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Optimizing Rails Tests at Doctolib Scale – On Rails

https://onrails.buzzsprout.com/2462975/episodes/17891804-florent-beaurain-optimizing-rails-tests-at-doctolib-scale
2•robbyrussell•2h ago

Comments

robbyrussell•1h ago
Florent's team realized their test suite wasn’t just slowing down developers...it was draining focus, momentum, and budget. The root cause? Decisions that quietly piled up over time. Too many factories. Skipped Rails defaults. A bloated CI setup.

So they hit pause, revisited the basics, and started stripping away what wasn’t helping.

This is a case study in technical maturity. A story of how slowing down just enough can help a fast-moving team go further. Worth sharing with your peers.

The Day I Stopped Copy-Pasting Pro Numbers and Started Using ShipmentTrack

https://shipmenttrack.us/
1•nmfccodes•56s ago•1 comments

Rating 26 years of Java changes

https://neilmadden.blog/2025/09/12/rating-26-years-of-java-changes/
1•jicea•1m ago•0 comments

Crisis in Sudan: What is happening and how to help

https://www.rescue.org/article/crisis-sudan-what-happening-and-how-help
1•mhb•1m ago•1 comments

Glasses are the future, but that future is bleak

https://bhardwajrish.blogspot.com/2025/10/glasses-are-future-but-that-future-is.html
1•crearo•1m ago•0 comments

Microsoft blocks more Microsoft Account bypasses on Windows 11

https://www.windowscentral.com/microsoft/windows-11/microsoft-triples-down-and-blocks-even-more-m...
1•colejohnson66•3m ago•0 comments

Profiteers or keeping the lights on? The power plants that make millions a day

https://www.theguardian.com/business/2025/sep/27/power-plants-gas-generators-profits
1•PaulHoule•3m ago•0 comments

Jony Ive Says He Wants His OpenAI Devices to 'Make Us Happy

https://www.wired.com/story/sam-altman-and-jony-ives-ai-device-dev-day/
2•fork-bomber•4m ago•0 comments

Pilots Demand India Ground Boeing 787s to Investigate Use of Emergency System

https://www.nytimes.com/2025/10/06/world/asia/air-india-boeing-planes.html
1•vinni2•6m ago•0 comments

The War over Defense Tech

https://www.nybooks.com/online/2025/10/04/the-war-over-defense-tech/
2•mitchbob•6m ago•1 comments

Canadian bill would strip internet access from 'specified persons', no warrant

https://nationalpost.com/opinion/canadian-bill-would-strip-internet-access-from-specified-persons
1•walterbell•6m ago•1 comments

As forests are cut down, butterflies are losing their colours

https://www.theguardian.com/environment/2025/oct/06/butterflies-losing-colour-cutting-down-tropic...
2•binning•7m ago•0 comments

Evidence That Shrouds Increase Corsi-Rosenthal Box Performance

https://chillphysicsenjoyer.substack.com/p/evidence-that-shrouds-increase-cr
1•crescit_eundo•7m ago•0 comments

Are You a 'Heritage American'?

https://www.theatlantic.com/technology/2025/10/heritage-americans-nativist-right/684472/
2•loughnane•9m ago•0 comments

Open Source Unified SDK for Prediction Markets

https://github.com/ashercn97/predmarket
1•ashersopro•10m ago•0 comments

Renewables overtake coal as biggest source of electricity

https://www.bbc.co.uk/news/articles/cx2rz08en2po
3•lifeisstillgood•10m ago•0 comments

Recruiters Use A.I. To Scan Résumés. Applicants Are Trying to Trick It

https://www.nytimes.com/2025/10/07/business/ai-chatbot-prompts-resumes.html
1•frenchman_in_ny•12m ago•0 comments

The "Gone Too Soon" Movie Star Hall of Fame: A Statistical Analysis

https://www.statsignificant.com/p/the-gone-too-soon-movie-star-hall
1•speckx•12m ago•0 comments

disk-perf-git-and-pnpm aims to prove that something is wrong with APFS on macOS

https://github.com/NullVoxPopuli/disk-perf-git-and-pnpm
1•robin_reala•12m ago•0 comments

Show HN: 3D tool to arrange packages inside a box

https://specterstack.com/
1•mrameezraja•17m ago•0 comments

How to Enjoy Long, Large and Complex Strategy Games

https://www.youtube.com/watch?v=4Or-fNLzckc
1•supersrdjan•19m ago•0 comments

Why authorization for LLMs is hard

https://www.osohq.com/post/why-llm-authorization-is-hard
1•meghan•19m ago•0 comments

How to *actually* test your readme

https://shkspr.mobi/blog/2025/10/how-to-actually-test-your-readme/
2•ColinWright•20m ago•0 comments

DIY infrastructure is what's causing you to fail

https://tower.dev/blog/data-engineers-deserve-better-data-infrastructure
1•readmyblogplz•20m ago•0 comments

There Are Two Economies: A.I. and Everything Else

https://www.nytimes.com/2025/10/06/opinion/ai-growth-economy-jobs-tariffs.html
3•ripe•21m ago•0 comments

Claude.md Entries That Turned My Claude Code Sessions into a Superpower

https://alirezarezvani.medium.com/10-game-changing-claude-md-entries-that-turned-my-claude-code-s...
1•nginity•22m ago•1 comments

Virtual Sovereignty: Private Internet Capital and Infrastructural Power in U.S.

https://academic.oup.com/ia/article/98/6/1977/6783036
1•Brysonbw•28m ago•1 comments

Simplicity: Sustainable, humane, effective software development by Dave Thomas

https://pragprog.com/titles/dtcode/simplicity/
1•ksec•28m ago•0 comments

Show HN: Cjam – a modern MP3 file editor

https://github.com/cutandjoin/Cjam/releases/tag/v2230
1•cutandjoin•30m ago•0 comments

Xkcd 323 and Conscience Masturbation

https://monocyte.blog/xkcd-323-and-conscience-masturbation/
1•surprisetalk•30m ago•0 comments

Conspiracy physics and you (and also me) [video]

https://www.youtube.com/watch?v=miJbW3i9qQc
1•surprisetalk•30m ago•0 comments