The Violin Channel

String Orchestra: Evolution, Repertoire, and Enduring Appeal

A string orchestra is an ensemble composed exclusively of string instruments—violins, violas, cellos, and double basses—without the winds, brass, or percussion found in full symphony orchestras. This ...

Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...

Python 3.15 で消えた標準ライブラリの API を、ご自身のコードから AST で洗い出す――公開名の差分 502 件と、ruff・pyupgrade・vermin との ...

Python 3.15.0 が 2026 年 10 月 9 日にリリースされました。公式の「What's New in Python 3.15」の Removed ...
blog.csdn

JSON转Tree从扁平到嵌套：Map映射方案与工程实践详解

JSON作为一种通用的数据交换格式，在前后端交互中无处不在。解析JSON时，数据结构转换是常见难题，尤其是如何将扁平的父子记录（如id与parentId）转换为树形嵌套结构（children），这是后台管理系统、电商分类或数据可视化等场景的核心需求。简单递归虽直观，但大数据量下容易性能低下，甚至 ...