A global community of Chinese Python developers offering technical articles, columns, original video tutorials, and problem sets. Topics include web full‑stack development, web scraping, data analysis, natural language processing, image processing, machine learning, automated testing, DevOps automation, and big data.
This tutorial demonstrates how to use Python and Selenium to collect thousands of hot comments from QQ Music, parse the data from dynamically loaded list items, store it in CSV files, and finally generate a word‑cloud visualization of the comment content.
Mastering debugging in Python boosts development efficiency, and this guide walks you through ten practical techniques—from using the built-in pdb and breakpoint() to leveraging logging, assertions, warnings, IDE tools, and unit testing—complete with code examples and actionable tips for developers of all levels.
Robyn, a Python web framework powered by a Rust runtime, achieved a four‑fold reduction in data‑pipeline latency, slashed CPU usage from over 60 % to under 5 %, and dramatically improved memory consumption, demonstrating how Rust’s performance and safety can transform backend services.
This article introduces uv, a Rust‑based, all‑in‑one Python tool that dramatically speeds up package installation, environment handling, project initialization, and version management, offering compatibility with existing workflows while providing simple installation commands and powerful features like uvx for one‑off tool execution.
This article explains how to combine Python for training deep‑learning models with LabVIEW for rapid Windows‑based UI development and model deployment, showing step‑by‑step usage of LabVIEW's Python Node and array passing techniques.
Learn how to connect to MongoDB using PyMongo, create databases and collections, and perform essential CRUD operations—including inserting single or multiple documents, querying with filters and regex, updating records with update_one and update_many, counting, sorting, pagination, and deleting—complete with Python code examples.
This tutorial explains how to use Python, Selenium, and an image‑recognition service to bypass 12306's captcha and slider verification, providing a complete code example and detailing the challenges of image verification and anti‑automation measures.
This guide explains why the default PyPI source is slow for Chinese users and provides step‑by‑step instructions for temporarily or permanently switching pip to domestic mirror servers, covering command‑line configuration and manual file editing across Windows, macOS, and Linux.
This tutorial walks through creating a complete Alien Invasion game using Python and Pygame, covering the main program, game logic, settings, ship, alien, bullet, button, scoring, and game statistics modules, while showcasing screenshots of gameplay and emphasizing modular, object‑oriented design.
This tutorial walks you through creating a basic alien‑invader shooter using Python's Pygame library, covering essential game libraries, class design for Game, Alien, Hero, Generator, and Rocket, collision detection, win/lose logic, and provides the complete source code with explanations.
