Programming Tutorials

一、引言：知道原理，更要会用 前面四篇文章（s01-s04）我们已经把 A2A 协议的理论讲透了： s01 讲了为什么 agent 需要通信——单 agent 干不了复杂活，协作才是正道 s02 讲了消息类型体系——task_delegate、status_sync、r

A few days ago I published a post about building a PDF tool in Rust because I got tired of paying for Adobe. It got more attention than I expected, s

The assumption most engineers make We often assume the internet is consistent. Same URL → same response. But in reality: That assumptio

*Introduction * Finding skilled tech professionals has become one of the biggest challenges for modern businesses. Partnering with an IT staffing comp

In a machine learning pipeline, the quality of feature engineering directly determines the prediction ceiling of the final model. However, as data sca

TAGS: system-design, distributed-systems, fintech, reliability-engineering Most engineers have heard of "fail-safe" design. Circuit breakers trip.

Ollama acaba de agregar soporte nativo para herramientas en más modelos y la comunidad está celebrando. Yo también lo usé, lo defiendo en Twitter cuan

The Fastest Way to Build a Telegram Bot Natively Telegram bots are powerful tools for automating tasks, interacting with users, and integra

A merchant friend of mine runs a small Shopify store selling mechanical keyboards. Last spring, he messaged me in a panic. Overnight, 47 orders had go

10M Records, 40s: Exploring the "Missing Middle" of Data Processing in Java I’ve always found it strange how quickly developers leave the J

When building a SaaS product that integrates with a third-party API like Stripe, you will eventually face a problem that seems simple on the surface:

Static RAG is great… until your data gets old. I built a lightweight real-time pipeline in Python: → query search engine via API → extract top resu

How do you turn a Playwright script into a reliable scraping worker for Kubernetes? I walk through a real setup with: — Bright Data Browser API for

Genericagent – Python Project: Complete Project Ideas Guide (2026) Discover 10 amazing Genericagent – Python Project project ideas for beg

Last year, I spent two weeks debugging why my robot kept repeating the same mistake. Not a code bug. Not a hardware failure. The robot knew what it h

🚀 Clprolf — Quick Entry 🎯 The Problem In classical OOP, classes tend to drift over time: a class starts simple responsibilities accumula

Every Java developer has written this code: Workbook wb = new XSSFWorkbook(file); Sheet sheet = wb.getSheetAt(0); for (Row row : sheet) { Strin

From Eval to Production: A Ruby and Rails Approach If you read the first article, you now have a set of evaluators that can score your LLM

I spent 4 months refactoring a Go CLI and tracked every change in a catalog. When I looked at the 60 entries, the largest cluster wasn't about types o

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