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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: Wealtii – Digital Asset index funds with on-chain 1:1 backed vaults

https://wealtii.com/funds
2•zayd7861•2m ago•0 comments

macOS California Camino

https://basicappleguy.com/basicappleblog/macos-california-adventure
1•herbertl•2m ago•0 comments

PostgreSQL Jsonb vs. MongoDB BSON: The Real Architectural Tradeoffs

https://visualeaf.com/blog/postgresql-jsonb-vs-mongodb-bson-architectural-tradeoffs/
1•amai•4m ago•0 comments

Show HN: I built Exfault, agentic mobile app pentesting tool

https://www.exfault.com/
2•shubh_sidhu•6m ago•0 comments

Swarm intelligence without degradation using two Qwen models

1•kofdai•6m ago•0 comments

Creating a Personalised Bin Calendar

https://alexwlchan.net/2026/bin-calendar/
1•surprisetalk•8m ago•0 comments

Toto: From Toilets to E-Chucks [video]

https://www.youtube.com/watch?v=CIB49e_r1OI
1•lyall•9m ago•0 comments

Show HN: Interactive Calculators Hub

2•StizzurpXDD•11m ago•0 comments

SteamOS now offered with new gaming prebuilt PCs

https://videocardz.com/newz/steamos-now-offered-with-new-gaming-prebuilt-pcs
2•LorenDB•12m ago•0 comments

Browser CLI for Agents

https://github.com/detrin/brow
3•kekqqq•14m ago•0 comments

A playbook to rank #1 of the day on ProductHunt

https://m-ric.com/blog/how-to-get-number-1-on-producthunt/
1•aubanel•14m ago•0 comments

Teaching AI how people work is fraught with problems

https://www.economist.com/business/2026/06/25/teaching-ai-how-people-work-is-fraught-with-problems
1•andsoitis•14m ago•1 comments

MD5 Implemented in Bash

https://www.youtube.com/watch?v=VDQmu6KzDvU
2•HeadlessChild•16m ago•2 comments

Show HN: ZUSE – 69x causal compression of a period-15 CA oscillator

https://github.com/conchaestradamiguelangel-droid/zuse-automat-agent
2•conchaestrada•16m ago•0 comments

Metis Learning – Personal Education Platform

https://metis-learn.io/
2•0xfinney•19m ago•0 comments

DRAM Crisis Until 2028

https://www.techpowerup.com/350343/micron-predicts-dram-crisis-until-at-least-2028
3•mr_fantastic•19m ago•0 comments

CaseHero – their call is recorded, yours isn't

https://apps.apple.com/us/app/casehero/id6757936177
1•root_theory•20m ago•0 comments

Did an experienced alpinist leave his girlfriend to die atop a mountain?

https://www.newyorker.com/magazine/2026/07/06/did-a-climber-leave-his-girlfriend-to-die-at-the-to...
2•bookofjoe•20m ago•2 comments

Is closed source even a moat anymore?

https://www.makerchecker.ai/insights/open-source-is-in-again/
1•smashini•21m ago•0 comments

Atrial Fibrillation

https://en.wikipedia.org/wiki/Atrial_fibrillation
1•efavdb•22m ago•0 comments

Zig and the Zig Guy

https://rosswintle.uk/2026/06/zig-and-the-zig-guy/
2•surprisetalk•23m ago•0 comments

GameBoy Emulator on ESP32 and eInk (M5Stack PaperS3) [video]

https://www.youtube.com/watch?v=oPbOK90aJEo
2•HelloUsername•24m ago•0 comments

Instagram is incorporating users' photos in ads for Mera Glasses

https://twitter.com/i/status/2071277885646868536
16•notRobot•27m ago•0 comments

Universal NT Installer: A Lightweight Linux-Based Installer for Windows NT

https://github.com/ages2001/Universal-NT-Installer
1•LorenDB•27m ago•0 comments

Why Spreading Yourself Thin Feels Like Winning

https://alifeengineered.substack.com/p/why-spreading-yourself-thin-feels
2•speckx•28m ago•0 comments

Reflections on 1,000 Days of Math

https://twitter.com/gabemays/status/2071441859709145563
2•gmays•28m ago•0 comments

Show HN: Create agents that grow to fulfill their purpose

https://github.com/opsyhq/wolli
3•saba-ch•28m ago•0 comments

France records around 1k excess deaths in heatwave

https://www.lemonde.fr/en/france/article/2026/06/28/france-records-around-1-000-excess-deaths-in-...
3•rawgabbit•29m ago•0 comments

Building Principia for Windows XP

https://voxelmanip.se/2026/06/28/building-principia-for-windows-xp/
6•LorenDB•30m ago•1 comments

Show HN: Backtest a futures strategy described in plain English

https://askfutures.com
4•jmulla•31m ago•0 comments