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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)

Why AI hasn't replaced software engineers, and won't

https://simonwillison.net/2026/Jun/14/why-ai-hasnt-replaced-software-engineers/
1•SVI•32s ago•0 comments

Heisenbug

https://en.wikipedia.org/wiki/Heisenbug
1•y1n0•1m ago•0 comments

The Null in Your Not IN

https://boringsql.com/posts/not-in-null/
1•radimm•4m ago•0 comments

A frontier without an ecosystem is not stable

https://twitter.com/i/status/2066182223213293753
1•Michelangelo11•6m ago•0 comments

New Hetzner price increase (As of 15 June)

https://www.hetzner.com/cloud/
1•radimm•8m ago•2 comments

Successful Psilocybin Treatment of Alzheimer

https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2026.1813281/full
2•cl3misch•10m ago•0 comments

Show HN: Toothpaste Picking Manager

https://github.com/notlibrary/tpm
1•notlibrary•11m ago•0 comments

World’s nuclear arsenals expanded and upgraded

https://www.sipri.org/media/press-release/2026/increasing-focus-nuclear-weapons-amid-heightened-e...
2•geox•12m ago•0 comments

Ipley Cross – Why This Type of Road Junction Will Keep Killing Cyclists (2018)

https://singletrackworld.com/2018/01/collision-course-why-this-type-of-road-junction-will-keep-ki...
1•downbad_•13m ago•0 comments

Sogen – High-performance Windows and Linux userspace emulator

https://sogen.dev/
1•fratellobigio•15m ago•0 comments

Python async exposes hidden coupling and backpressure

https://phroneses.com/articles/build/notes/how-python-async-exposes-hidden-coupling-and-backpress...
1•jhevans•15m ago•0 comments

FastContext-1.0-4B-SFT: lightweight repository-exploration subagent

https://huggingface.co/microsoft/FastContext-1.0-4B-SFT
1•cmitsakis•19m ago•0 comments

OST to PST Converter Software

https://apps.microsoft.com/detail/9p62fq9z8x7p?hl=en-US&gl=US
1•tieanderson•19m ago•0 comments

Starmer to announce 'Australia plus' ban on social media for under-16s in UK

https://www.theguardian.com/uk-news/2026/jun/14/starmer-to-announce-australia-plus-ban-on-social-...
2•beardyw•20m ago•1 comments

Ask HN: Should AI be used at all as a total beginner?

1•vetry•24m ago•0 comments

Is SMIC N+3's Metal Pitch Smaller Than Intel 18A's?

https://newsletter.semianalysis.com/p/steel-smic-n3-teardown
1•hunglee2•35m ago•0 comments

Expository Programming

https://web.archive.org/web/20121231141457/http://archive.vector.org.uk/art10000980
1•tosh•39m ago•0 comments

Only Bounds

https://smallcultfollowing.com/babysteps/blog/2026/06/09/only-bounds/
1•r4um•40m ago•0 comments

Elixir Is All You Need

https://elixirisallyouneed.dev/
3•fshr•40m ago•0 comments

DeepSeek-V4 Can't Read Images? I Made It Read

https://www.dataleadsfuture.com/deepseek-v4-cant-read-images-i-made-it-read/
2•qtalen•43m ago•0 comments

Bank of Estonia recommends keeping cash reserve at home

https://news.err.ee/1609986606/bank-of-estonia-recommends-keeping-cash-reserve-at-home
2•marklit•44m ago•0 comments

Show HN: I used Claude to build my son a Minecraft phonics game

https://alexocallaghan.com/minecraft-phonics-game
1•aocallaghan17•46m ago•0 comments

Show HN: An audit loop that only stops when it stops finding bugs

https://github.com/apoorvjain25/production-audit
1•apoorvjain25•48m ago•0 comments

Euro-Office 1.0 arrives to open-source infighting

https://www.zdnet.com/article/euro-office-is-here-libreoffice-supporters-arent-happy/
1•benkan•49m ago•0 comments

Show HN: I used Claude Mythos to build my startup in 1 day

https://www.brandlm.ai/
2•trungnx2605•49m ago•0 comments

Please Stop Bragging About Your Company's Ainess

https://samhenrycliff.medium.com/please-stop-bragging-about-your-companys-ainess-3b621b401174
2•6stringmerc•49m ago•0 comments

Botsitting, botshitting, and the hidden human labor of AI at work

https://www.glean.com/work-ai-institute/reports/work-ai-index-report
1•benkan•50m ago•0 comments

Washburn School teacher took tech out of the class. Students call it a success

https://www.kare11.com/article/news/local/breaking-the-news/washburn-high-school-teacher-took-tec...
3•thunderbong•51m ago•0 comments

Touchscreen MacBook '100% Confirmed,' Says Reputable Leaker

https://www.macrumors.com/2026/06/11/touchscreen-macbook-confirmed-leaker/
2•benkan•51m ago•0 comments

GrapheneOS Production Status

https://nodeping.com/reports/statusevents/3FL97F6RRQHJIOWL
1•Cider9986•57m ago•0 comments