How a 40-Line Fix Eliminated a 400x Performance Gap
https://questdb.com/blog/jvm-current-thread-user-time/
https://redd.it/1qcjd0w
@programmingreddit
https://questdb.com/blog/jvm-current-thread-user-time/
https://redd.it/1qcjd0w
@programmingreddit
QuestDB
How a 40-Line Fix Eliminated a 400x Performance Gap | QuestDB
A deep dive into an OpenJDK commit that replaced slow /proc file parsing with a single syscall, revealing obscure Linux kernel internals and a 20-year-old optimization opportunity.
Ken Thompson rewrote his code in real-time. A federal court said he co-created MP3. So why has no one heard of James D. Johnston?
https://substack.com/home/post/p-184599371
https://redd.it/1qd3mko
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https://substack.com/home/post/p-184599371
https://redd.it/1qd3mko
@programmingreddit
Substack
The Other Father of MP3
James D. Johnston spent 26 years at Bell Labs building the technology that became MP3. Then history forgot him.
A good test of engineering team maturity is how well you can absorb junior talent
https://thoughtfuleng.substack.com/p/junior-developers-in-the-age-of-ai
https://redd.it/1qcw37d
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https://thoughtfuleng.substack.com/p/junior-developers-in-the-age-of-ai
https://redd.it/1qcw37d
@programmingreddit
Substack
Junior Developers in the Age of AI
Companies are ditching junior engineers en masse. They'll tell you it's because AI writes better code. They’re right...but also missing the point.
Cursor CEO Built a Browser using AI, but Does It Really Work?
https://www.finalroundai.com/blog/cursor-ceo-browser-made-using-ai
https://redd.it/1qdo9r3
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https://www.finalroundai.com/blog/cursor-ceo-browser-made-using-ai
https://redd.it/1qdo9r3
@programmingreddit
Finalroundai
Cursor CEO Built a Browser using AI, but Does It Really Work?
A browser built by hundreds of AI agents in just one week sounds impressive, but the real question is what works and what breaks?
Responsible disclosure of a Claude Cowork vulnerability that lets hidden prompt injections exfiltrate local files by uploading them to an attacker’s Anthropic account
https://www.promptarmor.com/resources/claude-cowork-exfiltrates-files
https://redd.it/1qdg7i4
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https://www.promptarmor.com/resources/claude-cowork-exfiltrates-files
https://redd.it/1qdg7i4
@programmingreddit
Promptarmor
Claude Cowork Exfiltrates Files
Claude Cowork is vulnerable to file exfiltration attacks via indirect prompt injection as a result of known-but-unresolved isolation flaws in Claude's code execution environment.
Newer AI Coding Assistants Are Failing in Insidious Ways
https://spectrum.ieee.org/ai-coding-degrades
https://redd.it/1qdv6h0
@programmingreddit
https://spectrum.ieee.org/ai-coding-degrades
https://redd.it/1qdv6h0
@programmingreddit
IEEE Spectrum
AI Coding Assistants Are Getting Worse
One AI coding assistant power user says the tools are hitting a plateau, and some are even declining. What's causing this unexpected twist in tech?
Cursor Implied Success Without Evidence | Not one of 100 selected commits even built
https://embedding-shapes.github.io/cursor-implied-success-without-evidence/
https://redd.it/1qeotkj
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https://embedding-shapes.github.io/cursor-implied-success-without-evidence/
https://redd.it/1qeotkj
@programmingreddit
Reddit
From the programming community on Reddit: Cursor Implied Success Without Evidence | Not one of 100 selected commits even built
Posted by xX_Negative_Won_Xx - 498 votes and 132 comments
Rollout of AI may need to be slowed to ‘save society’, says JP Morgan boss | Davos 2026
https://www.theguardian.com/technology/2026/jan/21/rollout-ai-slowed-save-society-jp-morgan-jamie-dimon-jensen-huang
https://redd.it/1qj910p
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https://www.theguardian.com/technology/2026/jan/21/rollout-ai-slowed-save-society-jp-morgan-jamie-dimon-jensen-huang
https://redd.it/1qj910p
@programmingreddit
the Guardian
Rollout of AI may need to be slowed to ‘save society’, says JP Morgan boss
Jamie Dimon warns of civil unrest but Nvidia’s Jensen Huang argues tech will create rather than destroy jobs
Satya Nadella at Davos: a masterclass in saying everything while promising nothing
https://jpcaparas.medium.com/satya-nadella-at-davos-a-masterclass-in-saying-everything-while-promising-nothing-8495c75c5ba3?sk=a6efaf2b6a15adefcf82403ff62ef8da
https://redd.it/1qjl0r5
@programmingreddit
https://jpcaparas.medium.com/satya-nadella-at-davos-a-masterclass-in-saying-everything-while-promising-nothing-8495c75c5ba3?sk=a6efaf2b6a15adefcf82403ff62ef8da
https://redd.it/1qjl0r5
@programmingreddit
Medium
Satya Nadella at Davos: a masterclass in saying everything while promising nothing
A fact-check of Microsoft’s CEO reveals the gap between boardroom polish and operational reality
Two Catastrophic Failures Caused by "Obvious" Assumptions
https://open.substack.com/pub/alexanderfashakin/p/make-it-make-sense-nobody-clicked-the-wrong-button?utm_campaign=post-expanded-share&utm_medium=web
https://redd.it/1qj00yq
@programmingreddit
https://open.substack.com/pub/alexanderfashakin/p/make-it-make-sense-nobody-clicked-the-wrong-button?utm_campaign=post-expanded-share&utm_medium=web
https://redd.it/1qj00yq
@programmingreddit
Substack
Make It Make Sense (1) - How a Spacecraft and a Bank Lost $700 Million Without Anyone Making a Mistake
The Cost of Assumptions
Why Senior Engineers Let Bad Projects Fail
https://lalitm.com/post/why-senior-engineers-let-bad-projects-fail/
https://redd.it/1qijolr
@programmingreddit
https://lalitm.com/post/why-senior-engineers-let-bad-projects-fail/
https://redd.it/1qijolr
@programmingreddit
Lalit Maganti
Why Senior Engineers Let Bad Projects Fail
When I was a junior engineer, my manager would occasionally confide his frustrations to me in our weekly 1:1s. He would point out a project another team was working on and say, “I don’t believe that project will go anywhere, they’re solving the wrong problem.”…
Essay: Performance Reviews in Big Tech: Why “Fair” Systems Still Fail
https://medium.com/@dmitrytrifonov/big-tech-performance-review-01fff2c5924d
https://redd.it/1qjleer
@programmingreddit
https://medium.com/@dmitrytrifonov/big-tech-performance-review-01fff2c5924d
https://redd.it/1qjleer
@programmingreddit
Medium
Why Big Tech Performance Reviews Aren’t Meritocratic
How to gaslight employees at scale
Announcing winapp, the Windows App Development CLI
https://blogs.windows.com/windowsdeveloper/2026/01/22/announcing-winapp-the-windows-app-development-cli/
https://redd.it/1qk0vip
@programmingreddit
https://blogs.windows.com/windowsdeveloper/2026/01/22/announcing-winapp-the-windows-app-development-cli/
https://redd.it/1qk0vip
@programmingreddit
Windows Developer Blog
Announcing winapp, the Windows App Development CLI
We are excited to announce the public preview of the Windows App Development CLI (winapp), a new open-source c
Underground Resistance Aims To Sabotage AI With Poisoned Data
https://www.forbes.com/sites/craigsmith/2026/01/21/poison-fountain-and-the-rise-of-an-underground-resistance-to-ai/
https://redd.it/1qkfxlz
@programmingreddit
https://www.forbes.com/sites/craigsmith/2026/01/21/poison-fountain-and-the-rise-of-an-underground-resistance-to-ai/
https://redd.it/1qkfxlz
@programmingreddit
Forbes
Underground Resistance Aims To Sabotage AI With Poisoned Data
The Poison Fountain project is trying to start a techno-uprising with its manifesto and sabotage playbook.
Why does SSH send 100 packets per keystroke?
https://eieio.games/blog/ssh-sends-100-packets-per-keystroke/
https://redd.it/1qksfgi
@programmingreddit
https://eieio.games/blog/ssh-sends-100-packets-per-keystroke/
https://redd.it/1qksfgi
@programmingreddit
Overrun with AI slop, cURL scraps bug bounties to ensure "intact mental health"
https://arstechnica.com/security/2026/01/overrun-with-ai-slop-curl-scraps-bug-bounties-to-ensure-intact-mental-health/
https://redd.it/1ql0w5p
@programmingreddit
https://arstechnica.com/security/2026/01/overrun-with-ai-slop-curl-scraps-bug-bounties-to-ensure-intact-mental-health/
https://redd.it/1ql0w5p
@programmingreddit
Reddit
From the programming community on Reddit: Overrun with AI slop, cURL scraps bug bounties to ensure "intact mental health"
Explore this post and more from the programming community
Why I’m ignoring the "Death of the Programmer" hype
https://codingismycraft.blog/index.php/2026/01/23/the-ai-revolution-in-coding-why-im-ignoring-the-prophets-of-doom/
https://redd.it/1ql7638
@programmingreddit
https://codingismycraft.blog/index.php/2026/01/23/the-ai-revolution-in-coding-why-im-ignoring-the-prophets-of-doom/
https://redd.it/1ql7638
@programmingreddit
codingismycraft.blog
The AI Revolution in Coding: Why I’m Ignoring the Prophets of Doom – Coding Is My Craft
The AI Revolution in Coding: Why I’m Ignoring the Prophets of Doom Every day, we are bombarded with headlines about how Artificial Intelligence (AI) is "disrupting" every industry in its path. Software development is at the epicenter of this hype. With the…
I let the community vote on what code gets merged. Someone snuck in self-boosting code. 218 voted for it. When I tried to reject it, they said I couldn't.
https://blog.openchaos.dev/posts/week-3-the-trojan-horse
https://redd.it/1ql6zol
@programmingreddit
https://blog.openchaos.dev/posts/week-3-the-trojan-horse
https://redd.it/1ql6zol
@programmingreddit
blog.openchaos.dev
Week 3: The Trojan Horse
A PR hid vote manipulation in plain sight. Democracy overruled the maintainer. So the maintainer wrote a constitution.
cURL Gets Rid of Its Bug Bounty Program Over AI Slop Overrun
https://itsfoss.com/news/curl-closes-bug-bounty-program/
https://redd.it/1qljc0t
@programmingreddit
https://itsfoss.com/news/curl-closes-bug-bounty-program/
https://redd.it/1qljc0t
@programmingreddit
It's FOSS
cURL Gets Rid of Its Bug Bounty Program Over AI Slop Overrun
Daniel Stenberg says the inflow of AI slop has become unsustainable for the curl security team to handle.