Your server is running just fine, handling requests and sending responses. But then, ever so slowly, memory usage creeps up, and up, and up–until eventually your process runs out of memory and crashes. And then it restarts, and the leaking starts all over... (more…)

Python for Coding Interviews. Contribute to mmicu/python-for-coding-interviews development by creating an account on GitHub. (more…)

One of the most complicated concepts to wrap our heads around has to be recursion; to understand it well it always helps to have some sort of recursion visualization. In this essay, we build a super-simple yet effective visualizer for recursive functions ... (more…)

Learn how to build a website crawler for scraping at scale. Start by visiting pages one by one and scale up with parallel processing in a thread-safe way. (more…)

NSA releases Python course after receiving a Freedom of Information Act (FOIA) request for its training materials. (more…)