大家好，欢迎来到 Crossin 的编程教室。很多读者问过我同一个问题：“Crossin，我 Python 基础学完了，也刷了几本入门教程，接下来应该怎么进阶？”这个问题很常见，也很真实。有人写了两年多代码，业务、爬虫、数据处理都上手，可一翻 Django、FastAPI、pandas 或 asyncio ...

Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Cybersecurity researchers have discovered vulnerable code in legacy Python packages that could potentially pave the way for a supply chain compromise on the Python Package Index (PyPI) via a domain ...

Cybersecurity researchers have discovered two new malicious packages in the Python Package Index (PyPI) repository that are designed to deliver a remote access trojan called SilentSync on Windows ...

Functions are the building blocks of Python programming. They let you organize your code, reduce repetition, and make your programs more readable and reusable. Whether you’re writing small scripts or ...

Python developers often need to install and manage third-party libraries. The most reliable way to do this is with pip, Python’s official package manager. To avoid package conflicts and system errors, ...

This package provides a python decorator to save on disk and reuse the results of functions that are long to execute. This can be referred to as persistent memoization. The result of a decorated ...

Astral's uv utility simplifies and speeds up working with Python virtual environments. But it has some other superpowers, too: it lets you run Python packages and programs without having to formally ...

When you install Python packages into a given instance of Python, the default behavior is for the package’s files to be copied into the target installation. But sometimes you don’t want to copy the ...

A malicious Python Package Index (PyPI) package named "set-utils" has been stealing Ethereum private keys through intercepted wallet creation functions and exfiltrating them via the Polygon blockchain ...