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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)

I vibe-coded a travel app in a weekend, security scan found 8 critical flaws

https://github.com/KrazyKulsum/trip-together-planner-21/tree/main
1•kulsumshannan•36s ago•0 comments

Stuck agents: coverage, capacity, or me

https://saheb.github.io/blog/posts/stuck-agents-coverage-capacity-or-me/
1•saheb37•2m ago•0 comments

The Download: OpenAI's predictable hack, and an AI stock sell-off

https://www.technologyreview.com/2026/07/28/1140868/the-download-openai-hack-ai-stock-sell-off/
1•joozio•2m ago•0 comments

Bots Took over Our Lives

https://www.newyorker.com/culture/the-lede/how-bots-took-over-our-lives
1•Brajeshwar•3m ago•0 comments

I Learned Floot and Perfai Security over One Weekend and Built a Real Estate App

https://github.com/wahidmmadiha/Homescope/tree/main
1•madihamwahid•4m ago•0 comments

Plan your running and lifting training weeks in seconds

https://polyvalent.fit/
1•luckylokman•4m ago•1 comments

Substack writers, you need a website

https://elizabethtai.com/2026/06/10/substack-writers-you-need-a-website/
1•speckx•6m ago•0 comments

Show HN: Encryption for YouTube Videos++

https://github.com/Kjos/VideoTomb
1•ktwee•8m ago•0 comments

Increasing the lot sizes of our digital homes

https://thinking-with-portals.leaflet.pub/3mrpswcfilk27
1•demux•11m ago•0 comments

EVE Online virtual space war costs gamers £400k

https://www.bbc.com/news/articles/cnvp7364q5no
2•speckx•12m ago•0 comments

Defending American Information; US Communications Security Policy Since 1945

https://www.nsa.gov/Press-Room/News-Highlights/Article/Article/4545295/defending-american-informa...
1•atlasunshrugged•12m ago•0 comments

The Kids Are Kind of All Right

https://www.newyorker.com/news/fault-lines/the-kids-are-kind-of-all-right
2•petethomas•12m ago•0 comments

Free Formatter – Online coding tools website shuts down after 10 years

https://www.freeformatter.com/
1•thatsnotmepls•15m ago•0 comments

Show HN: NoClick – Build always-on agents with your existing AI subscriptions

https://www.noclick.com/
1•dhruvyads•16m ago•0 comments

Citizen of the Galaxy (full text) by Robert Heinlein

https://metallicman.com/laoban4site/citizen-of-the-galaxy-full-text-by-robert-heinlein-2/
1•speckx•17m ago•0 comments

Apple Retires iPhone Upgrade Program for Klarna-Backed Leases

https://www.macrumors.com/2026/07/28/apple-upgrade-program-klarna/
1•ksec•18m ago•1 comments

Octane: React's programming model compiled without a virtual DOM

https://octanejs.dev/
1•blweiner•19m ago•1 comments

Deserts face unprecedented flash flooding

https://www.nature.com/articles/d41586-026-02349-z
1•Brajeshwar•19m ago•0 comments

Synergize: A Turing complete esolang inspired by too many meetings

https://github.com/voidnullvalue/synergize
1•voidnullvalue•20m ago•0 comments

Basics of Understanding Chess

https://www.youtube.com/watch?v=obCtTZdL9Bo
1•sultanbasitkhan•21m ago•0 comments

Show HN: Cynative – Read-only CLI in Go that explains your live infrastructure

https://github.com/cynative/cynative
3•szin•21m ago•1 comments

We Cannot 100% Trust AI-Generated Output: A Concrete Example

https://giodicanio.com/2026/07/28/why-we-should-double-check-the-ai-output-a-bug-which-wasnt/
2•movd128•22m ago•1 comments

Why Are Gay Bars Building Databases of Their Patrons?

https://www.eff.org/deeplinks/2026/07/why-are-gay-bars-building-databases-their-patrons
7•hn_acker•24m ago•1 comments

Forensic Statistics in Python

https://www.johndcook.com/blog/2026/07/21/forensic-accounting-in-python/
2•ibobev•24m ago•0 comments

Excel Column Numbering

https://www.johndcook.com/blog/2026/07/25/excel-column-numbering/
1•ibobev•24m ago•0 comments

Cryptographic Keys and Decks of Cards

https://www.johndcook.com/blog/2026/07/28/keys-and-cards/
1•ibobev•24m ago•0 comments

The first autonomous fleet to turn your Intent into production systems

https://intentlab.ai/blog/turn-your-intent-into-production-systems
1•hi9•27m ago•0 comments

Wrapping the transverse foot arch improves running economy (2025)

https://journals.biologists.com/jeb/article-abstract/228/15/jeb250566/368675/Wrapping-the-transve...
1•bookofjoe•28m ago•0 comments

San Francisco mayor backs national robotaxi rules after Waymo meltdowns

https://www.politico.com/news/2026/07/28/san-francisco-waymo-washington-01013227
2•rurp•29m ago•0 comments

Weaponized Germs Are Deadly, Unstoppable, and Real

https://www.nytimes.com/2026/07/27/books/review/biological-war-annie-jacobsen.html
2•jibcage•29m ago•0 comments