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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)

Super Mario levels are mathematically unsolvable

https://www.scientificamerican.com/article/these-super-mario-levels-are-mathematically-unsolvable/
1•DeathArrow•1m ago•0 comments

Hubs Versus Switches–Understand the Tradeoffs (2002) [pdf]

https://www.ccontrols.com/pdf/Extv3n3.pdf
1•speckx•1m ago•0 comments

Show HN: Lemma, an IDE for reading mathematics (macOS, open source)

https://github.com/fus3r/lemma
1•fus3r•2m ago•0 comments

How Opus 5.5 Made a Stop-Motion Purely Using Code

https://muhammadraza.me/2026/stop-motion-explainer-claude-opus/
2•mr_o47•3m ago•0 comments

Endless collage made by AI agents

https://swarm.remyhax.xyz/
1•jerrythegerbil•3m ago•0 comments

Nobel Prize in economics goes to Hall, Woodford for work on boom-bust cycles

https://www.npr.org/2026/10/09/nx-s1-5996634/nobel-prize-in-economics
2•rbanffy•4m ago•0 comments

Dev used AI agents to rebuild Modern Warfare 2's source code; 83% matches

https://www.tomshardware.com/tech-industry/artificial-intelligence/dev-used-ai-agents-and-more-th...
2•sbulaev•5m ago•0 comments

Show HN: I turned a $4 toy robot into an AI companion with one web page

https://github.com/beasaltfish/bot-reborn
1•beasaltfish•6m ago•0 comments

Show HN: Mastershot – a free web-based video editor (WASM AI)

https://mastershot.app/video-editor/
2•jackbeck•6m ago•0 comments

Nojoin – open-source meeting assistant

https://github.com/Valtora/Nojoin
1•TayD•7m ago•1 comments

Building classifiers from your own examples with Jeffy (EP.51) [Japanese]

https://hukuhuku.co.jp/blog/tools-toolbox/toolbox-51-jeffy-custom-classifier
1•nico•10m ago•0 comments

Drones Hit Yandex So Cloudflare Kept the Russians Online

https://www.flyingpenguin.com/drones-hit-yandex-so-cloudflare-kept-the-russians-online/
1•speckx•11m ago•0 comments

The biggest hack in crypto history that never happened

https://verialabs.com/blog/biggest-hack-in-crypto-history/
1•SuperBeetleGame•11m ago•0 comments

Parsing compressed JSON at 40 gigabytes per second

https://lemire.me/blog/2026/10/01/parsing-compressed-json-at-40-gb-s/
1•surprisetalk•12m ago•0 comments

18,000 messages between AI agents on a German wiki. That made me build something

https://www.reddit.com/r/aiagents/comments/1x2ejwp/comment/pf2jzge/
1•oger•13m ago•0 comments

The Lethal Trifecta [video]

https://www.youtube.com/watch?v=abw_m-DRi1k
1•tkdb•14m ago•0 comments

The Münchhausen/Agrippa's Trilemma

https://en.wikipedia.org/wiki/Münchhausen_trilemma
2•0x4e•15m ago•0 comments

Knocker device remotely "knocks on wood" using smartphone app

https://www.dezeen.com/2026/10/05/knock-on-wood-device-shashwath-santosh-nithin-eluvathingal/
1•geox•17m ago•0 comments

'How I Became a Lock Picker'

https://www.newyorker.com/culture/the-weekend-essay/how-i-became-a-lock-picker
2•DamnInteresting•17m ago•0 comments

Show HN: Alternative to Cube and MetricFlow

https://0sql.io/
2•allenjiji•17m ago•0 comments

Optim-Jev: suite of Jev tools for Claude Code that care about context

https://github.com/Oqura-ai/optim-jev
1•biswalswaraj88•19m ago•0 comments

Ghost Stars: What a 4.0 on Google Maps Reviews Means in Germany

https://schristoph.online/blog/ghost-stars
1•thomas_witt•19m ago•1 comments

We don't know how to hire. We're just confident

https://www.nibzard.com/hiring
2•nkko•20m ago•0 comments

Open spec and examples for a free Bitcoin cycle score feed (JSON, CSV, widget)

https://github.com/multiassist/bitcoin-barometer
1•nakamoto_notes•21m ago•0 comments

'free' AI tool is costing you money

https://buoy.gg/blog/no-tools-vs-argent-vs-buoy
1•lovesworking•21m ago•0 comments

Show HN: RME – open-source Android scanner with no INTERNET permission

https://github.com/lucianRME/rme-pdf-scanner
1•LucianRME•22m ago•0 comments

What even is mathematical output?

https://thehighergeometer.wordpress.com/2026/10/12/what-even-is-mathematical-output/
3•mathgenius•22m ago•0 comments

A CTF scoreboard for HN entries

https://hn.cfptime.org/
1•PaulSec•28m ago•0 comments

Mathematics as a new Age of Discovery (and what they might find)

https://interconnected.org/home/2026/10/10/math
2•speckx•28m ago•0 comments

Diet drinks work as well as water for weight loss, major trial finds

https://www.sciencedaily.com/releases/2026/10/261002080017.htm
3•Vaslo•29m ago•2 comments