In this step-by-step tutorial, you'll learn how the Python defaultdict type works and how to use it for handling missing keys when you're working with dictionaries. You'll also learn how to use a defaultdict to solve problems like grouping or counting the... (more…)

For Mathematics, trees are more useful than strings. Professor Thorsten Altenkirch takes us through a functional approach to coding them in Python. Thorsten'... (more…)

whitepy - Whitespace interpreter written in Python3... (more…)

Hello! As a precursor to writing a Ruby profiler I wanted to do a survey of how existing Ruby & Python profilers work. This also helps answer a question a lot of folks have been asking me, which is “How do you write a profiler?”... (more…)

There are many ways to handle Python app dependencies with Docker. Here is an overview of the most common ones – with a twist. (more…)