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Ask HN: Testing AST or assembly output for a compiler

1•backslash_16•1m ago•0 comments

Optimizing LLM Context for Vulnerability Scanning

https://blog.fraim.dev/optimizing_llm_context_for_vulnerability_scanning/
1•excitedrustle•1m ago•0 comments

Frugal Living

https://so1o.xyz/blog/frugality
1•freediver•1m ago•0 comments

AWS outage exposes Achilles heel: central control plane

https://www.theregister.com/2025/10/20/aws_outage_chaos/
3•beardyw•6m ago•1 comments

YC deal size inflation calculator. Including "unicorn" adjustment

https://www.danielfalbo.com/yc-inflation-calculator
2•danielfalbo•6m ago•0 comments

Colin Jost, Pete Davidson and the Staten Island Ferry Fiasco

https://www.nytimes.com/2025/10/20/style/colin-jost-pete-davidson-staten-island-ferry.html
2•axiomdata316•9m ago•1 comments

Brain Entrain (40hz mode inspired by MIT Research)

https://brainentrain.web.app/
1•MichealCodes•9m ago•1 comments

Research results are cultural artifacts, not public goods

https://lemire.me/blog/2025/10/17/research-results-are-cultural-artifacts-not-public-goods/
1•vinhnx•11m ago•0 comments

Funny Domain

https://thisdomain.sucks/domain/penisland-net
1•nachoag7•12m ago•0 comments

Why I'm not a fan of zero-copy Apache Kafka-Apache Iceberg

https://jack-vanlightly.com/blog/2025/10/15/why-im-not-a-fan-of-zero-copy-apache-kafka-apache-ice...
2•vinhnx•13m ago•0 comments

Japan Unleashes Capitalism by Letting 'Zombie' Companies Die

https://www.bloomberg.com/features/2025-japan-zombie-companies-debt
1•pr337h4m•15m ago•0 comments

Show HN: Restring – a fast, smart web toolbox for JSON, JWT, Base64, and more

https://restring.dev
1•kang_li•16m ago•0 comments

Elegy for AWS us-east-1 (on guitar) [video]

https://www.youtube.com/shorts/gMolfiaUrPI
2•jszafran•16m ago•0 comments

The Human Only Public License

https://frederic.vanderessen.com/posts/hopl/
3•freediver•17m ago•0 comments

Show HN: Wyapy – Capture customer feedback and uncover what to improve

https://www.wyapy.com
1•tony31•19m ago•0 comments

Claude for Life Sciences

https://www.anthropic.com/news/claude-for-life-sciences
1•meetpateltech•19m ago•0 comments

Ask HN: Better Brain Entrainment?

1•MichealCodes•19m ago•0 comments

Show HN: Excalidraw for Sticky Notes

https://stickyflo.app/
1•abhishekbasu•19m ago•0 comments

AI and the Art of Persuasion

https://fleetingswallow.com/winning-small-claims-with-ai/
1•pcoz•20m ago•1 comments

Measuring Engineering Productivity

https://justoffbyone.com/posts/measuring-engineering-productivity/
1•cancan•20m ago•0 comments

DaoFlow: Not an AWS Wrapper, your bare metal / VM wrapper

https://github.com/DaoFlow-dev/DaoFlow
1•imWildCat•23m ago•1 comments

AWS us-east-1 outage on 2025-10-20: 7% of teams were paged

https://heyoncall.com/blog/aws-outage-2025-10-20-percent-paged
1•compumike•23m ago•1 comments

AI will never be your friend

https://www.msn.com/en-us/entertainment/news/ai-will-never-be-your-friend/ar-AA1OObbs
8•RickJWagner•24m ago•0 comments

Kohler launches smart toilet camera

https://techcrunch.com/2025/10/19/kohler-unveils-a-camera-for-your-toilet/
7•alangibson•28m ago•1 comments

Windows Shell Previews

https://textslashplain.com/2025/10/20/windows-shell-previews/
1•speckx•28m ago•0 comments

Trump Lists Top Demands on China Before Trade Talks Resume

https://www.bloomberg.com/news/articles/2025-10-20/trump-says-us-will-be-fine-with-china-as-trade...
3•zerosizedweasle•29m ago•3 comments

Show HN: Copilot AI Agent

https://copilotaiagent.com
1•Fra_sol•30m ago•1 comments

Xyne: Open-source LLM-driven search engine for Google Workspace

https://github.com/xynehq/xyne
1•ignoramous•30m ago•0 comments

Show HN: Visual autocomplete for drawings (real-time Human-AI interaction)

https://github.com/olwal/AiDrawing
2•olwal•31m ago•0 comments

What I Self Host

https://fredrikmeyer.net/2025/10/18/what-i-self-host.html
11•FredrikMeyer•32m ago•2 comments
Open in hackernews

Ask HN: Second generation of intro to software dev for 3rd graders

1•xrd•3h ago
I posted this last year asking for help in creating an introduction to software development for 3rd graders:

  "Next week I'm going into my daughter's classroom to teach about software engineering. I want to teach them about the magic of it."
https://news.ycombinator.com/item?id=42056775

The best suggestion was

  "I think about the PB&J demo a lot."
It was a big hit! I took a lot of the suggestions and had so much fun. I'm going to do it again for my 4th and 5th graders classes and could use some help in improving it.

A few highlights from last year:

  * I brought a serrated knife and ketchup packets. When they said put the jelly on the bread with the knife, I gripped the serrated end and pretended my fingers bled (ketchup works great as blood). 
  * I brought in vaseline AKA petroleum jelly. When they said put jelly on the bread, I contemplated aloud "Well, you said JELLY, and this says JELLY!"
I offered to give the sandwich to one lucky kid afterward, but surprisingly, no one took me up on the opportunity to eat a sandwich with peanut butter, vaseline and ketchup. Kids these days are so spoiled, 6-7!

This year I want to do it again. But, I want to add some ideas:

  * importance of teamwork: I think this differentiates good software teams from bad teams.
  * importance of good communication: I was thinking about teaching them about how important communication and planning is. Last year I had slips of paper where I asked a different scribe to write down the instructions, and then I took those, reordered them with class input and then took action. But, perhaps I can expand on that and really drill into them the value of planning and good written communication.
  * managers: I was thinking about talking about how the managers are often the best paid, because they take responsibility for all the moving pieces, and the success or failure of the project.  I expect this might be a controversial take here on HN!
Any suggestions?