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[Codeforces] CF1475C Ball in Berland 题解
Ball in Berland - 洛谷 题意 在毕业典礼上，有个男孩和个女孩准备跳舞，不是所有的男孩和女孩都准备结伴跳舞。 现在你知道个可能的舞伴，你需要选择其中的两对，以便使没有人重复地出现在舞伴里，求可能的数量。 思路 暴力 最朴素，也是简单的方法，就是通过暴力组合进行配对。 #incl ......
Linux系统奇安信浏览器报错跨域：the resource is in more-private address space 'local'
报错： Access to XMLHttpRequest at "123" from origin "456" has been blocked by CORS policy:the request client is not a secure context and the resource is ......
for循环、for in循环和forEach循环
当然，以下是for循环、for in循环和forEach循环在JavaScript中的基本用法示例： for循环： javascript // 打印数字0到4 for (let i = 0; i <= 4; i++) { console.log(i); } 在上述示例中，我们使用for循环从0开始， ......
[951] Understanding the pattern of "(.*?)" in Python's re package
In Python's regular expressions, (.*?) is a capturing group with a non-greedy quantifier. Let's break down the components: ( and ): Parentheses are us ......
Maybatis-Plus 数据库查询 lambdaQuery和mapper中EQ、NE、GT、LT、GE、LE、select、like、in、leftjoin的用法及详解
Maybatis-Plus lambdaQuery和mapper中EQ、NE、GT、LT、GE、LE的用法及详解 实体 当前实体如下，后续代码示例都用该实体； @Data @TableName("user_info") @ApiModel(value = "UserInfo对象", descript ......
Chinese Wisdom on Sewage Treatment in India
China program Comprehensively control pollutant emissions (1) Pay close attention to the prevention and control of industrial pollution. Ban the "ten ......
字典中x in dict 和 x in dict.keys()速度不同，前者最快
class Solution(object): def findMaxLength(self, nums): """ :type nums: List[int] :rtype: int """ # 长度2-》1 # 长度3-》0 # 长度4-》2 # 长度5-》0 # 长度6-》3 # 1 2 3 ......
jmeter beanshell常见问题:"BeanShellInterpreter: Error invoking bsh method: eval In file: inline evaluation of....
jmeter使用beanshell文件经常会遇到这个问题:BeanShellInterpreter: Error invoking bsh method: eval In file: inline evaluation of.... 原因可能有： 1.jar包没有放入对应位置 解决：放到lib/ex ......
Explore change feed in Azure Cosmos DB
Explore change feed in Azure Cosmos DB Reading change feed with a push model There are two ways you can read from the change feed with a push model: A ......
Troubleshooting ‘Externally Managed Environment’ Error in Debian 12 Pip3 Installation
https://medium.com/@kiena/troubleshooting-externally-managed-environment-error-in-debian-12-pip3-installation-439d62e5a970 When working with Python on ......
[947] Batch rename columns in a Pandas DataFrame
To batch rename columns in a Pandas DataFrame, we can use the rename method. Here is an example: import pandas as pd # Sample DataFrame data = {"ID": ......
Applying sewage charging system to deal with water pollution problem in Russia.
What is the sewage charging system? Although manufacturing has always been a key driving force for China's economic growth, it is also the root cause ......
ISSCC2024 Computing-In-Memory Session 趋势整理
ISSCC2024 Computing-In-Memory Session 趋势整理 今天上午ISSCC2024远东区推介会，主要关注了一下Computing-In-Memory Session。CIM今年被放在了Session 34，会上主持人透露CIM方向一共投稿了50篇，最后录用了9篇，算下来 ......
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 ......
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 ......
[945] Replacing a string in all cells of a Pandas DataFrame
To replace a string in all cells of a Pandas DataFrame, we can use the str.replace() method, which allows us to perform string replacements on each el ......
[944] Extracting tables from a PDF in Python
To extract tables from a PDF in Python, we can use several libraries. One popular choice is the tabula-py library, which is a Python wrapper for Apach ......
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 ......
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 ......
(段设期中复习) Great Ideas in Algorithm Analysis: Midterm Review
Distance Algorithms Basic sampling lemma: Let \(S_1,\dots,S_n \subset [n]\) be sets of size at least \(D\), then randomly choose \(c (n/D) \log n\) el ......
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 ......
Performance Improvements in .NET 8 -- Exceptions & Reflection & Primitives【翻译】
Exceptions 在 .NET 6 中，ArgumentNullException 增加了一个 ThrowIfNull 方法，我们开始尝试提供“抛出助手”。该方法的目的是简洁地表达正在验证的约束，让系统在未满足约束时抛出一致的异常，同时也优化了成功和99.999%的情况，无需抛出异常。该方法的结 ......
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 ......
Exploring Recursion in Convex Optimization
Recursion in optimization In this blog post, I aim to provide a overview of the various recursive methods I have seen in convex optimization. Optimiza ......
class lombok.javac.apt.LombokProcessor (in unnamed module @0x4587f0f9)
class lombok.javac.apt.LombokProcessor (in unnamed module @0x4587f0f9) cannot access class com.sun.tools.javac.processing.JavacProcessingEnvironment ( ......
T399742 Ting'er loves traveling 题解
Link T399742 Ting'er loves traveling Question 给出一个图，使得 \(1\) 到 \(N\) 的路径上的最大值最小 Solution 看到最大值最小想到二分，二分最大值 \(top\) 然后去 check 验证能不能从 \(1\) 走到 \(N\) Cod ......