P4689 [Ynoi2016] 这是我自己的发明 与 P5268 [SNOI2017] 一个简单的询问0,思路： 首先可以先考虑没有换根的情况。 先将树拍到 dfn 序上，那么一个子树 \(u\) 的所有点的 dfn 序区间为 \([dfn_u...

BCELoss in PyTorch,Buy Me a Coffee *Memos: My post explains BCE(Binary Cross Entropy) Loss. My post explains BCEWithLogitsLoss(). My post explains CrossEntropyLoss(). BCELoss() can...

Pytest and PostgreSQL: Fresh database for every test (part I), Pytest and PostgreSQL (2 Part Series) 1 Pytest and PostgreSQL: Fresh database for every test (part I) 2 Pytest and Po...

A simple way to extract all detected objects from image and save them as separate files using YOLOv8.2 and OpenCV, YOLOv8 (6 Part Series) 1 How to detect objects on images using th...

Understanding Waits in Selenium 4,In this post, we’ll explore the different types of waits in Selenium 4, including new improvements and best practices for their usage. Types of W...

使用 preloadComponents 进行组件预加载, title: 使用 preloadComponents 进行组件预加载 date: 2024/8/18 updated: 2024/8/18 author: cmdragon excerpt: 摘要：本文介绍Nuxt 3中的preloadComp...

Good keys, Weekly Challenge 282 Each week Mohammad S. Anwar sends out The Weekly Challenge, a chance for all of us to come up with solutions to two weekly tasks. My solutions are w...

Mastering Python: A Collection of Captivating Coding Tutorials , Python (26 Part Series) 1 Numpy Dot Function 2 6 Captivating Python Programming Tutorials from LabEx ... 22 more pa...

.Net 中各种线程同步锁,编程编的久了，总会遇到多线程的情况，有些时候我们要几个线程合作完成某些功能，这时候可以定义一个全局对象，各个线程根据这个对象的状态来协同工作，这就是基本的线程...

MultiQuine. Weaving the web of Quines, Quine (4 Part Series) 1 Quine: Self replicating computer programs 2 Intron: Junk or not Junk, that is the quine-tion 3 QuineRelay: Birth of t...

Roslyn 简单实现代码智能提示补全功能,现在的 dotnet C# 核心构建工具链是非常完善的且开放的，基于 dotnet 完善的构建核心能力，咱可以非常方便的在此基础之上构建咱的编译器相关的应用 由于如...

Matplotlib Colormap Normalization: Visualizing Nonlinear Data, Python (26 Part Series) 1 Numpy Dot Function 2 6 Captivating Python Programming Tutorials from LabEx ... 22 more part...