average keep high the
引入druid查询数据库时间只要超过10秒会报错Communications link failure，The last packet successfully received from the server was xxx milliseconds ago(已解决)
在写项目时候发现springboot(springcloud)项目使用多数据源引入druid的时候，只要查询数据库时间超过10s就会报错： com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failur ......
GPT-Investigation on the Implementation of Rockchip Product's Audio and Video Codec Function
## 1 Is this function of Rockchip product developed on Linux? Yes, this function of Rockchip product is developed on Linux. According to the datasheet ......
The 2023 Guangdong Provincial Collegiate Programming Contest
# A - 算法竞赛 ```cpp #include using namespace std; #define int long long void solve(){ int st , n , ed; cin >> st >> n; map cnt; for( int i = 1 , x ; i > ......
Could not find the DLL(s) 'msvcp140_1.dll'. TensorFlow requires that these DLLs be installed
python -c "from transformers import pipeline; print(pipeline('sentiment-analysis')('we love you'))"Microsoft Visual C++ Redistributable is not install ......
docker evel=error msg="error reading the kernel parameter net.ipv4.vs.expire_nodest_conn" error="open /proc/sys/net/ipv4/vs/expire_nodest_conn: no such file or directory"
我使用的是docker swarm -#报错 evel=error msg="error reading the kernel parameter net.ipv4.vs.expire_nodest_conn" error="open /proc/sys/net/ipv4/vs/expire_nod ......
POJ1714 - The Cave
首先，我们需要读懂这个图是什么图。 第一，忽略外面的环，由“任意两点可到达且路径唯一”的条件可知这是一棵树。 第二，因为每个点的度数是三，所以如果只考虑中间的树，除了 $k$ 以内的点都是叶子，其他的点度数都是三。 考虑什么样的树有很多点度数是三：完全二叉树。但是这个和完全二叉树还有个不同，就是完全 ......
How to use the shell command to get the version of Linux Distributions All In One
How to use the shell command to get the version of Linux Distributions All In One
如何使用 shell 命令获取 Linux 发行版的版本
hostnamectl
cat /etc/os-release
lsb_rel... ......
2023ICLR_Embedding fourier for ultra-high-definition Low-light image enhancement
1. # narrow切片 x1, x2 = (x.narrow(1, 0, self.split_len1), x.narrow(1, self.split_len1, self.split_len2)) 假设输入的张量是x，那么这句代码的作用是将x在第1维（即行数）上分别切割为两个长度分别为se ......
【Oracle】Clean all objects belong to particular the user but not using drop user xxx cascade
# -- WX:DBAJOE399 -- DEST_SCHEMA=Expected_user_name sqlplus / as sysdba << !EOF set serveroutput on set echo off set feedback off WHENEVER SQLERROR EX ......
nacos服务下线操作时报错：The Raft Group [naming_instance_metadata] did not find the Leader node;caused: The Raft Group [naming_instance_metadata] did not find the Leader node;
【问题描述】 caused: errCode: 500, errMsg: do metadata operation failed ;caused: com.alibaba.nacos.consistency.exception.ConsistencyException: The Raft Grou ......
SpringSecurity集成启动报 In the composition of all global method configuration, no annotation support was actually activated 异常
## 一.异常内容 ```java Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodSecurityMetadataSource' def ......
The Importance of Particle Size Analysis in Preformulation Studies
Preformulation research is a vital link in drug development, directly affecting the subsequent development process and final application of drugs. ......
【Oracle】Resize your Oracle datafiles down to the minimum without ORA-03297
--In non-multitenant DB set linesize 1000 pagesize 0 feedback off trimspool on with hwm as ( -- get highest block id from each datafiles ( from x$ktfb ......
An attempt has been made to start a new process before the current process has finished its bootstrapping phase.
Traceback (most recent call last): File "<string>", line 1, in <module> File "E:\Eprogramfiles\Anaconda3\lib\multiprocessing\spawn.py", line 116, in s ......
【Oracle】Check the tbs' usage
set feedback off set pagesize 70; set linesize 2000 set head on COLUMN Tablespace format a25 heading 'Tablespace Name' COLUMN autoextensible format a1 ......
推断题（D - The BOSS Can Count Pairs）
D - The BOSS Can Count Pairs #include<bits/stdc++.h> using namespace std; typedef long long ll; #define endl "\n" //数学题关注边界条件和推断其他的值枚举算答案 //nlogn做法 // ......
linux - 报错 Another app is currently holding the yum lock; waiting for it to exit... -解决
报错截图 执行指令 rm -f /var/run/yum.pid 然后再执行需要的指令即可 ......
52.同源策略（Same-Origin Policy）限制了跨域请求No 'Access-Control-Allow-Origin' header is present on the requested resource.
又遇到如下报错了，该如何处理， Access to XMLHttpRequest at 'http://localhost:3000/users' from origin 'http://localhost:5173' has been blocked by CORS policy: No 'Acc ......
循环依赖导致编译或者服务启动报错问题：The dependencies of some of the beans in the application context form a cycle
错误如图: 我的是服务器启动服务时报错： ***************************APPLICATION FAILED TO START*************************** Description: The dependencies of some of the be ......
Burp Suite Error The client failed to negotiate a TLS connection to chrome.google.com: 443: Received fatal alert: certificate_unknown
Burp Suite Error The client failed to negotiate a TLS connection to chrome.google.com: 443: Received fatal alert: certificate_unknown http://burpsuite ......
Uncovering the Representation of Spiking Neural Networks Trained with Surrogate Gradient
郑重声明：原文参见标题，如有侵权，请联系作者，将会撤销发布！ Published in Transactions on Machine Learning Research (04/2023) ......
动态路由 出现 for supported dynamic import formats. If this is intended to be left as-is, you can use the /* @vite-ignore */ comment inside the import() call to suppress this warning.
for supported dynamic import formats. If this is intended to be left as-is, you can use the /* @vite-ignore */ comment inside the import() call to sup ......
How to boot the Raspberry Pi system from a USB Mass Storage Device All In One
How to boot the Raspberry Pi system from a USB Mass Storage Device All In One
如何从 USB 启动树莓派引导系统 / 如何从 USB 大容量存储设备启动 Raspberry Pi 系统 ......
MHA（MySQL High Availability）高可用性工具补数据功能
[TOC] # 背景 在介绍 MHA 补数据功能之前先介绍一些关于MHA的基础知识。 MHA（MySQL High Availability）是一个用于实现MySQL数据库高可用性（High Availability）的工具集。 它可以在主从复制架构中实现故障切换和主库切换，以确保数据库服务的稳定运 ......
时代的眼泪：CF1562A The Miracle and the Sleeper 题解 2021-09-23 23:00:33
# CF1562A The Miracle and the Sleeper 题解 笑死， 晚上熬夜打CF比赛只过了A题还加了CF值 ！？ 由于本人太弱，这道橙题都干了**1h** ## 题目描述 有 $T$ 组数据， 给出一个区间$[l,r]$,在这个区间中选择2个数`a,b`，使它们`a % b` ......
[ICDE 2023] Minimizing the Influence of Misinformation via Vertex Blocking
# Minimizing the Influence of Misinformation via Vertex Blocking ## Motivation and Application 其实就是经典的Rumor Blocking问题，即通过一系列的操作使得rumor在社交网络中的影响力最小。主流 ......
Complete the Sequence
#include <iostream> using namespace std; const int N = 110; int a[N][N]; int main() { int t; scanf("%d", &t); int s, c; while(t -- )//t次测试用例 { scanf(" ......
2023年国际大学生程序设计竞赛（ACM-ICPC）新疆赛区 A.The Number Of Black Edges
[传送门](https://ac.nowcoder.com/acm/contest/57840/A) 大致题意： ** 爱丽丝得到一棵树，树上有n个节点，索引从1到n。树上的每条边可以是黑色或白色，所有的边最初都是白色的。有三种操作： 1. 将一条边的颜色改为黑色。2. 将一条边的颜色改为白色。3. ......
org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 16 in the jsp file: /monday-01.jsp
``` org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 16 in the jsp file: /monday-01.jsp System.out canno ......
Codeforces 1444E - Finding the Vertex
非常神秘的一道题，当之无愧的 *3500。 首先考虑转化题意。考虑一种决策树，由于我们每次问一条边之后，相当于会根据信息删掉两个连通块中的一个，因此一种决策树实际上对应了原树的一棵边分树。而为了让最坏情况下的询问次数最少，我们目标实际上是最小化边分树的深度。 考虑借鉴 [P5912 JAS](htt ......