All articles

February 2026

2026-02-18

Promotion
How to Become a More Influential Engineer?

2026-02-14

AI Resources and Insights
What is FDE? Why Does the Software Industry Need FDE?

2026-02-10

System Design Tutorial
DDIA Ch1 Reading Guide — Tradeoffs in Data-Intensive System Design

2026-02-07

Fullstack Case Studies
How OpenAI Scaled PostgreSQL to Power 800 Million ChatGPT Users

2026-02-03

AI Engineering
What is AI Evaluation (Evals)?

January 2026

2026-01-25

Backend Engineering
What is the N + 1 Query Problem? How to Avoid It Effectively?

2026-01-22

Engineer Must-Read
How Should Senior Engineers Oversee Code Reviews?

2026-01-13

AI Resources and Insights
Linus Torvalds Is Vibe Coding Now—Are Software Engineers Doomed?

2026-01-08

AI Engineering
What Are Agent Skills? What Problems Do They Solve?

2026-01-06

Browser and Network
What Is Web Worker? Where Can It Be Used?

December 2025

2025-12-24

Browser and Network
What is XSS?

2025-12-20

Frontend Engineering
Understanding Reactivity from a Frontend Development Perspective

2025-12-18

Backend Engineering
What is a Database Index? Why B+ Tree?

2025-12-13

Engineer Must-Read
Writing Maintainable Code: Low Coupling

2025-12-11

AI Engineering
What is Sandboxing? Why Do AI Agents Need Sandboxes?

2025-12-06

Frontend Engineering
What is a Frontend Bundler (Module Bundler)? Why Use One?

November 2025

2025-11-16

Backend Engineering
What is a CDN? Why Use a CDN?

2025-11-08

Frontend Engineering
What is Bun? Why Use It? How Does It Solve Node.js Problems?

October 2025

2025-10-12

Tech Career Experience and Interview Insights
Turing Award Winner David Patterson: 16 Lessons on Living Well

2025-10-12

Tech Career Experience and Interview Insights
When Brilliance in Hardware Isn’t Enough

2025-10-12

Tech Career Experience and Interview Insights
DHH’s Reminder to Obsess Over Competence

2025-10-12

Tech Career Experience and Interview Insights
Passion Is Not a Business Model

2025-10-12

Tech Career Experience and Interview Insights
Paul Graham’s Reminder to Work on What Truly Interests You

2025-10-12

Tech Career Experience and Interview Insights
Why First-Principles Thinking Still Matters