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← TDD fell out of fashion partly because its advocates turned it into a…
17 connected korrents · 15 moments from 5 Oct 2017 to 12 Sept 2026.
Everything filed under software quality
software quality
Everything filed under coding agents
coding agents
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developer tools
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code generation
Everything filed under formal proof
formal proof
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Read this korrent: TDD fell out of fashion partly because its advocates turned it into a moral test of professionalism, when people write very good software with a wide variety of workflows.
TDD fell out of fashion partly because its advocates turned it into a moral test of professionalism, when people write very good software with a wide variety of workflows.
Last stated 4 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: TDD earns its keep only where work alternates rapidly between doing and learning; choosing it is a practical decision, never a moral one. — tap to centre the map on it
TDD earns its keep only where work alternates rapidly between doing and learning; choosing it is a practical decision, never a moral one.
Last stated 4 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: Test-driven development matters more with coding agents than it ever did with people, because its real effect is stopping the agent writing more code than the task needs. — tap to centre the map on it
Test-driven development matters more with coding agents than it ever did with people, because its real effect is stopping the agent writing more code than the task needs.
Last stated 7 months ago
19 Mar 2026
SW
Simon Willison — holds since 2026-03-19 — tap for who they are
Same subject: Engineers are sceptical of formal methods because they were burned by CASE and UML, sold as miracle solutions and imposed on them regardless of fit. — tap to centre the map on it
Engineers are sceptical of formal methods because they were burned by CASE and UML, sold as miracle solutions and imposed on them regardless of fit.
Last stated 3 months ago
29 Jul 2026
HW
Hillel Wayne — holds since 2026-07-29 — tap for who they are
Same subject: Unit testing frameworks arrived so late because testing was a status divide, and testers had every incentive to keep a separate tool and language of their own. — tap to centre the map on it
Unit testing frameworks arrived so late because testing was a status divide, and testers had every incentive to keep a separate tool and language of their own.
Last stated 4 months ago
1 Jul 2026
KB
Kent Beck — holds since 2026-07-01 — tap for who they are
Same subject: Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's. — tap to centre the map on it
Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's.
Last stated 6 years ago
20 Jan 2021
HW
Hillel Wayne — holds since 2021-01-20 — tap for who they are
Same subject: Unit tests alone give little confidence in a program, because the mistakes people actually make are not the conveniently unit-testable ones. — tap to centre the map on it
Unit tests alone give little confidence in a program, because the mistakes people actually make are not the conveniently unit-testable ones.
Last stated 9 years ago
5 Oct 2017
HW
Hillel Wayne — holds since 2017-10-05 — tap for who they are
Same subject: Software is going through a fast-fashion phase where projects are thrown away if nobody uses them at once; builders should have conviction and work on things longer. — tap to centre the map on it
Software is going through a fast-fashion phase where projects are thrown away if nobody uses them at once; builders should have conviction and work on things longer.
Last stated 4 months ago
12 Jun 2026
BV
Ben Vinegar — holds since 2026-06-12 — tap for who they are
Same subject: Much of the wisdom programmers pass on to each other is nonsense that nobody ever tested, and refusing to be dogmatic about untested practice is what marks out a good engineer. — tap to centre the map on it
Much of the wisdom programmers pass on to each other is nonsense that nobody ever tested, and refusing to be dogmatic about untested practice is what marks out a good engineer.
Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: A model can now port essentially any codebase from one programming language to another, work that used to take a team over a year. — tap to centre the map on it
A model can now port essentially any codebase from one programming language to another, work that used to take a team over a year.
Last stated 3 months ago
27 Jul 2026
BC
Boris Cherny — holds since 2026-07-27 — tap for who they are
Same subject: Agents are the new compilers that compile intent into fast software. — tap to centre the map on it
Agents are the new compilers that compile intent into fast software.
Last stated a month ago
12 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-12 — tap for who they are
Same subject: AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much. — tap to centre the map on it
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated 3 months ago
26 Jul 2026
DH
David Heinemeier Hansson — holds since 2026-07-26 — tap for who they are
Same subject: "I don't know" becomes a kind of superpower when you can work with Claude Code to figure things out. — tap to centre the map on it
"I don't know" becomes a kind of superpower when you can work with Claude Code to figure things out.
Last stated 7 months ago
19 Mar 2026
KP
Kris Puckett — holds since 2026-03-19 — 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 7 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 2 months ago
3 Sept 2026
DR
Dax Raad — holds since 2026-09-03 — tap for who they are
Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. — tap to centre the map on it
A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
Last stated a year ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: A new API framework that ignores how existing apps were historically built undermines its own introduction — tap to centre the map on it
A new API framework that ignores how existing apps were historically built undermines its own introduction
Last stated 2 months ago
31 Aug 2026
CH
Craig Hockenberry — holds since 2026-08-31 — tap for who they are
same subject or similar wording a cloud: claims about one subject, named for it bar: when it was last stated, on a scale from 2015 to today — full is today a face: someone who holds the claim — tap it for who they are