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Hacker News (19 Oct 2025)

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1. Replacement.ai

   925 points • 613 comments • oct 19, 2025

2. Doing well in your courses: Andrej's advice for success (2013)

   443 points • 143 comments • oct 19, 2025

3. OpenAI researcher announced GPT-5 math breakthrough that never happened

   380 points • 205 comments • oct 19, 2025

4. Xubuntu.org Might Be Compromised

   320 points • 136 comments • oct 19, 2025

5. Novo Nordisk's Canadian Mistake

   293 points • 142 comments • oct 19, 2025

6. Airliner hit by possible space debris

   251 points • 131 comments • oct 19, 2025

7. US Government Uptime Monitor

   188 points • 58 comments • oct 19, 2025

8. Show HN: Duck-UI – Browser-Based SQL IDE for DuckDB

   185 points • 57 comments • oct 19, 2025

9. Friendship Begins at Home

   160 points • 89 comments • oct 19, 2025

10. Ask HN: What are people doing to get off of VMware?

    154 points • 106 comments • oct 19, 2025