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← Duplication is cheaper than the wrong abstraction, so code should not…
17 connected korrents · 15 moments on record from 12 Feb 2010 to 3 Sept 2026.
Everything filed under coding agents
coding agents
Everything filed under taste
taste
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Anthropic
Everything filed under software performance
software performance Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do. Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do. Last stated 11 years ago
20 Jan 2016
SM
Sandi Metz — holds since 2016-01-20 — tap for who they are
CM
Casey Muratori — holds since 2014-05-28 — tap for who they are
Same subject: Code written to be reusable before there is anything reusing it is likely to be reusable in the wrong way. — tap to centre the map on it Code written to be reusable before there is anything reusing it is likely to be reusable in the wrong way. Last stated 12 years ago
28 May 2014
CM
Casey Muratori — holds since 2014-05-28 — tap for who they are
Same subject: When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is. — tap to centre the map on it When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is. Last stated 11 years ago
20 Jan 2016
SM
Sandi Metz — holds since 2016-01-20 — 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 to Rust is not the code but the shape of their data. Last stated 4 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. — tap to centre the map on it Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. Last stated 2 weeks ago
26 Aug 2026
DH
David Heinemeier Hansson — holds since 2026-08-26 — tap for who they are
Same subject: The programming practices taught as best practice are ruinous for performance and should not be followed. — tap to centre the map on it The programming practices taught as best practice are ruinous for performance and should not be followed. Last stated 4 years ago
28 Feb 2023
CM
Casey Muratori — holds since 2023-02-28 — tap for who they are
Same subject: What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs. — tap to centre the map on it What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs. Last stated 2 weeks ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: You can now generate ten thousand variants of a function faster than you could write it once, and that economics pushes software towards replacement rather than repair. — tap to centre the map on it You can now generate ten thousand variants of a function faster than you could write it once, and that economics pushes software towards replacement rather than repair. Last stated 4 weeks ago
12 Aug 2026
CM
Charity Majors — holds since 2026-08-12 — tap for who they are
Same subject: An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is. — tap to centre the map on it An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is. Last stated 12 months ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down. — tap to centre the map on it A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down. Last stated 5 months ago
25 Mar 2026
MZ
Mario Zechner — holds since 2026-03-25 — tap for who they are
Same subject: A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on. — tap to centre the map on it A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on. Last stated 5 days ago
3 Sept 2026
DR
Dax Raad — holds since 2026-09-03 — tap for who they are
Same subject: A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its tasks are so legible and verifiable. — tap to centre the map on it A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its tasks are so legible and verifiable. Last stated 4 weeks ago
14 Aug 2026
SP
Sunil Pai — holds since 2026-08-14 — tap for who they are
Same subject: A first draft should not be graded good or bad; it is only the material that taste then gets to act on. — tap to centre the map on it A first draft should not be graded good or bad; it is only the material that taste then gets to act on. Last stated a month ago
6 Aug 2026
GS
George Saunders — holds since 2026-08-06 — tap for who they are
Same subject: A lot of people can match a framework for taste; almost nobody can create one, and creating one is the rare skill. — tap to centre the map on it A lot of people can match a framework for taste; almost nobody can create one, and creating one is the rare skill. Last stated 11 months ago
16 Oct 2025
DF
Dylan Field — holds since 2025-10-16 — tap for who they are
Same subject: A product needs a soul, and for that it needs one person of great taste who is its living, breathing aspect and gets furious about every small detail. — tap to centre the map on it A product needs a soul, and for that it needs one person of great taste who is its living, breathing aspect and gets furious about every small detail. Last stated 17 years ago
12 Feb 2010
KS
Karri Saarinen — holds since 2010-02-12 — tap for who they are
Same subject: A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year. — tap to centre the map on it A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year. Last stated 5 days ago
3 Sept 2026
DR
Dax Raad — holds since 2026-09-03 — tap for who they are
Same subject: A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces. — tap to centre the map on it A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces. Last stated 6 days ago
2 Sept 2026
SW
Simon Willison — holds since 2026-09-02 — tap for who they are
Same subject: A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares. — tap to centre the map on it A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares. Last stated 4 months ago
10 May 2026
ER
Eric Ries — holds since 2026-05-10 — tap for who they are
At the centre
Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do.
Holds SM Sandi MetzCM Casey MuratoriRead this korrent →
Code written to be reusable before there is anything reusing it is likely to be reusable in the wrong way.
Holds CM Casey Muratori
When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is.
Holds SM Sandi Metz
What trips up newcomers to Rust is not the code but the shape of their data.
Holds AR Alice Ryhl
Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive.
Holds
The programming practices taught as best practice are ruinous for performance and should not be followed.
Holds CM Casey Muratori
What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs.
Holds CM Casey Muratori
You can now generate ten thousand variants of a function faster than you could write it once, and that economics pushes software towards replacement rather than repair.
Holds CM Charity Majors
An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is.
Holds
A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down.
Holds
A coding-agent company should not train its own model: it has to stay neutral ground for models to compete on.
Holds
A machine can complete the task and completely miss the job -- coding makes this easy to see precisely because its tasks are so legible and verifiable.
Holds
A first draft should not be graded good or bad; it is only the material that taste then gets to act on.
Holds GS George Saunders
A lot of people can match a framework for taste; almost nobody can create one, and creating one is the rare skill.
Holds DF Dylan Field
A product needs a soul, and for that it needs one person of great taste who is its living, breathing aspect and gets furious about every small detail.
Holds KS Karri Saarinen
A benchmark that ranks Claude Code last while it stays first in use is measuring the wrong thing, and has been for a year.
Holds
A language model asked to summarize its own system prompt risks that prompt's content biasing the summary it produces.
Holds
A trust that owns the mission protects a company better than founder control does, which is why Anthropic needs no dual-class shares.
Holds ER Eric Ries