Golden clouds above a quiet line of power poles

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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.

Train Street - Ha Noi

Train Street - Ha Noi

Ancient Town - Hoi An

Ancient Town - Hoi An

Ky Dai - Hue

Ky Dai - Hue

Sunset light reflecting on the sea

Sunset light reflecting on the sea

Alishan - Taiwan

Alishan - Taiwan

Glowing Cloud

Glowing Cloud

Blue gradient sky

Blue gradient sky

Ha Long Bay from above

Ha Long Bay from above

Reading room

Insightful articles, tutorials, and my coding journey.

LATEST BLOGS
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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
published 2026-10-26 21:46:17 +0700 · 5 mins read
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
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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
published 2026-10-14 20:29:07 +0700 · 6 mins read
Ruby on Rails
Ruby on Rails