Kategorie: Programmiersprachen

  • Exception Chaining in Python 3

    How can I raise an exception in Python and attach another exception as extra info.That’s called exception chaining. (This article is AI generated. I’ll rewrite it on occasion.) 1. Using raise … from … Output: → from e attaches the original exception as __cause__. 2. Using raise … inside an except block (implicit chaining) Python…

  • An Introduction to Type Systems

    A type system governs how values are classified and how operations can be performed on these values, enforcing rules to prevent errors. Type systems are also used to enable method and operation overloading, to influence the control flow of a program, allow auto completion and hinting and to provide additional information used to generate code,…