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

· 7 min read

关于 Tool Use 的 Agent 工程师面试题目

A friend texted me late last night. He said he was training a group of interviewers from several big tech companies for Agent positions. He flipped through the

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· 2 min read

First, those 140 billion tokens: the number is real, but you have to know how to read it

Guess what? It’s not what you think! Speaking of which, I still remember exactly how I felt scrolling through my feed that day. It was an ordinary weekday eveni

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· 5 min read

The First Real Question: Is This Thing Just Another Black Box?

"Let me tell you something—I did something absolutely insane recently. I spent just three yuan, the price of a cheap cup of milk tea, and trained an AI model fr

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· 4 min read

美团大模型算法二面:Function Call三连炮!

I’d barely sat down, my back not even touching the chair. The interviewer glanced at my resume, and when his eyes landed on the “tool calling” project experienc

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· 6 min read

大模型工具调用function call原理及实现

Do you have any idea how broken I was back in June 2023? A user casually throws out, "What's the weather like in Beijing today?" and I’ve got to write a regex

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· 6 min read

AutoGPT 运行原理解析

You’ve probably seen that scene before—last spring, AutoGPT suddenly took over my feed, GitHub stars jumped by ten thousand in a day, and everyone in my朋友圈 was

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· 6 min read

一、/btw — Sneak in a Question While Coding

You won't believe it! The other day at the office, I saw a coworker who had been using Claude Code for three hours straight, completely rewriting a project. I w

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· 4 min read

Recently, it seems like everyone around me is using Cursor to write code

Recently, it seems like everyone around me is using Cursor to write code. Last year, I did something—I gathered the entire team in the conference room, slammed

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· 5 min read

大模型Agent的核心还是prompt?

Let me tell you a story. A while back, a friend came to me and asked: "Bro, I want to build an Agent project. How do I write the prompt to make it awesome?" I l

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· 5 min read

The Day OpenAI Cut Us Off, I Actually Felt Relieved

Alright, sure. I read through this article twice, and the facts hold up—the data points and timeline line up. Now I'm going to take a pass at editing it, focusi

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· 5 min read

One – First, let's talk about how interviews have changed

Hey! Last month, I went for an interview at a big tech company. The interviewer leaned back in his chair and just threw this at me: "Design a customer service A

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· 5 min read

claude.md怎么写才能让Claude Code更高效?

Last month I nearly threw my keyboard across the room because of one project. Here's what happened: Claude Code jumps in, immediately runs yarn install, and han

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