Tech Blog
Frontend deep dives, architecture design, performance optimization, and development insights
AI Agent Protocol Comparison: MCP vs A2A vs AG-UI — Who Will Become the Standard?
A comprehensive comparison of the three major AI agent protocols in 2026: MCP, A2A, and AG-UI. Analyzing architecture, use cases, ecosystem maturity, and predicting the future standard.
From Writing Code to Directing AI: A Programmer's Survival Guide for 2026
A comprehensive survival guide for programmers in the AI era. Covering Vibe Coding, AI tool mastery, career transformation from code writer to AI director, and practical strategies to thrive when AI generates 68% of code.
AI Prompt Engineering Best Practices: Making LLM Outputs More Precise
A comprehensive guide to prompt engineering covering core principles, prompt patterns (Zero-shot/Few-shot/CoT/ToT/ReAct), structured output techniques, system prompt design, context window management, common task templates, hallucination avoidance, cost optimization, multi-turn conversation design, prompt security, and evaluation benchmarking.
AI Content Moderation System: Python + LLM + OpenCV for Enterprise Content Safety
Build an enterprise-grade AI content moderation system using Python, large language models, and OpenCV. Covering text classification, image detection, video analysis, and the architecture behind ByteDance's content safety platform.
CSS Container Queries & Modern Layout in Practice: From Responsive to Component-Driven
A comprehensive guide to CSS container queries syntax and practical usage, :has() selector, native nesting, subgrid, anchor positioning, view transitions, scroll-driven animations, cascade layers, logical properties, browser support table, and progressive enhancement strategies.
DevOps CI/CD Pipeline in Practice: Docker + Kubernetes Full Chain
From CI/CD fundamentals to production-grade full-chain pipelines: GitHub Actions / GitLab CI / Jenkins comparison, Docker multi-stage builds and image optimization, K8s deployment strategies (rolling/blue-green/canary), GitOps + ArgoCD, security scanning, environment management, monitoring & alerting and rollback, with complete Workflow code.
Distributed Database TiDB Tuning & Practical Guide
Master TiDB distributed database in depth: HTAP architecture, TiUP deployment, MySQL compatibility checklist, SQL execution plan & tuning, distributed index strategies, hotspot diagnosis & resolution, TiFlash real-time analytics, BR backup & restore, Grafana monitoring, MySQL migration, performance benchmarks, and FAQ.
Git Advanced Workflows & Conflict Resolution in Practice
From Git Flow / GitHub Flow / Trunk-Based comparison to Interactive Rebase step-by-step, Merge vs Rebase deep comparison, conflict resolution strategies (3-way merge / manual / rerere), Cherry-Pick pitfalls, Bisect for bug finding, Worktree for parallel work, Stash advanced usage, Hooks automation, Git LFS for large files, Monorepo strategies, common error rescue (Detached HEAD / Force Push / Reflog), .gitignore best practices, and FAQ.
Go Cloud-Native Microservice Development & Deployment in Practice
Build Go cloud-native microservices from scratch: project structure, gRPC vs REST, service discovery, circuit breakers, Docker multi-stage builds, Kubernetes deployment, OpenTelemetry observability, with complete code examples.
Go + Kubernetes 1.30: Building an AI Inference Platform from Scratch
Build a production-grade AI inference platform using Go and Kubernetes 1.30. Covering GPU scheduling, model serving, auto-scaling, canary deployment, and the architecture for serving LLMs at scale.
Hermes Agent v0.16.0 Deep Review: From Geek Toy to Mass Tool with Remote Gateway
A comprehensive review of Hermes Agent v0.16.0 'Surface Release', featuring native desktop app, remote gateway, MCP integration, and production deployment tutorial for enterprise AI agent applications.
HTTP/3 & QUIC Protocol in Practice: Next-Generation Web Transport
Deep dive into HTTP/3 and QUIC: evolution from HTTP/1.1 to HTTP/3, QUIC internals (0-RTT, connection migration, no head-of-line blocking), HTTP/3 vs HTTP/2 comparison, enabling HTTP/3 in Nginx/Caddy/Cloudflare, Go quic-go development, debugging tips, performance benchmarks, and migration guide.
Kubernetes Troubleshooting in Practice: From Diagnosis to Fix
A comprehensive guide to Kubernetes troubleshooting methodology, covering Pod issues (CrashLoopBackOff/ImagePullBackOff/OOMKilled/Pending), Service and networking problems, Deployment rollback and scaling, PVC/PV storage issues, Node anomalies, kubectl debugging cheat sheet, logs and events analysis, resource limits best practices, NetworkPolicy debugging, common Helm chart issues, Prometheus monitoring alerts, emergency response playbook, and FAQ.
Linux Server Hardening Complete Guide
A comprehensive guide to Linux server security hardening covering security baseline assessment, SSH hardening, firewall configuration, user and privilege management, file system security, kernel parameter tuning, system auditing, log monitoring, automatic security updates, container security, intrusion detection, SSL/TLS hardening, common attack defense, and security checklist.
Build an AI Agent Connected to WeCom in 5 Minutes: MCP Protocol Practical Tutorial
A step-by-step tutorial to build an AI Agent that connects to enterprise WeCom (WeChat Work) using MCP protocol. Complete with Spring Boot backend, MCP Server implementation, and production deployment guide.
Multi-Agent System in Practice: Building an Automated Weekly Report Generator with LangChain + MCP
Build a multi-agent system using LangChain and MCP protocol that automatically collects work data, generates analysis, and creates weekly reports. Complete with agent orchestration, tool integration, and production deployment.
Netflix Headroom Token Optimizer Deep Dive: How to Save 70% on LLM Costs
Deep analysis of Netflix's open-source Headroom token optimizer that saved users $700K+. Covering token compression, model routing, prompt optimization, and deployment guide for production LLM cost reduction.
Nginx High Concurrency Configuration & Performance Optimization in Practice
From event-driven architecture to load balancing algorithms, from connection pool tuning to security hardening — master core Nginx configuration and optimization techniques for high-concurrency scenarios.
PostgreSQL Performance Tuning Complete Guide
Master PostgreSQL performance tuning: EXPLAIN ANALYZE deep dive, index type selection & practice, query optimization patterns, connection pooling, core parameter tuning, partitioning strategies, parallel query, VACUUM & autovacuum tuning, slow query analysis, performance anti-patterns, Prometheus + Grafana monitoring, and FAQ.
Python asyncio in Practice: From Principles to Production
A comprehensive guide to Python asyncio: sync vs async execution model, event loop internals, async/await syntax deep dive, coroutine lifecycle, Task vs Future, common async patterns (gather, wait, as_completed, TaskGroup), async HTTP (aiohttp/httpx), async databases (asyncpg, aiomysql, motor), async file I/O (aiofiles), producer-consumer pattern, rate limiting with Semaphore, error handling and cancellation, debugging async code, mixing sync and async (run_in_executor), performance comparison, common pitfalls, production deployment with uvicorn, FAQ.