Oct 2, 2025

[Algorithm] branchless binary search

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template <class ForwardIt, class T, class Compare> ForwardIt branchless_lower_bound(ForwardIt first, ForwardIt last, const T& valu...
Sep 28, 2025

[C++] coroutine cheat sheet - 2

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Reference: [C++] coroutine cheat sheet - 1 https://reductor.dev/cpp/2023/08/10/the-downsides-of-coroutines.html#how-normal-functions-and-the...

[C++] Aggregate initialization takes base type's constructor regardless of `using base::base`

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Bite by this constructor resolution rule: 1) D is an aggregate From  [dcl.init.aggr]  §11.6.2/1 (C++23 draft N4950):  An aggregate is an ar...
Sep 23, 2025

[C++][Cppcon 2025] Concept-based Generic Programming - Bjarne Stroustrup

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Reference: Concept-based Generic Programming - Bjarne Stroustrup - CppCon 2025 Concepts are functions OOP Focused on defining type of object...
Sep 20, 2025

[C++] brace init. disallows narrow conversion, use it for building up can_narrow concept.

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1) brace init. disallows narrow conversion  2) `requires` can only have expression, declaration is not allowed. (i.e. T t; is not allowed, b...
Sep 17, 2025

[C++][P2738R1] constexpr cast from void*: towards constexpr type-erasure

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https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2738r1.pdf Purpose: Storing void* instead of a concrete type is a commonly used co...
Sep 4, 2025

[posix] getenv/setenv/unsetenv are thread-safe (MT-safe) since glibc 2.41

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 https://man7.org/linux/man-pages/man3/getenv.3.html