from airflow import DAG from airflow.operators.python import PythonOperator from datetime import datetime, timedelta import pandas as pd # 1. 定义数据清洗函数 ...

GM pickups powered by a Duramax diesel engine offer loads of benefits, including strong low-end torque and impressive real-world efficiency. However, diesel engines also require some specialized ...

三天前，Python 软件基金会（PSF）正式发布了 Python 3.14.0。这是一次里程碑式的更新，带来了多个开发者期待已久的新特性，包括自由线程（支持、子解释器（Subinterpreters）引入、结构化模式匹配增强，以及对异步编程机制的深度优化等。 从功能上看，3.14 的变化 ...

大家好，这里是程序员晚枫。 国庆期间（2025.10.7），Python 3.14正式亮相！作为圆周率π的近似值，3.14这个版本号对Python来说具有里程碑意义。 此次更新带来了一系列令人振奋的新特性，从性能优化到语法增强，从安全改进到开发体验提升，全面提升了Python的竞争 ...

IT之家10 月 7 日消息，当地时间 10 月 7 日，Python 软件基金会宣布 Python 3.14.0 正式发布，也就是用户期待已久的圆周率（约 3.14）版本，再加上谐音梗可戏称为 πthon。 这是 Python 编程语言的最新稳定版本，与 Python 3.13 相比在功能和性能上均有显著改进。IT之家汇总 ...

Official support for free-threaded Python, and free-threaded improvements Python’s free-threaded build promises true parallelism for threads in Python programs by removing the Global Interpreter Lock ...

用 Python 时，你是否遇到过这种糟心情况：刚把 Python 升级到最新版，打开之前能正常运行的项目（比如旧量化脚本、数据分析工具），却弹出一堆 “库不兼容” 报错；或者想装某个旧版第三方库，却提示 “需要 Python 3.8 及以下版本”—— 这时，“Python 降级 ...

Thinking about learning Python? It’s a pretty popular language these days, and for good reason. It’s not super complicated, which is nice if you’re just starting out. We’ve put together a guide that ...

In any Tkinter program, the first thing you need is a window. This window will act as a container for your app. This line brings the Tkinter library into your program. We give it the nickname tk so we ...

In this tutorial, we’ll walk through how to set up and perform fine-tuning on the Llama 3.2 3B Instruct model using a specially curated Python code dataset. By the end of this guide, you’ll have a ...