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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: Hwatu – verification browser for coding agents (WebKit, one binary)

https://github.com/hongnoul/hwatu
1•hongnoul_•1m ago•0 comments

Show HN: SimTelemetry – SIM Racing Telemetry and Analysis

https://simtelemetry.site
1•ryanxsim•3m ago•0 comments

Case Study: AI Trainer Platform and Job Board [Months 1-6]

https://www.indiehackers.com/post/case-study-ai-trainer-platform-and-job-board-months-1-6-fcb5f25d54
1•interceptor666•7m ago•0 comments

Show HN: Nostalgia – A shareable Windows 98 desktop builder

https://nostalgia-stilloo.zocomputer.io/
1•tsachin•8m ago•0 comments

Stop screeching about immigration, and get smart about it

https://www.noahpinion.blog/p/stop-screeching-about-immigration
1•squirrel•8m ago•0 comments

Show HN: AI Toolbox supports Claude Opus 5

https://www.ai-toolbox.co
1•superduper5551•8m ago•0 comments

Ask HN: Good Data Classification Software?

1•ChrisRun•11m ago•0 comments

New Tariffs Cover 99.4% of U.S. Imports. Your Plan Doesn't

https://medium.com/@alanscottencinas/new-tariffs-cover-99-4-of-u-s-imports-your-plan-doesnt-cb3a7...
1•encinas88•16m ago•0 comments

Code mode can help smaller LLM models

https://instavm.io/blog/how-code-mode-can-help-smaller-llm-models
1•mkagenius•20m ago•0 comments

Show HN: The TERSE state language and protocol

https://github.com/terse-lang/terse
1•infiniteAdmin•20m ago•1 comments

WICG Proposal Draft: Web Smart Card API

https://wicg.github.io/web-smart-card/
1•ubavic•22m ago•0 comments

Geometric Median

https://en.wikipedia.org/wiki/Geometric_median
1•rzk•22m ago•0 comments

SIMD within a bignum in pure Python

https://www.da.vidbuchanan.co.uk/blog/python-swar.html
1•fanf2•24m ago•0 comments

Click to Pray, Click to Leak: The Pope's Official App Exposes 700K+ User Emails

https://bobdahacker.com/blog/click-to-pray
3•OuterVale•27m ago•0 comments

Sharecoin – GPU fork of Bitcoin with a randomness beacon

https://github.com/TVHeroes/Sharecoin
2•TVHeroes•35m ago•0 comments

I'm Running a Programming Contest

https://eieio.games/blog/im-running-the-icfp-programming-contest/
1•signa11•37m ago•0 comments

The interesting part of an Agent Harness is what you add on top

https://www.martinrichards.me/post/whats_inside_the_harness/
1•3uler•37m ago•1 comments

Why a philosopher turned down Anthropic (AI industry asking the wrong questions)

https://www.ft.com/content/bdb3b820-905b-431e-82c0-386535755af1
2•bishopsmother•38m ago•0 comments

Memory Safety's Hardest Problem

https://matklad.github.io/2026/07/20/memory-safety-hardest-problem.html
1•miniBill•41m ago•0 comments

Continuation-Centric Computing with Arca

https://www.usenix.org/conference/osdi26/presentation/srivatsan
1•matt_d•42m ago•0 comments

Vortex – a Bluetooth-first alternative to KDE Connect

https://github.com/zoir-dev/vortex
2•zoyirjon•43m ago•0 comments

Ask HN: Teach Me Something New

1•chistev•43m ago•1 comments

Trump lashes out at 'fake news' jokes about 2028 presidential run, in press gala

https://www.france24.com/en/americas/20260725-trump-lashes-out-at-fake-news-and-jokes-about-2028-...
1•JPLeRouzic•43m ago•0 comments

Attorney General Bonta Secures Deal Halting Warner Bros

https://oag.ca.gov/news/press-releases/attorney-general-bonta-secures-deal-halting-warner-bros-pa...
1•01-_-•44m ago•0 comments

Australia's Next Target in the War on Kids Online: Your VPN

https://www.techdirt.com/2026/07/20/australias-next-target-in-the-war-on-kids-online-your-vpn/
1•01-_-•45m ago•0 comments

Against Slop: An Interview with Meghan O'Gieblyn

https://substack.nybooks.com/p/against-slop-an-interview-with-meghan
1•Michelangelo11•46m ago•0 comments

QBE Build Script for Windows

https://codeberg.org/codemplasi/QBE-Compiler-Backend-for-windows
1•triilman•48m ago•1 comments

A Rubyist in Go Land: Your First Pokémon API Client

https://baweaver.com/writing/2026/07/24/a-rubyist-in-go-land-your-first-pokemon-api-client/
1•thunderbong•48m ago•0 comments

The Last Honest Movie Star [video]

https://www.youtube.com/watch?v=1leVuo5M6w4
2•7777777phil•49m ago•0 comments

Amazon cuts some jobs in its artificial general intelligence unit

https://www.cnbc.com/2026/07/22/amazon-lays-off-some-employees-in-its-agi-unit.html
5•mgh2•51m ago•0 comments