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Show HN: OpenChart – OSS TradingView alternative with your own AI agent

Hi HN, I'm Weilun, cofounder of OpenChart. We built OpenChart because we wanted Claude and Codex to interface with the markets, like most of humans do, through charts rather than through CLIs. With your existing AI plans, your agent can work directly with your charts: annotate a setup, write an indicator, investigate a market move, or create an alert. The chart, conversation, and research live in the same workspace. OpenChart alerts on any market move: draw any shape on a chart and attach an ale...
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Release of Polars 2.0

Article URL: https://pola.rs/posts/release-polars-2/ Comments URL: https://news.ycombinator.com/item?id=49977177 Points: 209 # Comments: 35
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Subquadratic 3SUM and Subcubic APSP

Article URL: https://arxiv.org/abs/2610.06783 Comments URL: https://news.ycombinator.com/item?id=49977437 Points: 6 # Comments: 2
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Mathematics of Geothermal Energy

Article URL: https://www.ebsco.com/research-starters/power-and-energy/mathematics-geothermal-energy/ Comments URL: https://news.ycombinator.com/item?id=49977819 Points: 22 # Comments: 9
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Mistral Large 4

Article URL: https://docs.mistral.ai/models/mistral-large-4-0 Comments URL: https://news.ycombinator.com/item?id=49977979 Points: 719 # Comments: 411
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Mistral Large 4: "Le Chonk"

Article URL: https://mistral.ai/news/mistral-large-4/ Comments URL: https://news.ycombinator.com/item?id=49978116 Points: 391 # Comments: 43
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Vibecoding isn't as fun as writing code by hand

Article URL: https://www.autodidacts.io/vibecoding-isnt-as-fun-as-writing-code-by-hand/ Comments URL: https://news.ycombinator.com/item?id=49979306 Points: 93 # Comments: 103
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The Early History of Smalltalk

Article URL: https://worrydream.com/EarlyHistoryOfSmalltalk/ Comments URL: https://news.ycombinator.com/item?id=49979845 Points: 10 # Comments: 0