Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. (more…)

A tutorial on how to use the components of the Python Click library to intuitively and easily build simple to complex command line interface (CLI) applications. This tutorial covers styling, passing context, creating your own pass decorators, nested comma... (more…)

emcee is an MIT licensed pure-Python implementation of Goodman & Weare’s Affine Invariant Markov chain Monte Carlo (MCMC) Ensemble sampler and these pages will show you how to use it. (more…)

Master Python virtual environments with conda, once and for all. Learn how to install conda from scratch, manage, and packaging virtual environments. (more…)

LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. (more…)