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Ideas, code, and
everyday moments.
Practical code, useful ideas, and lessons I’m learning.
Notes from the journey in this life
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Recent moments
Capturing the beauty of everyday life through my lens.
Cloud Forest - Singapore
Nho Que River - Ha Giang
Tainan - Taiwan
Bougainvillea
"M" Slope - Ha Giang
Sunset light reflecting on the sea
Ancient Town - Hoi An
Blue gradient sky
Reading room
Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
From Heroku to Kamal: Taking Control of My Rails Deployment
I used to deploy my Rails application to Heroku. It was convenient: push the code, wait for the build, and let the platform handle the infrastructure. But eventually, I wanted more control over my server and a more cost-effective way to host my perso
2026-10-26 21:46:17 +0700
· 5 mins read
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
Include, Extend, Prepend in Rails: Understanding Ruby Modules
When I first started working with Rails, I saw include everywhere. Models included modules, controllers included concerns, and some classes used extend or prepend. At first, the differences seemed simple:include adds instance methods.extend adds clas
2026-10-14 20:29:07 +0700
· 6 mins read
Ruby on Rails
Ruby on Rails
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
Interpreted vs Compiled Programming Languages
Programming languages serve as powerful tools for developers to create software applications and bring their ideas to life. Behind the scenes, these languages are executed by either compiling or interpreting processes. In this blog, we will explore t
Software Engineer
Software Engineer
2024-07-10 17:07:38 +0700
·
4 mins read
Safe Concurrent Updates in Rails with Locks and Atomic SQL
Some applications require handling concurrent updates, like buying concert tickets or transferring money. In these cases, data consistency and atomicity are critical. Any mistake can lead to overbooking, double-spending, or even lost money. This post
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
2025-08-08 10:21:06 +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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