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Nam Vo Website
I developed this website to
share my knowledge and satisfy my coding passion
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Moments Captured
Recent moments
Capturing the beauty of everyday life through my lens.
Bich Dong Pagoda - Ninh Binh
Red Sand Dune 1 - Mui Ne
Singapore - Fort Canning Park
Singapore - Marina Barrage 1
Ly Son Island
Tea plantation - Bao Loc
Reading room
Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
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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
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Understand clientHeight, offsetHeight, scrollHeight and scrollTop
When working with the DOM, there are four properties that developers often confuse: clientHeight, offsetHeight, scrollHeight, and scrollTopThey all sound similar, but each one measures a different aspect of an element. In this post, we’ll visualize w...
2026-07-06 21:47:00 +0700
· 2 mins read
Software Engineer
Software Engineer
Frontend
Frontend
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
Solving the "must appear in the GROUP BY clause" Error in Rails and PostgreSQL
This blog will give an example of how to resolve this common error when using group_by in Active Record1. Example problemFirst, take a look at this SQL problem. Imagine you're working on a booking application where users can have multiple sessions. Y...
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
2024-07-10 23:00:10 +0700
·
3 mins read
Common Mistakes When Using Sidekiq
Sidekiq is a popular background job processing library for Ruby that allows you to offload time-consuming tasks from your main application thread. While Sidekiq can significantly improve the performance and responsiveness of your application, it's es...
Ruby on Rails
Ruby on Rails
2024-08-27 21:25:30 +0700
·
3 mins 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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