balance 1503a bits the

升级EF7连接SQL server出错SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - 证书链是由不受信任的颁发机构颁发的。)

今天把项目里的Microsoft.EntityFrameworkCore.SqlServer和Microsoft.EntityFrameworkCore.Tools从6.0.6升级到了最新的7.0.9。一运行程序出错了。 ![img](https://img2023.cnblogs.com/blog ......

Linux系统Apache添加监听端口后无法启动服务并报错:Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xeu httpd.service" for details.

导言:这是SE Linux安全机制导致的。 解决方法: 1.查看当前httpd端口 # semanage port -l|grep http 2.将对应端口加入SE Linux,以8068为例 # semanage port -a -t http_port_t -p tcp 8068 3.再次查看 ......
service quot httpd 端口 journalctl

LOADING Redis is loading the dataset in memory

MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. P ......
LOADING dataset loading memory Redis

[LeetCode] 2597. The Number of Beautiful Subsets

You are given an array nums of positive integers and a positive integer k. A subset of nums is beautiful if it does not contain two integers with an a ......
Beautiful LeetCode Subsets Number 2597

invalidate the cache in Spark by running 'REFRESH TABLE tableName' command in SQL or by recreating the Dataset/DataFrame involved

``` ... 1 more Caused by: java.io.FileNotFoundException: File does not exist: hdfs://ns1/user/hive/warehouse/dw.db/dw_uniswapv3_position_detail/pk_day ......

The file extension is not supported by Shapefile data provider.

后端返回:文件上传失败:The file extension is not supported by Shapefile data provider. 表明此时上传/处理的文件不符合标准。 ......
Shapefile extension supported provider file

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 ......
application the available providers external

解决 Https 站点请求 Http 接口服务后报 the content must be served over HTTPS 错误的问题

之前将自己所有的 `Http` 站点全部更新为 `Https` 站点,但是在请求后台接口服务的时候还是 `Http` 请求,导致部署之后,直接在控制台报 `This request has been blocked; the content must be served over HTTPS;` 的... ......
接口 错误 content 站点 served

题解 CF840C On the Bench

这是一篇简洁易懂的良心题解,提供了多种做法。 对于两个数 $x,y$,定义 $x=n^2 \cdot tx,y=m^2 \cdot ty$。如果 $x\cdot y$ 为平方数,则说明 $tx=ty$。所以我们可以将每个数除去其平方因子,比较相邻两数是否相等即可。 ## F1: 定义 $f_{i,j ......
题解 Bench 840C 840 the

题解 The Human Equation

[The Human Equation](https://www.luogu.com.cn/problem/CF1775E) 思维题。 我们考虑每次 $a$ 数组加一减一对于其前缀和 $sum$ 的影响。 可以发现,假设相邻两次加一和减一的位置分别为 $l$ 和 $r$,那么 $sum$ 在 $[l ......
题解 Equation Human The

题解 P5426 [USACO19OPEN]Balancing Inversions G

来一篇简单易懂的良心题解。 ![](https://cdn.luogu.com.cn/upload/image_hosting/h4jxll0b.png) 由于数值不是 $0$ 就是 $1$,我们可以考虑将逆序对的统计方式化简。 以左区间为例,设 $x$ 为 $1$ 的个数,$p_i$ 为第 $i$ ......
题解 Inversions Balancing P5426 USACO

python包报错ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'OpenSSL 1.0.2k-fips 26 Jan 2017'

报错:ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the ‘ssl’ module is compiled with OpenSSL 1.1.0h 27 Mar 2018. 解决办法:Terminal窗口执行:p ......
OpenSSL 39 ImportError currently compiled

You don't have write permissions for the /System/Library/Frameworks/Ruby.framework/Versions/x.x/usr/lib/ruby/gems/x.x.x directory.

Gem Error ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions for the /System/Library/Frameworks/Ruby.framework ......

解决报错Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven

## 故障描述: 使用idea下载java某个源文件,idea报错:Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven ![](https://img2023.c ......
the Maven persists connect process

visual studio在运行ashx文件时 出现 Failed to load resource: the server responded with a status of 500 (Internal Server Error)

报错详细信息如下 “/”应用程序中的服务器错误。 分析器错误 说明: 在分析向此请求提供服务所需资源时出错。请检查下列特定分析错误详细信息并适当地修改源文件。分析器错误消息: 未能创建类型“WebApp.FileUploadHandler”。源错误: 行 1: <%@ WebHandler Lang ......
responded Internal resource 文件 visual

服务器/虚拟机 关机或重启之后报:Entering emergency mode. Exit the shell to continue.

## 具体现象 ![](https://img2023.cnblogs.com/blog/1138462/202307/1138462-20230715122734672-1948661564.jpg) 多次重启之后还是不行,提示让进入紧急模式或退出 ## 排查原因 根据提示输入journalctl ......
emergency Entering continue 服务器 shell

【图论】CF1508C Complete the MST

[Problem Link](https://codeforces.com/contest/1508/problem/C) 有一张 $n$ 个点的完全图,其中 $m$ 条边已经标有边权。你需要给剩下的边都标上权值,使得所有边权的异或和为 $0$,并且整张图的最小生成树边权和最小。 $n,m\le 1 ......
Complete 1508C 1508 the MST

ISP——AWB(Auto White Balance)

![](https://img2023.cnblogs.com/blog/3226428/202307/3226428-20230714131854513-1789378713.png) ## 几个概念 人眼具有颜色恒常性,可以避免光源变化带来的颜色变化,但是图像传感器不具备这种特性,从而造成色偏, ......
Balance White Auto ISP AWB

CF1175F The Number of Subpermutations 对自己的警告--zhengjun

太久没见过启发式合并了,然后没想出做法。 首先笛卡尔树建出来。 然后直接枚举跨过 $mid$ 的长度为 $a_{mid}$ 的区间,RMQ $O(1)$ 验证即可。 发现这样的区间个数不超过左右区间大小的较小值,时间复杂度:$O(n\log n)$。 ### 代码 ```cpp #include u ......
Subpermutations zhengjun Number 1175F 1175

excel 导出 The maximum length of cell contents (text) is 32767 characters

**导出excel功能,报错。错误日志提示::The maximum length of cell contents (text) is 32767 characters** ![](https://img2023.cnblogs.com/blog/2197916/202307/2197916-20 ......
characters contents maximum length excel

bit、Byte、Kbps等单位换算

位(bit) 来自英文bit,音译为“比特”,表示二进制位。 Bit(比特)是计算机中最小的数据单位,它只有0和1两种状态。在计算机领域,数据传输和存储都是以比特为基本单位进行的。因此,比特的换算关系非常重要。 ......
单位 Byte Kbps bit

【题解】CF gym 104337 G. Guess the Polynomial

statement:https://codeforces.com/gym/104337/problem/G 。 即求 $f(x)=\sum\limits_{i=0}^{p-2}a_ix^i$,其中只有不超过 $n$ 个 $a_i$ 非 $0$ 。 记: $$ \begin{aligned} A_{n ......
题解 Polynomial 104337 Guess gym

The 2019 ICPC China Shaanxi Provincial Programming Contest(2019陕西省赛)

## B. Grid with Arrows 并查集一下。 ```cpp #include "bits/stdc++.h" using namespace std; using i64 = long long; struct UnionFind { int n; vector f; UnionFin ......
2019 Programming Provincial Contest Shaanxi

The information of Seminars Language

‘The seminar is a common way ofteaching students on university courses in the UK and it is very likely that you will experience seminars on your cours ......
information Seminars Language The of

解决docker报错Job for docker.service failed because start of the service was attempted too often

转载自:https://blog.csdn.net/Along_168163/article/details/124118833 docker安装之后重新安装报错如下: Job for docker.service failed because start of the service was at ......
service docker attempted because failed

The University of Queensland

The University of Queensland The University of Queensland 是一所位于澳大利亚昆士兰州布里斯班的公立研究型大学,成立于1909年,是澳大利亚八大名校之一。这所大学有 MBA 项目,属于商学院的研究生课程。如果你想了解更多关于这个学校和 MBA ......
Queensland University The of

django python manage.py migrate 后报错字段长度超了 django.db.utils.OperationalError: (1118 'Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535.

现象: 在models.py 将CharField字段的maxlength=修改后,执行ython manage.py migrate 报错django.db.utils.OperationalError: (1118 'Row size too large. The maximum row siz ......
django OperationalError size 字段 长度

浅谈BIT本科数据结构与算法课程 1

#关于C++ ##基本输入输出流 ```cpp #include using namespace std; int main(){ int a,b; cin>>a>>b; cout #栈和队列 ##关于stl ```cpp #include vector x; x.push_back(n); x.p ......
数据结构 算法 本科 结构 课程

CF1814D Balancing Weapons

[CF1814D Balancing Weapons](https://www.luogu.com.cn/problem/CF1814D) 原题明显可以转化为: 给定一个长度为 $n$ 的数组,初始为 $p_i$。可以调整元素的值,但第 $i$ 个元素必须是 $a_i$ 的 **整数** 倍,并且 ......
Balancing Weapons 1814D 1814 CF

[Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"

[Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" vi /etc/yum.repos.d/epel.repo enabled=0vi /etc/yum/pluginconf.d/fastest ......
quot requested returned PYCURL Errno