Managed Futures ETFs Review
A look under the hood of ten managed futures ETFs, comparing net equity, bond, currency, and commodity exposure from fund filings
World Cup Prediction Markets Trade
Polymarket's 2026 World Cup winner markets don't quite add up — examining the trade, its cost, and its hidden risks
Near-Arbitrage on Net Worth Markets
A Polymarket market pricing Musk's net worth at 800b+ looks low — how mispriced is it, and can a hedged trade capture it?
Examining Parlays in Prediction Markets
How to value a parlay from its component bets, with a live Polymarket example and the pitfalls of correlation and proxy bets
Solving Dice Problems with Markov Chains
Two 5's or a 5 then 6: which dice pattern shows up first, and how many rolls does each take? Modeled with absorbing Markov chains
A New Way to Write Microservice Code
What if each function were its own microservice? Building a @microservice decorator with retries, scaling, and REST
Dealer Router Pattern in NNG
Emulating ZeroMQ's DEALER/ROUTER with NNG raw-mode sockets and pynng — message headers, polling, and tracking dealer identities
Problems with Proxying Images
A tour of imgproxy, imgix, ImageKit, and Optimole and where each falls short — plus an edge-based image proxy built to fix it
The Basketball Tryout
Four shots or six at a basketball tryout — what shooting percentage makes both options equally good? A binomial puzzle
FUSEing for Fun
dsfs: an append-only FUSE filesystem backed by Discord attachments, with log-structured writes, live sync, and automatic snapshots
Generating Images with Serverless
Rendering CS:GO crosshair images on Cloudflare Workers within 1 MB and 10 ms limits, encoding PNG pixels by hand
The Gambler's Ruin
Gamble with 3-to-1 odds and $2 in your pocket, playing until you go broke — is ruin guaranteed? Solved by simulation and algebra
Secret Sharing by Example
From a nuclear launch-code scenario to Shamir's scheme — secret sharing built up step by step with live demos in the browser
Algorithms in Javagony
Java with every control flow statement banned — algorithms built from clever tricks and obscure language features
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