Planet Python·33wuv cheatsheet
A comprehensive command reference for uv, the fast Python package manager and project management tool. Covers essential commands for creating projects, managing dependencies, building and publishing packages, working with scripts, managing Python versions, and using tools in isolated environments. Includes practical examples for common workflows like adding/removing dependencies, version bumping, and running scripts with specific Python versions.
Planet Python·33wPython Memory Tricks to Boost Performance
Comprehensive guide covering practical Python memory optimization techniques including generators for lazy loading, __slots__ for reducing object overhead, weak references for cache management, string interning, smart data structure choices, chunked file processing, and leveraging Python 3.13's mimalloc. Includes ready-to-use code examples and memory profiling tools to help developers reduce RAM usage by 40-60% in large applications.
Planet Python·30wTIL: Loading .env files with uv run
The uv package manager includes built-in support for loading environment variables from .env files using the --env-file flag with uv run, eliminating the need for python-dotenv dependency. This feature allows developers to specify different environment files for various deployment stages and works seamlessly with frameworks like FastAPI.