阿正的梦工坊

iterate over multiple iterables in parallel

strip() is useful for removing unwanted characters from the start and end of strings.

The ARIMA model is a powerful tool for time series forecasting, suitable for both stationary and non-stationary data. By using autoregression (AR), differencing (I), and moving average (MA), ARIMA helps uncover trends and seasonality in time series data.

The Y Combinator is an elegant solution to the problem of recursion in the absence of named functions.

PEFT 项目的打包流程十分标准化，主要依赖 setuptools 和 twine工具。开发者可以根据不同需求扩展依赖项，并轻松实现版本管理与发布。

清晰掌握现代 Python 项目打包的完整流程

PyPI is a vital part of the Python ecosystem. It allows developers to easily store, share, and manage Python packages, significantly simplifying the process of installing third-party libraries and managing package dependencies.

During this process, pip downloaded Wheel files (.whl) and associated metadata files (.whl.metadata)

Conda installs these core packages to provide a stable runtime environment that supports package management, security, performance optimization, and compatibility across different platforms.

在Python中，“子对象”指的是对象内部包含的其他对象，通常是嵌套的数据结构

pyproject.toml 文件是 Python 项目配置的核心组件,它定义了项目的依赖、构建工具、元数据及其他开发配置。

Here is a full example of how to implement the TF-IDF (Term Frequency-Inverse Document Frequency) algorithm from scratch, covering the calculation of TF (Term Frequency), IDF (Inverse Document Frequency), and the resulting TF-IDF.

json.loads: Parses a JSON string into a Python data structure.json.dumps: Serializes a Python data structure into a JSON string.

Always evaluate whether your data should be unique (instance variable) or shared (class variable) before deciding which type to use.

Use self in instance methods when working with object-specific data or behaviors. Use cls in class methods when working with shared data or operations at the class level

Static methods handle fixed logic, like configuration registration. Class methods allow for dynamic instantiation of different configurations based on input parameters, enabling easy model extensions and customization.

Use `@staticmethod` when your method performs operations unrelated to class or instance data. Use `@classmethod` when your method needs access to class-level attributes or needs to create instances dynamically.

By caching results of expensive or repetitive function calls, it saves time and computational resources.

When using the @decorator syntax, Python applies the decorator to the function during the loading phase.The original function is replaced with the new function returned by the decorator.

With tools like reflection and metaclasses, Python’s metaprogramming capabilities remain a cornerstone of its flexibility and wide adoption.

Dynamic method invocation illustrates the fundamental difference between Python and static languages like C++. While Python provides unmatched flexibility and ease of use, C++ offers performance and compile-time safety.

While dynamic invocation provides significant flexibility, it can introduce bugs that are only detectable at runtime. This is a key difference from static languages, which prevent such issues at compile time.

This dynamic capability allows developers to interact with objects, modules, and attributes programmatically without knowing their details at compile time. I

Fire offers an elegant and efficient way to create CLIs from Python classes and objects

For anyone looking to streamline their Python command-line tools, Fire is an excellent choice, offering an easy-to-use, flexible, and highly readable alternative to traditional libraries like argparse.

A thread pool is a collection of worker threads that are used to execute tasks asynchronously. Instead of creating a new thread for each task, you reuse threads that are already in the pool.

By utilizing a thread pool, you can efficiently handle multiple tasks concurrently, improving the overall performance of your Python programs, especially for tasks that involve waiting on external resources.

踩坑

记录知识，形成体系

记录知识，形成体系

记录知识，形成体系

学习基础，构建体系

项目：外星人小游戏

记录知识，形成体系

记录知识，形成体系

记录知识，形成体系

scrapy爬虫遇到的问题

wsl下python pip遇到的问题

需要/var/lib/dpkg/目录下info文件夹进行处理

ln -s /usr/bin/python3.6 /usr/bin/python