Piotr Ch @p_ch

I apologize for the confusion. ptrchm.com Warsaw, Poland Joined February 2008

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Paul Graham @paulg

3 weeks ago

A Palestinian child's life is worth as much as an Israeli child's life.

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Piotr Ch @p_ch

4 weeks ago

Got a chance to drive a Tesla (the new Y) and now my car feels like going back to a Nokia after playing with an iPhone in 2007…

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Kai Fall @kai_fall

a month ago

friendly reminder

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The unsexy truth for the build in public hypeboys is that its not a lot of work or time to get a sexy demo, but it is a lot of work and time to translate that into meaningful value (a lot of that being non-technical). And I see too many people repeatedly celebrating the demo.…

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Mitchell Hashimoto @mitchellh

a month ago

Be wary of people who spew AI hype and screenshot their army of agents but don't seem to be shipping anything but demos. I'm a big fan of AI assistance and use agents and chat everyday, but there's a ton of engagement farming happening out there.

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Piotr Ch @p_ch

a month ago

Coding interviews in 2025, as witnessed recently: - transcription of the call running on 2nd screen - LLM helps answer the questions For now, it’s pretty obvious when it happens, but soon we’ll be back to in-person interviews…

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Piotr Ch @p_ch

a month ago

Almost had a heart attack when Postgres said all production tables were suddenly gone... Yesterday I ran: `psql < dump.sql` on the production db to move two small tables (~2K records) from another db and the Rails app started throwing errors: PG::UndefinedTable: ERROR:…

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Piotr Ch @p_ch

2 months ago

TIL that a buggy Ruby Regex can eat up 100% of CPU, block Puma threads and effectively cause a Rails app to DoS itself. App started consuming 100% CPU on all threads, no idea why. Puma had to be SIGKILL'ed multiple times a day to work again. Spent some time with Claude tracking…