Python 'with' statement for safe file handling, preventing corruption by automatically closing files even during exceptions.
![Why del defaultdict()[k] should raise an error](https://alldevblogs.blob.core.windows.net/thumbs/article-46adb8dd57bd-full-08142282.webp)
Explains why deleting a non-existent key from a Python defaultdict should raise a KeyError to prevent silent bugs, aligning with Python's design philosophy.
Explains a Rhino Mocks unit testing exception and solution for methods requiring a return value.
A developer investigates and explains a transactional test failure when migrating the Hades project to Spring 3 M3, tracing it to a rollback flush.
