koder
sql.js
| koder | sql.js | |
|---|---|---|
| 2 | 43 | |
| 215 | 12,234 | |
| - | 0.6% | |
| 6.7 | 6.5 | |
| 6 months ago | 10 days ago | |
| JavaScript | JavaScript | |
| MIT License | GNU General Public License v3.0 or later |
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koder
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QR/bar code scanner for the Browser
[1] https://github.com/maslick/koder [2] https://qr.maslick.tech
koder React component supports a jsqr-based Web Worker (see jsQrWorker.js)
sql.js
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Show HN: Appendable – Index JSONL data and query via CDN
Hi HN! A friend and I were inspired by projects like https://github.com/sql-js/sql.js and the idea of querying files served over CDN with HTTP range requests. We started thinking: what would a database that was specifically designed for this type of use case look like? So we started building one, and we landed on a functional prototype that we're pretty proud of!
With our prototype, Appendable, we're able to serve and query large (GB+) datasets by hosting them on a static file host like Amazon S3 or Cloudflare R2 without running a separate server and worrying about things like tail latency, replication, and connection pooling -- all that is handled for us by the file hoster.
Additionally, one tenet that we have been following is Appendable won't touch your underlying data, so your jsonl file is preserved and we point at that data instead of consuming it into an Appendable-specific file format. This keeps your data yours and makes it easy to introspect the data: just open it up with your favorite editor aka vim.
We're curious what you think, we're excited to build this out further to get the performance even better and add features like pubsub. Everything is open source at https://github.com/kevmo314/appendable.
Kevin and Matthew
- How to show CRUD projects on Github?
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I made a website where you can use SQLite in your browser
My project is powered by sql.js, I recommend checking that out if you're interested - https://github.com/sql-js/sql.js/
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How to build interactive way to learn SQL using Next.js and database?
Maybe you can try to use some SQL database compiled as Web Assembly Modules? Like this one for example: https://github.com/sql-js/sql.js
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Recommendations for data structure and storage
If you want to have persistence, then I would go with a database like Dexie, as it uses IndexedDB and has transactions. If you just want something that's in memory, you could look at Sql.js or something simple like lowdb.
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I have a large JSON object (~2GB), what's the best way to make a site that lets you search through it and display the results without crashing?
not necessarily. you can host an html/js/sqlite site on github pages for free. json -> sqlite3 js -> sql
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new release of : https://sql.js.org/
Link: https://sql.js.org
- Web-Projekt - Hilfe, weil ich nicht weiß, was ich benötige :S
- Learn Postgres at the Playground
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Show HN: CSVFiddle – Query CSV files with DuckDB in the browser
Does it work with really large files? Like, >100mb or so. I was considering making something similar but with sqlite.js [1], but the problem with it is that it loads everything in memory, so I wasn't entirely sure how it will deal with larger workloads.
[1]: https://sql.js.org/#/
What are some alternatives?
pwa-qr-code-scanner - Lightweight progressive web app for scanning QR codes offline
localForage - 💾 Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
Quebec-covid-19-qr-code-decoder - A web application written in VueJS to decode and read the content of the Covid 19 vaccine QR codes provided in Québec, and show the result in a user friendly way.
LokiJS - javascript embeddable / in-memory database
Awesome-qr.js - An awesome QR code generator written in JavaScript.
PouchDB - :koala: - PouchDB is a pocket-sized database.
react-qr-scanner - React component for reading QR codes using PC web camera or mobile phone camera.
WatermelonDB - 🍉 Reactive & asynchronous database for powerful React and React Native apps ⚡️
telegram-react - Experimental Telegram web client with tdlib, webassembly and react js under the hood
DB.js - db.js is a wrapper for IndexedDB to make it easier to work against
react-qr-reader - React component for reading QR codes from webcam.
litestream - Streaming replication for SQLite.