🚀 From Procedural to Object‑Oriented Programming Most developers start by writing procedural code. It’s like a recipe: a list of instructions executed line‑by...

markdown Floating‑Point Surprise python print0.1 + 0.2 You expect to see 0.3. Instead, you get 0.30000000000000004. Your calculator says 0.3. Excel says 0.3. Yo...

Background I'm a beginner, but not entirely a newbie. I learned BASIC in the 80s as a kid, HTML + CSS in my twenties, but then hardly did anything with code af...

Na Parte 1https://dev.to/carineneris/alembic-versionamento-de-banco-de-dados-40di deste artigo, aprendemos os fundamentos do Alembic, como inicializar o ambient...

A Dor da Evolução do Banco de Dados em Projetos Ágeis Em projetos de desenvolvimento de software, especialmente aqueles que adotam metodologias ágeis, a arquite...

!Cover image for lru_cache vs singleton in Python — they're not the same thing.https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,...

Episode 1: The One Ring Singleton Pattern Accompanying source‑code repository: Learning Python Object‑Orientedhttps://github.com/vanHeemstraSystems/learning-py...

markdown !Cover image for “How I built an observability layer for my OpenClaw AI agents”https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,grav...

What were you listening to this week last year? What about three years ago? If you're like most people, you have no idea. Those songs are gone — not from Spoti...

match-case is Python’s structural pattern‑matching feature introduced in Python 3.10. Think of it as a much more powerful switch, designed to match not just val...

The Gap I Found Stripe has an official MCP server, but it's TypeScript‑only for local use. The community Python alternatives are basic—typically 5–8 tools, API...

What I Built I built a web dashboard to visualize MLB bat tracking data from Baseball Savant. 👉 MLB Bat Tracking Dashboardhttps://yasumorishima-mlb-bat-tracki...