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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)

Nest thermostats reach 200B kilowatt-hours in energy savings

https://blog.google/products-and-platforms/devices/google-nest/google-nest-thermostat-energy-savi...
1•ilreb•51s ago

It's OK to compare floating-points for equality

https://lisyarus.github.io/blog/posts/its-ok-to-compare-floating-points-for-equality.html
1•abnercoimbre•2m ago•0 comments

Claude Code is a black box. Here is how to trace its tool calls and LLM requests

https://www.arthur.ai/blog/claude-code-observability-tracing-with-arthur
1•pevals•3m ago•0 comments

Tech Billionaires Want Christians to Believe in AI

https://www.motherjones.com/politics/2026/04/ai-religious-right-christianity-thiel-katherine-boyl...
1•cdrnsf•3m ago•0 comments

Critical Atlantic current significantly more likely to collapse than thought

https://www.theguardian.com/environment/2026/apr/15/critical-atlantic-current-significantly-more-...
1•sideway•3m ago•0 comments

How the American Oligarchy Went Hyperscale

https://www.motherjones.com/politics/2026/04/american-oligarchy-hyperscale-data-centers-meta-open...
1•cdrnsf•3m ago•0 comments

You wouldn't have liked the Beatles

https://thomasbarrie.substack.com/p/you-wouldnt-have-liked-the-beatles
1•badc0ffee•4m ago•0 comments

Will Nvidia's moat persist? [video]

https://www.youtube.com/watch?v=Hrbq66XqtCo
1•tosh•4m ago•0 comments

AE DDS Exporter – Export DDS BC6/BC7 Texture Sequences from Adobe After Effects

https://somesmall.studio
1•bj-rn•5m ago•0 comments

AGPLv3§7 Paragraph 4 Empowers Users to Thwart Badgeware

https://sfconservancy.org/blog/2026/apr/16/badgeware-onlyoffice-nextcloud-affero-gpl/
1•hn_acker•5m ago•1 comments

Show HN: ZxClip – Mac app to edit audio like text; runs locally

https://zxclip.com/
1•SingAlong•5m ago•0 comments

Android Auto users say Gemini won't stop talking, and it's not even right

https://www.androidauthority.com/android-auto-gemini-problems-3657698/
1•speckx•7m ago•0 comments

Opus 4.7 out, noticed diff?

1•pareeknikhil•8m ago•0 comments

The New Software: CLI, Skills and Vertical Models

https://twitter.com/sandhya/status/2042631718293901391
1•gmays•9m ago•0 comments

Master branch PHP now BSD 3 Clause

https://github.com/php/php-src/commit/e4394946c2feeab74e79ae5c289a4c0120967dd1
1•sidkshatriya•9m ago•1 comments

Have some empathy for your LLMs

https://www.softwaredesign.ing/blog/have-some-empathy-for-your-llms
1•prakhar897•10m ago•0 comments

Google co-founder spends –$500M in fight against California billionaire tax

https://www.theguardian.com/us-news/2026/mar/18/google-sergey-brin-california-billionaire-tax
2•PaulHoule•10m ago•0 comments

Armed Off-Duty Cop Tried to Incite Violence at a High School Anti-ICE Protest

https://theintercept.com/2026/04/15/high-school-ice-protest-arizona-armed-cop/
2•FireBeyond•10m ago•0 comments

ANGX: Append-only logging protocol with Ed25519 signing and witness verification

1•angx•11m ago•0 comments

The Ancient Weapons Active in Your Immune System Today

https://www.quantamagazine.org/the-ancient-weapons-active-in-your-immune-system-today-20260415/
1•Brajeshwar•12m ago•0 comments

A Pascal's Wager for AI Doomers

https://pluralistic.net/2026/04/16/pascals-wager/
1•hn_acker•12m ago•0 comments

The American Experiment Has Been Infected by Oligarchs

https://www.motherjones.com/politics/2026/04/us-federal-tax-system-progressive-oligarchy-rich-cap...
2•robtherobber•13m ago•0 comments

AI mini-app creator with some cool stuff

https://alexandritesoftware.github.io/asljs/app-builder/#I!e44d7e29-c40a-4731-9092-9407b0105624
1•qdov•14m ago•2 comments

Ask HN: Suggest good RSS Readers please?

1•lalithaar•14m ago•1 comments

SQL That Reads Between the Lines

https://vgi-commanders-example.query.farm/how-it-works
1•tanelpoder•15m ago•0 comments

Leisure Activities and the Risk of Dementia in the Elderly

https://www.nejm.org/doi/full/10.1056/NEJMoa022252
1•RickJWagner•15m ago•1 comments

North American English Dialects, Based on Pronunciation Patterns

https://aschmann.net/AmEng/#SmallMapUnitedStates
1•juanplusjuan•16m ago•0 comments

Ask HN: Is GitHub Down?

1•FeistySkink•16m ago•0 comments

Hacking Rockbox to Stream Audio over HTTP

https://rockbox-desktop.leaflet.pub/3mjmq7yiqd22z
1•tsiry•16m ago•0 comments

The California town that just wants to be left alone

https://www.sfgate.com/california/article/darwin-ghost-town-21281656.php
1•speckx•16m ago•0 comments