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I wanted to brush up my SQL skills and was looking for an online course that included a live DB.

Most PostgreSQL courses require you to create an account or pay. This is probably because they have to bear the costs of running a full server-side database.

So I created learnpg.xyz, a collection of PostgreSQL SQL exercises that run client side.

Sharing here because it might be of use to people!

Comments URL: https://news.ycombinator.com/item?id=48968295

Points: 2

# Comments: 1

Article URL: https://mistral.ai/news/manage-prompts-and-skills-in-studio/

Comments URL: https://news.ycombinator.com/item?id=48968284

Points: 1

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Article URL: https://www.ft.com/content/6cb9570b-dccd-46f5-b42a-4d0b7b5de35a

Comments URL: https://news.ycombinator.com/item?id=48967897

Points: 1

# Comments: 0

Article URL: https://www.reuters.com/world/asia-pacific/users-metas-facebook-instagram-report-suffering-some-outages-2026-07-19/

Comments URL: https://news.ycombinator.com/item?id=48967893

Points: 1

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Article URL: https://wolbarg.com/blog/one-giant-agent-vs-100-small-agents

Comments URL: https://news.ycombinator.com/item?id=48967887

Points: 1

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Article URL: https://latentdynamics.substack.com/p/the-tactile-gating-paradox-why-cameras

Comments URL: https://news.ycombinator.com/item?id=48967870

Points: 1

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Article URL: https://duely-44998.bubbleapps.io/

Comments URL: https://news.ycombinator.com/item?id=48967864

Points: 1

# Comments: 0

Article URL: https://www.inc.com/connor-jewiss/i-got-a-full-body-scan-and-it-found-1-thing-none-of-my-devices-could-see/91375605

Comments URL: https://news.ycombinator.com/item?id=48967863

Points: 1

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Article URL: https://arxiv.org/abs/2508.12111

Comments URL: https://news.ycombinator.com/item?id=48967839

Points: 1

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Article URL: https://netflixtechblog.com/in-house-llm-serving-at-netflix-a5a8e799ea2c?source=rss-c3aeaf49d8a4------2

Comments URL: https://news.ycombinator.com/item?id=48967808

Points: 1

# Comments: 0

Article URL: https://github.com/amalshehu/pexels-skill

Comments URL: https://news.ycombinator.com/item?id=48967807

Points: 1

# Comments: 0

Article URL: https://github.com/Michael-Ax64/K4-CompilingReality/blob/main/quantum/Q9-Founders.md

Comments URL: https://news.ycombinator.com/item?id=48967803

Points: 2

# Comments: 0

Article URL: https://corporatify.pro/

Comments URL: https://news.ycombinator.com/item?id=48967779

Points: 1

# Comments: 0

Hi HN!

I created Sente. It gives your agents email capabilities with a single prompt. Agents can create email addresses and have web-hooks for incoming emails and API endpoints for sending emails and replies. Would like to know what you think about this and generally about agents having identities.

Comments URL: https://news.ycombinator.com/item?id=48967768

Points: 1

# Comments: 0

Article URL: https://www.marginpoints.com/essays/instagram-could-turn-gender-reveals-into-prediction-markets

Comments URL: https://news.ycombinator.com/item?id=48967756

Points: 2

# Comments: 0

I converged on these principles in my work with Sol so far:

Let Sol medium/high propose and implement minimum viable solution without overengineering and overthinking.

Use XHigh/Max/Ultra sparingly for hardest most complex workloads/advisory. (For Ultra I found it works best for me, when it had to control/supervised multiple complex lanes/subagents simultaneously within same high level strategic context).

Curious to hear what solutions on properly steering and guiding Sol variants have y'all found and use, alongside with your most used variants, and these variants you barely touch/don't use.

PS: I'm not talking about Terra and Luna at all, as I found them to be inferior to Sol variants for my workloads (slower, dumber, not that cheaper etc.)

Comments URL: https://news.ycombinator.com/item?id=48967745

Points: 1

# Comments: 0

I needed to run user scripts for an app, and decided to use a subset of Rust as the scripting language. I do not expect a typical user to write the script directly, a local LLM will handle it. The interpreter can be bootstrapped in a C-free path from a tiny 229 bytes seed, and self-hosts. The code was written by Claude Code (Fable/Opus) under my supervision, in a few days, which I found impressive.

Comments URL: https://news.ycombinator.com/item?id=48967743

Points: 2

# Comments: 0

Article URL: https://github.com/ionic-team/capacitor

Comments URL: https://news.ycombinator.com/item?id=48967741

Points: 1

# Comments: 0

Article URL: https://rruxandra.github.io/llm-wars-database-wars.html

Comments URL: https://news.ycombinator.com/item?id=48967717

Points: 2

# Comments: 2

Article URL: https://sumitgouthaman.com/posts/amazon-builders-library/

Comments URL: https://news.ycombinator.com/item?id=48967680

Points: 1

# Comments: 0