monocarp and set the
CodeCraft-21 and Codeforces Round 711 (Div. 2)
CodeCraft-21 and Codeforces Round 711 (Div. 2) A. GCD Sum 题意 定义 \(gcdSum(x)=gcd(x,sum\ of\ digits\ of\ x)\)。 请你输出最小的 \(x\) 满足 \(x\ge n\)，且 \(gcdSum(x) ......
Planting Trees and Glasses--- Holding Back Soil Erosion
Planting trees and glasses 植树种草 Ganzhou, a typical red soil hilly area in Jiangxi province, is a pilot area for high-quality development of soil and w ......
Improving The Fetch XML Performance using Latematerialize -如何使用Latematerialize提高Fetch XML 查询性能
假设要从包含 100,000 条记录、100 多列的表中提取 500 个，根据过滤条件，需要几分钟才能获取记录。 原因是应用程序传统上 fetchxml 首先获取所有 100,000 条记录和数百列。然后它根据查询执行过滤器以获取记录。 为了克服这一挑战，如果我们一个查询，首先提取所需 500 条记 ......
Introducing the core concepts of Kafka
Introduction I have learnt the kafka since 5 years, I believe I learnd somthing, It is on time for improving english. So I decided to pick up my blogs ......
The 2021 ICPC Asia Macau Regional Contest
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Set&List&Map
Map 概述 An object that maps keys to values. A map cannot contain duplicate keys; each key can map to at most one value. Map将key映射到value； Map的key不能重复，每个 ......
Memo Pack and LeetCode 3
Memo Pack Source code: git.suckless.org/sbase I don't know if it's the standard implementation for Linux bash command, but it's a good material. An ex ......
Drawdown——A New Way of Thinking About and Acting on Global Warming
Definition of drawdown: Drawdown is that point in time when atmospheric concentrations of greenhouse gases begin to decline on a year-to-year basis. M ......
Cisco Packet Tracer and Wireshark
协议时序图 一、客户端：58592；服务器：443 1、Src: 172.29.70.74, Dst: 14.119.104.189 客户端生成公、私钥，将公钥放在key_share中发送给服务端。 标识符：Identification: 0x6a2a (27178) Transmission Co ......
The art of shellcode
目录1-如何编写shellcode1-1 纯手搓1-1-1 纯汇编1-1-2 内联汇编1-1-3 使用tiny_libc1-2 借助工具1-2-1 pwntools的shellcraft1-2-2 alpha31-2-3 AE641-2-4 shellcode encoder1-2-5 msf生成1 ......
Codeforces Round 428 (Div. 2) B. Game of the Rows
题目链接 题面翻译 现在有 \(K\) 个队，飞机有 \(N\) 排座位，每排能坐 \(8\) 个人，不同队伍的人不能坐相邻的位置。 相邻情况有 \(5\) 种 \((1, 2), (3, 4), (4, 5), (5, 6), (7, 8)\)。请问这 \(n\) 排座位是否够坐。 （\(K\) ......
idea提示错误，无效VSC根目录。目录 C:\Users\17482\Desktop\Supermarket-Purchase-Sales-and-Storage-Management-System-master 被注册为 Git 根，但在那里没有发现 Git 仓库。怎么解决？
这个错误信息表明 IntelliJ IDEA 将目录 C:\Users\17482\Desktop\Supermarket-Purchase-Sales-and-Storage-Management-System-master 注册为 Git 根目录，但它没有找到 Git 仓库，因此 IDEA 无法 ......
CF1381D The Majestic Brown Tree Snake
原题链接 膜拜 APJ 大神。 某人说这个题让他联想到“詹天佑”了。 考虑将图画成——给定链在最上方，不在给出链上的点都相当于挂在这条链上某个点上的树。 有两种情况：一种情况是进入一颗树，在其中完成调头，然后原路返回；还有一种情况是进入一颗树，然后出去的时候走向进来的反方向，然后再倒着回去。 第一种 ......
Ways China’s Cities Can Drive Equitable and Sustainable Urbanization
The five-year plan represents an opportunity not just to advance climate goals, but to create better cities as urbanization continues. Here are five w ......
Set---HashSet-LinkedHashSet
概述 Hash table and linked list implementation of the <tt>Set</tt> interface, with predictable iteration order. This implementation differs from <tt>Has ......
set/map作业解析
目录P761 【入门】明明的随机数P760 [NOIP2007 提高组] 统计数字P2814 数对P495 【入门】宇宙总统1P496 【入门】宇宙总统2P2843 宇宙总统3P2810 相邻字符对 P761 【入门】明明的随机数 对于一组数据完成完成"去重"与"排序"的工作。 分析 方法1：可以直 ......
npm WARN exec The following package was not found and will be installed: create-remix@2.2.0
报错 执行 npx create-remix@latest --template ryanflorence/remix-tutorial-template 提示如下： npm WARN exec The following package was not found and will be inst ......
The Prevention of Water Contamination
The prevention and control of water contamination should adhere to the principles of giving priority to prevention, protection, combination of prevent ......
How To Solve The Problem Of Air Pollution
How To Solve The Problem Of Air PollutionThe report "China's Carbon Neutrality and Clean Air Synergy Pathway (2023)" was published in Beijing on Novem ......
【Azure Durable Function】PowerShell Activity 函数遇见 Newtonsoft.Json.JsonReaderException: The reader's MaxDepth of 64 has been exceeded.
问题描述 创建PowerShell Azure Durable Function，执行大量的PowerShell脚本操作Azure Resource，遇见了一个非常非常奇怪的问题： Function 'Hello1 (Activity)' failed with an error. Reason: ......
The following perl modules required by RepeatModeler are missing from your system. Please install these first: JSON; JSON::PP; File::Which
001、问题 RepeatModeler 编译安装报错如下： 002、尝试逐个安装确实的perl模块； 也是各种问题； 最后不想折腾， 就大力出奇迹，全安装， 可一次解决所有报错； (base) [root@pc1 RepeatModeler-2.0.2a]# yum -y install perl ......
Set---SortedSet-NavigableSet-TreeSet
SortedSet 概述 A {@link Set} that further provides a <i>total ordering</i> on its elements.The elements are ordered using their {@linkplain Comparable n ......
软件测试|MySQL BETWEEN AND：范围查询详解
简介 在MySQL数据库中，使用BETWEEN AND操作符可以进行范围查询，即根据某个字段的值在指定范围内进行检索数据。这个操作符非常有用，因为它可以让我们轻松地筛选出位于两个特定值之间的数据，而不需要使用复杂的条件语句。 BETWEEN AND操作符的语法 BETWEEN AND操作符的基本语法 ......
The solution of P5339
problem 容斥好题，结果题解里面一堆 \(\text{NTT}\)。 如果我们去掉有多少个人喜欢什么东西的条件，那么这个题就直接枚举有 \(i\) 组同学会一起讨论蔡徐坤。这一个问题十分容易。 使用容斥原理来做，然后容斥的系数是 \((-1)^i\) 想必这个东西对于大家来说是十分简单的。 如 ......
CF351B Jeff and Furik 题解
summarization 有一个长为 \(n\) 的排列 \(p\), 现有甲乙两人轮流执行操作，甲是先手： 甲每次可以交换 \(p\) 中相邻的两个数 \(p_i,p_{i+1}\) 乙每次等概率执行下面两种操作的一种： 选择一对 \(p_i,p_{i+1}\)，且 \(p_i\le p_{i+ ......
[CF1588F] Jumping Through the Array
不妨认为 \(n,q\) 同阶。 考虑根号重构。如果没有第 3 种操作的话，我们每 \(\mathcal O(\sqrt n)\) 操作整体更新一次，每个询问只需要考虑块内的修改所在置换环上有多少 \([l,r]\) 内的数。这个是容易 \(\mathcal O(n\sqrt n)\) 做的。 然后 ......
“Job for network.service failed because the control process exite”问题
[root@node3 ~]# service network restart Restarting network (via systemctl): Job for network.service failed because the control process exited with err ......
[Javascript] Prevent JavaScript Object Tampering with the SES Library harden Function
https://www.npmjs.com/package/ses Lockdown The lockdown() function also tames some objects including regular expressions, locale methods, and errors. ......
[LeetCode] 2609. Find the Longest Balanced Substring of a Binary String
You are given a binary string s consisting only of zeroes and ones. A substring of s is considered balanced if all zeroes are before ones and the numb ......