shadow the dog and
【Python】【OpenCV】视频流操作 and 窗口显示图像和视频
一、读取写入视频文件 1 import cv2 2 3 # 创建一个视屏捕获对象 4 videoCapture = cv2.VideoCapture('AVI.avi') 5 6 # 获取视频的属性值，cv2.CAP_PROP_FPS获取视频帧率 7 fps = videoCapture.get(c ......
The Redemption of the Moon
ZJOI2022 树 考虑一下容斥，钦定若干个节点满足要么都为叶子，要么只有一遍是叶子，另一边无所谓。 记 \(dp_{i,j,k}\) 表示前 \(i\) 个节点， \(T_1\) 中有 \(j\) 个 \(1\to i-1\) 的节点不是叶子，\(T_2\) 中有 \(k\) 个 \(i+1\t ......
[题解]CF1899D Yarik and Musical Notes
思路 暴力化简公式题。 假定 \(b_{i}^{b_j} = b_{j}^{b_{i}}\) 成立，那么有： \[2^{a_i \times 2^{a_j}} = 2^{a_j \times 2^{a_i}}\\ a_i \times 2^{a_j} = a_j \times 2^{a_i}\\ \ ......
The Application of River Chief System on Water Pollution in Britain
Water pollution is a global concern that affects the health and well-being of both humans and ecosystems. In Britain, despite efforts to address this ......
4-1898E - Sofia and Strings
题意： 题解：对于有排序操作且不限次数，最好考虑每次只对两个排序，如果t中的字母在s中的j位置，则s[0,j]之间小于t中字母的字母都要消去，用队列存s中字母的位置，扫描t，每次用s中剩余位置最小的，在消去不可用的即可。 代码： 点击查看代码 #include <bits/stdc++.h> #de ......
Transferability of the Chinese Eco-environmental Protection Measure
London Convention and London ProtocolThe London Convention and London Protocol establish the global rules and standards for preventing, reducing, and ......
CF1898 B Milena and Admirer 题解
Link CF1898 B Milena and Admirer Question 给出一个长度为 \(n\) 的序列 \(a\) ，我们可以做一种操作使得 \(a\) 非降，操作是： 对于一个 \(a_i\) 选择一个整数 \(0 \le x \le a_i\) ，用两个数 \(x,(a_i-x) ......
poj3017 Cut the Sequence
Cut the Sequence Time Limit: 2000MS Memory Limit: 131072K Total Submissions: 15419 Accepted: 4735 Description Given an integer sequence { an } of leng ......
WEBSITE_LOCAL_CACHE_OPTION Environment variables and app settings in Azure App Service
Environment variables and app settings in Azure App Service Setting name Description WEBSITE_LOCAL_CACHE_OPTION Whether local cache is enabled. Availa ......
【略读论文|时序知识图谱补全】Logic and Commonsense-Guided Temporal Knowledge Graph Completion
会议：AAAI，时间：2023，学校：北京航空航天大学 文中谓词可以视为关系。 以往的TKG补全(TKGC)方法不能同时表示事件的时效性和因果关系。为了应对这些问题，作者提出了一个逻辑和尝试引导嵌入模型（LCGE ），从常识的角度共同学习涉及事件的及时性和因果关系的时间敏感表示，以及事件的时间无关表 ......
Local Policies in China and Light Pollution in Singapore
Our measures to combat light pollution can be described as drastic. The main causes of light pollution can be categorized as light-emitting diodes and ......
Transferability of the Chinese Ocean Trash Protection Measure
PROBLEMS Researchers at The University of Western Australia have found that although the Indian Ocean is the world's biggest dumping ground for plasti ......
Makefile - What is a Makefile and how does it work?
If you want to run or update a task when certain files are updated, the make utility can come in handy. The make utility requires a file, Makefile (or ......
CF222A Shooshuns and Sequence 题解
分析 这题是一个很水的题，就是对一个序列有 $2$ 种操作方法，一种是对第 $K$ 个数以前的数的第一个进行删除，另一个则是在整个序列后添加这第 $K$ 个数，使得整个序列为同一个数字，显然，后者是无效操作，则只需要判断第 $K$ 个数以后有无与第 $K$ 个不同的数，有则无解，反之有解。若有解，然 ......
The 2019 ICPC Asia Yinchuan Regional Contest
Preface 好久没有一场比赛做出两位数以上的题了，评价是写代码写得好爽 感觉这种时间比较古早的场的拿奖难度和现在比起来低好多的说，这场在现场如果有10题都能捧个亚军的杯了 但感觉主要是我们J题最后5分钟乱搞了个做法过了样例交上去就直接过了，后面看了其它人的做法好像和我们的都不一样的说，不知道是数 ......
The 'China Solution' in Nigeria
Nigeria， The northern region of Nigeria, particularly the Sahel region, is experiencing severe desertification due to factors such as deforestation, o ......
SQL 的 AND、OR 和 NOT 运算符：条件筛选的高级用法
AND 运算符 SQL的AND运算符用于根据多个条件筛选记录，确保所有条件都为TRUE才返回记录。下面是AND运算符的基本语法： SELECT column1, column2, ... FROM table_name WHERE condition1 AND condition2 AND cond ......
SP28304 ADATEAMS - Ada and Teams 题解
题目传送门 前置知识 乘法逆元 | 排列组合 解法 简单的排列组合。从 \(n\) 个学校中选出 \(a\) 个学校，共有 \(\dbinom{n}{a}\) 种不同的方案数。选出的 \(a\) 个学校中每所学校再从 \(b\) 个人中选出 \(d\) 个人，共有 \(\dbinom{b}{d}^a ......
On the Opportunities and Risks of Foundation Models
引用链接：https://zhuanlan.zhihu.com/p/401157815 论文链接：https://arxiv.org/pdf/2108.07258.pdf 正文分四部分，阐述内容如下： 能力：模型的能力，模型可以做到的事 语言、视觉、机器人学、推理、交互、理解等； 应用：可应用领域 ......
Optimized Content Caching and User Association for Edge Computing in Densely Deployed Heterogeneous Networks论文阅读
目录Optimized Content Caching and User Association for Edge Computing in Densely Deployed Heterogeneous Networks1、问题背景贡献点：2、系统建模及问题公式化系统建模问题公式化联合内容缓存和用户 ......
org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available es端口号及集群名称
org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available elasticsearch有两个端口：http_port和transport.tcp.por ......
初中英语优秀范文100篇-001 The Best Teacher in My Heart
PDF格式公众号回复关键字:SHCZFW001 记忆树 1 It has been four years since I graduated from my primary school but I have always remembered my teacher Ms. Lin. 翻译 我小学毕 ......
The 2020 ICPC Asia Yinchuan Regional Programming Contest
Preface 好久没有和队友一起打比赛了，然后今天纯战犯，G一个初值设错WA了三发还卡了1h，最后冲D也因为细节原因没调出来 但这场现场的榜只能用惨淡来形容，6题就稳Au了，而且感觉如果最后能出7个题的话甚至能有出线机会？看来还是前面题目区分度太小了 A. Best Player 签到题，按题意模 ......
Transferability of the Chinese Eco-environmental Protection Measure
Most of Saudi Arabia is desert, so it faces serious problems of water shortage and desertification. China has employed technological methods and has t ......
CF1899 D Yarik and Musical Notes 题解
Link CF1899 D Yarik and Musical Notes Question 给出一个序列 \(a\) ，我们定义 \(b_i=2^{a_i}\) 求 \(b_i^{b_j}=b_j^{b_i} (i<j)\) 的个数 Solution 考虑化简式子 \[\begin{aligned ......
Can't locate Devel/Size.pm in @INC (you may need to install the Devel::Size module)
001、perl 模块报错如下：Can't locate Devel/Size.pm in @INC (you may need to install the Devel::Size module) 002、解决方法： 安装该模块 (base) [b20223040323@admin1 003_an ......
T399752 The Maze of the Imperial Sister（御姐的迷宫）题解
Link T399752 The Maze of the Imperial Sister（御姐的迷宫） Question 判断图内是否有环 Solution 先判断连通性，所有点是不是在一个块内，然后用树的性质，点数 \(=\) 边数 \(+1\) 判断 Code #include<bits/std ......
failed to configure a datasource: ‘url‘ attribute is not specified and no em
问题场景 在Spring Boot中整合MySQL、Mybatis进行数据库开发时，按照正常步骤添加了相关数据库的依赖，也进行了必要的数据库配置，结果在项目启动时出现如下异常信息： *************************** APPLICATION FAILED TO START *** ......
《A Survey on Deep Learning-based Fine-grained Object Classification and Semantic Segmentation》阅读笔记
论文标题 《A Survey on Deep Learning-based Fine-grained Object Classification and Semantic Segmentation》 基于深度学习的细粒度对象分类和语义分割的综述 为什么是 “Object” 而不是 “image” 作 ......
Decoupling the Depth and Scope of Graph Neural Networks
目录概符号说明Shadow-GNN代码 Zeng H., Zhang M., Xia Y., Srivastava A., Malevich A., Kannan R., Prasanna V., Jin L. and Chen R. Decoupling the depth and scope o ......