This article is a machine translation of the contents of the following URL, which I wrote in Japanese:
https://qiita.com/Nana_777/items/d71dacb97e1e99375b36
This is the fifth post in the Japan AWS Top Engineers Advent Calendar 2025.
Today, I'd li...
We've all been there. You open a Pull Request, and it's 50 files deep. You spend the next hour commenting on indentation, variable naming, and missing docstrings. By the time you're done, you're exhausted.
And that's exactly when the real bugs slip through.
I'm talking about the silent performance killers. The O(n) operation inside a loop. The unconstrained file ext...
Just a week ago, Google launched Antigravity, and why not give it a try and share my experience? And here I am for this.
In this article, I'll talk about my first experience with Antigravity and how I built a small web app called The Mood Mirror. This app emulates an artist who can convert your mood int...
it’s a context → space → navigation language.
You “enter spaces” (by establishing context) and then you navigate inside them.
So the ordering rule is:
• Context moves (like @, _, ~) are like changing coordinate frames / entering encrypted subspaces.
• Once you’re inside a frame, navigation is meaningful and can be non-linear (set-like / compositional).
Introduction
This is my first post on DEV++, and I’m excited to share my journey of learning and exploring technology. I believe that writing about what we learn makes our knowledge stronger and helps others grow as well.
Why I Started Writing
To organize and strengthen my learning
To help others who are also beginners
To stay consistent in my tech journe...
This is a submission for the Google AI Agents Writing Challenge.
Before joining this course, I mostly viewed AI as a system that receives a prompt and returns an answer. Over five days, my thinking shifted toward seeing AI a...