I spent some time reading obra/superpowers and comparing it with github/spec-kit. At first they look similar because both are about making AI coding agents m...

GitHub Spec Kit: A Practical First Try

8 minute read

I spent some time reading through github/spec-kit because I wanted to understand one thing:

How I Would Learn and Interview as a Software Engineer Now

8 minute read

I spent some time reading about how developers are using AI and how hiring platforms are reacting to it. My simple conclusion is:

From PRD to SDD: Who Writes the Spec?

10 minute read

I have been thinking about SDD again, but this time from a more practical angle:

SDD: A Simple Way to Build From a Spec

9 minute read

I spent some time reading about SDD because the acronym is a little confusing.

What AI Changes About Being a Software Engineer

9 minute read

I spent some time reading reports and studies about AI in software engineering, because the internet answer is usually too loud in both directions.

HNSW: The Graph Behind Fast Vector Search

7 minute read

I found a small Vietnamese post about HNSW and semantic search. It is not a famous article. It has the feeling of something written for engineers who are try...

0-1 BFS: The Small Graph Trick Between BFS and Dijkstra

6 minute read

I found a Vietnamese article on Viblo about 0-1 BFS that felt worth bringing into English. It is not one of the famous global algorithm posts that everyone h...

Vietnam’s Legal Knowledge Graph

7 minute read

I went looking for an interesting Vietnamese story about graphs, not just the usual “DFS and BFS” tutorial. The best one I found is about something very loca...

Single Responsibility Principle (SRP)

5 minute read

We have learnt Object-oriented programming (OOP) in school or have some experiences while working as developers, however not everyone can apply OOP properly ...

Solution for git modifying unintended files

1 minute read

I’m using MacOS and when I need to work with a project in my company (a very big repo). After cloned it to my laptop, I checked out the develop branch. Immed...

Why sorted array faster than unsorted array?

6 minute read

There is a great explanation for this question. In short, it’s because of Branch Prediction.

Good Git commit message

5 minute read

As a developer, I believe most of us used to make commits in git. Sometime you may be wondering on how to write a good git commit message? This is an importa...

RPC vs REST

6 minute read

In my previous post, I have answered the question if we should use gRPC. But why don’t we use REST as another popular protocol in developing web services?

What is gRPC? Should we use it?

3 minute read

Sometime ago back, when I was searching for a good protocol to help backend services communicate with one another easily. I read again RPC and also gRPC conc...

Technology

Is AI the Second Dot-Com Bubble?

8 minute read

I spent some time reading about the dot-com bubble and the current AI boom because I keep hearing the same question: