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Super Lightweight Data Management

1•snappr021•11mo 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)

Bees Change Color with the Weather

https://nautil.us/these-bees-change-color-with-the-weather-1280222
1•Brajeshwar•1m ago•0 comments

How Copenhagen built a metro for free (The Flying Moose) [video]

https://www.youtube.com/watch?v=GzamwVH3CXU
1•zeristor•2m ago•0 comments

Show HN: I built a PyPI watchdog that tests whether packages work

https://sovereignmail.org/pypiplace
1•contentist•2m ago•0 comments

IronBCI-32: 32-Channel 24-Bit EEG for BCI Research

https://hackaday.io/project/205585-ironbci-32-32-channel-24-bit-eeg-for-bci-research
1•Christiangmer•2m ago•0 comments

Microfiche, Microfilm and Other Minutiae (1981) [video]

https://www.youtube.com/watch?v=Q6P9FhSkd0I
1•susam•3m ago•0 comments

The most successful health campaign in modern history

https://www.msn.com/en-us/health/other/the-most-successful-health-campaign-in-modern-history/ar-A...
1•RickJWagner•4m ago•0 comments

DeepSeek-V4 on Day 0: From Fast Inference to Verified RL with SGLang and Miles

https://www.lmsys.org/blog/2026-04-25-deepseek-v4/
1•mji•9m ago•0 comments

Understanding the short circuit in solid-state batteries

https://www.mpie.de/5151287/short-circuit-solid-state-batteries
1•hhs•10m ago•0 comments

Uranus's Outermost Rings Are Made of Two Different Things

https://skyandtelescope.org/astronomy-news/uranuss-outermost-rings-are-made-of-two-different-things/
1•mooreds•11m ago•0 comments

Boulder's water supply hangs on for now amid historic drought conditions

https://boulderreportinglab.org/2026/04/23/boulders-water-supply-hangs-on-for-now-amid-historic-d...
1•mooreds•12m ago•0 comments

Once a Year, Seattle Center Becomes a Medical Clinic

https://www.thestranger.com/news/once-a-year-seattle-center-becomes-a-medical-center/
1•mooreds•13m ago•0 comments

Your Name in Landsat

https://science.nasa.gov/specials/your-name-in-landsat/
1•susam•14m ago•0 comments

Her Life Savings Mysteriously Disappeared After a Systems Glitch

https://www.nytimes.com/2026/04/25/your-money/fidelity-investments-fraud-alert.html
4•danso•21m ago•1 comments

Steak 'n Shake: We're going 'back to the glory days of fast food'

https://thehill.com/business/5848987-steak-n-shake-healthy-ingredients/
2•tolerance•22m ago•2 comments

Show HN: Rethinking browser tabs to treat too many tabs open

https://github.com/moogacs/tabby
1•moogas•22m ago•0 comments

Marc Andreessen on how the internet changed news, politics, and outrage [video]

https://www.youtube.com/watch?v=82HsvG1_Nqk
1•hhs•23m ago•0 comments

I reverse-engineered Claude Desktop's storage to give it memory

https://github.com/Foued-pro/Mnemos
2•foufouadi•24m ago•0 comments

An interesting OpenAI Codex Q&A

1•paulbernard•26m ago•0 comments

Show HN: Ruosh,full-text search library in Python backed by Tantivy

1•bisgh•27m ago•1 comments

Interactive browser-based web archiving from Webrecorder

https://archiveweb.page/
1•doener•32m ago•0 comments

EFF Challenges Secrecy in Eastern District of Texas Patent Case

https://www.eff.org/deeplinks/2026/04/eff-challenges-secrecy-eastern-district-texas-patent-case
2•Brajeshwar•50m ago•0 comments

Pi in the Sky (2016)

http://www.piinthesky.co/
1•radeeyate•51m ago•0 comments

Simulating and Evaluating Agentic Systems

https://www.gojiberries.io/simulating-and-evaluating-agentic-systems/
1•neehao•52m ago•0 comments

I Went to Jail

https://lincolnquirk.substack.com/p/i-went-to-jail
3•Cider9986•53m ago•0 comments

Why would ChatGPT "confess" to a crime it didn't commit?

https://radleybalko.substack.com/p/why-would-chatgpt-confess-to-a-crime
1•xKingfisher•54m ago•0 comments

Just How Much Should You Worry About Eating That Burnt Toast?

https://www.mcgill.ca/oss/article/medical-critical-thinking-health-and-nutrition/just-how-much-sh...
1•amichail•55m ago•0 comments

How Opus Came To Be (2019)

https://jmvalin.dreamwidth.org/16616.html
2•1317•56m ago•0 comments

"That's how floating point errors and triangle numbers solved a mystery."

https://unsung.aresluna.org/thats-how-floating-point-errors-and-triangle-numbers-solved-a-mystery/
2•rbanffy•1h ago•0 comments

Mise-En-Place

https://mise.jdx.dev/
3•dotmanish•1h ago•1 comments

The Death of Monochrome

https://monochrome.tf/
1•SockThief•1h ago•0 comments