FastMCP 4 Tutorial: Build an MCP Server in Python, From First Tool to OAuth
FastMCP 4 tutorial: build a Python MCP server with tools, resources and prompts, test it with pytest, add GitHub OAuth, and fix what v4 broke in 3.x code.
Python
Python t-strings (PEP 750) vs f-strings: SQL, HTML, and Logging Examples
Python t-strings (3.14) build a Template object instead of a str. Helpers for SQL placeholders, escaped HTML, lazy JSON logs, psycopg 3.3 usage and 8 gotchas.
Polars vs Pandas in 2026: Performance Benchmarks, Real Numbers, and When to Switch
Polars vs Pandas in 2026: independent benchmarks show 7-40x speedups on large data. What Pandas 3.0 fixes, and what still favors Polars.
mypy vs Pyright vs ty: Python Type Checker Comparison (2026)
mypy vs Pyright vs ty: speed, conformance and IDE support. Pyright leads at 98% spec conformance; ty is 10-60x faster but passes only 53% of tests.
Python 3.14 Free-Threading: Real Benchmarks, Real Breakage, Real Code
Python 3.14's free-threaded build is officially supported. Published benchmarks show ~3x speedups on 4 threads; which libraries break, how to install it.
uv vs Poetry vs pip: Which Python Package Manager Wins in 2026?
uv vs Poetry vs pip: published install and resolution benchmarks, lockfiles, workspaces, Python version management. Which Python package manager to use in 2026.