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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.
Jiufen Old Street - Taiwan
Blue Sky
Bai Mon - Phu Yen
Mountains - Dak Nong
Holiday in Viet Nam
Dasara Waterfall - Bao Loc
Reading room
Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
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
[Part 1] My Taiwan Trip - More Than I Expected
I had a 6-day trip to Taiwan and made many unforgettable memories there. Taiwan is more than just the modern city of Taipei. From the cypress forests in Alishan to the old streets of Tainan, there are many different sides of the country to discover. ...
2026-10-06 22:34:17 +0700
· 3 mins read
Life Experience
Life Experience
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 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
Rails 7.2+: How to show all model attributes in Rails Console
With the release of Rails 7.2, a new change was introduced to the way ActiveRecord models are inspected in the Rails console. Prior to this version, calling inspect on an ActiveRecord model instance would display all the model's attributes by default...
Ruby on Rails
Ruby on Rails
2025-04-22 11:12:40 +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
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