Jingyan Gu MQTT over SSL: Practical Decisions on Certificate Revocation Checking (CRL/OCSP) MQTT over SSL: Practical Decisions on Certificate Revocation Checking (CRL/OCSP) 🎯 Problem Origin While implementing an MQTT over SSL connection to HiveMQ Cloud , we encountered a frustrating error: j... Article Dec 25, 2025
Jingyan Gu A comprehensive personal AI assistant Life Butler AI Your Personal Life Assistant Life Butler is a privacy-first, local-first personal life management system that transforms how you organize, query, and gain insights from your daily activ... Success Story Aug 23, 2025
Jingyan Gu ERP CRM All-In-One Business Software Suite In today’s fast-paced business world, managing multiple systems for sales, inventory, accounting, marketing, and customer relationships is no longer sustainable. That’s why more and more companies are... Success Story Apr 22, 2025
Jingyan Gu CSA-Approved Smart Vending Machine Full Stack Developer Project: CSA-Approved Smart Vending Machine I am thrilled to share my latest project, where I single-handedly transformed a completely non-functional vending machine into a sophis... Success Story Jun 30, 2024
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