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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)

A resume builder for pets, for those who need to prove their animal isn't feral

https://petresume.co/
1•droopyKnees•3m ago•1 comments

The Khan Ted Institute

https://khanted.org/Home
1•capex•10m ago•0 comments

Ask HN: API Request for Feedback OK in Show HN?

1•casefile_dev•10m ago•1 comments

Opentargets-py – Python SDK for the Open Targets drug discovery database

https://pypi.org/project/opentargets-py/
1•goknurarican•15m ago•0 comments

Old Computers Sucked

https://oldcomputerssucked.com/
1•st_goliath•15m ago•0 comments

Is ChatGPT's web front end being intentionally degraded?

https://chatgpt.com
1•linzhangrun•18m ago•1 comments

Rise against the Machines: The Luddites [video]

https://www.youtube.com/watch?v=oeFTuD4Mnug
1•linsomniac•20m ago•0 comments

At the HumanX conference, everyone was talking about Claude

https://techcrunch.com/2026/04/12/at-the-humanx-conference-everyone-was-talking-about-claude/
1•Rafsark•21m ago•0 comments

The Cost of Cheap Clone Boards: Streaming Video on an STM32H750

https://msj.prose.sh/debug_streaming_weact_stm32h750
1•melastmohican•22m ago•1 comments

Robotaxi is now rolling out in Dallas and Houston

https://twitter.com/robotaxi/status/2045564609504116771
2•iknowstuff•24m ago•2 comments

AI chip startup Cerebras files for IPO

https://techcrunch.com/2026/04/18/ai-chip-startup-cerebras-files-for-ipo/
1•AnhTho_FR•24m ago•0 comments

Show HN: I built a CLI to fake Git commits

https://github.com/TDiblik/git-forge
2•TDiblik•29m ago•0 comments

No more bill shocks budget alerts comes to Cloudflare

https://projektisle.com/2026/04/no-more-bill-shocks-budget-alerts-comes-to-cloudflare/
1•todotask2•30m ago•0 comments

PostgreSQL Just Got Its Biggest Upgrade That Will Change DB Performance in 2026

https://medium.com/@CodingWithAbhi/postgresql-17-performance-upgrade-2026-f4222e71f577
1•breve•33m ago•0 comments

That 90s Chat Program You Don't Remember

https://www.youtube.com/watch?v=fMKiz7KTSz4
1•1o1o1o1o1•36m ago•0 comments

Deutsche Telekom has a bad DKIM key

https://infosec.exchange/@badkeys/116407565746342278
4•icco•37m ago•0 comments

Show HN: nvsx – A hook layer for NVSentinel GPU fault remediation

https://github.com/nav-beep/nvsx
1•essekar•38m ago•0 comments

MuJoCo – Advanced Physics Simulation

https://github.com/google-deepmind/mujoco
1•modinfo•39m ago•0 comments

Mailinator's Universal IDP

https://www.mailinator.com/introducing-mailinators-universal-idp/
3•zinxq•44m ago•0 comments

Hire a Freelancer Quantitative Developer

https://mathematicsconsultants.com/2026/04/19/hire-a-freelance-phd-quantitative-developer-or-rese...
1•GeniusConsult•46m ago•0 comments

The Social Battery and Symbolic Systems: Religion as Mediated Reciprocity

https://www.academia.edu/165768082/The_Social_Battery_and_Symbolic_Systems_Religion_as_Mediated_R...
1•W_G_III•49m ago•0 comments

Decision Density

https://jamesshelley.com/decision-density.html
1•zdw•50m ago•0 comments

Show HN: Slop Cop Claude Code / Cursor Plugin

https://github.com/yasyf/slop-cop
2•yasyfm•53m ago•0 comments

HTML5 Coupler Loop – Working

https://neocities.org/
4•rogmash•53m ago•7 comments

Sandboxes and Worktrees: My Secure Agentic AI Setup in 2026

https://mikemcquaid.com/sandboxed-agent-worktrees-my-coding-and-ai-setup-in-2026/
3•jdorfman•54m ago•0 comments

Five Days That Remade the Supreme Court

https://www.nytimes.com/2026/04/18/us/politics/supreme-court-shadow-docket.html
5•mitchbob•57m ago•1 comments

Changes in the system prompt between Claude Opus 4.6 and 4.7

https://simonwillison.net/2026/Apr/18/opus-system-prompt/
4•simonw•59m ago•1 comments

Show HN: Open Passkey – open-source passkey auth with free "backendless" host

https://github.com/locke-inc/open-passkey
2•connorpeters•1h ago•0 comments

OpenAI's April 2026 Policy Release: Industrial Policy for the Intelligence Age

https://www.landgate.com/news/energy-intelligence-for-open-ai-s-industrial-policy-blueprint
1•ninjahawk1•1h ago•0 comments

Testing Out the Armips Assembler on the Xorshift PRNGs

https://bumbershootsoft.wordpress.com/2026/04/18/testing-out-the-armips-assembler-on-the-xorshift...
1•ibobev•1h ago•0 comments