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xarkes

@xark.es

IT & Hacking https://xark.es/

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24.09.2023
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Latest posts by xarkes @xark.es

So I've been trying to dev an app using LLMs for a few weeks now, and I couldn't ever reach a satisfying state. Either talking to LLMs is an incredibly hard skill, or they are still very limited. I'm not even sure it would ace it if I asked it to write it in JS.

09.03.2026 09:14 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

same, every time I add a line I have to reset all changed line numbers comments

21.02.2026 09:26 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Progress Report: Linux 6.19 - Asahi Linux Porting Linux to Apple Silicon

Happy belated new year! Linux 6.19 is now out in the wild and… ah, let’s just cut to the chase. We know what you’re here for! 😁

asahilinux.org/2026/02/prog...

Thank you once again to everyone supporting us on OpenCollective and GitHub Sponsors!

18.02.2026 09:44 πŸ‘ 75 πŸ” 10 πŸ’¬ 2 πŸ“Œ 1

Opus 4.5: "Given this limitation with split DWARF, let me take a different approach: parse the project source code to extract the class hierarchy. But that's complex..."
(proceeded not to do the "complex" implementation)

What are LLMs good for if they are lazy?! 🀣

16.02.2026 07:47 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
How Michael Abrash doubled Quake framerate

How Michael Abrash doubled Quake framerate:
fabiensanglard.net/quake_asm_op...

15.02.2026 15:39 πŸ‘ 122 πŸ” 31 πŸ’¬ 5 πŸ“Œ 0

what do you all use for synchronized (multi device, cross platform) encrypted note taking?

05.02.2026 10:20 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Antide's Law Personal blog of Julien (jvoisin) Voisin

Antide's Law β€” dustri.org/b/antides-la...

04.02.2026 20:12 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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A Glimpse Into DexProtector | Romain Thomas This blog post provides a high-level overview of DexProtector's security features and their limitations

I reverse engineered DexProtector, the security solution protecting applications like Revolut and other banking apps.

From custom ELF loaders to vtable hooking, here is an insight into how these protections work and their limitations.

www.romainthomas.fr/post/26-01-d...

05.01.2026 06:11 πŸ‘ 33 πŸ” 12 πŸ’¬ 0 πŸ“Œ 0

TIL about llvm-mca and its -timeline option, pretty cool for getting an understanding of instructions scheduling.
Thanks Matt!

04.01.2026 09:13 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Induction variables and loops β€” Matt Godbolt’s blog Compilers can rewrite loops to avoid expensive calculations

Day 9: Why does the compiler keep an "expensive" multiply in the loop instead of using clever addition tricks? The slower operation enables something more valuable. What's the hidden benefit?

xania.org/202512/09-in...
youtu.be/vZk7Br6Vh1U
#AoCO2025

09.12.2025 12:56 πŸ‘ 32 πŸ” 6 πŸ’¬ 1 πŸ“Œ 1
Google Project Zero Make zeroday hard

We launched a redesigned Project Zero website today at projectzero.google !

To mark the occasion, we released some older posts that never quite made it out of drafts.

Enjoy!

17.12.2025 00:22 πŸ‘ 18 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
Preview
Progress Report: Linux 6.18 - Asahi Linux Porting Linux to Apple Silicon

In our final progress report for 2025, you'll find even more patches making their way upstream, 39C3, and a special treat for M2 Pro/Max MacBook users. Happy holidays from the Asahi Team!

asahilinux.org/2025/12/prog...

#asahilinux

17.12.2025 11:11 πŸ‘ 51 πŸ” 13 πŸ’¬ 1 πŸ“Œ 1

I read the news about the React RCE but completely forgot I was hosting some React stuff! One of my server got pwned at least by 2 "attackers" only to download the same version of xmrig and run it...
Disappointed.

05.12.2025 20:23 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I wanted to praise how @bsky.app was better than X after I couldn't reach it through IPv6, but actually I couldn't reach Bluesky neither. Sadge.

27.11.2025 10:13 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Defeating KASLR by Doing Nothing at All Posted by Seth Jenkins, Project Zero Introduction I've recently been researching Pixel kernel exploitation and as part of this research I ...

New Blog Post: Seth Jenkins broke kASLR by doing … nothing 😩

googleprojectzero.blogspot.com/2025/11/defe...

03.11.2025 18:17 πŸ‘ 10 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0

I have a spare hexacon ticket if anyone wants it

08.10.2025 23:08 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Hey friends, I am in Paris this week before attending @hexacon.bsky.social. Hit me up if you wanna catch up :)

06.10.2025 17:44 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Compiling V8 on Linux Arm64

In case you need it: building V8 on an aarch64 Linux xark.es/b/compiling-...

31.07.2025 11:22 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Gentle reminder: Rust &str are not null terminated.

25.06.2025 15:18 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Switching my blog to Next.js

Switching my blog to Next.js

xark.es/b/switching-...

19.06.2025 06:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Merci :)

11.06.2025 00:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Using bluesky posts as blog comments Why and how I added bluesky posts as blog comments

I added Bluesky posts as comments to my blog. Replying to this post should appear on my post page. Read more about it: xark.es/b/using-blue...

05.06.2025 14:50 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Good read, thanks for the interview!

25.03.2025 02:16 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0