Hacker News: hand2notehttps://news.ycombinator.com/user?id=hand2noteHacker News RSShttps://hnrss.org/hnrss v2.1.1Sun, 13 Sep 2026 08:59:57 +0000<![CDATA[New comment by hand2note in "We must pace the frontier"]]>For the first time in history, a $1T company is trying to solve a problem that none of its paying customers actually have.

]]>Sat, 12 Sep 2026 17:15:12 +0000https://news.ycombinator.com/item?id=49674607hand2notehttps://news.ycombinator.com/item?id=49674607https://news.ycombinator.com/item?id=49674607<![CDATA[New comment by hand2note in "A misalignment of AI in mathematics"]]>I am curious what does the first and probably the last human who solved a millennium problem thinks about this.

]]>Fri, 11 Sep 2026 23:03:47 +0000https://news.ycombinator.com/item?id=49666626hand2notehttps://news.ycombinator.com/item?id=49666626https://news.ycombinator.com/item?id=49666626<![CDATA[New comment by hand2note in "Our decision on Cursor following its acquisition by SpaceX"]]>It like saying before the ai era that you don’t have a problem you can’t solve without ai

]]>Sun, 30 Aug 2026 21:32:01 +0000https://news.ycombinator.com/item?id=49503044hand2notehttps://news.ycombinator.com/item?id=49503044https://news.ycombinator.com/item?id=49503044<![CDATA[New comment by hand2note in "I returned to AWS and was reminded why I left"]]>Almost everything is true about Azure as well, especially obscure pricing and complexity in absolutely everything.

]]>Sun, 10 May 2026 17:42:08 +0000https://news.ycombinator.com/item?id=48086070hand2notehttps://news.ycombinator.com/item?id=48086070https://news.ycombinator.com/item?id=48086070<![CDATA[New comment by hand2note in "Mathematics for Computer Science (2024)"]]>Where are the solutions to the problems?

]]>Wed, 23 Jul 2025 16:48:00 +0000https://news.ycombinator.com/item?id=44661265hand2notehttps://news.ycombinator.com/item?id=44661265https://news.ycombinator.com/item?id=44661265<![CDATA[New comment by hand2note in "Mathematics for Computer Science (2024)"]]>Where can I find solutions to the problems in the course?

]]>Wed, 23 Jul 2025 16:47:00 +0000https://news.ycombinator.com/item?id=44661255hand2notehttps://news.ycombinator.com/item?id=44661255https://news.ycombinator.com/item?id=44661255<![CDATA[New comment by hand2note in "Official proposal for Type Unions in C#"]]>We have been using empty interfaces to simulate F# discriminated unions for the last 5+ years. It works like a charm. The problem "not all cases are handled in the switch" occurs very rarely (once per 50k lines of code) and, usually, we fix it after the first run of a smoke test. So, it's not a problem at all.

I think,.net team haven't added discriminited unions yet because it can be effectively simulated with interfaces.

]]>Thu, 08 Aug 2024 17:37:25 +0000https://news.ycombinator.com/item?id=41194177hand2notehttps://news.ycombinator.com/item?id=41194177https://news.ycombinator.com/item?id=41194177