Offline Mode
Some functions might not work
Nam Vo Website
I developed this website to
share my knowledge and satisfy my coding passion
0
Total Articles
0
Knowledge Shared
0
Moments Captured
Recent moments
Capturing the beauty of everyday life through my lens.
.jpeg)
.jpeg)
Minion Scooter
Terraced fields - Ha Giang
Bitexco
Fallen Sky
Violet Sky
Sunset in the rice field
Reading room
Insightful articles, tutorials, and my coding journey.
LATEST BLOGS
[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
Access Tokens and Refresh Tokens: Why Do We Need Both?
I used to think authentication was simple. You log in, the server gives you a JWT, and you attach that JWT to every request. Something like: Authorization: Bearer eyJhbGciOiJIUzI1NiIs...Then the obvious question appears: Why not just make that token ...
2026-09-15 20:29:54 +0700
· 5 mins read
Software Engineer
Software Engineer
Interview
Interview
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
How to customize YJIT in the Rails app
In this post, we'll dive into what YJIT is, how to enable it in your Rails app, and how to monitor and configure it for optimal performance.What is YJIT?YJIT is a lightweight Just-In-Time (JIT) compiler introduced in Ruby to speed up method execution...
Software Engineer
Software Engineer
Ruby on Rails
Ruby on Rails
2025-02-01 17:28:04 +0700
·
3 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
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
Popular apps
Discover the ultimate collection of free tools, conveniently accessible in one place.
Image Tools
Transform your images effortlessly, all within your browser. No uploads, no tracking - just pure, private image editing.
Try it now!
Caro Chess
The classic strategic game with Minimax alpha-beta engine. Challenge yourself in Easy, Medium, or Hard mode.
Play it now!
Link Shortener
Now you can shorten your link with a custom path. Say goodbye to complex shortened link characters and enjoy the convenience.
All for free!
QR Code Generator
Simply input your link, and instantly create a QR Code that directly leads to your website, no redirects or tracking involved.
Custom sizes are supported for use in your design.
What is my IP Address?
Check your IP address and find your IP location including city, region, country and postal code
Check it now!