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libbpf-rs: eBPF for the Rust ecosystem

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via dxu@users.lobste.rs (dxu)

lobste.rs

libbpf-rs: eBPF for the Rust ecosystem

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上海有没有什么废话少动作快的理发店推荐啊

国家统计局：8月起暂停发布青年人失业率数据。

Emulating x86 on X64 on Aarch64 https://neugierig.org/software/blog/2023/08/x86-x64-aarch64.html

高性能链接器mold 2.1.0已发布，新添加了对LoongArch的支持。

https://github.com/rui314/mold/releases/tag/v2.1.0

GitHub

Release mold 2.1.0 · rui314/mold

mold 2.1.0 is a new release of the high-speed linker.
New features

Loongson's LoongArch CPU has been supported. (03b1a1c)
-z nosectionheader has been added to eliminate section headers from th...

Some C++20 ranges aren’t const-iterable

via Arthur O’Dwyer

Arthur O’Dwyer

Some C++20 ranges aren’t const-iterable

Via StackOverflow:
Newcomers to C++20 Ranges are often surprised that some ranges cannot be “const-iterated.”
But it’s true!

template<std::ranges::range R>
void foreach(const R& rg) { // Wrong!
for (auto&& elt : rg) { }
}

先进的代码生成器，往往只需要朴素的正则表达式

53%

15

5%

此程序包含实现定义行为

13%

此程序包含未定义行为

29%

此程序无法通过编译

明天怎么又要上班了😡

Introduction to Graph Theory

This is a graduate-level introduction to graph theory, corresponding to a quarter-long course. It covers simple graphs, multigraphs as well as their directed analogues, and more restrictive classes such as tournaments, trees and arborescences. Among the features discussed are Eulerian circuits, Hamiltonian cycles, spanning trees, the matrix-tree and BEST theorems, proper colorings, Turan's theorem, bipartite matching and the Menger and Gallai--Milgram theorems. The basics of network flows are introduced in order to prove Hall's marriage theorem.

https://arxiv.org/abs/2308.04512

The downsides of C++ Coroutines

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via LolPython@users.lobste.rs (LolPython)

reductor’s blog

The downsides of C++ Coroutines

This blog post aims to shed light on the potential risks associated with transitioning a codebase to incorporate coroutines. Continual misuse of coroutines may result in software vulnerabilities and performance degradation.

要 素 齐 全

国铁闸机的通行效率一言难尽还不如人工

属于是用着21世纪的科技做着19世纪的事情了