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Slop on Sale
October 6, 2026
Continued attempts to understand and mitigate slop, this time with Claude Haiku 4.5 and GPT-5 Mini
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Can My Puzzle Write-ups 'Lift' Cheap LLMs?
September 28, 2026
Evaluating if my puzzle solutions help Haiku 4.5 and Sonnet 5 solve Jane Street puzzles.
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"Please Remove All Mannered Prose" and Other LLM Incantations
September 8, 2026
Measuring how style prompts like "avoid mannered prose" shift a LLM's internal state and its outputs.
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Jane Street's Andy's Afternoon Amble Puzzle: Geometry and Random Walks on Honeycomb Tiles
September 1, 2026
Solving Jane Street's Andy's Afternoon Amble puzzle.
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Longest Straightest Road in Atlanta
August 31, 2026
Finding the longest, straightest line in Atlanta from Census TIGER data. Fun with Pareto fronts.
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Jane Street's ‘Pent-Up’ Frustration 3 / Knight Moves 7 Puzzle: Constraint Satisfaction and Backtracking
August 1, 2026
Solving Jane Street's ‘Pent-Up’ Frustration 3 / Knight Moves 7 puzzle with backtracking depth-first search.
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Estimating disease prevalence by fusing pooled and individual testing
July 24, 2026
Turning our arXiv paper into an interactive walk-through. Combine pooled and individual disease tests into a single closed-form Bayesian posterior for population prevalence sans MCMC.
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Jane Street's Robot Baseball Puzzle: Markov Games and Golden Section Search
July 22, 2026
Solving Jane Street's Robot Baseball puzzle with Markov game analysis and golden section search, an enjoyable mix of symbolic math and numerical methods.
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Hybrid dApps: Implementing Sign-In with Ethereum in Django
October 4, 2025
Learn how to implement Sign-In with Ethereum (SIWE) authentication in Django with a custom user model, verification logic, an authentication backend, and login views.
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Web Dev for Dirtbags Part 3: VPS Security
September 3, 2025
Learn some easy steps to harden your web server's security.
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Web Dev for Dirtbags Part 2: Deploying a Django + React Web App
September 2, 2025
Learn to host a React + Django web app under your own domain name on your own server.
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Web Dev for Dirtbags Part 1: Basics and Static Sites
August 27, 2025
Learn to host a static webpage under your own domain name on your own server.