Life's short, I code in Python. This channel shares Python web crawling, data mining, analysis, processing, visualization, automated testing, DevOps, big data, AI, cloud computing, machine learning tools, resources, news, technical articles, tutorial videos and learning materials. Join us!
This article walks you through using Playwright in Python to scrape the Xinfadi market website, showing how to capture URLs, handle request payloads, extract JSON data, and process results with a complete, runnable code example.
This article walks through a Python file‑processing challenge, explains the logic behind selective batch renaming using regular expressions, provides a complete script, and demonstrates the solution with clear code and illustrative screenshots for practical automation.
This article explains how to use Python's built‑in functions and the os.walk method to automatically locate and delete files or directories belonging to specific subsystems, while also addressing Windows' long‑path limitation by prefixing paths with the special "\\?\" syntax.
A Python community discussion reveals that the bool type is a subclass of int, explaining the relationship between True/False and 1/0, the differences in object identity, the use of __base__, and the distinction between the is and == operators, all backed by code examples and screenshots.
In this brief tutorial, the author shares a straightforward Pandas solution for converting timestamp strings like '06/27/2022 12:00' into 'YYYY‑MM‑DD' format, complete with sample code, screenshots, and an invitation to join a Python learning community for further support.
This article explains why Chinese characters appear as garbled text in Jupyter notebooks and VS Code, demonstrates the issue with screenshots, evaluates several Python code fixes, and ultimately provides a reliable solution by setting the console code page to UTF‑8.
This article walks through a Python function‑argument issue, explains how default parameters work, shows the code breakdown with visual diagrams, and demonstrates how to use Python Tutor to visualize execution, helping readers solve similar problems and deepen their understanding of Python functions.
This article walks through a follower's Pyecharts map visualization problem, explains why the original code failed, and provides a corrected Python script that successfully renders COVID‑19 data maps, complete with screenshots and full code examples.
This article explores a Python list string‑replacement problem and demonstrates seven distinct solutions—including simple replace loops, set‑based approaches, regular expressions, and comprehension techniques—providing clear code examples and results for each method.
Research by aviation writer David Nolan shows rear‑seat passengers have higher crash survival rates, and the article explains how frequency distribution tables, probability calculations, and hypothesis testing can be used to analyze such data, illustrating core statistical concepts with real‑world aviation examples.
