https://arustamov.dev/blog/Notes from production.enhttps://arustamov.dev/blog/quiet-bugs-in-inherited-scripts/https://arustamov.dev/blog/quiet-bugs-in-inherited-scripts/Sat, 31 Oct 2026 00:00:00 +0000None of them crashed anything. Each was a script doing almost the right thing, and people quietly working around it.https://arustamov.dev/blog/retry-safe-writes-on-bad-wifi/https://arustamov.dev/blog/retry-safe-writes-on-bad-wifi/Tue, 20 Oct 2026 00:00:00 +0000Duplicate records in a warehouse application are usually blamed on double taps. The real cause is a client that cannot tell a lost response from a failed write.https://arustamov.dev/blog/one-source-of-truth-for-authored-content/https://arustamov.dev/blog/one-source-of-truth-for-authored-content/Tue, 06 Oct 2026 00:00:00 +0000A game had its pose data in two files, an editor and a runtime. They drifted, and three unrelated looking bugs turned out to be one missing piece of data.https://arustamov.dev/blog/shipping-engineering-hygiene-into-an-erp/https://arustamov.dev/blog/shipping-engineering-hygiene-into-an-erp/Fri, 18 Sep 2026 00:00:00 +0000ERP customisation is usually written without tests, pipelines or documentation. Adding them is not ceremony, it is the reason a system survives its second year.