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Super Lightweight Data Management

1•snappr021•11mo 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)

Zero Days Clock

https://zerodayclock.com/
1•baxtr•35s ago•0 comments

Paraloid B-72

https://en.wikipedia.org/wiki/Paraloid_B-72
1•Ariarule•3m ago•0 comments

Five Simple Steps to Fix America

https://geohot.github.io//blog/jekyll/update/2026/04/18/five-simple-steps.html
1•inatreecrown2•6m ago•0 comments

The Dangers of Nicotine Biohacking

https://www.lung.org/blog/nicotine-biohack-dangers
1•KnuthIsGod•6m ago•0 comments

GPT 5.5 Released in Codex

1•zuzululu•7m ago•0 comments

An Algorithmic Reconstruction of Normalisation by Evaluation

https://yangzhixuan.github.io/NbE.html
1•matt_d•9m ago•0 comments

Global energy markets are on the verge of a disaster

https://www.economist.com/finance-and-economics/2026/04/21/global-energy-markets-are-on-the-verge...
1•petethomas•20m ago•0 comments

Moving a tenant across PostgreSQL instances

https://ananthakumaran.in/2026/04/22/moving-tenant-across-postgresql-instances.html
1•ananthakumaran•23m ago•0 comments

Can EVs kill off petrol cars in China?

https://www.ft.com/content/c78e0368-cc57-4f92-ad62-a073e01ba73d
1•petethomas•26m ago•0 comments

Code, your choice: Netlify's stance on AI training data

https://www.netlify.com/blog/stance-on-ai-training-data/
1•kristianp•28m ago•1 comments

Changes to GitHub Copilot Individual Plans

https://simonwillison.net/2026/Apr/22/changes-to-github-copilot/
2•omer_k•30m ago•0 comments

Bob Dylan – Murder Most Foul (Official Audio) [video]

https://www.youtube.com/watch?v=3NbQkyvbw18
1•hkhn•32m ago•0 comments

The Mattering Instinct: How Our Deepest Longing Drives Us and Divides Us

https://rebeccagoldstein.com/the-mattering-instinct/
1•hkhn•34m ago•0 comments

OpenBSD – LibreSSL 4.3.1 Released

https://www.undeadly.org/cgi?action=article;sid=20260420085845
2•peter_hansteen•34m ago•0 comments

Elon Musk's SpaceX Endgame

https://www.theatlantic.com/technology/2026/04/elon-musk-starlink-satellites/686877/
2•paulpauper•36m ago•0 comments

The State of the Human Rights: April 2026

https://www.amnesty.org/en/documents/pol10/0320/2026/en/
1•hkhn•37m ago•0 comments

Hundreds trying to storm Wisconsin beagle research facility

https://www.msn.com/en-us/news/world/hundreds-trying-to-storm-wisconsin-beagle-research-facility-...
1•rguiscard•37m ago•0 comments

Happiness Feels

https://passiveaggressionoftheworlds.substack.com/p/how-happiness-feels
1•bunson_burner•41m ago•0 comments

Microsoft's GitHub grounds Copilot account sign-ups amid capacity crunch

https://www.theregister.com/2026/04/20/microsofts_github_grounds_copilot_account/
2•gpi•42m ago•0 comments

Ask HN: What Would Make Stack Overflow Great Again?

3•nnurmanov•47m ago•1 comments

Claude 4.7 blocks cyber prompts: before the fact vs. after the fact

https://raxitlabs.com/blogs/claude-47-five-layers-cyber-blocking
2•agairola•49m ago•0 comments

Show HN: XTTV, the App to watch long video from Twitter/X on Apple TV

https://apps.apple.com/us/app/xttv/id6757870255
1•ShawFei•49m ago•0 comments

Cognition without brains? Learning and memory in microorganisms

https://www.sciencedirect.com/science/article/pii/S0966842X26000909
1•the-mitr•49m ago•0 comments

Agent Harness Engineering

https://addyosmani.com/blog/agent-harness-engineering/
3•tanelpoder•53m ago•0 comments

Benchmarking Cloud vs. Local LLMs Why back end choice matters more than quant

https://arxiv.org/abs/2604.18566
2•tleitch•55m ago•0 comments

Ask HN: Is the internet getting more jank?

2•taurath•55m ago•1 comments

Everyone should have the opportunity to build their own house

https://reveriesofahuman.com/everyone-should-have-the-opportunity-to-build-their-own-house/
1•dartharva•57m ago•0 comments

Deeply Rooted

https://oxfordamerican.org/oa-now/deeply-rooted
1•gmays•59m ago•0 comments

HackerFork – Surfaces HN posts that never make the front page

https://hackerfork.com
2•saadn92•1h ago•1 comments

Sys. Review: The Impact of Covid-19 Vaccination on Myocarditis Risk and Recovery

https://www.mdpi.com/2039-7283/16/4/77
1•cratermoon•1h ago•0 comments