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Super Lightweight Data Management

1•snappr021•1y ago
AI Prompt: Regenerate “Datalite” Interface with All Features Create a fully functional single-page HTML application called Datalite using only vanilla JavaScript, standard CSS, and HTML — no frameworks or libraries. The interface should support: Multi-file Upload & Tabs Allow uploading multiple CSV or JSON files Display each dataset as a tab in the left sidebar, sorted alphabetically Switching tabs shows the corresponding editable table Editable Table View (per dataset) Render a full HTML table with inline contentEditable cells Include a filter row at the top using contentEditable table headers Always show a sticky blank row at the bottom that adds new entries dynamically Changes persist in memory and to localStorage Relationship Detection (Heuristics) Detect one-to-many and many-to-one relationships heuristically by matching: {tableName}_id → id Shared key values across tables Store relationships and persist them DBML-style Diagram View Render a schema diagram using floating draggable HTML blocks on an infinite canvas Each block shows the table name and its fields Allow the user to toggle the diagram view on/off Report Builder Panel (on right) Show a live business-style report when any table row is clicked Include the selected record and all related child records in clean, sectioned formatting Add a toggle to switch between the styled view and raw JSON Include child tables (and grandchildren, etc.) using relationship chains State Persistence Save all uploaded files, relationships, and edits to localStorage Auto-load on refresh Resizable Panels Allow the user to drag and resize: Sidebar (tabs) Table view (center) Report panel (right) Export Functions Add an "Export CSV" button for the currently active tab Add a "Clear Storage" button to reset the app Requirements:

No libraries (no Tailwind, Bootstrap, React, etc.) Single relatix.html file Fully working out-of-the-box Mobile and desktop friendly Style should be minimal and clean (standard CSS only)

FDA allows ZYN to sell pouches on health benefits

https://www.axios.com/2026/06/30/fda-zyn-health-marketing
1•cactusplant7374•1m ago•0 comments

Show HN: Mathematical fault-Isolation accelerator engine

https://github.com/PJHkorea/egregore-flat-kernel/blob/main/pure_geodesic_core_test.py
1•PJHkorea•2m ago•0 comments

Where we are with climate change

https://everysingleindicator.com/blog/global-co2-contributors
2•mayosmith•2m ago•1 comments

The fight over stablecoin float interest

https://research.oguzbilgic.com/theses/narrow-bank-breaks
1•obilgic•3m ago•0 comments

Tickler sues FBI to get to bottom of feet

https://taonexus.com/publicfiles/jun2026/tickler-sues-fbi-to-get-to-bottom-of-feet/
1•logicallee•4m ago•0 comments

Most MCP servers don't need to exist. Your case might be an exception

https://evilmartians.com/chronicles/most-mcp-servers-dont-need-to-exist-your-case-might-be-an-exc...
1•nikolay•5m ago•0 comments

Europe's Great AC Debate

https://nymag.com/intelligencer/article/europes-great-ac-debate-highlights-hot-takes-and-hysteria...
1•standardUser•5m ago•0 comments

Reddit Age Verification in Europe

https://support.reddithelp.com/hc/en-us/articles/50368431806484-European-Union-Digital-Services-A...
1•akyuu•6m ago•0 comments

Gitpulse – AI-generated conventional commits from your terminal

https://github.com/erico964-blip/gitpulse
2•erico964-blip•6m ago•0 comments

Show HN: Morph Reflexes – Multi-head classifiers for agent traces

1•bhaktatejas922•7m ago•0 comments

Mir Books – Books from the Soviet Era

https://mirtitles.org
2•clmul•8m ago•0 comments

What I Learned at Boo.com (2000)

https://tnl.net/blog/2000/08/01/business-2-0-what-i-learned-at-boo-com/
1•aleda145•8m ago•0 comments

Too many satellites? Earth's orbit is on track for a catastrophe

https://theconversation.com/too-many-satellites-earths-orbit-is-on-track-for-a-catastrophe-but-we...
1•ColinWright•9m ago•0 comments

I ported Kubernetes to the browser

https://ngrok.com/blog/i-ported-kubernetes-to-the-browser
8•peterdemin•10m ago•1 comments

Show HN: Openleetcode – LeetCode runner where tests live in the repo

https://github.com/therepanic/openleetcode/releases/tag/v1.0.0
2•therepanic•12m ago•0 comments

What you need to know about new customs charges when buying from outside the EU

https://www.rte.ie/news/ireland/2026/0630/1581002-custom-charges-q-a/
1•austinallegro•13m ago•0 comments

It's Time to Reserve Your WhatsApp Username

https://about.fb.com/news/2026/06/its-time-to-reserve-your-whatsapp-username/
2•Markoff•13m ago•2 comments

Rails App Just Got Acquired. Now What?

https://blog.planetargon.com/blog/entries/your-rails-app-just-got-acquired-now-what
2•robbyrussell•13m ago•0 comments

Leanstral 1.5

https://docs.mistral.ai/models/model-cards/leanstral-1-5-26-06
2•vetronauta•14m ago•0 comments

DHH: Basecamp 5, Vibe Coding, and the Future of Rails

https://podcast.rubyonrails.org/2462975/episodes/19335416-dhh-basecamp-5-vibe-coding-and-the-futu...
2•robbyrussell•14m ago•1 comments

Microsoft reveals Windows 11's Docker Replacement WSL Containers to ship soon

https://www.windowslatest.com/2026/06/28/microsoft-denies-wsl-3-exists-reveals-windows-11s-wsl-co...
3•devy•14m ago•1 comments

Rails: 13 Years of Rails at the Auto Shop

https://podcast.rubyonrails.org/2462975/episodes/19319172-nikky-southerland-lessons-from-13-years...
1•robbyrussell•15m ago•1 comments

Magicbookshelf.org – Using AI to create a spoiler-free companion to any book

https://magicbookshelf.org/read/pride-and-prejudice/
1•philipfweiss•16m ago•0 comments

Labelling AI-Generated Content in China

https://ocpl.substack.com/p/labelling-ai-generated-content-in
1•petethomas•16m ago•0 comments

An arbitrary-palette positional dithering algorithm

https://bisqwit.iki.fi/story/howto/dither/jy/
1•fanf2•17m ago•0 comments

UK watchdog plans to break Apple and Google's 'effective duopoly' on app stores

https://www.theguardian.com/business/2026/jun/30/uk-apple-google-mobile-app-stores-developers-pay...
2•pseudolus•17m ago•0 comments

I Snuck This Boat Through a Military Blockade [video]

https://www.youtube.com/watch?v=5Dvu7qiM5rg
1•Varelion•18m ago•0 comments

NASA aims to save a sinking space telescope with a rendezvous in orbit

https://www.nbcnews.com/science/space/nasa-swift-boost-mission-save-sinking-space-telescope-rcna3...
2•voxadam•18m ago•0 comments

Holos Social: Self-hosted Fediverse client

https://explore.alt.store/@holos/116824788231911251
1•gloxkiqcza•18m ago•0 comments

Periskop – product discovery (MCP/API) for AI agents

https://www.periskop.ai
2•duarteapereira•19m ago•0 comments