Posts

All the articles I've posted.

• How to Deploy Node.js and React Apps on Linux Hosting with Nginx Reverse Proxy (PM2 + SSL Guide 2025)

  24 Mar, 2026

  You built a Node.js API or React app and now you're staring at a blank Linux VPS wondering how to actually get it live. Uploading files to shared hosting...

• Session vs JWT: The Complete Theory and Most Common Interview Questions Every Junior Developer Must Know

  20 Mar, 2026

  Nearly 100% of backend interviews include questions about authentication - and the most classic question is still: "How do you distinguish Session from JWT,...

• Phỏng Vấn Junior Outsource: Từ AI Workflow, Dependency Injection Đến Bài Toán Redis Chặn Concurrent Edit

  19 Mar, 2026

  Bạn chuẩn bị phỏng vấn vị trí Junior tại công ty outsource nhưng không biết họ thực sự hỏi gì sau câu "em tự giới thiệu đi"? Nếu chỉ ôn thuần lý thuyết OOP...

• My Junior Intern Backend Node.js TypeScript Interview - What They Asked and How I Answered

  9 Mar, 2026

  Today I want to share an interview I will never forget - my very first Junior Intern Backend Node.js TypeScript interview. Not because I nailed it, but...

• Programmer's Nightmare: Losing All Google Indexing in 1 Night Over a Single Chat Widget Code Line!

  25 Feb, 2026

  Did your website suddenly vanish from Google for no apparent reason? Discover this real-life case study of how a chat widget snippet blocked Googlebot and...

• Nginx Configuration Guide: HTTP, HTTPS, Proxy Pass

  8 Jan, 2026

  Discover how to configure Nginx effectively for HTTP, HTTPS, Proxy Pass, and URL blocking. Optimize your website today!