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Show HN: C/C++ Cheatsheet – a modern, practical reference for C and C++

https://github.com/crazyguitar/cppcheatsheet
5•crazyguitar•7h ago
Hi HN,

I’m the creator of C/C++ Cheatsheet — a modern, practical reference for both C and C++ developers. It includes concise snippet-style explanations of core language features, advanced topics like coroutines and constexpr, system programming sections, debugging tools, and useful project setups. You can explore it online at https://cppcheatsheet.com/.

I built this to help both beginners and experienced engineers quickly find clear examples and explanations without digging through fragmented blogs or outdated docs. It’s open source, regularly maintained, and contributions are welcome on GitHub.

If you’ve ever wanted a lightweight, example-focused guide to: - Modern C++ (templates, lambdas, concepts) - C fundamentals and memory handling - System programming - Debugging & profiling …this site aims to be that resource.

Any feedback is welcome. Thank you.

Show HN: isometric.nyc – giant isometric pixel art map of NYC

https://cannoneyed.com/isometric-nyc/
985•cannoneyed•19h ago•189 comments

Show HN: Txt2plotter – True centerline vectors from Flux.2 for pen plotters

https://github.com/malvarezcastillo/txt2plotter
25•tsanummy•3d ago•6 comments

Show HN: Waifu2x.live – Free AI image upscaler (2x/4x) & video generation

2•Nancy1230•1h ago•1 comments

Show HN: BrowserOS – "Claude Cowork" in the browser

https://github.com/browseros-ai/BrowserOS
73•felarof•19h ago•26 comments

Show HN: Text-to-video model from scratch (2 brothers, 2 years, 2B params)

https://huggingface.co/collections/Linum-AI/linum-v2-2b-text-to-video
86•schopra909•19h ago•15 comments

Show HN: I've been using AI to analyze every supplement on the market

https://pillser.com/
72•lilouartz•21h ago•35 comments

Show HN: Interactive physics simulations I built while teaching my daughter

https://www.projectlumen.app/
82•anticlickwise•4d ago•21 comments

Show HN: First Claude Code client for Ollama local models

https://github.com/21st-dev/1code
39•SerafimKorablev•18h ago•19 comments

Show HN: Synesthesia, make noise music with a colorpicker

https://visualnoise.ca
33•tevans3•1d ago•13 comments

Show HN: CLI for working with Apple Core ML models

https://github.com/schappim/coreml-cli
43•schappim•15h ago•4 comments

Show HN: Sweep, Open-weights 1.5B model for next-edit autocomplete

https://huggingface.co/sweepai/sweep-next-edit-1.5B
519•williamzeng0•1d ago•139 comments

Show HN: Bible translated using LLMs from source Greek and Hebrew

https://biblexica.com
44•epsteingpt•19h ago•61 comments

Show HN: C/C++ Cheatsheet – a modern, practical reference for C and C++

https://github.com/crazyguitar/cppcheatsheet
5•crazyguitar•7h ago•0 comments

Show HN: I'm writing an alternative to Lutris

https://github.com/navid-m/styx
13•death_eternal•15h ago•3 comments

Show HN: Wake – Terminal Session Context for Claude Code via MCP

https://github.com/joemckenney/wake
2•baobabmeeko•5h ago•0 comments

Show HN: Rails UI

https://railsui.com/
201•justalever•1d ago•108 comments

Show HN: Figr – AI that thinks through product problems before designing

https://figr.design/
10•Mokshgarg003•15h ago•5 comments

Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)

https://github.com/ChartGPU/ChartGPU
660•huntergemmer•1d ago•207 comments

Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs

https://github.com/mastra-ai/mastra
213•calcsam•2d ago•69 comments

Show HN: Extracting React apps from Figma Make's undocumented binary format

https://albertsikkema.com/ai/development/tools/reverse-engineering/2026/01/23/reverse-engineering...
2•albertsikkema•6h ago•3 comments

Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets

https://github.com/borenstein/yolo-cage
59•borenstein•1d ago•72 comments

Show HN: The firmware that got me detained by Swiss Intelligence

https://github.com/seabass011/davos-incident-firmware
5•reutinger•7h ago•16 comments

Show HN: gRPC Transport for HashiCorp/Raft

https://github.com/dhiaayachi/raft-grpc-transport
2•neo2006•8h ago•0 comments

Show HN: Retain – A unified knowledge base for all your AI coding conversations

https://github.com/BayramAnnakov/retain
45•Bayram•1d ago•16 comments

Show HN: CleanAF – One-click Desktop cleaner for Windows

https://github.com/TheZemmouri/CleanAF
2•Zemmouri•9h ago•0 comments

Show HN: High speed graphics rendering research with tinygrad/tinyJIT

https://github.com/quantbagel/gtinygrad
29•quantbagel•1d ago•10 comments

Show HN: See the carbon impact of your cloud as you code

https://dashboard.infracost.io/
66•hkh•1d ago•27 comments

Show HN: A Node Based Editor for Three.js Shading Language (TSL)

https://www.tsl-graph.xyz/
4•bhushanwtf•18h ago•1 comments

Show HN: Dotenv Mask Editor: No more embarrassing screen leaks of your .env

https://marketplace.visualstudio.com/items?itemName=xinbenlv.dotenv-mask-editor
25•xinbenlv•1d ago•23 comments

Show HN: Open-source certificate from GitHub activity

https://certificate.brendonmatos.com
42•brendonmatos•4d ago•14 comments