Fast Primality Testing for 32-bit integers via Forisek and Jancina
https://www.reddit.com/r/programming/comments/1wsaolh/fast_primality_testing_for_32bit_integers_via/

submitted by /u/DataBaeBee (https://www.reddit.com/user/DataBaeBee)
[link] (https://leetarxiv.substack.com/p/forisek-and-jancina-primality-test) [comments] (https://www.reddit.com/r/programming/comments/1wsaolh/fast_primality_testing_for_32bit_integers_via/)

cpp graphics api review
https://www.reddit.com/r/programming/comments/1wsjgi0/cpp_graphics_api_review/

submitted by /u/wizard_creator_seth (https://www.reddit.com/user/wizard_creator_seth)
[link] (https://youtu.be/e1bIpUSTeB0) [comments] (https://www.reddit.com/r/programming/comments/1wsjgi0/cpp_graphics_api_review/)

TUI Games in 80x24
https://www.reddit.com/r/programming/comments/1wspai2/tui_games_in_80x24/

submitted by /u/ronilan (https://www.reddit.com/user/ronilan)
[link] (https://www.incredible.rs/#blog/tui-games-in-80x24.md) [comments] (https://www.reddit.com/r/programming/comments/1wspai2/tui_games_in_80x24/)

What good is a best-effort exclusive lock, anyway?
https://www.reddit.com/r/programming/comments/1wsqvwe/what_good_is_a_besteffort_exclusive_lock_anyway/

submitted by /u/broken_broken_ (https://www.reddit.com/user/broken_broken_)
[link] (https://gaultier.github.io/blog/what_good_is_a_best_effort_exclusive_lock_anyway.html) [comments] (https://www.reddit.com/r/programming/comments/1wsqvwe/what_good_is_a_besteffort_exclusive_lock_anyway/)

example.com got modernized !
https://www.reddit.com/r/programming/comments/1wsry20/examplecom_got_modernized/

submitted by /u/KaKi_87 (https://www.reddit.com/user/KaKi_87)
[link] (https://www.reddit.com/r/webdev/comments/1wsr7cw/examplecom_got_modernized/) [comments] (https://www.reddit.com/r/programming/comments/1wsry20/examplecom_got_modernized/)

nine npm packages shipping worm that spread by itself over SSH
https://www.reddit.com/r/programming/comments/1wt8odk/nine_npm_packages_shipping_worm_that_spread_by/

submitted by /u/BattleRemote3157 (https://www.reddit.com/user/BattleRemote3157)
[link] (https://safedep.io/dirtyblanket-express-impersonation-npm/) [comments] (https://www.reddit.com/r/programming/comments/1wt8odk/nine_npm_packages_shipping_worm_that_spread_by/)

Java vs Groovy: 7 differences + what Groovy 6.0 brings
https://www.reddit.com/r/programming/comments/1wtb4qi/java_vs_groovy_7_differences_what_groovy_60_brings/

submitted by /u/henk53 (https://www.reddit.com/user/henk53)
[link] (https://www.linkedin.com/pulse/java-vs-groovy-7-differences-what-60-brings-vincent-vauban-ndzde/) [comments] (https://www.reddit.com/r/programming/comments/1wtb4qi/java_vs_groovy_7_differences_what_groovy_60_brings/)

In Defense of the Visual Cortex
https://www.reddit.com/r/programming/comments/1wtfh4j/in_defense_of_the_visual_cortex/

submitted by /u/Jernesstar (https://www.reddit.com/user/Jernesstar)
[link] (https://miralume.dev/the-architect/in-defense-of-the-visual-cortex) [comments] (https://www.reddit.com/r/programming/comments/1wtfh4j/in_defense_of_the_visual_cortex/)

cargo-crap: Triaging Duplicates with TypeSafe
https://www.reddit.com/r/programming/comments/1wth2ti/cargocrap_triaging_duplicates_with_typesafe/

submitted by /u/djminikin (https://www.reddit.com/user/djminikin)
[link] (https://minikin.me/blog/cargo-crap-triage) [comments] (https://www.reddit.com/r/programming/comments/1wth2ti/cargocrap_triaging_duplicates_with_typesafe/)

Designing High-Performance Matrix Memory Layouts in Rust
https://www.reddit.com/r/programming/comments/1wtii9n/designing_highperformance_matrix_memory_layouts/

submitted by /u/TechnologySubject259 (https://www.reddit.com/user/TechnologySubject259)
[link] (https://youtu.be/Mj5bje2xVWU) [comments] (https://www.reddit.com/r/programming/comments/1wtii9n/designing_highperformance_matrix_memory_layouts/)

Zero-Growth Stack, Real Gains: How Stack Allocation Can Save 10% CPU in Go
https://www.reddit.com/r/programming/comments/1wtnwfs/zerogrowth_stack_real_gains_how_stack_allocation/

submitted by /u/Ok_Stomach6651 (https://www.reddit.com/user/Ok_Stomach6651)
[link] (https://www.uber.com/in/en/blog/zero-growth-stack/?uclick_id=c8e2c3a9-831f-43f9-8565-c21c05e74e3b) [comments] (https://www.reddit.com/r/programming/comments/1wtnwfs/zerogrowth_stack_real_gains_how_stack_allocation/)

Everyone Should Know SIMD
https://www.reddit.com/r/programming/comments/1wtv3vb/everyone_should_know_simd/

submitted by /u/fagnerbrack (https://www.reddit.com/user/fagnerbrack)
[link] (https://mitchellh.com/writing/everyone-should-know-simd) [comments] (https://www.reddit.com/r/programming/comments/1wtv3vb/everyone_should_know_simd/)

Listen to ̶y̶o̶u̶r̶ ̶u̶s̶e̶r̶s̶ the Redditors
https://www.reddit.com/r/programming/comments/1wtyfil/listen_to_your_users_the_redditors/

<!-- SC_OFF -->Follow up on https://www.reddit.com/r/programming/comments/1wspai2/tui_games_in_80x24/ which is here: https://www.incredible.rs/blog/tui-games-in-80x24.html <!-- SC_ON --> submitted by /u/ronilan (https://www.reddit.com/user/ronilan)
[link] (https://www.incredible.rs/blog/listen-to-the-redditors.html) [comments] (https://www.reddit.com/r/programming/comments/1wtyfil/listen_to_your_users_the_redditors/)

On Automatic Type Refinements
https://www.reddit.com/r/programming/comments/1wtyphe/on_automatic_type_refinements/

submitted by /u/radekmie (https://www.reddit.com/user/radekmie)
[link] (https://radekmie.dev/blog/on-automatic-type-refinements/) [comments] (https://www.reddit.com/r/programming/comments/1wtyphe/on_automatic_type_refinements/)

Nondeterministic encryption method
https://www.reddit.com/r/programming/comments/1wuaa7s/nondeterministic_encryption_method/

<!-- SC_OFF -->The first version is from when I was 16, goal was to make simple messages convert to unintelligible text corpuses, and to have an algorithm that allows a plethora of outputs to map to the same input. I just recently updated it with the private keys and frequency attack resistance so it could be called encryption (appeal to alliteration) <!-- SC_ON --> submitted by /u/_ILoveSaturdays (https://www.reddit.com/user/_ILoveSaturdays)
[link] (https://chukaze.dev/blog/EE) [comments] (https://www.reddit.com/r/programming/comments/1wuaa7s/nondeterministic_encryption_method/)

A devlog about making & optimizing a bullet hell game
https://www.reddit.com/r/programming/comments/1wucaqk/a_devlog_about_making_optimizing_a_bullet_hell/

submitted by /u/LordOmbro (https://www.reddit.com/user/LordOmbro)
[link] (https://youtu.be/vZCAO8XPVkQ?is=cguEM29JCNdi9b9r) [comments] (https://www.reddit.com/r/programming/comments/1wucaqk/a_devlog_about_making_optimizing_a_bullet_hell/)

OpenZL v0.2 - decompression 2x faster than Zstandard
https://www.reddit.com/r/programming/comments/1wuf5lf/openzl_v02_decompression_2x_faster_than_zstandard/

submitted by /u/aqrit (https://www.reddit.com/user/aqrit)
[link] (https://openzl.org/blog/2026-09-29-lz-in-openzl/) [comments] (https://www.reddit.com/r/programming/comments/1wuf5lf/openzl_v02_decompression_2x_faster_than_zstandard/)

Getting ready for 2026 results: A look back on Developer Survey findings
https://www.reddit.com/r/programming/comments/1wuwzxc/getting_ready_for_2026_results_a_look_back_on/

submitted by /u/mindondrugs (https://www.reddit.com/user/mindondrugs)
[link] (https://stackoverflow.blog/2026/09/30/getting-ready-for-2026-results-a-look-back-on-developer-survey-findings/) [comments] (https://www.reddit.com/r/programming/comments/1wuwzxc/getting_ready_for_2026_results_a_look_back_on/)

C64 Mercenary: a novel exploit bug in a 41-year-old game
https://www.reddit.com/r/programming/comments/1wuzsdv/c64_mercenary_a_novel_exploit_bug_in_a_41yearold/

submitted by /u/a1r (https://www.reddit.com/user/a1r)
[link] (https://gamesexplained.com/c64/mercenary/#lift) [comments] (https://www.reddit.com/r/programming/comments/1wuzsdv/c64_mercenary_a_novel_exploit_bug_in_a_41yearold/)

Post-Quantum Cryptography Resource Hub
https://www.reddit.com/r/programming/comments/1wvncok/postquantum_cryptography_resource_hub/

submitted by /u/donutloop (https://www.reddit.com/user/donutloop)
[link] (https://www.nsa.gov/Cybersecurity/Post-Quantum-Cryptography-Resource-Hub/) [comments] (https://www.reddit.com/r/programming/comments/1wvncok/postquantum_cryptography_resource_hub/)

Eight Bytes Are Already a Number
https://www.reddit.com/r/programming/comments/1wvqovi/eight_bytes_are_already_a_number/

submitted by /u/sebastianconcept (https://www.reddit.com/user/sebastianconcept)
[link] (https://blog.sebastiansastre.co/posts/eight-bytes-are-already-a-number/) [comments] (https://www.reddit.com/r/programming/comments/1wvqovi/eight_bytes_are_already_a_number/)