objectives you for and

[数论]Divisor and Gcd

## Divisor and Gcd ### 1、算术基本定理:n的质因数分解唯一 一些常见结论: 1.素数无限 2.$\lim_{n\rightarrow+\infty}n\prod\dfrac{n}{\frac{n}{\ln{n}}}$(Π(n)表示 ab|c$ 3.$a|bc,(a,b) = ......
数论 Divisor and Gcd

SystemVerilog for Design Edition 2 Chapter 8

## SystemVerilog for Design Edition 2 Chapter 8 SystemVerilog enables modeling at a higher level of abstraction through the use of 2-state types, enum ......
SystemVerilog Chapter Edition Design for

Educational Codeforces Round 150 (Rated for Div. 2) B. Keep it Beautiful

#include <iostream> #include <cstring> using namespace std; const int N=2e5+10; int a[N],res[N]; int t; int main(){ cin>>t; while(t--){ int n; cin>>n; ......
Educational Codeforces Beautiful Round Rated

C++ multi process share value via write and read data from serialized file,the better way is shared_memory,pipeline,message queue,socket

#include <atomic> #include <chrono> #include <cmath> #include <condition_variable> #include <cstddef> #include <forward_list> #include <fstream> #incl ......

STUFF和FOR XML PATH('')

初始状态: 执行代码: SELECT STUFF((SELECT ','+Test_Table FROM dbo.Test_Table_Mapping WHERE ID=1570 FOR XML PATH('')),1,1,'') text 显示结果 在 SQL Server 中,stuff() 函 ......
STUFF 39 PATH FOR XML

[6] Fast and Practical Secret Key Extraction by Exploiting Channel Response 论文精读 INFOCOM 13'

摘要 摘要写的很清楚,几句话说明了当前密钥发展现状,即使用RSS为基础的密钥生成解决方案的生成速率有待提升,因此本文主打一个高速率;此外本文提出了CGC算法来解决现实生活中的信道互易性差的问题;此外,其能够抵御被认为对RSS技术有害的恶意攻击! 但是他的Abstract我有一点不满哈,全文都是CSI ......

Wordpress:Briefly unavailable for scheduled maintenance. Check back in a minute.怎么解决?

场景描述:在更新Wordpress版本从Version 6.2.1升级到Version 6.2.2时候,顺带点升级的插件太多了,突然就崩溃报错:Briefly unavailable for scheduled maintenance. Check back in a minute。 因为用的是Si ......

33) Transfer Object pattern

类别: 问题: 方案: 示例: package cn.zno; import java.util.ArrayList; import java.util.List; public class TransferObjectPatternDemo { public static void main(St ......
Transfer pattern Object 33

29) Data Access Object Pattern

类别: 问题: 方案: 示例: import java.util.ArrayList; import java.util.List; public class DataAccessObjectPattern { public static void main(String[] args) { Stu ......
Pattern Access Object Data 29

Custom directive is missing corresponding SSR transform and will be ignored

## 背景 最近在给业务组件库集成指令库,将各个项目中常用的指令如一键复制、元素和弹窗拖拽等封装到一起,进行统一发版维护。 业务组件库项目架构采用的是pnpm+vite+vue3+vitepress,其中vitepress主要做组件库文档站点同时展示可交互的组件。 ## 问题 开发运行时指令库dem ......

使用Postman的Get请求遇到:"type": "parsing_exception","reason": "Unknown key for a START_OBJECT in [mappings].",的问题

**错误如图** ![](https://img2023.cnblogs.com/blog/3161806/202306/3161806-20230616140011892-1209344862.png) **原因** postman自身的的bug问题。body里面写了json参数,结果postma ......

slime and sequence

## Slime and Sequences https://codeforces.com/contest/1349/problem/F2 Two days' hard work. Firstly, consider the total number of this kind of sequence ......
sequence slime and

(find and grep)

前言 大家好,我是 god23bin。欢迎来到《一分钟学一个 Linux 命令》系列,每天只需一分钟,记住一个 Linux 命令不成问题。今天需要你花两分钟时间来学习下,因为今天要介绍的是两个常用的搜索命令:find 和 grep 命令。 find 什么是 find 命令? find 命令用于在指定 ......
find grep and

Ubuntu - Add a Flameshot Icon for taking screenshot directly to Applications menu

All applications' desktop entries can be found in /usr/share/applications. You can create a desktop entry under ~/.local/share/applications to make yo ......

suse12报错logger: error while loading shared libraries: libcap.so.2: cannot open shared object file: No such file

1、故障描述 登录主机后报错如下,ls等基础命令均不能操作 2、解决思路与方法 1、挂载镜像进救援模式,查看日志 将 / /home /dev /sys 目录挂载到/mnt/下对应主机 报错如上图所示 将把usr 目录挂载上,刷新lib库 /sbin/ldconfig -v,重启,根目录恢复正常 2 ......
shared file libraries loading logger

suse12操作系统普通用户报错error while loading shared libraries: libcap.so.2: cannot open shared object file: permission denied

1、故障描述 linux主机普通用户执行ping命令报错 ping:error while loading shared libraries: libcap.so.2: cannot open shared object file: permission denied 2、故障原因 超级用户修改了根 ......
shared permission libraries loading 用户

解决宝塔面板SSL证书安装失败: Invalid version. The only valid version for X509Req is 0.

文章目录 No headings were found on this page. 本文介绍宝塔面板SSL证书安装失败,报错: Invalid version. The only valid version for X509Req is 0.的解决方法。 安装证书报错信息如下图: 如何解决宝塔面板S ......
version 宝塔 面板 证书 Invalid

Differences between SysVinit, Upstart and Systemd

Differences between SysVinit, Upstart and Systemd https://www.computernetworkingnotes.com/linux-tutorials/differences-between-sysvinit-upstart-and-sys ......
Differences SysVinit between Upstart Systemd

Access denied for user 'root'@'10.10.1.33'

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '自己数据的密码' WITH GRANT OPTION; FLUSH PRIVILEGES; ......
39 Access denied 10 user

Vite执行build操作时报错:Invalid value for option "output.dir" - you must set either "output.file"

Vite对项目进行build(库)打包时报错,具体信息如下: 致错配置代码: export default defineConfig({ build: { lib: { // ... }, rollupOptions: { output: [ { file: 'lib/main.umd.min.js ......
quot output 时报 Invalid either

ActiveMQ InactivityIOException: Channel was inactive for too (>30000) long 处理方案

生产服务器上,MQ Produce和consumer端同时报如下错误,导致不能正常工作。 Transport (tcp://132.97.122.168:61616) failed, reason: org.apache.activemq.transport.InactivityIOExceptio ......

while和for、内置方法

当while没有被关键字break主动结束的情况下 正常结束循环体代码之后会执行else的子代码 while 条件: 循环体代码 else: 循环体代码正常运行结束 则会执行该子代码块 count = 1 while count < 10: print(count) count += 1 #打印0到 ......
方法 while for

npm publish 发包报错npm ERR! 403 403 Forbidden - PUT https://registry.npmjs.org/test_vue - You do not have permission to publish "【package name】". Are you logged in as the correct user?

如果出现在发布的时候报这个错,说明你在package.json中登记的name已近被采用了。重名了,所以你得换一个。我们在发布一个包之前,最好拿着这个登记的name去搜一下,如果已近有了,那就要换一个。 ......
publish quot permission npm 403

You won't be able to pull or push project code via SSH until you add an SSH key to your profile

You won't be able to pull or push project code via SSH until you add an SSH key to your profile 经网上搜索查看是SSH配置的问题,解决方案为配置好本地的SSH然后把它填写到Gitlab: 可以在命令提示符 ......
SSH project profile until able

云小课|RDS for MySQL参数模板一键导入导出,参数配置轻松搞定

摘要:云数据库RDS for MySQL支持参数模板的导入和导出功能。 本文分享自华为云社区《【云小课】【第56课】RDS for MySQL参数模板一键导入导出,参数配置轻松搞定》,作者:数据库的小云妹。 云数据库RDS for MySQL支持参数模板的导入和导出功能。 导入参数模板:导入后会生成 ......
参数 模板 MySQL RDS for

安装pmm(Percona Monitoring and Management)

环境:Os:Centos 7pmm2 ####################################服务端安装#######################服务端安装我们这里使用docker的方式部署一、server端部署:1.监控机器安装docker:ip:192.168.56.101操 ......
Monitoring Management Percona pmm and

Educational Codeforces Round 150 (Rated for Div. 2)题解(A~D)

比赛地址 A. Game with Board 题意: 给出一个包含n个1的数组,Alice和Bob轮流操作(Alice先手),每次操作可以将若干个(最少为两个)不同的元素相加,组成一个新的元素插入数组中,同时删去被操作的元素。当轮到某名玩家时无法再进行操作,则该玩家获胜。 思路: 容易想到,当n= ......
题解 Educational Codeforces Round Rated

pyautogui.screenshot('test.png') 报错:PyAutoGUI was unable to import pyscreeze (This is likely because you're running...

根据提示需要`import pyscreeze`还需要`Pillow`.通过`pip3 list`可以查看到已经安装`PyScreeze==0.1.29`但是不是我手动安装的,应该是`Pillow`或者`pyautogui`下载的时候依赖了`pyscreeze`并且安装了最新版本`0.1.29`。通 ......
screenshot pyautogui PyAutoGUI pyscreeze 39

Wtm layui add form pop out and dispaly in tables

#region AddChargeItem [AllRights] //use in edit page public IActionResult AddChargeJob(string id) { var vm = Wtm.CreateVM<tbl_ma_dbn_jobListVM>(); vm. ......
dispaly tables layui form Wtm

Pixelmator Pro for Mac(媲美PS的修图软件)

Pixelmator Pro Mac版是一款功能强大的 Photoshop Mac版替代品,它能轻松地为照片和视频添加任何更改。它提供了一套革命性的工具,可以帮助您在任何照片,视频或幻灯片上进行更改。所有这些工具都非常快速有效。使用 Pixelmator Pro,您可以轻松地将照片和视频从普通的 P ......
Pixelmator 软件 Mac Pro for