December was an inflection point with Claude Code + Opus 4.5
CODE
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Codex optimization nerfs ML predictive accuracy
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Quick update: seems like Codex tried to “optimize” the ML library by *massively* nerfing predictive accuracy. Trying to fix that now.
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Free Claude Mastery Guide with Updated Skills Section
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I should charge $99 for this. But I'm giving away our Claude Mastery Guide for free.
We just updated it with a full Claude Skills section, the feature most people still don't know exists. Inside:
→ 30 prompt engineering principles
→ 10+ mega-prompts ready to copy
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Prompt Injection Attacks Against AI Code Generation Systems
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Those look good in non-adversarial environments, but I still worry about deliberate prompt injection attacks, like tricking Codex into running a curl $URL | sh command through obfuscating details via base64
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Claude Code used for SeaweedFS experimentation
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It's working really well for me so far! I used it to experiment with SeaweedFS in Claude Code for web this morning
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Local Sandbox Testing and Code Execution Strategies
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almost entirely –yolo, usually in a remote sandbox, often locally and not in a sandbox, still trying to find a local sandbox that I like
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Sandboxing practices for safe AI code development
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Git! But yeah, that's why I mostly YOLO in Claude Code for web, then it's in a container where it can't damage anything I don't yet have a local sandboxing habit that I stick with, but I really need one
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YOLO Users: Testing AI Systems in Sandbox Environments
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Follow-up for –yolo users: are you YOLOing in a sandbox?
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AI coding agents: security flags and permission handling
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Coding agent users: do you run with –yolo (Codex) or –dangerously-skip-permissions (Claude Code) or equivalent?
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LoRA: Fine-tuning Large AI Models Efficiently Without Full Retraining
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LoRA: Teaching Massive AI Models New Skills Without Retraining Everything
— Satya Mallick (@LearnOpenCV) 13 février 2026
In this episode of Artificial Intelligence: Papers and Concepts, we break down LoRA (Low-Rank Adaptation) – a breakthrough technique that makes fine-tuning large language models faster, cheaper, and far… pic.twitter.com/Zmw6e9lsnPLoRA: Teaching Massive AI Models New Skills Without Retraining Everything In this episode of Artificial Intelligence: Papers and Concepts, we break down LoRA (Low-Rank Adaptation) – a breakthrough technique that makes fine-tuning large language models faster, cheaper, and far