Personal channel of @lancern
Topics: programming, hacking, memes, life, and more. Forward anything as you wish.
Join the discussion group for more fun.
Discord: https://discord.gg/RwUx9et7
Topics: programming, hacking, memes, life, and more. Forward anything as you wish.
Join the discussion group for more fun.
Discord: https://discord.gg/RwUx9et7
https://devblogs.microsoft.com/cppblog/cpp-dynamic-debugging-full-debuggability-for-optimized-builds
Microsoft News
C++ Dynamic Debugging: Full Debuggability for Optimized Builds
Over the past 5 years, we’ve had many incredible opportunities to engage with game developers. From AAA studios to indie developers, the passion for slashing iteration times is significant. Amidst all the fantastic feedback we’ve received for Visual Studio…
Lance v2: A columnar container format for modern data
Comments
via blog.lancedb.com via knl
Comments
via blog.lancedb.com via knl
LanceDB Blog
Lance v2: A columnar container format for modern data
Why a new format?
Lance was invented because readers and writers for existing column formats did not handle AI/ML workloads efficiently. Lance v1 solved some of these problems but still struggles in a number of cases. At the same time, others (btrblocks…
Lance was invented because readers and writers for existing column formats did not handle AI/ML workloads efficiently. Lance v1 solved some of these problems but still struggles in a number of cases. At the same time, others (btrblocks…
2025-03 的 WG21 提案列表公布了：
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/#mailing2025-03
这一次公布的提案数量很多，一些频道主认为有意思的：
- P0260R16: C++ Concurrent Queues
- P0876R20: fiber_context - fibers without scheduler
- P1967R14: #embed - a simple, scannable preprocessor-based resource acquisition method
- P2287R4: Designated-initializers for base classes
- P2719R4: Type-aware allocation and deallocation function
- P2758R5: Emitting messages at compile time
- P2786R13: Trivial Relocatability for C++26
- P2825R5: Overload resolution hook: declcall( unevaluated-call-expression )
- P2841R7: Concept and variable-template template-parameters
- P2900R14: Contracts for C++
- P2996R10: Reflection for C++26
- P3019R14: Vocabulary Types for Composite Class Design
- P3552R1: Add a Coroutine Task Type
- P3650R0: 21st Century C++
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/#mailing2025-03
这一次公布的提案数量很多，一些频道主认为有意思的：
- P0260R16: C++ Concurrent Queues
- P0876R20: fiber_context - fibers without scheduler
- P1967R14: #embed - a simple, scannable preprocessor-based resource acquisition method
- P2287R4: Designated-initializers for base classes
- P2719R4: Type-aware allocation and deallocation function
- P2758R5: Emitting messages at compile time
- P2786R13: Trivial Relocatability for C++26
- P2825R5: Overload resolution hook: declcall( unevaluated-call-expression )
- P2841R7: Concept and variable-template template-parameters
- P2900R14: Contracts for C++
- P2996R10: Reflection for C++26
- P3019R14: Vocabulary Types for Composite Class Design
- P3552R1: Add a Coroutine Task Type
- P3650R0: 21st Century C++
Big Rust Update Merged For GCC 15 - Lands The Polonius Borrow Checker
https://www.phoronix.com/news/GCC-15-Big-GCCRS-Update
https://www.phoronix.com/news/GCC-15-Big-GCCRS-Update
Phoronix
Big Rust Update Merged For GCC 15 - Lands The Polonius Borrow Checker
Some 145 patches for the Rust 'gccrs' front-end were posted today and subsequently merged to GCC Git ahead of the upcoming GCC 15.1 stable release.
Recommendations for designing magic numbers of binary file formats https://hackers.town/@zwol/114155595855705796
发现一个完全没用的 C++ 语言“特性”
可以使用
但是在子类中，你也必须使用
另外，在子类中你也不能使用
可以使用
= delete 来定义一个虚函数：
struct B { virtual void m() = delete; };
但是在子类中，你也必须使用
= delete 来定义对 m 的重写：
struct D : B {
void m() override; // ERROR
void m() override = delete; // OK
};
另外，在子类中你也不能使用
= delete 来重写一个在父类中没有被定义为 = delete 的虚函数：
struct B { virtual void m(); };
struct D : B {
void m() override = delete; // ERROR
};
First official release of LLVM Flang https://blog.llvm.org/posts/2025-03-11-flang-new/
A Quick Journey Into the Linux Kernel
Comments
via lucavall.in via alper
Comments
via lucavall.in via alper
Luca Cavallin
A Quick Journey Into the Linux Kernel | Blog
I recently took a deep dive into the Linux kernel to understand how it handles processes, scheduling, memory, and more. While I had some OS knowledge from school, it always felt too abstract - so I wanted to see how things actually work. This post covers…
https://blog.xiangpeng.systems/posts/system-researchers/
写了一篇非常 offensive 的 blog post，包含了对近期 deepseek, NSF funding 和整个 research community 的思考。有点长，也会引起很多人不适，慎点。
我一直以来都认为 NSF 对 system research 弊大于利；但重点并非政府该不该为自然科学花钱（当然应该！），重点在于这笔钱有没有被可问责的方式分配。
最后推荐一本书，我看了受益匪浅 The Unaccountability Machine: Why Big Systems Make Terrible Decisions - and How The World Lost its Mind
写了一篇非常 offensive 的 blog post，包含了对近期 deepseek, NSF funding 和整个 research community 的思考。有点长，也会引起很多人不适，慎点。
我一直以来都认为 NSF 对 system research 弊大于利；但重点并非政府该不该为自然科学花钱（当然应该！），重点在于这笔钱有没有被可问责的方式分配。
最后推荐一本书，我看了受益匪浅 The Unaccountability Machine: Why Big Systems Make Terrible Decisions - and How The World Lost its Mind
Xiangpeng's blog
Where are we now, system researchers? – Xiangpeng’s blog
What I cannot create, I do not understand.
