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「解题报告」CF356E Xenia and String Problem
比较简单的题。 发现方案很少，考虑对每种方案维护出权值。首先容易得出，好串的长度一定是 $2^i - 1$ 形式的，这也告诉我们好串的数量上界是 $O(n \log n)$ 的，那么我们可以对每一个串考虑怎样修改会使得它变成好串。 首先长度为 $1$ 的一定是好串，直接累计上。 我们分几种情况考虑： ......
理解ASP.NET Core - 全球化&本地化&多语言(Globalization and Localization)
> 注：本文隶属于《理解ASP.NET Core》系列文章，请查看置顶博客或[点击此处查看全文目录](https://www.cnblogs.com/xiaoxiaotank/p/15185288.html) # 概述 在众多知名品牌的网站中，比如微软官网、YouTube等，我们经常可以见到“切换页 ......
English Learning Articles 2022-06-11 Your teen wants to get in shape this summer? What to say and when to worry
Your teen wants to get in shape this summer? What to say and when to worry | CNN If your children say they want to start exercising or working out mor ......
【做题记录】ADAUNIQ - Ada and Unique Vegetable
[link](https://www.spoj.com/problems/ADAUNIQ/) 做法：带修莫队 ```cpp #include #include #include #include #include typedef long long LL; typedef unsigned long ......
com.netflix.hystrix.exception.HystrixRuntimeException: xxxFeign#xxxx timed-out and no fallback.....
**问题描述** 在使用Feign进行远程调用时遇到的bug。原因是因为超时了。需要对超时时间进行设置一下即可。 **在Nacos进行设置** --3
## 指数分布和泊松过程(Exponential Distribution and Poisson Process)--3  #### 解决思路 使用后缀和计算到 i 处共有多少对 $s_i = s_{i+1}$，计算时相减以下就可以 ```C++ #include int main() { std::string ......
CF547E Mike and Friends题解
[题目链接](https://www.luogu.com.cn/problem/CF547E) 温馨提示：做本题之前可以先尝试这个：[洛谷 P2414 阿狸的打字机](https://www.luogu.com.cn/problem/P2414)(是简单版的uwu)。 首先，这个题涉及多模式串匹配， ......
Supervised Machine Learning Regression and Classification - Week 1
# 1. 机器学习定义 > Field of study that gives computers the ability to learn without being explicitly programmed. -- Arthur Samuel(1959)  ......
coe_xfr_sql_profile.sql脚本 适用 oracle数据库版本：10.2, 11.1, 11.2, 12.1, 12.2 18c_and 19c
coe_xfr_sql_profile.sql脚本 内容如下： 适用 oracle数据库版本：10.2, 11.1, 11.2, 12.1, 12.2 18c_and 19c 注明：复制粘贴即可。 SPO coe_xfr_sql_profile.log;SET DEF ON TERM OFF ECH ......
12_How to deploy Flask apps on Ubuntu VPS Using gunicorn and Ngnix
地址：https://www.codewithharry.com/blogpost/flask-app-deploy-using-gunicorn-nginx/ How to deploy flask app on Ubuntu VPS using Nginx and gunicorn In thi ......
Backtrader - numpy.core._exceptions.MemoryError: Unable to allocate 77.2 GiB for an array with shape (10368000003,) and data type float64
1.0 Error numpy.core._exceptions.MemoryError: Unable to allocate 77.2 GiB for an array with shape (10368000003,) and data type float64 錯誤提示 2.0 原因 沒有任 ......
CF1559D2 Mocha and Diana (Hard Version) 题解
[Luogu](https://www.luogu.com.cn/problem/CF1559D2) | [Codeforces](https://codeforces.com/problemset/problem/1559/D2) ### 题意 给定两个森林 $A$ 和 $B$，均有编号 $1$ ......
Reward Modelling（RM）and Reinforcement Learning from Human Feedback（RLHF）for Large language models（LLM）技术初探
Reward Modelling（RM）and Reinforcement Learning from Human Feedback（RLHF）for Large language models（LLM）技术初探 ......
How do you display code snippets in MS Word preserving format and syntax highlighting?
How do you display code snippets in MS Word preserving format and syntax highlighting? 回答1 Here is the best way, for me, to add code inside word: Go t ......
Unexpected character '"' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers
1）错误信息 Caused by: javax.xml.ws.WebServiceException: org.apache.cxf.service.factory.ServiceConstructionException: Failed to create service. at org.apac ......
Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
https://tools.ietf.org/html/rfc7231 Table of Contents 1. Introduction ....................................................6 1.1. Conformance and Error ......
[LeetCode] 2352. Equal Row and Column Pairs
Given a 0-indexed n x n integer matrix grid, return the number of pairs (ri, cj) such that row ri and column cj are equal. A row and column pair is co ......
cpp test write content speed to ssd and usual disk respectively 1M,10M,100M rows data,the fact has illustrated the write speed of ssd is 4-5 times faster than usual disk
#include <chrono> #include <ctime> #include <fstream> #include <iomanip> #include <iostream> #include <sstream> #include <thread> #include <uuid/uuid. ......
Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.
这个异常在springboot，是一个常见的异常，我们引入了mybatis依赖，确没有在.yml文件中配置数据源，这次我配置了数据源，但是因为有二个application.yml和application-dev.yml，没有指定yml的环境，在application.yml中添加指定dev即可 ......