Top Articles of the Day | 30-Sep-2026
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AI & Data
Read this Hacker News article from jorgegarciaherrero.com.
The same primary key lookup took 1.2 ms and 2841.2 ms, seven hundred milliseconds apart. Postgres queues lock requests in arrival order, so a blocked ALTER TABLE blocks the readers behind it.
I threw 629 real AgentDojo attacks at 10 open-source prompt-injection detectors — buried inside ordinary tool output, the way an agent firewall actually sees them. Most are smoke alarms that either sleep through the fire or scream at your toast. Then I tuned the thresholds and the whole leaderboard
Product
A memory system can retrieve a hundred relevant facts and still make someone less prepared for a...
Oh my god, Firebase’s SDK started to crash ALL iOS apps that were using it, for ALL sessions, just like that, no way for any of these apps to do anything… How amateur is all of this from any SDK, but especially one from a company with as high of an engineering bar like Google…
A good password reset flow helps a person regain access without revealing whether an account exists....
Programming
AI can generate the implementation. Your architecture still has to decide what that implementation is...
AI is moving relatively fast, despite being slow down. Yes, it feels like there's a new concept to...
I use AI constantly when I code and when I write. I use it to research ideas, plan code, debug,...
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