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Type Punning in C and C++

https://blog.pwkf.org/2026/09/21/correct-type-punning-in-c.html
22•ingve•1h ago

Comments

K0IN•42m ago
Does reinterpret_cast works in c++ for this?
sheafification•34m ago
Yeah, but it’s got some caveats and is unsafe in some cases.

https://en.cppreference.com/cpp/language/reinterpret_cast

jasode•30m ago
reinterpret_cast<> for punning purposes can lead to UB. The recommended C++ alternative to avoid UB is bit_cast<>

https://stackoverflow.com/questions/53401654/why-was-stdbit-...

antiloper•26m ago
> The C vs C++ distinction here is genuinely treacherous

What's so genuine about this?

tialaramex•9m ago
Despite the fact they're two different languages, people are often taught as though it's basically just a subset relationship and then they carry this through into the actual software they write.

Because neither of these are memory safe languages, you are required to ensure you've made no mistakes or else anything might happen.

ndr•2m ago
It continues with

> and most blog posts on the topic get it wrong.

This smells like Claudism/LLMish.

AI Has No Wisdom and Neither Will You

https://alexn.org/blog/2026/09/22/ai-has-no-wisdom-and-neither-will-you/
30•dimonomid•28m ago•10 comments

AMD's random number generator can't generate a 0?

https://board.flatassembler.net/topic.php?t=24261
123•BruceEel•3h ago•68 comments

Type Punning in C and C++

https://blog.pwkf.org/2026/09/21/correct-type-punning-in-c.html
23•ingve•1h ago•6 comments

Can gzip be a language model?

https://nathan.rs/posts/gzip-lm/
209•networked•6h ago•80 comments

MiMo v2.6

https://mimo.xiaomi.com/mimo-v2-6
950•volf_•16h ago•427 comments

Will Open Source Survive the Agents That Replaced It?

https://albertoarena.it/posts/will-open-source-survive-the-agents-that-replaced-it/
10•albertoarena•34m ago•6 comments

Spymarks, Not Watermarks

https://brand.io/article/spymarks/
502•possibilistic•13h ago•125 comments

9 Ads per Minute: FIFA Cup 26 – "the price of the beautiful game"

https://www.bristol.ac.uk/news/2026/september/world-cup-viewers.html
97•KellyCriterion•2h ago•118 comments

Verda (Finland) raises $189M in Series B

https://verda.com/blog/what-189m-in-funding-unlocks-for-verda-customers
43•cmrdporcupine•3h ago•15 comments

Transformers Explained Visually

https://poloclub.github.io/transformer-explainer/
469•aray07•16h ago•72 comments

Attention is all you have

https://alicegg.tech/2026/09/21/attention
877•zer0tonin•22h ago•262 comments

I said no and Apple said yes

https://dbushell.com/2026/09/22/apple-intelligence/
336•thatslast•4h ago•247 comments

What Sun got wrong

https://bcantrill.dtrace.org/2026/09/20/what-sun-got-wrong/
610•chmaynard•22h ago•352 comments

MiMo-v2.6-Pro: Intelligence, Performance and Price Analysis

https://artificialanalysis.ai/models/mimo-v2-6-pro
101•theanonymousone•8h ago•34 comments

A font that reads what you wrote

https://rohanadwankar.github.io/posts/semfont.html
35•RohanAdwankar•2d ago•17 comments

Video games inspire great UX (2019)

https://jenson.org/games/
5•andsoitis•1d ago•0 comments

I don't want to read what you didn't write

https://blog.colinbreck.com/i-dont-want-to-read-what-you-didnt-write/
775•mooreds•14h ago•314 comments

JavaFX 27 Native Image on a Raspberry Pi 5

https://ennerf.github.io/2026/09/18/JavaFX-27-Native-Image-on-a-Raspberry-Pi-5.html
33•0x54MUR41•2d ago•6 comments

AI coding has made CI a bottleneck, so we reworked ours to keep up

https://linear.app/now/ci-bottleneck-reworked
264•julian_digital•17h ago•306 comments

Engineering Memory: On learning to memorize first 100 digits of pi (2024)

https://gregorygundersen.com/blog/2024/12/21/engineering-memory/
28•fuzzythinker•1d ago•14 comments

NASA’s Mars Sample Return mission is dead

https://www.science.org/content/article/nasa-s-mars-sample-return-mission-dead
413•Muhammad523•17h ago•337 comments

Divide by depth for instant 3D

https://gabrieloc.com/2026/09/15/perspective.html
175•gabrieloc•2d ago•32 comments

Looking forward to Git 2.56 – and 3.0

https://lwn.net/SubscriberLink/1094575/2385e98583715c2b/
154•chmaynard•13h ago•77 comments

What It's Like to Work in One of America's Data Centers

https://www.wsj.com/business/what-its-like-to-work-in-one-of-americas-data-centers-b4358003
26•JumpCrisscross•1d ago•14 comments

World Wide Words

https://www.worldwidewords.org/genindex.html
27•Petiver•2d ago•2 comments

A build graph that rolls dice

https://fzakaria.com/2026/09/20/a-build-graph-that-rolls-dice
7•ingve•23h ago•1 comments

The Advisory Group on Mathematics and Artificial Intelligence

https://terrytao.wordpress.com/2026/09/21/advisory-group-on-mathematics-and-artificial-intelligence/
146•digital55•17h ago•72 comments

Claude Status – Elevated errors for multiple models

https://status.claude.com/incidents/7g1qpkyz5gxh
123•corvad•11h ago•96 comments

Python Workers are now generally available

https://blog.cloudflare.com/python-workers-ga/
242•torutofu•23h ago•39 comments

HERMES radio enables voice and data communication over vast distances

https://spectrum.ieee.org/hermes-shortwave-radio-digital-data
154•SamuraiLion•20h ago•62 comments