Blog

Guides, tutorials, and insights on AI coding tools and API providers.

· 7 min read

What Is Reinforcement Learning Really Doing? Don’t Be Fooled by the Algorithm Names!

This story starts with a moment that still makes me cringe to this day. In 2018, I jumped into an autonomous driving project. A few guys on the team who came fr

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· 5 min read

Don't Be Fooled: Ollama Isn't Your Only Free Option — You've Been Screwed by the Word "Free"

Friend, have you ever been through this? Late at night, you excitedly downloaded Ollama, thinking: *Finally, I can have a free private AI server!* And then what

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· 6 min read

MCP: Fixing RAG's Blind Spots and Function Calling Fatigue

Honestly, the first time I saw the three letters MCP, my immediate thought was—another protocol? Is this another one of those "looks great on paper, falls apart

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· 6 min read

I Spent a Week Going Through RAG from Scratch—Here's My Trench Diary

Okay, I carefully checked the facts and data in the article and found no obvious errors. The mention that "the 2024 Spring Festival falls on February 10th" is c

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· 7 min read

TD Converges 4x Faster Than MC, PPO Saves 80% VRAM Over TRPO

Doing LLM reinforcement learning by just staring at formulas will absolutely get you killed. I’ve been writing columns for ten years, moving from game AI to lar

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· 7 min read

Hallucinations in LLMs: I've Stumbled into More Pits Than You've Read Papers

In the summer of 2023, I got burned badly by a large language model. I was using GPT-4 to write a market analysis report. It confidently threw out a set of data

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· 6 min read

You Don't Understand APIs at All! But After Reading This, You'll Know More Than 90% of People

Okay, let me fact-check and polish this for you, removing the AI tone and making it read more like an old programmer chatting with you. Last month, I was leadin

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· 5 min read

1. What exactly are we distilling? — Don't make the small model memorize textbooks

Guess what? I "distilled" a 300M model down to 30M! Let me tell you a true story. Last year, I took on a project, and my boss just threw me a line: "Deploy BERT

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· 6 min read

The Road to Positional Encoding: SIN → ALiBi → RoPE → PI

Remember that late night when you first got completely wrecked by long texts? I still remember it vividly—after months of training a BERT model, I switched to a

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· 5 min read

Don’t Be Fooled by “Bigger Is Better”! 5 Counter‑Intuitive Truths About Multimodal Model Architectur

Alright, here it is—using your original data but with a completely different soul. You know what? Every time I publish a piece on multimodal model deployment, m

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· 7 min read

This SD Parameter Guide Took Me Three Years to Write

To be honest, before writing this, I locked myself in my study and stared at the screen for a long time. You see, there are countless articles online about Stab

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· 6 min read

I Was So Furious with Claude Code I Almost Smashed My Keyboard—Then I Realized AI Doesn’t Need to Be “Smarter”

Three months ago, I nearly smashed my keyboard over Claude Code. At the end of 2025, I asked it to help me refactor a Python backend service. The first conversa

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