Data Scientisthttps://elizabethwillard.github.io/https://elizabethwillard.github.io/blog/slicker_python/https://elizabethwillard.github.io/blog/slicker_python/A personal overview of a modern Python development setup using UV, Ruff, Marimo, Polars, and Claude Code, plus a brief update on side projects and learning goals.Thu, 18 Jun 2026 00:00:00 GMTTechnicalhttps://elizabethwillard.github.io/blog/computer_instruction_set_architecture/https://elizabethwillard.github.io/blog/computer_instruction_set_architecture/Part 2 of a series on computer architecture, tracing the historical evolution of x86/x64, ARM (32- and 64-bit), and the open-source RISC-V through to the processors powering modern devices.Sun, 10 Nov 2024 00:00:00 GMTTechnicalhttps://elizabethwillard.github.io/blog/computer_organization_and_instruction_set_architecture/https://elizabethwillard.github.io/blog/computer_organization_and_instruction_set_architecture/An introduction to computer architecture fundamentals covering Von Neumann vs. Harvard organization, CISC vs. RISC instruction sets, and how modern processors like Apple's M-series fit into this taxonomy.Fri, 02 Aug 2024 00:00:00 GMTTechnicalhttps://elizabethwillard.github.io/blog/using_githubactions_with_ecr_and_ec2/https://elizabethwillard.github.io/blog/using_githubactions_with_ecr_and_ec2/A walkthrough of a GitHub Actions CI/CD workflow that builds a Dockerized Streamlit app, pushes it to Amazon ECR, and deploys it behind an NGINX reverse proxy on EC2.Mon, 15 Apr 2024 00:00:00 GMTtechnicalhttps://elizabethwillard.github.io/blog/starting-ec2-with-jupyter-hub/https://elizabethwillard.github.io/blog/starting-ec2-with-jupyter-hub/A step-by-step guide to launching an AWS EC2 instance running The Littlest JupyterHub, including network configuration, key pairs, and user-data setup.Wed, 07 Feb 2024 00:00:00 GMTtechnicalhttps://elizabethwillard.github.io/blog/learningaboutrl/https://elizabethwillard.github.io/blog/learningaboutrl/A ground-up explanation of reinforcement learning fundamentals, policy gradients, and how proximal policy optimization (PPO) is used to align large language models with human feedback.Thu, 04 Jan 2024 00:00:00 GMTTechnicalhttps://elizabethwillard.github.io/blog/dyeing-linen/https://elizabethwillard.github.io/blog/dyeing-linen/A first-hand account of hand-dyeing a yard of linen using Procion MX dye, including how to calculate dye quantities and make soda ash from baking soda.Mon, 25 Dec 2023 00:00:00 GMTpersonalhttps://elizabethwillard.github.io/blog/learningaboutdotnet/https://elizabethwillard.github.io/blog/learningaboutdotnet/A practical walkthrough of C# for Python developers, covering task-based async patterns, file input classes, and building a .NET console application.Thu, 21 Dec 2023 00:00:00 GMTTechnical