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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)

Ticket-In Ticket-Out

https://en.wikipedia.org/wiki/Ticket-in,_ticket-out
1•suopspaces•1m ago•0 comments

Show HN: An honest comparison of the Agent Harness vs. six alternatives

https://time2magic.com/agent-harness
1•bishopz•6m ago•0 comments

Before and After Photos Show Data Centers Furiously Popping Up Across America

https://petapixel.com/2026/09/19/before-and-after-photos-show-data-centers-furiously-popping-up-a...
1•andsoitis•7m ago•0 comments

Breaking a four year hiatus to talk about the export keyword (PEPs 842 and 843)

https://aroberge.blogspot.com/2026/09/breaking-four-year-hiatus-to-talk-about.html
1•lumpa•7m ago•0 comments

Show HN: Primescript – Academic Markdown editor with vector search and LaTeX

https://primescript.com
1•mac-r•7m ago•0 comments

Show HN: A Mondrian-style puzzle block game

https://game.wdamao.com/mondrian-blocks/
1•wdamao•9m ago•1 comments

A Calendar of Smells

https://worldsensorium.com/a-calendar-of-smells/
1•dnetesn•10m ago•0 comments

A space war played in SQL

https://schemaverse.com/
1•thunderbong•10m ago•0 comments

Solitaire Alone Together

https://eieio.games/blog/solitaire-alone-together/
1•anitil•11m ago•1 comments

An Ocean Planet in Space

https://blue-continuum.com/an-ocean-planet-in-space
2•dnetesn•12m ago•0 comments

EZ4: A reflection-driven alternative to AWS CDK for serverless apps

https://github.com/sbalmt/ez4
2•sbalmt•16m ago•0 comments

Ask HN: How do you sell a small bootstrapped SaaS?

2•hpsilab•18m ago•0 comments

A 7B fact-checker beat 30B LLM reviewers and deleted no true claims

https://openteams.com/llm-review-reliability/
3•khuyentran1401•18m ago•0 comments

The World After Capital (2024)

https://worldaftercapital.org/
2•measurablefunc•20m ago•0 comments

How Your Internet Traffic Gets There: IXPs and Peering

https://community.ipinfo.io/t/how-your-internet-traffic-actually-gets-there-ixps-peering-and-why-...
2•shubhamjain•22m ago•0 comments

A Programming Mentality

https://www.natemeyvis.com/a-programming-mentality/
1•meetpateltech•24m ago•0 comments

Vibes vs. Evidence: What delivers AI code review quality

https://dsifry.github.io/harnesseval/
2•pjf•24m ago•0 comments

What Makes Jev Different from Other LLMs? A Simple Explanation

https://medium.com/@dolevietthang/what-makes-jev-different-from-chatgpt-and-claude-a-simple-expla...
1•vietthangif•24m ago•0 comments

Silicon Valley Saw the iPhone Coming 13 Yrs Before Apple [video]

https://www.youtube.com/watch?v=34dAyDUglrI
1•Teever•26m ago•0 comments

Something bugs me about AGI AI LLM, what if we back paddled 1000 year

https://shatteringtheabyss.substack.com/p/llm-agi-god-congratulations-humanity
1•vseedstriker•27m ago•1 comments

Context compaction, measured: FutureOS vs. Codex vs. OpenCode

https://future-os-blog.github.io/posts/context-compaction-measured.html
1•thetechlead•33m ago•0 comments

Major air traffic controller outage triggers flight chaos [video]

https://www.youtube.com/watch?v=gHUZ9W025lA
2•shinryudbz•34m ago•0 comments

Meta's Muse Is Better at Surveilling Than Helping Me

https://www.wired.com/story/metas-muse-is-better-at-surveilling-than-helping-me/
2•the-mitr•37m ago•0 comments

Android Bench 2.0 – Long Horizon Android Development Benchmark

https://developer.android.com/bench
1•bentrengrove•39m ago•0 comments

FloatLib: Verified Floating-Point Arithmetic in Lean

https://leandojo.org/floatlib.html
1•matt_d•45m ago•0 comments

Driscoll's Gave China Its Blueberries–Then China Swiped the Secret to Growing Th

https://www.wsj.com/business/driscolls-berry-farms-china-competition-b0b49f04
4•harry_nutsachs•47m ago•0 comments

Open-Sourcing Rebalancer: High-Performance Assignment Problem Solver

https://engineering.fb.com/2026/09/21/open-source/rebalancer-generic-high-performance-library-ass...
1•iamsyr•49m ago•0 comments

Lifestreams: A storage model for personal data (1996)

https://dl.acm.org/doi/10.1145/381854.381893
1•dgudkov•51m ago•0 comments

A zero-day has been released for Meta's Muse

https://github.com/pwardle/not-a-mused
2•momentmaker•51m ago•0 comments

I built an autonomous accounting tool to let AI do my taxes

https://github.com/CodeGameDev29/KFAutonomousAccounting
4•7eleven2007•51m ago•1 comments