Book · 120 pages

Tidy First? A Personal Exercise in Empirical Software Design

Kent Beck · O'Reilly Media (Kent Beck) Paid Intermediate

Beck argues for small, cheap tidyings over grand restructurings, and gives you a way to reason about when cleanup is worth it. He frames design as a series of reversible decisions with real costs and options, which is exactly the mindset to resist a premature rebuild. Short and practical for a founder who codes.

  • Prefer small reversible tidyings over large restructurings
  • Only tidy where it makes the next change easier
  • Treat design choices as economic decisions, not aesthetics
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It answers 2 questions

  1. We ship fast but our codebase is turning into a mess. How much should a two-person startup care about tech debt?
  2. When is the right moment to stop iterating on the MVP and rebuild it properly, and how do I avoid the second-system rewrite trap?

Read with it

  1. The permission slip to recruit users by hand, do things manually, and deliver 'insanely great' experiences to your first few... paulgraham.com Essay · ~15 min read Do Things That Don't Scale Paul Graham
  2. Michael Seibel, who ran YC, makes the blunt case for shipping something almost embarrassingly simple and learning from real... Y Combinator Startup Library Video · ~10 min video How to Build an MVP Michael Seibel
  3. This is the canonical warning against throwing away working code and rebuilding from scratch, told through Netscape's rewrite... Joel on Software Essay · ~10 min read Things You Should Never Do, Part I Joel Spolsky
  4. This is the canonical explanation of what a reviewer actually means when they flag your inherited code as risky. Fowler frames... martinfowler.com Essay · About a 10 minute read Technical Debt Martin Fowler
  5. This is the canonical framing for exactly your question: not all messy code is the same. Fowler splits debt on two axes,... martinfowler.com Essay · About a 5 minute read Technical Debt Quadrant Martin Fowler
  6. Video · 5 min Debt Metaphor Ward Cunningham
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