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← The first move on a legacy code base is tests you can trust, before a single line of the code itself is changed.

8 connected korrents · 7 moments on record from 29 Jun 2023 to 15 Jul 2026.

Same subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subject Read this korrent: The first move on a legacy code base is tests you can trust, before a single line of the code itself is changed. The first move on a legacy code baseis tests you can trust, before asingle line of the code itself ischanged. GH George Hotz — holds since 2023-06-29 — tap for who they are Same subject: He runs tests locally and pushes straight to main, DHH-style; there is no develop branch and main should always be shippable. — tap to centre the map on it He runs tests locally andpushes straight to main,DHH-style; there is no developbranch and main should always… PS Peter Steinberger — holds since 2026-02-12 — tap for who they are Same subject: Redefining the engineer's job as building guardrails is not novel — it is the same problem as making a junior engineer effective, which we never solved either. — tap to centre the map on it Redefining the engineer's jobas building guardrails is notnovel — it is the same problemas making a junior engineer… DR Dax Raad — holds since 2026-05-27 — tap for who they are Same subject: Keeping a codebase clean now pays off directly rather than aesthetically, because a coding agent will copy the patterns already in it almost exactly. — tap to centre the map on it Keeping a codebase clean nowpays off directly rather thanaesthetically, because acoding agent will copy the… SW Simon Willison — holds since 2026-03-19 — tap for who they are Same subject: A language-agnostic conformance suite is the most powerful thing you can hand a coding agent, because the whole instruction becomes: write code until these tests pass. — tap to centre the map on it A language-agnosticconformance suite is the mostpowerful thing you can hand acoding agent, because the… SW Simon Willison — holds since 2026-03-19 — tap for who they are Same subject: What trips up newcomers to Rust is not the code but the shape of their data. — tap to centre the map on it What trips up newcomers toRust is not the code but theshape of their data. AR Alice Ryhl — holds since 2026-05-20 — tap for who they are Same subject: Nobody has found keeping specs and code in sync worth the upkeep; the code stays the source of truth. — tap to centre the map on it Nobody has found keeping specsand code in sync worth theupkeep; the code stays thesource of truth. DH Dex Horthy — holds since 2026-07-15 — tap for who they are Same subject: A compiler that names every place a change breaks turns refactoring into fixing errors until the compiler stops shouting. — tap to centre the map on it A compiler that names everyplace a change breaks turnsrefactoring into fixing errorsuntil the compiler stops… AR Alice Ryhl — holds since 2026-05-20 — tap for who they are Same subject: In an agent-written codebase the agent-written tests are equally untrustworthy; manually using the product is the only reliable measure of whether it works. — tap to centre the map on it In an agent-written codebasethe agent-written tests areequally untrustworthy;manually using the product is… MZ Mario Zechner — holds since 2026-03-25 — tap for who they are
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At the centre The first move on a legacy code base is tests you can trust, before a single line of the code itself is changed. Holds George Hotz Read this korrent →