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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)

Show HN: Discrete6502 – one thing led to another

https://epatel.github.io/discrete6502/
1•epatel99•2m ago•0 comments

Kintsugi: A Japanese traditional ceramic conservation skill

https://blogs.cardiff.ac.uk/conservation/kintsugi-a-japanese-traditional-ceramic-conservation-skill/
1•lopespm•5m ago•0 comments

Pin every country you've visited on a 3D globe

https://pinglobe.world
1•Yueyin•6m ago•1 comments

Zig by Example

https://zigbyexample.neocities.org/
1•rbanffy•6m ago•0 comments

Multiple people injured in collision involving Waymo near downtown Los Angeles

https://www.latimes.com/california/story/2026-07-26/multiple-people-injured-pico-union-collision-...
1•gamblor956•8m ago•0 comments

OKLCH in CSS: why we moved from RGB and HSL

https://evilmartians.com/chronicles/oklch-in-css-why-quit-rgb-hsl
1•gregsadetsky•9m ago•0 comments

Carbon footprint of metal production could be >10 times higher than estimated

https://phys.org/news/2026-07-carbon-footprint-metal-production-higher.html
1•littlexsparkee•10m ago•2 comments

Share the tokens, not the API key

https://freeq.at/blog/share-the-tokens-not-the-api-key/
1•chadfowler•10m ago•0 comments

C++ Vs Rust: Which is better for writing AI/ML code with LLMs

https://richiejp.com/rust-vs-cpp-llm-coded-model-conversion-from-pytorch
1•richiejp•10m ago•0 comments

Symphony of Sirens

https://99percentinvisible.org/episode/episode-79-symphony-of-sirens-revisited/
2•Eridanus2•14m ago•0 comments

Teaching Kids Forth – Anna Liberty

https://gracefulliberty.com/articles/teaching-kids-forth/
7•rbanffy•22m ago•4 comments

A Gang of Thieves Pulled Off a Multimillion-Dollar Data Center Heist

https://www.nytimes.com/2026/07/12/magazine/data-center-heist.html
2•The_Gray•23m ago•1 comments

Building a Moat: Self Learning Agents

https://twitter.com/ataiiam/status/2074501252268937703
2•gmays•23m ago•0 comments

Show HN: Amplified Futures – no-wave VCV Rack 2 modules

https://github.com/dboles99/amplified-futures-vcv
1•dboles99•24m ago•0 comments

YouTube Premium (Free) for iPhones (iOS)

https://github.com/aditauqir/fyp
1•skmpe•25m ago•1 comments

Duress Codes and How to Use Them (2024)

https://safeescape.org/duress-codes/
7•jethronethro•29m ago•0 comments

Show HN: Porting Super Hexagon to the Playdate

https://captnemo.in/superhexagon/
2•captn3m0•29m ago•0 comments

Science: A New Golden Age [pdf]

https://www.whitehouse.gov/wp-content/uploads/2026/07/Science-A-New-Golden-Age.pdf
4•Helithumper•30m ago•0 comments

Show HN: CostCompass – cost-of-living data from local scrapers, not crowdsourced

https://costcompass.net
1•FilipRaab•30m ago•0 comments

We're Thinking About Darkness All Wrong

https://www.harvardmagazine.com/science/harvard-night-dark-sky-light-pollution
3•ilamont•30m ago•0 comments

Mark Zuckerberg on Messenger (2013)

https://twitter.com/TechEmails/status/1528063312461582342
1•downbad_•32m ago•0 comments

Why we're building omics in Rust at St. Jude research hospital

https://claymcleod.dev/blog/2026-07-26-why-were-building-omics
4•azhenley•34m ago•0 comments

Unreached: Find code that exists in your repo and is never reached

https://github.com/siliroid/unreached
1•siliroid•38m ago•0 comments

UpWatch – uptime monitoring with a live public status page (free tier, no card)

https://upwatch.online/
1•snookiebaby•40m ago•0 comments

Show HN: Dub Any Podcast in Your Language Using Local Models

https://github.com/cezarc1/podcast_dub
1•ggamecrazy•41m ago•0 comments

Ask HN: How do you figure out what you're passionate about?

1•charliebwrites•41m ago•3 comments

Girl's death in China reveals human cost of unregulated science

https://www.thehindu.com/sci-tech/health/girls-death-in-china-reveals-human-cost-of-unregulated-s...
2•thisislife2•44m ago•0 comments

In the Age of AI, the Analog Restaurant Feels Radical

https://www.eater.com/trends/975087/restaurants-lean-into-bespoke-handmade-elements-during-ai-fly...
1•cdrnsf•47m ago•0 comments

What counts as cooking? In defense of the store-bought sauce

https://iza.ac/posts/2026/06/what-counts-as-cooking/
2•infinitewalk•48m ago•1 comments

Charles Gaines, author of "Pumping Iron," dies at 84

https://www.washingtonpost.com/obituaries/2026/07/25/literary-outdoorsman-he-helped-popularize-bo...
2•bookofjoe•49m ago•2 comments