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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)

Exploring mathematics with your computer (1993)

https://archive.org/details/exploringmathema0000enge
1•vismit2000•52s ago•0 comments

Why is nobody signing up even though I launched an unlimited plan on my website?

2•petebay•1m ago•0 comments

Efficient capital allocation in media as it relates to catalog IP

https://sidecar-part-ii.danieldeboulay.com
2•deboulaymxf•3m ago•0 comments

National Security Agency launches historic restructuring

https://www.washingtonpost.com/national-security/2026/09/13/national-security-agency-launches-his...
2•punk_ihaq•4m ago•1 comments

OpenAI DevDay 2026

https://devday.openai.com
2•almyk•7m ago•0 comments

Tokenomics: Fable 5.1's reduced cache read makes it cheaper than Opus

https://skids.dev/blog/fable-cache-tokenomics/
2•ryanskidmore•9m ago•0 comments

Data Seeding in .NET

https://learn.microsoft.com/en-us/ef/core/modeling/data-seeding
1•Brysonbw•9m ago•0 comments

Ask HN: Taxes while living abroad as a US citizen

2•wnolens•10m ago•2 comments

Analysis: Why Rollback Netcode Is Better (2020) [video]

https://www.youtube.com/watch?v=0NLe4IpdS1w
1•CharlesW•11m ago•0 comments

Israeli Effective Altruism Firm Behind OpenAI, Anthropic, and Meta Cyberattacks

https://twitter.com/brianchau57/status/2099580981271318606
6•MrBuddyCasino•17m ago•0 comments

Show HN: Oversold.com – Analyze a stock in 30 seconds

https://oversold.com/
3•wolfman1•22m ago•0 comments

ICE Attacks Two U.S. Citizen Minors on Their Way to Enlist in Marines

https://newrepublic.com/post/215393/ice-attacks-us-citizen-minors-enlist-marines
5•HotGarbage•26m ago•0 comments

People We Meet Along the Way – The Story of April and Gary

https://rinaldoj.substack.com/p/the-people-we-meet-along-the-way-829
1•jrinaldo68•28m ago•0 comments

Newfound fossils are spilling Denisovan secrets

https://www.sciencenews.org/article/new-fossils-denisovan-secrets-china
1•yannoninator•28m ago•0 comments

Vibe Coding is the new Internet Dating

https://joecmarshall.com/posts/vibecoding-is-the-new-internet-dating/
2•flancrest•36m ago•0 comments

There are so many bones everywhere: The whale graveyards that transform deep sea

https://www.bbc.com/future/article/20260225-the-whale-graveyards-that-transform-the-deep-sea
1•blondie9x•37m ago•0 comments

The Top Crisis of 2026

https://www.globalcrisisindex.com/the-strait-of-hormuz-the-top-crisis-of-2026.html
1•GlobalCrisisIdx•37m ago•0 comments

Raid on Bungeling Bay

https://en.wikipedia.org/wiki/Raid_on_Bungeling_Bay
3•Bluestein•44m ago•0 comments

Show HN: Sunk Cost – How long until a local LLM rig pays for itself?

https://sunkcost.ai/
3•rlindsey123•44m ago•0 comments

Building an Application Security Program That Works

https://collinsthoughts.substack.com/p/building-an-application-security
1•smurda•46m ago•0 comments

How Modern Technology Helped a Man Find a Cure to Save His Life

https://medium.com/swlh/doug-lindsay-the-man-who-cure-himself-12d40d3f643e
1•raynchad•46m ago•0 comments

StackBlitz is joining the Open Source Pledge

https://blog.stackblitz.com/posts/stackblitz-joins-osspledge/
3•noobplus•46m ago•0 comments

The UX Research Methodology subway map trap

https://www.reddit.com/r/UXDesign/comments/1wercj5/the_ux_research_methodology_subway_map_trap/
1•s4074433•50m ago•1 comments

Open the Frontier

https://twitter.com/jack/status/2099649359017046048
8•doppp•55m ago•1 comments

VoiceStudio – local open-source ElevenLabs alternative

https://github.com/debpalash/VoiceStudio
6•iamsyr•56m ago•0 comments

OpenDisplay – open-source Sidecar for Mac to iPhone/iPad

https://github.com/peetzweg/opendisplay
3•iamsyr•57m ago•0 comments

Nicobo robot companion: less than a tool, more than a toy

https://www.nippon.com/en/japan-topics/g02619/
1•anigbrowl•1h ago•0 comments

Mapping Medieval Merv

https://www.sidestone.com/books/mapping-medieval-merv
1•zeristor•1h ago•0 comments

Duplex Cue: Does a voice agent adapt while speaking?

https://besimple.ai/blogs/duplex-cue/
1•matt_d•1h ago•0 comments

Jellyfin v12.0 Release

https://github.com/jellyfin/jellyfin/releases/tag/v12.0
6•jdironman•1h ago•0 comments