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Nam Vo Website
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share my knowledge and satisfy my coding passion
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Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
Store Sensitive Data in Rails
attr_encrypted used to be the go-to solution for encryption in Rails applications. However, Rails 7 introduced Active Record Encryption, making application-level encryption a first-class feature. Adding encryption is now as simple as:// language: rub...
2026-06-08 20:05:25 +0700
· 5 mins read
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
PWA and Service Worker: Making Your Web App Feel Native
You might have seen browsers allow you to install a website like an app. Building a native application takes significant effort, and not many common applications support it. Google Calendar and Gemini are examples. To use them like a native app, I ju...
2026-04-25 17:28:32 +0700
· 3 mins read
Software Engineer
Software Engineer
Frontend
Frontend
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
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 to Manage and Renew SSL Certificates Using Docker Compose
Securing your website with SSL certificates is essential to protect data transmitted between the server and client. Managing and renewing SSL certificates can be a cumbersome task, but Docker simplifies this process. In this blog post, we will demons...
Docker
Docker
Software Engineer
Software Engineer
2024-08-15 21:06:08 +0700
·
3 mins read
Custom Fullscreen Button: A Cross-Browser Solution
Fullscreen functionality is a common requirement in web development, especially with media elements like custom video player. In this blog post, I'll share my experience working with fullscreen APITL;DRNote: On iOS browsers, the element must be a vid...
Frontend
Frontend
2024-07-10 21:59:43 +0700
·
2 mins read
Recent moments
Capturing the beauty of everyday life through my lens.
Ancient Town - Hoi An
Bougainvillea from my company view
Vung Ro - Phu Yen
Mountains - Dak Nong
Train Street - Ha Noi
Ky Dai - Hue
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