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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)

Show HN: AirplaneMode – Simulate realistic airplane WiFi on macOS

https://github.com/freeze-rey/airplanemode-sim
1•jlreyes•24s ago•0 comments

AI Usage on Texas

https://daviduritu.substack.com/p/the-safety-valve
1•claudiug•42s ago•0 comments

Ask HN: Was Bay Area traffic less today?

1•HoldOnAMinute•2m ago•0 comments

Understanding CPUs by building one in Kotlin

https://github.com/bloderxd/kotlin-cpu
1•bloder•3m ago•1 comments

Thinking Too Different – Apple Vision Pro, Disability and 20 Months in Court

https://medium.com/@edgecaseexistence/thinking-too-different-apple-50-years-later-5d16b2257841
1•iheartbiggpus•4m ago•0 comments

Renewables hit 49.4% of global electricity capacity in 2025

https://www.theregister.com/2026/04/01/renewables_generated_nearly_half_global_power/
1•speckx•4m ago•0 comments

Best Office Chairs of 2026– I've Tested 65 to Pick Them

https://www.wired.com/gallery/best-office-chairs/
1•joozio•5m ago•0 comments

James Webb captures two galaxies in the middle of a cosmic collision

https://techfixated.com/james-webb-captures-two-galaxies-in-the-middle-of-a-cosmic-collision/
2•benlarweh•5m ago•0 comments

An Invisible Bottleneck: A Helium Shortage Threatens the Chip Industry

https://www.nytimes.com/2026/03/27/business/helium-chips-iran-war.html
1•walterbell•7m ago•0 comments

Show HN: Agent Action Guard – AI agent action safety

1•praneeth-v•7m ago•0 comments

Reverse engineering Claude Code's request signing

https://a10k.co/b/reverse-engineering-claude-code-cch.html
1•firloop•7m ago•0 comments

I Tried to Reverse Engineer Claude Code's Usage Limits

https://www.claudecodecamp.com/p/i-tried-to-reverse-engineer-claude-code-s-usage-limits
1•aray07•7m ago•0 comments

A new way to measure poverty shows the US falling behind Europe

https://www.euronews.com/business/2026/03/29/a-new-way-to-measure-poverty-shows-the-us-falling-be...
2•_DeadFred_•7m ago•0 comments

Show HN: Cloud-audit – AWS scanner that chains findings into attack paths

https://github.com/gebalamariusz/cloud-audit
1•gebalamariusz•8m ago•1 comments

Show HN: A platform to help you find the best tech jobs

https://thedream.work/
1•vulk•8m ago•0 comments

The Download: gig workers training humanoids, and better AI benchmarks

https://www.technologyreview.com/2026/04/01/1134993/the-download-gig-workers-training-humanoids-b...
1•joozio•9m ago•0 comments

Show HN: Agent Instructions and Bootstrap Components

1•oldnewthing•9m ago•0 comments

Show HN: A new model architecture because transformers are not enough

https://interfaze.ai
2•khurdula•10m ago•0 comments

Systemd: Improve Varlink adoption by changing the project name

https://github.com/systemd/systemd/issues/41448
2•allddd•10m ago•0 comments

Evaluating LLMs for Dynamic, Multimodal Clinical Decision-Making [pdf]

https://mackinstitute.wharton.upenn.edu/wp-content/uploads/2026/02/Evaluating-LLMs-for-Dynamic-Mu...
1•Topfi•11m ago•0 comments

LLMinate – LLM Captcha System

https://kaindume.bearblog.dev/llminate-llm-captcha-system/
1•kaindume•11m ago•0 comments

Why Iran targeted Amazon data centers and what that does change about warfare

https://theconversation.com/why-iran-targeted-amazon-data-centers-and-what-that-does-and-doesnt-c...
1•the-dude•12m ago•0 comments

AT&T signs deal worth $2B to upgrade emergency cellular network

https://www.reuters.com/business/media-telecom/att-signs-deal-worth-2-billion-upgrade-emergency-c...
1•voxadam•12m ago•0 comments

Drivers in Dire Crashes Relied Too Much on Ford's Hands-Free Technology – NTSB

https://www.wsj.com/business/autos/drivers-in-dire-crashes-relied-too-much-on-fords-hands-free-te...
1•bookofjoe•13m ago•1 comments

Ruby Central report reopens wounds over RubyGems repo takeover

https://www.theregister.com/2026/04/01/ruby_central_report/
2•jjgreen•15m ago•1 comments

There is no randomising a technological revolution

https://olihanney.substack.com/p/there-is-no-randomising-a-technological
1•econlmics•16m ago•0 comments

I built a local, open-source thermal printer appliance

https://old.reddit.com/r/selfhosted/comments/1s9jz4f/i_built_a_fully_local_opensource_thermal_pri...
1•thunderbong•18m ago•0 comments

Fables and Fairy Tales

https://www.globalgreyebooks.com/category/ebooks/fables-fairy-tales-page-1.html
1•joebig•18m ago•0 comments

Show HN: PDFation – Cursor for PDFs

https://pdfation.yet-to-be.com/
1•wyxuan•19m ago•0 comments

Web Search for Agents in 2026

https://michaellivs.com/blog/web-search-for-agents-2026/
2•speckx•19m ago•0 comments