Jobs for Developers<p>Roblox is hiring Senior Software Engineer - Storage</p><p>🔧 <a href="https://mastodon.world/tags/cplusplus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cplusplus</span></a> <a href="https://mastodon.world/tags/golang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>golang</span></a> <a href="https://mastodon.world/tags/java" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>java</span></a> <a href="https://mastodon.world/tags/kafka" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kafka</span></a> <a href="https://mastodon.world/tags/kubernetes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kubernetes</span></a> <a href="https://mastodon.world/tags/redis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>redis</span></a> <a href="https://mastodon.world/tags/seniorengineer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seniorengineer</span></a><br>🌎 San Mateo, California<br>⏰ Full-time<br>🏢 Roblox</p><p>Job details <a href="https://jobsfordevelopers.com/jobs/senior-software-engineer-storage-at-roblox-com-nov-9-2024-638cef?utm_source=mastodon.world&utm_medium=social&utm_campaign=posting" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">jobsfordevelopers.com/jobs/sen</span><span class="invisible">ior-software-engineer-storage-at-roblox-com-nov-9-2024-638cef?utm_source=mastodon.world&utm_medium=social&utm_campaign=posting</span></a><br><a href="https://mastodon.world/tags/jobalert" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jobalert</span></a> <a href="https://mastodon.world/tags/jobsearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jobsearch</span></a> <a href="https://mastodon.world/tags/hiring" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hiring</span></a></p>
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49 posts17 participants1 post today
C++26: an undeprecated feature
https://www.sandordargo.com/blog/2025/03/26/cpp26-undeprecate
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Sandor Dargo’s Blog · C++26: an undeprecated featureDuring the last two weeks, first we saw what are the language features deprecated or removed from C++26 then we did the same for library features. Life is not so straight and easy though. Sometimes, features cannot be removed after deprecation. There is an example for that in C++26 too. Which we are going to review today. Undeprecate polymorphic_allocator::destroy for C++26 C++23 deprecated the std::polymorphic_allocator::destroy member function and instead of having it removed, it’s being added back to C++26 by P2875R4. The short reason for the deprecation and a hoped removal was that the purposes of std::polymorphic_allocator::destroy are satisfied by std::allocator_traits too. But it turned out in practice, that some use-cases of polymorphic_allocator::destroy don’t involve generic code that would use std::allocator_traits. But reading through the proposal unveils a more complex and interesting story. To understand what happened, we must travel back in time almost ten years. There was already an issue filed for C++17 claiming that the implementations of the above-mentioned polymorphic_allocator::destroy function and allocator_traits::destroy function are equivalent. And that was true! That led to the deprecation of polymorphic_allocator::destroy. But in C++20, the contract of allocator_traits::destroy changed! The implementation doesn’t produce the same code anymore as polymorphic_allocator::destroy. It might call destroy_at - in case the allocator doesn’t have a destroy member function - which adds another level of indirection, it’s not noexcept itself, the optimizer might be as efficient anymore in removing unwinding code. And while, C++23 - despite the above contract change - finally deprecated polymorphic_allocator::destroy, allocator_traits must still dispatch calls to it. That’s because it will dispatch calls whenever the allocator’s have a destroy member function. An additional and important problem with allocator_traits::destroy is that it takes non-const& to an allocator and it might not work correctly when you deal with hierarchies of allocators as the right type must be known at compile time. polymorphic_allocator was designed to be type-agnostic through type deduction of the pointer. If these problems wouldn’t be enough on their own, polymorphic_allocator::destroy is a natural counterpart of polymorphic_allocator::construct. It just feels right and easy to use the two together. As a result, polymorphic_allocator::destroy is undeprecated and kept as part of the standard library. Conclusion In this article, we saw that the deprecation of functionality in C++ doesn’t necessarily mean a guaranteed removal. Sometimes, intentions and contracts change or people understand that deprecation is simply not the right direction. In C++26, as far as I found, there is one (library) feature undeprecated, and that’s polymorphic_allocator::destroy. For further analysis, feel free to read P2875R4. Connect deeper If you liked this article, please hit on the like button, subscribe to my newsletter
@bkuhn any advice for choosing #copyleft #licenses for #Rust code?
In a recent thread you mentioned #LGPL and I'm curious about templating.
In my understanding it's not possible for the user to replace just the LGPLd library on their system, so it's effectively the same as #GPL .
I chose #MPL 2.0 instead.
Same problem exists in C++ template-only libraries, but I found no ultimate guide.
Are you aware of any?
Llama's Paradox - Delving deep into Llama.cpp and exploiting Llama.cpp's Heap Maze, from Heap-Overflow to Remote-Code Execution
https://retr0.blog/blog/llama-rpc-rce
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retr0.blogRetr0's RegisterRetr0's Threat Research
Aurora is hiring Senior Software Engineer
#cplusplus #golang #python #aws #kubernetes #terraform #seniorengineer
Seattle, Washington
Full-time
Aurora
Job details https://jobsfordevelopers.com/jobs/senior-software-engineer-at-aurora-tech-dec-13-2024-8113b0?utm_source=mastodon.world&utm_medium=social&utm_campaign=posting
#jobalert #jobsearch #hiring
#CppPollOfToday: Which C++ standard containers do you use?
https://meetingcpp.com/mcpp/survey/?q=38
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meetingcpp.comMeeting C++ Community Survey
Why does INVALID_HANDLE_VALUE cast through a LONG_PTR first?
https://devblogs.microsoft.com/oldnewthing/20250326-00/?p=111002
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The Old New Thing · Why does INVALID_HANDLE_VALUE cast through a LONG_PTR first? - The Old New ThingTo ensure that the proper sign extension happens.
Anders Sundman: Low, Lower, Lowest level Programming
https://www.youtube.com/watch?v=-uZRiTgqQRU
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Retro C++ quiz #25
template<int i = 3 > 4 > // Well-formed?
class X {};
Without checking:
A. Yes
B. No
C: Show answers
VS Code C++ Extension Updates: 4x Faster Colorization & 3.5x Faster Project Startup
https://devblogs.microsoft.com/cppblog/vs-code-c-extension-updates-4x-faster-colorization-3-5x-faster-project-startup/
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C++ Team Blog · VS Code C++ Extension Updates: 4x Faster Colorization & 3.5x Faster Project Startup - C++ Team BlogUpdates to the C++ Extension in VS Code create faster performance for Project Startup and Time to Colorization.