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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)

Getting nerd sniped by the h-index

https://davidxyu.substack.com/p/being-nerd-sniped-by-the-h-index
1•4thwaywastrel•5m ago•0 comments

Show HN: Visual DSA

https://pqdsa.com/
1•_dragonguy•5m ago•0 comments

Ask HN: Which blog have you recently found to be your favorite?

1•vinhnx•6m ago•0 comments

Before and After October 7, 2023

https://medium.com/freedomofthought/before-and-after-october-7-2023-a2e604ff5b37
1•raynchad•7m ago•0 comments

Show HN: R3 – Review locally and send structured feedback to your coding agent

https://github.com/hyperlogue/r3
1•rickye26•13m ago•1 comments

LSU physicists create first room-temperature quantum material

https://www.lsu.edu/science/news/2026/07/rt-quantum-material.php
1•thunderbong•16m ago•0 comments

The Accidental Discovery of Phencyclidine [video]

https://www.youtube.com/watch?v=DGvnAqk5iAg
1•binyu•17m ago•0 comments

Smart People in AI Published a Plan a They Expect to Be Ignored

https://writing.sidharthkakkar.com/p/very-smart-people-in-ai-published
1•sikakkar•17m ago•1 comments

Claude Fable produced a counterexample to the Jacobian Conjecture

https://xcancel.com/__alpoge__/status/2079028340955197566
3•loubbrad•20m ago•2 comments

Tech Workers Face Evaporating Financial Security as AI Transforms Industry

https://www.adn.com/nation-world/2026/07/19/the-biggest-winners-of-the-american-economy-fear-they...
2•nlpnerd•26m ago•0 comments

Graphjin

https://graphjin.com/
1•handfuloflight•26m ago•0 comments

India's first privately-developed rocket reaches orbit on dramatic debut launch

https://arstechnica.com/space/2026/07/indias-first-privately-developed-rocket-reaches-orbit-on-dr...
3•sohkamyung•27m ago•1 comments

The 2000s called. They want their digital camera back

https://www.npr.org/2026/07/18/nx-s1-5896117/retro-digital-camera-analog-reboot
4•megamike•30m ago•1 comments

./Alien_worker.sh

https://github.com/maxitg/alien-worker
1•p135246•32m ago•1 comments

Salt: Salience-Aware Lexical Trie for Long-Context Compression

https://github.com/oteomamo/SALT
1•omamo•36m ago•0 comments

Big Tech Is Now Targeting Native American Land for Data Centers

https://www.nytimes.com/2026/07/09/us/data-centers-native-american-tribes.html
4•reaperducer•37m ago•0 comments

Copyright Is Not Enough

https://www.thedial.world/articles/news/copyright-law-ai-intellectual-property
1•colinprince•37m ago•0 comments

See inside insects with an electron microscope and a femtosecond laser [video]

https://www.youtube.com/watch?v=NwhVJ7cv9B4
3•pillars•38m ago•0 comments

Dart Framework – Systems Thinking Skill for AI Agents

https://github.com/asofyan/dart-framework
1•handfuloflight•40m ago•0 comments

Project Architecture – Developer's Guide to Building Scalable Software

https://medium.com/@ruwanaamarasinghe/project-architecture-essentials-8b3b9107ca44
2•andsoitis•47m ago•0 comments

I automated my PC's chores with a tool that's been in Windows for 20 years

https://www.makeuseof.com/automated-pcs-boring-chores-tool-in-windows-20-years/
2•ripe•49m ago•0 comments

An Interview with Eve Maler

https://ciamweekly.substack.com/p/an-interview-with-eve-maler
1•mooreds•50m ago•0 comments

Delete Your Data with Drop

https://privacy.ca.gov/
7•mooreds•52m ago•0 comments

CommandBoard – Your productivity toolkit in Markdown files

https://github.com/sinai-doron/md-todo-list
1•workworksleep•52m ago•0 comments

The Better Network That Lost: Why Token Ring Died

https://www.youtube.com/watch?v=8TRelDpcLHs
2•cable2600•52m ago•0 comments

US health agency says cyclospora finding at produce company was false positive

https://www.cbc.ca/news/world/cyclospora-false-positive-taylor-farms-9.7276107
6•nianderwallace•54m ago•3 comments

Super Productivity: Focus tools in one open-source app, offline and private

https://super-productivity.com/
1•1d22a•54m ago•0 comments

Chinese firm seeks compensation over British Steel nationalisation

https://www.bbc.com/news/articles/cwyj4ppqn41o
1•onemoresoop•55m ago•2 comments

Ask HN: What paid AI tools are worth it for creative tech projects?

2•frausty•1h ago•2 comments

NoWreck-A deterministic verifier for AI coding assistants

https://github.com/AstralXVoid/NoWreck/
1•AstralXVoid•1h ago•0 comments