Look‑Ahead Traps in Backtesting (Backtrader, MQL, PineScript)
Why This Matters If a backtest seems to “forecast” the future without any explanatory edge, it probably does. The culprit is usually look‑ahead bias: using info…
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The Blast Radius Budget: A 90-Minute Spike on AI Patch Churn
A reviewer opens a pull request written by a coding agent and finds that the failing test now passes, which is the outcome everyone wanted. The diff, however, t…
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Finding the full-size original behind a thumbnail: srcset, CDN size rules and fallbacks
The image you see on a page is almost never the file the site stores. A Wikipedia infobox shows the Eiffel Tower at 330 px wide while the uploaded photo is 2900…
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Reviewing an Agent's CSV Export PR: Memory Spikes, Formula Injection, and Timezone Drift
An admin asked for one button. "Export orders to CSV." An agent produced a 180-line PR in minutes. The smoke test passed on twelve rows. The reviewer approved n…
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Vom virtuellen Sprachlabor zum begehbaren Protein: Warum Spatial Computing die Strukturbiologie verändert – ein persönlicher…
Vom virtuellen Sprachlabor zum begehbaren Protein: Warum Spatial Computing die Strukturbiologie verändert – ein persönlicher Entwickler-Bericht Vor drei Wochen …
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UK House of Lords to propose mandatory CSAM detection software on smartphones
Article URL: https://observer.co.uk/news/national/article/fight-to-block-child-sexual-abuse-images-unites-peers-and-mps-in-cross-party-campaign Comments URL: ht…
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Silicon Valley Promises AI Will Cure Disease. Drugmaker CEOs Aren't Buying It
Article URL: https://www.wsj.com/tech/ai/silicon-valley-promises-ai-will-cure-disease-drugmaker-ceos-arent-buying-it-5218511c Comments URL: https://news.ycombin…
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Extension Manager 0.7 released with new (and fixed) features
A new version of Extension Manager, the desktop app that makes it easier to browse, install and manage GNOME Shell extension without a web browser, has been rel…
EnglishOMG! Ubuntu
Why a pink potato-like robot is wheeling around Philadelphia
Article URL: https://www.popsci.com/science/orifice-awebot-robot-philadelphia/ Comments URL: https://news.ycombinator.com/item?id=50415927 Points: 3 # Comments:…
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Sketching software architecture with Svugy
Article URL: https://fedemagnani.github.io/cs/2026/11/08/sketching-software-architecture-with-svugy.html Comments URL: https://news.ycombinator.com/item?id=5041…
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Show HN: Nexjoin – A C++ remote desktop alternative (Windows XP+, macOS 10.13)
Article URL: https://nexjoin.io/README.html Comments URL: https://news.ycombinator.com/item?id=50415946 Points: 1 # Comments: 1
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HN HTML has changed slightly
HTML parser I'm using only took a minute to fix; I use C, no selectors or scripting languages I think this is what makes HN great as a website Design simplicity…
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Reverse engineering a vintage diode-transistor logic chip
Article URL: https://www.righto.com/2026/11/signetics-st680a-dtl-nand.html Comments URL: https://news.ycombinator.com/item?id=50416011 Points: 4 # Comments: 0
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Tell HN: There is a housing crisis where Sam Altman lives
Most of his huge mansion goes unused aka wasted. It would be more efficient if it was spread amongst multiple people. Comments URL: https://news.ycombinator.com…
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An Apology for the Mirror: The Thief Cries "Stop, Thief "
Article URL: https://medium.com/@smoking2man/an-apology-for-the-mirror-the-thief-cries-stop-thief-6a0871a642bb Comments URL: https://news.ycombinator.com/item?i…
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Dux: Free, open-source Wayland desktop shell with file manager and theming
Article URL: https://duxlabs.dev/ Comments URL: https://news.ycombinator.com/item?id=50416053 Points: 2 # Comments: 0
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Ask HN- Will AI agents behave differently in a swarm?
Article URL: https://world.emergence.ai/ Comments URL: https://news.ycombinator.com/item?id=50416075 Points: 1 # Comments: 1
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My Local Coding Agent
Article URL: https://hdembinski.github.io/posts/coding_agent.html Comments URL: https://news.ycombinator.com/item?id=50416082 Points: 1 # Comments: 0
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Ask HN: Can I do a Show HN for a closed source tool I built?
Like what everybody and everybody's mother is building, we came up with the genius of building a harness. It is a meta harness that beat Prime agent in our late…
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![Etsy changes terms to train AI on your creations, while blocking you doing it [video]](/storage/uploads/covers/auto/p195499.svg)
Etsy changes terms to train AI on your creations, while blocking you doing it [video]
Article URL: https://www.youtube.com/watch?v=zrlLUUdqDJI Comments URL: https://news.ycombinator.com/item?id=50416103 Points: 1 # Comments: 0
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