Tighten up your code and identify errors before they occur with mypy. I've been using dynamic languages—Perl, Ruby and Python—for many years. I love the flexibility and expressiveness that such ...

Testing functions isn't hard, but how do you test user input and output? In my last article, I started looking at "pytest", a framework for testing Python programs that's really changed the way I look ...

Whether you’re building a chip or an airplane, you need to measure the effectiveness of the product at each step of the manufacturing process, much like you do with developing software. Flojoy, an ...