Software engineer building developer tools and AI integrations.https://jkomyno.dev/enMon, 13 Jul 2026 00:00:00 GMThttps://jkomyno.dev/writing/make-pbcopy-work-over-ssh-with-osc-52/https://jkomyno.dev/writing/make-pbcopy-work-over-ssh-with-osc-52/Keep GitHub credentials off a remote machine while letting an AI agent copy a PR body into your local pasteboard.Mon, 13 Jul 2026 00:00:00 GMT2026-07-13T00:00:00.000ZDev toolinghttps://jkomyno.dev/writing/why-jump-point-search-lost-to-a-lookup-table/https://jkomyno.dev/writing/why-jump-point-search-lost-to-a-lookup-table/The route optimizer benchmark track: JPS was a reasonable pathfinding choice, but precomputed Dijkstra tables, SlotId compression, and an exact ILP referee fit the warehouse better.Thu, 26 Feb 2026 00:00:00 GMT2026-07-05T00:00:00.000ZOptimizationAlgorithmsRusthttps://jkomyno.dev/writing/splitmix32-beautiful-randomness/https://jkomyno.dev/writing/splitmix32-beautiful-randomness/I went looking for a seeded PRNG in TypeScript and found splitmix32, a 32-bit pseudorandom number generator so elegant it made me want to understand every single bit.Fri, 27 Feb 2026 00:00:00 GMT2026-02-27T00:00:00.000ZAlgorithmsTypeScripthttps://jkomyno.dev/writing/a-warehouse-router-starts-with-a-barcode-scan/https://jkomyno.dev/writing/a-warehouse-router-starts-with-a-barcode-scan/How a barcode scan became a warehouse route: order lookup, slot choice, shelf ergonomics, and the graph hidden under a pick list.Wed, 25 Feb 2026 00:00:00 GMT2026-02-25T00:00:00.000ZOptimizationhttps://jkomyno.dev/writing/barcode-scanners-are-keyboards-with-extra-steps/https://jkomyno.dev/writing/barcode-scanners-are-keyboards-with-extra-steps/From bars and spaces to keystrokes in your input field. How UPC-A barcodes encode data, how scanners decode them, and why your barcode reader acts like a keyboard.Tue, 24 Feb 2026 00:00:00 GMT2026-02-24T00:00:00.000ZSystems engineeringhttps://jkomyno.dev/writing/investigating-createrequire-is-not-a-function/https://jkomyno.dev/writing/investigating-createrequire-is-not-a-function/Prisma's WASM query compiler failed in a Next.js 15 app because webpack transformed its `node:module` import.Fri, 20 Jun 2025 00:00:00 GMT2025-06-20T00:00:00.000ZDev toolingWebAssemblyhttps://jkomyno.dev/writing/stochastic-greedy-for-submodular-maximization/https://jkomyno.dev/writing/stochastic-greedy-for-submodular-maximization/Stochastic Greedy replaces greedy's full scan with random subsampling, reducing runtime from O(nk) to O(n ln(1/ε)) while losing only an additive ε in the approximation guarantee. This post covers the algorithm, its proof, and practical guidance.Tue, 15 Feb 2022 00:00:00 GMT2022-02-15T00:00:00.000ZOptimizationAlgorithmshttps://jkomyno.dev/writing/lazy-greedy-for-submodular-maximization/https://jkomyno.dev/writing/lazy-greedy-for-submodular-maximization/Lazy Greedy keeps the greedy algorithm's (1 - 1/e) guarantee while skipping most of its oracle calls. Submodularity makes stale marginal gains sound upper bounds, so a max-heap of them is enough to certify each pick.Fri, 11 Feb 2022 00:00:00 GMT2022-02-11T00:00:00.000ZOptimizationAlgorithmshttps://jkomyno.dev/writing/greedy-algorithm-for-submodular-maximization/https://jkomyno.dev/writing/greedy-algorithm-for-submodular-maximization/The greedy algorithm achieves a (1 - 1/e) approximation for monotone submodular maximization, provably the best any efficient algorithm can do. This post covers the algorithm, its proof, and when greedy fails.Tue, 08 Feb 2022 00:00:00 GMT2022-02-08T00:00:00.000ZOptimizationAlgorithmshttps://jkomyno.dev/writing/what-is-submodularity/https://jkomyno.dev/writing/what-is-submodularity/An introduction to submodular functions, the mathematical framework behind diminishing returns: set functions, marginal gains, and applications from sensor placement to influence maximization.Tue, 01 Feb 2022 00:00:00 GMT2022-02-01T00:00:00.000ZOptimizationAlgorithmshttps://jkomyno.dev/writing/react-native-fix-build-tools-too-low/https://jkomyno.dev/writing/react-native-fix-build-tools-too-low/A Gradle-based solution using afterEvaluate to permanently fix SDK Build Tools version mismatches across React Native Android dependencies.Thu, 14 Sep 2017 00:00:00 GMT2017-09-14T00:00:00.000ZDev tooling