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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)

Science in Action: How to Build a Corsi-Rosenthal Box

https://engineering.ucdavis.edu/news/science-action-how-build-corsi-rosenthal-box
1•cf100clunk•18s ago•0 comments

Engineering High-Performance Parsers with Data-Oriented Design

https://www.arshad.fyi/writings/engineering-high-performance-parsers
1•mattjhall•23s ago•0 comments

Codeberg Is Degraded

https://status.codeberg.org/status/codeberg?sort_2=uptime_asc
1•toilet•44s ago•0 comments

Show HN: Build a web app to help people focus on their productive work

https://mytodo.dev/
1•adarshkaraka•1m ago•0 comments

Mornings in Cupertino Have the Aroma of Napalm Once Again

https://daringfireball.net/2026/07/mornings_in_cupertino_have_the_aroma_of_napalm_once_again
1•Brajeshwar•3m ago•0 comments

The Naturalist's Library

https://www.c82.net/naturalists-library/
2•bookofjoe•3m ago•0 comments

Wiki Spy

https://neal.fun/wiki-spy/?
1•vismit2000•3m ago•1 comments

Show HN: PostgreSQL course with database running in your browser

https://learnpg.xyz
2•Serpant•5m ago•1 comments

Prompts and Skills need a system of record

https://mistral.ai/news/manage-prompts-and-skills-in-studio/
1•yruzin•6m ago•0 comments

Number of days reaching 100°F and 105°F have declined since 1895

https://twitter.com/ChrisMartzWX/status/2078566117711196362
1•bilsbie•6m ago•0 comments

Weight loss drugs may improve job prospects and dating odds for one group

https://www.foxnews.com/health/weight-loss-drugs-may-improve-job-prospects-dating-odds-one-group
1•jgalt212•10m ago•0 comments

China's Xpeng debuts flying car in Germany

https://apnews.com/video/chinas-xpeng-debuts-flying-car-in-germany-8a67e649e7db49e698005f6754390df7
2•thelastgallon•10m ago•1 comments

America's Enterprising Spirit Is Booming After Decades-Long Slump

https://www.nytimes.com/2026/07/17/business/economy/american-small-business-boom.html
1•TMWNN•12m ago•0 comments

China quietly saved the world last month [video]

https://www.youtube.com/watch?v=BkA0bkb6ZO0
1•dataflow•12m ago•0 comments

Plants That Make Real Dairy Protein? Scientists Discover an Unexpected Shortcut

https://www.cfhu.org/news/plants-that-make-real-dairy-protein-hebrew-u-scientists-discover-an-une...
1•geox•14m ago•0 comments

Show HN: DWS A LLM Generated, "Drudge Report" style news site

https://news.dws.rip/
2•tdubey•14m ago•0 comments

I love dining alone. So should you.

https://www.washingtonpost.com/food/2026/07/16/want-truly-appreciate-dining-out-eat-alone/
2•0in•14m ago•0 comments

The King's Great Fortune

https://aethermug.com/posts/kings-great-fortune
1•mrcgnc•15m ago•0 comments

I Made Acquiring Customers Easier

https://seenearme.com/
1•Rollmodl•16m ago•1 comments

Double slash in Web addresses 'a bit of a mistake' (2009)

https://www.zdnet.com/article/double-slash-in-web-addresses-a-bit-of-a-mistake/
1•taubek•19m ago•0 comments

Show HN: Knowledge graph skill for Claude/Kimi Code

https://org-edge.com/sysedge.html
2•org-edge•19m ago•0 comments

Doing things right is a lonely craft

https://en.andros.dev/blog/d0d251b2/doing-things-right-is-a-lonely-craft/
2•inigyou•20m ago•0 comments

What Did We Lose When We Lost the Stars

https://theconvivialsociety.substack.com/p/what-did-we-lose-when-we-lost-the-c3b
2•longdefeat•22m ago•0 comments

Ask HN: What leads to government websites being badly engineered?

1•curiousaboutml•23m ago•0 comments

Holo: macOS utility turns desk around a MacBook into four assignable tap zones

https://github.com/JustinGamer191/Holo
1•ingve•23m ago•0 comments

Show HN: Free Math game for 6-8 years old – no accounts, works offline

https://github.com/abhas9/escape-run
1•redcat99•25m ago•0 comments

Pricing for 145 models LLM/STT/TTS aggregated and comparable

https://hail.so/costs
2•r13i•27m ago•0 comments

The Mathematics of Traffic Jams

https://theconversation.com/dont-change-lanes-the-maths-of-holiday-traffic-jams-287389
1•rwmj•30m ago•0 comments

Deliver Rider wins China's top literary prize for poetry

https://www.sixthtone.com/news/1018783/DeliverRiderWinsChina’sTopLiteraryPrizeforPoetry
1•whiteblossom•31m ago•0 comments

Show HN: Mute Users

https://github.com/David-OConnor/hn_mute
1•the__alchemist•32m ago•0 comments