Notes on web development, Python internals, and practical testing. 2026-02-02T14:40:20+00:00 https://1st.github.io/ Engineering notes for pros https://1st.github.io/devops/jekyll-github-actions-basics 2026-02-02T00:00:00+00:00

If you want a Markdown-first blog on GitHub Pages with automatic builds, Jekyll plus Actions is the shortest path. Here is the core setup you need.

https://1st.github.io/python/can-two-python-objects-share-the-same-id 2026-01-20T00:00:00+00:00

In Python, the id() of an object is its memory address (or a unique identifier for that object during its lifetime). Whether two objects can share the same id() depends on when and what objects we are talking about.

https://1st.github.io/testing/software-test-types 2026-01-15T00:00:00+00:00

Testing is a cornerstone of modern software development, ensuring that applications work as intended, remain reliable, and deliver a smooth user experience. Without proper testing, small coding mistakes can slip into production, leading to bugs, security vulnerabilities, performance issues, or even complete system failures.