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Show HN: TapFi – Join any WiFi just by scanning the details with your camera

https://tapfi.uno/
1•jmkni•1h ago
I travel a lot and commonly find myself connecting to public wifi networks where the details are written down on a card or a piece of paper, which then results in having to fiddle about finding the network and typing in the password

Built this little app so I can just take a photo of it, and then it figures out the details and connects my phone to the WiFi

No sign up, no ads, no tracking

Let me know if you find it useful

Cheers

Comments

dhruv3006•1h ago
This is a smart one - like the demo.

Any corner cases though?

jmkni•1h ago
Cheers, and probably

I built it primarily for myself, so as I find corner cases I'll update the app and fix them

China's energy fortress was built to withstand just this type of oil shock

https://www.cnn.com/2026/04/20/china/china-energy-security-global-oil-crisis-iran-intl-hnk
1•breve•1m ago•0 comments

Key Front End Architectural Patterns for Complex Applications

https://sometechblog.com/posts/frontend-architecture-decisions/
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PhantomChat – Post-quantum messenger with Monero-style stealth addresses

https://github.com/cengo441337-a11y/phantomchat
2•n0l3x•3m ago•0 comments

Modeling Sparse and Bursty Vulnerability Sightings

https://arxiv.org/abs/2604.16038
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The History of SuperTuxKart

https://supertuxkart.net/History_of_SuperTuxKart
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Digital Omnibus reality check: 83.5% of access requests not properly answered

https://noyb.eu/en/digital-omnibus-reality-check-835-access-requests-not-properly-answered
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Show HN: Static Flipbooks of Complex Media

https://flipbook.browserbox.io/
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https://kokosa.dev/blog/2026/dotllm/
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https://platform.kimi.ai/docs/guide/kimi-k2-6-quickstart
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Ask HN: Hit Supabase's free→$25 pricing cliff. Any middle-tier options?

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OpenDyslexic: A Typeface for Dyslexia

https://opendyslexic.org/
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Plotnine: Grammar of Graphics for Python

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Valgrind-3.27.0 Is Available

https://sourceforge.net/p/valgrind/mailman/message/59324626/
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3•TheWiggles•37m ago•0 comments

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Making the Rails Default Job Queue Fiber-Based

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Master of chaos wins $3M math prize for 'blowing up' equations

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Details that make interfaces feel better

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1•KnuthIsGod•57m ago•0 comments