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Super Lightweight Data Management

1•snappr021•12mo 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)

Show HN: Task Manager for AI Agents (MCP, Opensource)

https://github.com/agentrq/agentrq
2•mrtnx•4m ago•0 comments

KeyStruck – Confirm what shortcut you just pressed without watching the menu bar

https://bendansby.com/apps/keystruck.html
2•webwielder2•5m ago•0 comments

Why Does Music in Science Fiction Sound Like That?

https://daily.jstor.org/why-does-music-in-science-fiction-sound-like-that/
1•tintinnabula•8m ago•0 comments

Weight-Loss Drugs May Reduce Buildup of Alzheimer's Proteins

https://www.sciencealert.com/weight-loss-drugs-may-reduce-buildup-of-alzheimers-proteins-major-re...
2•warbaker•14m ago•0 comments

Electrical current might be the key to a better cup of coffee

https://arstechnica.com/science/2026/04/electrical-current-might-be-the-key-to-a-better-cup-of-co...
2•signa11•15m ago•0 comments

Taiwan activates backup communications for island after undersea cable breaks

https://www.taipeitimes.com/News/taiwan/archives/2026/04/30/2003856520
4•keepamovin•19m ago•0 comments

Therac-25

https://en.wikipedia.org/wiki/Therac-25
2•0xcg•21m ago•0 comments

Green Software Foundation

https://github.com/Green-Software-Foundation
1•saikatsg•23m ago•0 comments

SpaceX just disclosed Musk's new compensation package

https://xcancel.com/gnoble79/status/2049597193670234341
2•doener•28m ago•0 comments

Queen Camilla Unites Winnie-the-Pooh with a Long-Lost Friend

https://www.nytimes.com/2026/04/29/books/queen-camilla-winnie-the-pooh.html
2•ChrisArchitect•32m ago•0 comments

Collective Speed Is Not the Summation of Individual Speed

https://blog.jim-nielsen.com/2026/collective-speed-isnt-the-sum-of-individual-speed/
2•zdw•34m ago•0 comments

Free Solar Radiation, Heat Flux,Temperature,Humidity Data from Dtdss Algorithm

https://cloud.fiaos.org/data/
1•iopoer•34m ago•0 comments

Copy Fail: 732 Bytes to Root on Every Major Linux Distribution

https://xint.io/blog/copy-fail-linux-distributions
11•eyalitki•40m ago•2 comments

What it takes to transpose a matrix

https://gudok.xyz/transpose/
1•signa11•41m ago•0 comments

Meta's multi-billion-dollar Graviton deal

https://www.tomshardware.com/tech-industry/artificial-intelligence/metas-multi-billion-dollar-gra...
1•y1n0•41m ago•0 comments

Tell HN: VS Code v1.117.0 automatically adds GitHub Copilot as your co author

4•adithyassekhar•41m ago•1 comments

Incompressible Knowledge Probes: Measuring what frontier models know

https://01.me/research/ikp/
3•wmf•43m ago•0 comments

Humanoid Robots Will Work as Baggage Handlers at Tokyo Airport

https://www.engadget.com/2160602/humanoid-robots-will-work-as-baggage-handlers-at-tokyo-airport/
2•y1n0•43m ago•1 comments

Iran Proposes Bitcoin Oil Toll

https://decrypt.co/363641/iran-bitcoin-payments-oil-ships-seeking-hormuz-passage
1•janandonly•43m ago•0 comments

Tesla Semi: first truck rolls off high-volume production line

https://electrek.co/2026/04/29/tesla-semi-first-truck-high-volume-production-line/
2•y1n0•43m ago•0 comments

House approves reauthorization of warrantless spy powers

https://thehill.com/homenews/house/5856102-warrantless-spy-powers-fisa-702/
1•divbzero•44m ago•0 comments

Why Model Collapse in LLMs Is Inevitable with Self-Learning

https://hackaday.com/2026/04/29/why-model-collapse-in-llms-is-inevitable-with-self-learning/
1•omer_k•45m ago•0 comments

Europe has a fuel problem: It doesn't know how much it has

https://www.politico.eu/article/europe-fuel-supply-problem/
3•leonidasrup•47m ago•0 comments

Half of 'long shot' Polymarket bets on military action are successful

https://www.ft.com/content/989d335e-275b-4cdc-b51d-4b29fd8895b0
2•petethomas•49m ago•0 comments

Ask HN: Is anyone still using the ChatGPT browser, Atlas?

3•widenrun•53m ago•0 comments

AI optimism surges in Asia, unlike in the U.S.

https://restofworld.org/2026/ai-optimism-asia/
2•TheWeiHu•1h ago•3 comments

The Shadow Glass

https://morrigan-tech.com/blog/the-shadow-glass/
1•milkglass•1h ago•0 comments

OpenObserve Raises $10M Series A

https://openobserve.ai/blog/series-a-announcement/
3•safeie•1h ago•0 comments

Monad Tutorials Timeline

https://wiki.haskell.org/Monad_tutorials_timeline
4•brudgers•1h ago•1 comments

Lessons from Building an OTel Normalizer for GenAI

https://www.groundcover.com/blog/otel-normalizer-genai-part-1
3•thebitofmyheart•1h ago•0 comments