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Show HN: Lightweight C++23 S3 client with no extra deps (just curl and OpenSSL)

https://github.com/ggcr/s3cpp
5•ggcr•5d ago
Attached is my attempt at making a small toy S3 client without any other dependency besides libcurl and OpenSSL. Was tested mainly on MinIO (RIP) locally, so I would expect some bugs when using it against AWS, although I was able to play with it on some open access buckets

Be aware that I am not a C++ programmer and this project was indeed done to learn a bit of C++ myself :')

Feedback on any of the code, either on gtest, or the benchmarking section or the core itself is welcome!

Comments

cherryteastain•5d ago
You may want to look into coroutines so that the data can be fetched asynchronously.
ggcr•5d ago
Yep! I'd also like to explore C++26 reflection for the XML FSM parser I currently have

Everything so far is synchronous. In our toy benchmarks I've found out Go to be quite performant, perhaps it's using go-routines behind the scenes (?) Haven't explored their internals yet but I was surprised

bitbasher•5d ago
“Just” curl and openssl. Those are not small and do a ton of lifting… easily adds 2-3mb to a static binary.
ggcr•5d ago
Fair point. Should've titled it "minimal dependencies" perhaps

Since C++ has no HTTP client in its std lib, I really had no other choice but to use curl. Same with OpenSSL. It'd be quite naïve of me to re-implement the whole HTTP stack and SHA256 from scratch =)

vrighter•4d ago
a lightweight car kit that comes with everything you need to build a fully working car! All you need to add is a working engine (sold separately).

What 'Getting Your Hands Dirty' Means at LLM-Era

https://carette.xyz/posts/the_mud_and_the_mind/
1•maarcel93•2m ago•0 comments

The new HTTP QUERY method explained

https://kreya.app/blog/new-http-query-method-explained/
1•CommonGuy•2m ago•0 comments

Gemini provides phone number of scammer posing as Delta Airlines

https://old.reddit.com/r/artificial/comments/1u9t7mp/gemini_helped_me_get_scammed/
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Ask HN: What do you use for scientific presentations?

2•hamburgererror•9m ago•0 comments

Show HN: UAVs FYI – Drone database with supply chain data, API and CLI

https://www.uavs.fyi/
1•Osoraku•10m ago•0 comments

GLM-5.2: Chop off 84% of the volume from a 1.5TB model, still retain 82% power

https://twitter.com/AYi_AInotes/status/2067642004184383564
3•vantareed•10m ago•1 comments

Claude Artifacts

https://claude.com/blog/artifacts-in-claude-code
2•czeizel•12m ago•0 comments

Show HN: One-click fork of "Everything Claude Code" onto an isolated microVM

https://www.jurniti.com/templates/ecc
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Trillions of dollars spent just to work on customer services?

2•YihaoZhang•14m ago•0 comments

Capitol Alpha Machine – interactive viz of congressional stock trades

https://capitolalpha.app/
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GCP IAM Authorization Bypass

https://olearysec.com/research/config-connector-authorization-bypass/
3•sanbor•18m ago•0 comments

Show HN: Avera – a deterministic check that proves no regression was introduced

https://github.com/tc7kxsszs5-cloud/avera
1•kiku79•19m ago•0 comments

Build yor form back end infrastrture under 30sec

1•unaisshemim•20m ago•1 comments

Elysia Marginata

https://en.wikipedia.org/wiki/Elysia_marginata
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RemotePower – self-hosted fleet monitoring with built-in vulnerability scanning

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1•tyxak•27m ago•0 comments

Show HN: I was drowning in browser tabs, so I built this

https://microsoftedge.microsoft.com/addons/detail/gopeek/ffaeanmhghmohbponokefmbhfkkomnmk
4•formit34•27m ago•1 comments

Icon.museum – A curated gallery of app icon design

https://icon.museum
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Impossible Challenge

https://itch.io/jam/impossible-challenge
1•alisio85•28m ago•0 comments

Terminal-Bench Challenges: long-horizon, token-intensive, single-task benchmarks

https://www.tbench.ai/news/terminal-bench-challenges
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High-performance code intelligence MCP server

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2•giamma•29m ago•2 comments

Show HN: Redteam:If you are using more than 2 coding agents

https://github.com/AscendyProject/redteam
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Usbliter8 an A12/A13 SecureROM Exploit

https://ps.tc/pages/blog-usbliter8.html
2•Cider9986•35m ago•0 comments

Ukrainian drone makers target Asia as Taiwan tensions spur demand

https://www.reuters.com/world/china/ukrainian-drone-makers-target-asia-taiwan-tensions-spur-deman...
1•JumpCrisscross•36m ago•0 comments

HN with pics – a visual hcker.news reader

https://hn.is-ai-good-yet.com/
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Dana Scott: Lambda Calculus, Forcing and the Foundations of Math: #14 aboutlogic [video]

https://www.youtube.com/watch?v=opLbbZ-_AWE
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Prodigy: AI Employees

https://docs.google.com/presentation/d/1aldEHGR_1Hv_F0UlTuQIL8mXhsw5s5VzuuPcgKV5czY/edit?usp=sharing
2•samayashar•46m ago•2 comments

We built a status page service on Cloudflare

https://ampliflare.com/blog/status-page-cloudflare-architecture/
1•powerpurple•49m ago•1 comments

I tested Gemma4 12B on my 8GB GPU, now I don't want to go back to smaller models

https://www.xda-developers.com/tested-google-gemma-4-12b-on-8gb-gpu-and-dont-want-to-go-back-to-s...
1•theanonymousone•50m ago•0 comments

Make-work and Sub-subsistence work

https://wilsoniumite.com/2026/06/19/make-work-and-sub-subsistence-work/
1•Wilsoniumite•50m ago•0 comments

'We created a monster': companies rein in AI usage as costs strain budgets

https://www.ft.com/content/1d37cc08-e0aa-45a4-a45d-4ad282529314
2•JumpCrisscross•51m ago•0 comments