11038 many how uva
Choose and divide uva 10375
求C(i,j)/ C(u,v) 公式化简 筛出所有质数 除法的时候： 因数分解， 求对每个质数的个数的贡献 #include <iostream> #include <cstring> #include <cmath> #include <iomanip> #include <vector> usi ......
uva 12086
树状数组 1. 求区间和 2. 单点赋值 还是单点改，通过维护一个a[ i ]，来求改变值 #include <iostream> #include <cstring> #include <sstream> using namespace std; const int N=2e5+4; int n, ......
Cyborg Genes UVA - 10723
求一个最短序列，使得输入的两个串的均为他的子序列，同时输出方案数。 n+m-LCS 方案数转移时求 #include <iostream> #include <cstring> using namespace std; #define int long long int n,m; char a[10 ......
The Many Ways To Call Axes In Matplotlib
%matplotlib widget from IPython.display import display, HTML import re from pathlib import Path import cv2 import numpy as np import matplotlib.pyplot ......
旅行 Tour uva1347
直角坐标系中，有 nn 个点。要求先从左往右走，再从右往左走，不重复的经过每一个点。 求出最短路径（距离为两点间直线距离）。 f [i ][j ] 表示点 1~max(i,j) 已走过，的路径长度 #include <iostream> #include <algorithm> #include < ......
How to Configure Nginx reverse proxy the domain
未测试过，自己记录待用 http { resolver 8.8.8.8; upstream example { server http://example.com resolve [use_last] ...; keepalive 1024; } 第二种负载均衡 upstream mytarget{ ......
How CloudFront works with regional edge caches
CloudFront points of presence (also known as POPs or edge locations) make sure that popular content can be served quickly to your viewers. CloudFront ......
How CloudFront delivers content to your users without regional edge caches
本文主要讲述Cloudfront的工作流程、如何将用户请求的数据-资源-对象，返回给用户 本文描述的是没有使用 【区域边缘缓存】的情况，目前为止，AWS中国区的cloudfront本来也就没有使用区域边缘 After you configure CloudFront to deliver your ......
UVA847 A Multiplication Game 题解
双方都想取胜，要让对方必败就得让对方，到一个必败的点（也就是自己的必胜点），对方就会必败，而必败的点可以从最后反推回来。 ......
例题3-2 WERTYU（WERTYU, UVa10082）
题目 把手放在键盘上时，稍不注意就会往右错一位。这样，输入Q会变成输入 W，输入J会变成输入K等。键盘如图3-2所示。 输入一个错位后敲出的字符串（所有字母均大写），输出打字员本来想打出 的句子。输入保证合法，即一定是错位之后的字符串。例如输入中不会出现 大写字母A。 样例输入 O S, GOMR ......
例题3-1 TeX中的引号（Tex Quotes, UVa 272）
题目 在TeX中，左双引号是“``”，右双引号是“''”。输入一篇包含双引号的文章， 你的任务是把它转换成TeX的格式。 样例输入 "To be or not to be," quoth the Bard, "that is the question". 样例输出 ``To be or not to ......
How to find the "usbmodem" of Raspberry Pi Pico on macOS All In One
How to find the "usbmodem" of Raspberry Pi Pico on macOS All In One
/dev/tty.usbmodem0000000000001 not exist bug ❌
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How to check the USB devices connected to Linux by using Terminal All In One
How to check the USB devices connected to Linux by using Terminal All In One
Raspberry Pi
macOS
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How to get indices of top-K values from a numpy array
How to get indices of top-K values from a numpy array np.argpartition(probs,-5)[-5:] ......
【THM】How websites work(网站运行基础)-学习
本文相关的TryHackMe实验房间链接：https://tryhackme.com/room/howwebsiteswork 本文相关内容：要对网站进行漏洞利用，你首先需要知道网站是如何被创建的，本文将涉及HTML&JS以及一些Web安全基础问题。 网站是如何运行的？ 本文将介绍如何创建网站，并介 ......
How to 'apt-get install python-opengl' on Ubuntu22.04
ImportError: Error occurred while running `from pyglet.gl import *` HINT: make sure you have OpenGL install. On Ubuntu, you can run 'apt-get install p ......
How can I know an IP is a public IP or not?
How can I know an IP is a public IP or not? To determine whether an IP address is public or private, you can compare it to a list of private IP addres ......
OSError: [Errno 24] Too many open files
现象 在用 jmeter 对 Django 的服务进行压力测试的时候，当并发量上到一定的数量时（我压测的时候用了1000），服务器进程崩了，并报了错： Traceback (most recent call last): File "manage.py", line 21, in File "man ......
How to use --extra-index-url in requirements.txt in python?
[本文出自天外归云的博客园] 以下内容来自chatGPT的回答（正解，已验证） 问题1：how to use --extra-index-url in requirements.txt in python? To use `--extra-index-url` in `requirements.tx ......
How to install parse-server
install mongoldb vim /etc/yum.repos.d/mongodb.repo [mngodb-org] name=MongoDB Repository baseurl=http://mirrors.aliyun.com/mongodb/yum/redhat/7Server/m ......
How to log in when using gin's non-separated front-end and back-end systems
Person: How to log in when using gin's non-separated front-end and back-end systems? ChatGPT: When using Gin as the back-end system and a non-separate ......
how to set static ip using command line for kali linux
How to configure Kali Linux to use a static IP address https://miloserdov.org/?p=542 sudo vim /etc/network/interfaces auto eth0 iface eth0 inet static ......
How can I access GPT-4?
How can I access GPT-4? Written by Joshua J.. Updated over a week ago API Access Most users will need to join our waitlist. We are trying to grant acc ......
[ChatGPT-3.5] How to keep conusming using python rocketmq.client.PushConusmer?
在使用 Python RocketMQ 的 PushConsumer 进行消息消费时，需要进行以下步骤： 创建 PushConsumer from rocketmq.client import PushConsumer, ConsumeStatus consumer = PushConsumer(" ......
how to check variable in memory view in Clion?
To check the value of a variable in Clion's memory view, follow these steps: Run your program in debug mode by clicking the "Debug" button in the tool ......
how to learn C++?
Here are some steps to learn C++: Learn the basics: Start with the basics of C++, including variables, data types, control structures, loops, and func ......
how to become a professional software engineer?
To become a professional software engineer, you can follow these steps: Learn computer science fundamentals: Study computer science fundamentals such ......
How Many Tables HDU - 1213（并查集/连通块数量）
题意：朋友的朋友是朋友 如果A认识B，B认识C，那么ABC三个人就可以坐在同一张桌子上 但如果A认识B，C认识D，那我们就默认AB和CD不认识，需要准备两张桌子 现在我们需要你计算出，我们一共最少需要多少张桌子。 分析：利用并查集或者作为连通块数量问题 #include<iostream> #inc ......
how can I use NSubstitute for stub and mock? any difference about the usage?
how can I use NSubstitute for stub and mock? any difference about the usage? NSubstitute is a popular mocking library for .NET that allows you to crea ......