Lancern's Treasure Chest

09:26 · Aug 26, 2023 · Sat

北京好凉快
北京地铁好丝滑

21:25 · Aug 25, 2023 · Fri

桶运转记录

10:32 · Aug 25, 2023 · Fri

今日 cmake 灵车

08:30 · Aug 25, 2023 · Fri

https://lwn.net/Articles/940704/

08:05 · Aug 25, 2023 · Fri

Propositions as types: explained (and debunked)

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via amw-zero@users.lobste.rs (amw-zero)

lobste.rs

Propositions as types: explained (and debunked)

11 comments

23:24 · Aug 24, 2023 · Thu

开眼了，Windows 上允许两个进程监听同一个本地地址和端口

22:53 · Aug 24, 2023 · Thu

两个月没用过 macbook，把 macbook 重置了。

13:34 · Aug 24, 2023 · Thu

C/C++ performance pitfall: int8_t, aliasing and the ways out

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via raymii@users.lobste.rs (raymii)

Gist

C_and_CXX_performance_pitfall.md

GitHub Gist: instantly share code, notes, and snippets.

07:59 · Aug 24, 2023 · Thu

CVE-2023-4273: a vulnerability in the Linux exFAT driver

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via fro@users.lobste.rs (fro)

My DFIR Blog

CVE-2023-4273: a vulnerability in the Linux exFAT driver

According to the exFAT file system specification, the maximum length of a file name is 255 characters (UTF-16LE): The FileName field shall contain a Unicode string, which is a portion of the file n…

17:35 · Aug 23, 2023 · Wed

WG21 P0124R8: Linux-Kernel Memory Model

https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p0124r8.html

08:13 · Aug 23, 2023 · Wed

https://fxtwitter.com/abhi9u/status/1694035438430994577

FixTweet - 🆕 x.com link? Try fixupx.com

Abhinav Upadhyay (@abhi9u)

I found another interesting optimization in the CPython interpreter which make it cheaper to create lists, tuples and dictionaries. Let's see how CPython does this and why. Another tour of CPython internals!

As the Python interpreter runs, it maintains its…

23:19 · Aug 22, 2023 · Tue

好像已经很久没写过稍微复杂一点的元编程了。

需求是 ConstructFirstVariant<std::variant<T...>>{}(args...) 需要返回一个 std::variant<T...>，返回的这个 std::variant 中包含的对象的类型是 T... 中那个能够被 args... 初始化的类型

21:56 · Aug 22, 2023 · Tue

Microsoft is bringing Python to Excel https://www.theverge.com/2023/8/22/23841167/microsoft-excel-python-integration-support

The Verge

Microsoft is bringing Python to Excel

Python code will run on Microsoft’s Cloud.

16:26 · Aug 22, 2023 · Tue

今日惨案：ftruncate(0) 之后忘了 lseek(0, SEEK_SET)

08:23 · Aug 22, 2023 · Tue

https://fxtwitter.com/imperioworld_/status/1693591938606198869

FixTweet / FixupX

Guillaume Gomez @imperio@toot.cat (@imperioworld_)

You can now add warning blocks in your documentation in Rust crates and it will look like in the picture. To do so:

```
<div class="warning">The warning text</div>
```

Don't hesitate to use it. :)

PR: https://github.com/rust-lang/rust/pull/106561

19:25 · Aug 21, 2023 · Mon

Inspecting rustc LLVM optimization remarks using cargo-remark

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via adaszko@users.lobste.rs (adaszko)

Kobzol’s blog

Inspecting rustc LLVM optimization remarks using cargo-remark

TL;DR: This post describes LLVM optimization remarks that can useful to help the compiler better optimize your programs. If you want to analyze remarks generated from compiling Rust programs, you can use the cargo-remark tool.

17:10 · Aug 21, 2023 · Mon

国铁模拟售票系统

通过本系统，您可以模拟铁路售票窗口进行各种售、退票作业。

https://trs.xd8.cn/w5/q/web

08:30 · Aug 21, 2023 · Mon

Merkle trees and build systems (Nix alternative) (2020)

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via safinaskar@users.lobste.rs (safinaskar)

08:29 · Aug 21, 2023 · Mon

The missing C++ smart pointer https://blog.matthieud.me/2023/the-missing-cpp-smart-pointer/

21:25 · Aug 20, 2023 · Sun

从 9 月 1 日起 LLVM 社区将启用 GitHub Pull Requests 作为 patch 提交手段，Phabricator 将于今年 10 月被弃用，明年 10 月关停。

https://discourse.llvm.org/t/pull-request-migration-schedule/71595

LLVM Discussion Forums

Pull Request Migration Schedule

The following Pull Request Migration schedule has been proposed and is being discussed on Discourse and GitHub Issues. Today: Open up pull requests for small self-contained teams to experiment with. September 1: All new patches submitted via GitHub Pull…