welcome tokyo to
idea启动总是报错Error running 'Tomcat 9.0.6': Unable to open debugger port (127.0.0.1:57757): java.net.SocketException "socket closed"，但是我57757端口实际上并没有被使用
问题：当遇到idea启动报错"Error running 'Tomcat 9..6': Unable to open debugger port (127.0.0.1:57757): java.net.SocketException "socket closed""时，很多人可能会尝试改变debug ......
Codeforces 856F - To Play or not to Play
首先，DP 肯定是逃不掉的，因为直接贪心其实不好判断在两个人都可以上线的时间段究竟是哪个人上线，需要通过后面的情况来做出判断，但是这题值域比较大直接维护 DP 值肯定不行，因此考虑先设计一个与值域有关的 DP 然后优化。 将时间区间离散化，然后依次考虑每个时间区间。一个很自然的想法是设 $dp_{i ......
linux(麒麟)报错：Unable to open serial port /dev/ttyUSB0
1、添回权限 sudo chmod 777 /dev/ttyUSB0 红色部门改成对应的设备 ......
SheetJS/js-xlsx修改表头json_to_sheet修改表头
[SheetJS/js-xlsx修改表头json_to_sheet修改表头_Aqvdrt的博客-CSDN博客](https://blog.csdn.net/qq_37027371/article/details/106022855) 看官方文档看到的，记录一下，帮大家踩坑。 //待展示的数据，可能是 ......
Your project does not reference ".NETFramework,Version=xxx" framework. Add a reference to ".NETFramework,..." property of your project file and then re-run NuGet restore.
错误：Your project does not reference ".NETFramework,Version=v4.6.1" framework. Add a reference to ".NETFramework,Version=v4.6.1" in the "TargetFramework ......
To hxq
## 引入 ???+ note "入门例题" 假设班里有 $10$ 个学生喜欢数学，$15$ 个学生喜欢语文，$21$ 个学生喜欢编程，班里至少喜欢一门学科的有多少个学生呢？ 是 $10+15+21=46$ 个吗？不是的，因为有些学生可能同时喜欢数学和语文，或者语文和编程，甚至还有可能三者都喜欢。 ......
Visual Studio IDE 2022 - how to disable navigation to decompiled sources
Visual Studio IDE 2022 - how to disable navigation to decompiled sources ......
[LeetCode] 2323. Find Minimum Time to Finish All Jobs II
You are given two 0-indexed integer arrays jobs and workers of equal length, where jobs[i] is the amount of time needed to complete the ith job, and w ......
[LeetCode] 2340. Minimum Adjacent Swaps to Make a Valid Array
You are given a 0-indexed integer array nums. Swaps of adjacent elements are able to be performed on nums. A valid array meets the following condition ......
[LeetCode] 2422. Merge Operations to Turn Array Into a Palindrome
You are given an array nums consisting of positive integers. You can perform the following operation on the array any number of times: Choose any two ......
[CSS] Using `inset` to replace `top, right, bottom, left`
When working with positioned elements, you often write code like this: .some-element { position: absolute; top: 0; left: 0; right: 0; bottom: 0; } Thi ......
[CSS] Truncate long text to a number of lines
p.intro { width: 300px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; /* Truncate when no. of lines exceed 3 */ overflow: ......
[LeetCode] 2486. Append Characters to String to Make Subsequence
You are given two strings s and t consisting of only lowercase English letters. Return the minimum number of characters that need to be appended to th ......
Linux系统Apache报错httpd: Could not reliably determine the server's fully qualified domain name, using localhost.localdomain. Set the 'ServerName' directive globally to suppress this message
解决办法： 在配置文件中加一句ServerName localhost:端口号 # echo "ServerName localhost:8068" >> /etc/httpd/conf/httpd.conf 重启Apache即可解决。 ......
QSqlDatabasePrivate::removeDatabase: connection ‘myConnection’ is still in use, all queries will cease to work
1. 解决QSqlDatabasePrivate::removeDatabase: connection ‘myConnection’ is still in use, all queries will cease to work的问题该问题主要是因为没有关闭之前的数据库连接，然后又需要创建新的数据 ......
利用Pollard rho进行哈希碰撞(Polladr rho method to fing collision)
**项目实现：**implement the Rho method of reduced SM3 **实验内容：**该实验设计f函数为$f: H(x)$,即$W_i = H(W_{i - 1})$(除第一次输入信息$m$外，f函数输入输出均为256bit) Polladr rho method to ......
更新旧版本的 Deno 报错解决 error: You do not have write permission to /opt/homebrew/bin/deno
# 更新旧版本的 Deno 报错解决 error: You do not have write permission to /opt/homebrew/bin/deno 参考1：https://www.denojs.cn/manual/getting_started/installation 参考1 ......
CS5466 Type-c to HDMI2.1_8K拓展坞方案芯片|低成本替代GSV6201方案
GSV6201是一款高性能、低功耗、高性能的，USB Type-C备用模式显示端口1.4至HDMI 2.1转换器。通过集成增强型微控制器，GSV6201创造了一个经济高效的解决方案提供了上市时间优势。显示端口接收机支持高达32.4Gbps（HBR3，4通道）和HDMI发射机支持高达48Gbps（FR ......
LeetCode 1011. Capacity To Ship Packages Within D Days 二分答案
A conveyor belt has packages that must be shipped from one port to another within `days` days. The ith package on the conveyor belt has a weight of $w ......
阿里云centos Can't connect to MySQL server on ':3306' (61)
Can't connect to MySQL server on ':3306' (61) /etc/mysql/my.cnf 修改bind-address也不行mysql给root远程授权也不行阿里云安全组也添加了3306最后发现是防火墙问题解决办法 firewall-cmd --zone=pub ......
[LeetCode] 2222. Number of Ways to Select Buildings
You are given a 0-indexed binary string s which represents the types of buildings along a street where: s[i] = '0' denotes that the ith building is an ......
[未解决] vue transform-blocks解析源代码报错：Illegal tag name. Use '<' to print '<'.
报错内容： [vite] Internal server error: Illegal tag name. Use '<' to print '`标签后报错，但其他vue文件可以正常读取和展示。 报错的文件，去掉``标签就可以正常加载。报错的方法是vue-compiler的`baseParse()` ......
connect() failed (113: No route to host) while connecting to upstream
转载请注明出处： 用docker 搭建的服务，今天重启了一个容器之后，请求这个服务的接口都变成了 502， 但通过docker 查看日志，发现没有异常，端口也都是正常，在nginx的日志中看到了这段错误信息 在nginx 的日志中看到：connect() failed (113: No route ......
1851. Minimum Interval to Include Each Query (Hard)
Description 1851. Minimum Interval to Include Each Query (Hard) You are given a 2D integer array intervals, where intervals[i] = [lefti, righti] descr ......
使用node开发脚手架报错：Error [ERR_REQUIRE_ESM]: Must use import to load ES Module
在使用 node 开发脚手架的时候，每次执行命令都会报错 ：Error [ERR_REQUIRE_ESM]: Must use import to load ES Module 经过排查发现，原因为 chalk 包为 5 版本以上导致的。 const chalk = require('chalk') ......
加速github访问、git使用及其原理、错误error: remote origin already exists，error: src refspec master does not match any，fatal: unable to access 'https://github.com/xxx.git'（你的仓库地址）
访问Github Github：https://github.com 修改hosts 1.在C:\Windows\System32\drivers\etc找到hosts 2.将hosts文件复制到其他位置（D盘等等），再复制一份备份 3.将 #github 20.205.243.166 github ......
These are the list of external providers available to the application.
These are the list of external providers available to the application. https://github.com/davidfowl/TodoApi/blob/c209f6ae5c5f31f4808b0df85f358d4a572ea ......
红帽报错：This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
原因：Red Hat Subscription Manager订阅管理器未订阅注册 解决：禁用 配置文件: /etc/yum/pluginconf.d/subscription-manager.conf # vim /etc/yum/pluginconf.d/subscription-manager ......
【LangChain】How to create a custom Memory class 如何自定义一个记忆类
# How to create a custom Memory class 如何自定义一个记忆类 本文主要自定义了一个在LangChain中使用的Memory类 原文：[How to create a custom Memory class](https://python.langchain.com ......
[论文笔记] Line-CNN: End-to-End Traffic Line Detection With Line Proposal Unit
作者受Faster-RCNN启发, 提出Line-CNN, 提出了一种新颖的车道线Anchor的表示方法,解决了车道线检测中表征的难点, 实现了端到端的车道线检测 ......