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Nam Vo Website
I developed this website to
share my knowledge and satisfy my coding passion
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Total Articles
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Knowledge Shared
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Moments Captured
Recent moments
Capturing the beauty of everyday life through my lens.
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Dual Reflections
Mui Dien - Phu Yen
Mountains - Dak Nong
Mail Box - Taiwan
Garlic Fields - Ly Son Island
Red Sand Dune 2 - Mui Ne
Reading room
Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
Access Tokens and Refresh Tokens: Why Do We Need Both?
I used to think authentication was simple. You log in, the server gives you a JWT, and you attach that JWT to every request. Something like: Authorization: Bearer eyJhbGciOiJIUzI1NiIs...Then the obvious question appears: Why not just make that token ...
2026-09-15 20:29:54 +0700
· 5 mins read
Software Engineer
Software Engineer
Interview
Interview
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Ly Son - Vietnam’s Garlic Island
Last year, I visited Phu Quy Island and was impressed by its beautiful beaches. This year, I continued my island-hopping journey, and this time, my destination was Ly Son Island.Ly Son is a small island in Quang Ngai Province. It only takes around 30...
2026-08-19 21:18:02 +0700
· 2 mins read
Life Experience
Life Experience
How to customize YJIT in the Rails app
In this post, we'll dive into what YJIT is, how to enable it in your Rails app, and how to monitor and configure it for optimal performance.What is YJIT?YJIT is a lightweight Just-In-Time (JIT) compiler introduced in Ruby to speed up method execution...
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
2025-02-01 17:28:04 +0700
·
3 mins read
How to restore scroll position in React Router 6
When developing a Single Page Application (SPA) with React and React Router V6, I encountered a scroll restoration issue. When I go to the new page, the scroll position persists instead of being on the topReact Router V6 offers a ScrollRestoration co...
Frontend
Frontend
2024-09-22 18:28:45 +0700
·
2 mins read
How to get table index size in PostgreSQL
Indexes play a crucial role in enhancing the performance of database queries. They allow for faster data retrieval by creating a separate data structure pointing to the data stored in a table. However, indexes come with a cost in terms of disk space ...
Software Engineer
Software Engineer
2024-07-10 23:01:49 +0700
·
1 min read
How Google achieves seamless SSO across multiple domains like Gmail and Youtube?
Have you ever wondered how logging into Gmail can automatically sign you into YouTube, Google Drive, and all other Google services? This behind-the-scenes technique is called Single Sign-On (SSO). In this blog, I will show you some techniques that Go...
Software Engineer
Software Engineer
2024-10-13 18:14:25 +0700
·
2 mins read
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