This is like a data collection step for a much bigger problem. You might want to do some form of analysis of the stories being posted on HackerNews or see which user has received the most upvotes in the past year. To do anything like that, we need the dat... (more…)

Every time you create an instance of a class in Python, you are using up some memory–including overhead that might actually be larger than the data you care about. Create a million objects, and you have a million times the overhead. And that overhead can ... (more…)

This guide is a comprehensive resource for contributing to Python – for both new and experienced contributors. It is maintained by the same community that maintains Python. We welcome your contributions to Python! (more…)

Metaclasses - are they useful at all outside job interviews or conference talks? Let's find out! This article will show you 5 applications of metaclasses. %... (more…)

Subscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on ... (more…)