The Linux kernel has to handle many different sources of data that should not be trusted: user [...]

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There's a dichotomy between programming languages.
Some languages are…

At Johnny’s Software Lab we’ve spent a lot of time deep-diving into advanced performance topics — vectorization, cache hierarchies, memory bandwidth, you name it. But not everyone is ready to jump straight into assembly listings and microarchitectural details.…

We successfully deployed ThreadSanitizer in the Firefox project to eliminate data races in our remaining C/C++ components.

std::flip is a little-known utility from the C++ standard library header <functional>: it is a higher-order function that accepts a Callable and returns an equivalent Callable with the order of its parameters reversed (or “flipped”).

[Defer Macro]
“Warning: This is experimental, relies on GCC-specific extensions (__attribute__((cleanup)) and nested functions), and is not portabl...

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Preprocessor metaprogramming knowledge obscurity chart

A journey in packet filtering

Your computer mouse has big ears.
Image courtesy of GPT4/Dall-E-3, generated using the keywords "computer mouse with big ears and a microphone as a scroll wheel."

If you’re a regular reader of my blog, you know I’ve been sharing what I learn about new C++ language and library features ever since C++20. You probably also read my CppCon 2025 Trip Report. And this post is where the two come together. At CppCon I attended…