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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)

Karpathy's knowledge base matches our Grep-is-All-You-Need paper

https://www.localkin.dev/papers/grep-is-all-you-need
1•localkin•1m ago•0 comments

We Made Technology Easy to Use. That Was a Mistake

https://slate.com/technology/2026/04/usability-complexity-apple-iphone-facebook-donald-norman.html
1•kawera•3m ago•0 comments

The Awake "Sleep" Loop: Why Attention Lapses Occur in ADHD

https://neurosciencenews.com/adhd-attention-sleep-activity-30324/
1•ivewonyoung•4m ago•0 comments

Show HN: Signals – finding the most informative agent traces without LLM judges

https://arxiv.org/abs/2604.00356
1•sparacha•4m ago•0 comments

I built a $19.99 flat-fee EU261 flight compensation letter generator

https://www.sovereign-suite.com/
1•oneprofiledev•7m ago•0 comments

The Crazy Nastyass Honey Badger

https://www.youtube.com/watch?v=4r7wHMg5Yjg
1•kaycebasques•10m ago•0 comments

Beat Cancer Off

https://beatcanceroff.com/
1•cebert•11m ago•0 comments

ArXiv will establish itself as an independent nonprofit organization

https://tech.cornell.edu/arxiv/
1•mef51•20m ago•1 comments

IntelliJ IDEA's New Kotlin Coroutine Inspections

https://blog.jetbrains.com/idea/2026/03/intellij-idea-s-new-kotlin-coroutine-inspections-explained/
1•TheWiggles•22m ago•0 comments

Writing Lisp Is AI Resistant and I'm Sad

https://blog.djhaskin.com/blog/writing-lisp-is-ai-resistant-and-im-sad/
2•djha-skin•30m ago•0 comments

Budget cuts for US science proposed again by Trump administration

https://www.nature.com/articles/d41586-026-01105-7
3•bhouston•33m ago•0 comments

Introduction to Computer Music [pdf]

https://composerprogrammer.com/introductiontocomputermusic.pdf
10•luu•37m ago•0 comments

IC3PEAK – Marching [video]

https://www.youtube.com/watch?v=xqohApD6Ng8
1•consumer451•41m ago•0 comments

Inferena – benchmarking inference of popular models on consumer hardware

http://inferena.tech/
1•kvark•43m ago•0 comments

Plant Pots, Symbiosis and Ecology

https://bryananthonio.com/blog/shift-from-ml-to-ai-engineering/
1•skyberrys•43m ago•0 comments

Show HN: A LinuxCNC gRPC Server with Clients in Rust, Go, Python, Node

https://github.com/dougcalobrisi/linuxcnc-grpc
1•dougcalobrisi•52m ago•0 comments

The Importance of Accurate Color Values (2019)

https://www.outdoorpainter.com/accurate-color-values/
2•susam•55m ago•0 comments

Show HN: Dobby Layer – Tool to uncover hidden costs in crypto trades and fix it

https://dobbylayer.com/analyze
2•ghosh_avantika•55m ago•0 comments

Demonstrating Real Time AV2 Decoding on Consumer Laptops

http://aomedia.org/blog%20posts/Demonstrating-Real-Time-AV2-Decoding-on-Consumer-Laptops/
2•breve•59m ago•0 comments

Show HN: Lagsim – Simulate real network conditions (3G, WiFi, Starlink)

https://github.com/rs/lagsim
2•poitrus•1h ago•0 comments

Families Can Now Eat Some Fish from Hudson River for First Time in 50 Years

https://www.health.ny.gov/press/releases/2026/2026-04-01_advice_for_eating_fish.htm
3•geox•1h ago•0 comments

You gave a perfect demo – they still said no

https://www.21-lessons.com/you-gave-a-perfect-demo-they-still-said-no/
2•neinasaservice•1h ago•0 comments

A broken auto-live poller, and what perceived urgency does to Claude Code

https://christophermeiklejohn.com/ai/zabriskie/reliability/2026/04/03/the-feature-that-has-never-...
3•vinhnx•1h ago•0 comments

SpaceX Pushes Back Crucial Starship Test Launch

https://www.wsj.com/business/spacex-pushes-back-crucial-starship-test-launch-e1fb91f5
5•bookmtn•1h ago•0 comments

Discovery of capability overhangs via wiki writing

1•piyh•1h ago•1 comments

Brain scans reveal how to enters a psychedelic-like trance without drugs

https://www.psypost.org/brain-scans-reveal-how-a-woman-voluntarily-enters-a-psychedelic-like-tran...
8•ingenika•1h ago•1 comments

I built an autoresearch loop for performance engineering (27% speedup hashtable)

https://bluuewhale.github.io/posts/i-automated-my-way-to-a-27-percent-faster-hash-table/
1•bluuewhale•1h ago•0 comments

Black Hat USA 2025 – HTTP/1.1 Must Die the Desync Endgame [video]

https://www.youtube.com/watch?v=FJbuAyxTTWc
2•Jach•1h ago•0 comments

Cuneicode - Exact rational arithmetic. Quantum computing stdlib.

https://github.com/enkimecca/cuneicode
1•enkimecca•1h ago•0 comments

The secrets of black holes and the Higgs mass could be hidden in a 7D geometry

https://phys.org/news/2026-04-secrets-black-holes-higgs-mass.html
3•teleforce•1h ago•0 comments