Critical Linux TCP flaw still unpatched in major distros
A critical use-after-free in the Linux kernel's IPv4 TCP handshake can expose unpatched servers to remote code execution; upstream fixes are out, but Ubuntu and Red Hat Enterprise Linux remain unpatched. — atlasum.net
Shared logic belongs in a private helper
When one public function implements part of another, the shared code belongs in a private helper so the public API doesn't grow options meant only for internal callers. True shortcut APIs are the exception: a shortcut should call only other public functions. — matklad.github.io
Karpathy builds HackerTube from Hacker News recommendations
Andrej Karpathy used Claude to build HackerTube, a YouTube-style site of videos recommended in Hacker News comments. He deployed it in about two hours. — karpathy.bearblog.dev
Nanbeige 33B runs locally on Apple Silicon
A compact quantized build of Nanbeige's 33B model runs locally on Apple Silicon and scored perfectly on small math, coding, and instruction-following checks. — huggingface.co
A 100% CPU can still be waiting on memory
A CPU pegged at 100% can still be stalled waiting on memory instead of doing useful work. Splitting a database GROUP BY operation into smaller partitions that fit the CPU cache sharply reduced memory stalls and sped up the query. — pivotlake.io