creating structs time one
[转载]:npm create vite@latest 和 npm init vue@latest 的区别
1.npm create vite@latest: 使用 Vite 构建工具创建项目模板。 Vite 是一个现代化的前端构建工具,用于快速搭建现代化的 Vue、React 或者原生 JavaScript 项目。 通过该命令创建的项目模板具有现代化的构建特性,如快速的热模块替换、即时的开发服务器、基于 ......
Spring Boot集成Druid异常discard long time none received connection.
为什么要清空空闲60秒以上的连接
猜测,阿里给数据库设置的数据库空闲等待时间是60秒,mysql数据库到了空闲等待时间将关闭空闲的连接,以提升数据库服务器的处理能力。
MySQL的默认空闲等待时间是8小时,就是「wait_timeout」的配置值。如果数据库主动关闭了空闲的连接,而连接池并不知道,... ......
At least one sheet must be visible
出现 "At least one sheet must be visible" 错误通常是因为你在创建 Excel 文件时,没有指定任何一个 sheet 为可见。这个错误通常发生在使用 openpyxl 引擎时。 要解决这个问题,你可以在创建 ExcelWriter 对象时,将参数 engine 设 ......
如何解决Windows电脑 Create folder error,Access is denied.
如何解决 Create folder error, Error: mkdir C:\Program Files\nodejs\21.1.0/: Access is denied. Waring: Name : http://npm.taobao.org/mirrors/node/v21.1.0/wi ......
GitHub-fatal-unable-to-access-https-github-com-Failed-to-connect-to-github-com-port-443-Operation-timed-out-CarlZeng
title: >- [GitHub] fatal: unable to access 'https://github.com/': Failed to connect to github.com port 443: Operation timed out tags: [github,git] cat ......
One Specific Measure to Tackle Water Pollution——YRPL
The Yangtze River Protection Law(YRPL) Effective Time On March 1, 2021, the Yangtze River Protection Law officially came into force. Objective To impr ......
对象定义 Object.create Object.defineProperty
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi ......
关于asyncio.create_task异步并发执行的研究
关于asyncio.create_task异步并发执行的研究 # 不在乎结果版本 async def do_some_thing(a, b): time.sleep(3) print(f"{datetime.datetime.now()} handle do_some_thing with a:{a ......
Carbon Trading Scheme——One of China’s Innovative Strategies for Addressing Global Warming
Introduction China, as the world’s largest emitter of greenhouse gases, recognizes the urgent need to tackle the global warming problem. Over the year ......
CF1043F Make It One
题目描述 给你一个长度为 \(n\) 的序列 \(A_i\) ,问你最少能从这个集合中取出多少数使得其 \(\gcd=1\) 数据范围 \(1\leq n\leq 3\times 10^5\);\(1\leq a_i \leq 3\times 10^5\). 思路: 首先观察一下这个数据范围,其中小 ......
EF报错:Unable to create an object of type 'XXXXXXX'. For the different patterns supported at design time, see https://go.microsoft.com/fwlink/?linkid=851728
这个是在EF迁移的时候报错: 解决方案:修改你的MyDbcontext: 代码如下: public class StoreDbContexttFactory : IDesignTimeDbContextFactory< ‘你的类名’> { public ‘你的类名’CreateDbContext(s ......
Node.js framework express.js middleware All In One
Node.js framework express.js middleware All In One
express.js middlewares order
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One specific Eco-Environmental Protection Measure of light pollution
In this section, I will show the specific legal measures for light pollution in a comparative form. Foreign light pollution legislation experience On ......
C语言中结构体struct与联合体union
struct(结构体)与union(联合体)是C语言中两种不同的数据结构,两者都是常见的复合数据类型。 定义 结构体(struct) 在C语言中,结构体(struct)指的是一种数据结构,是C语言中复合数据类型(aggregate data type)的一类。结构体可以被声明为变量、指针或数组等,用 ......
疑难杂症:conda create --prefix= 同时创建了两个相同名字的 环境
疑难杂症:conda create --prefix= 同时创建了两个相同名字的 环境 Anaconda3-2022.10-Windows-x86_64 但是 用普通的 不指定路径的 创建 环境指令没有问题,可以正常创建 一个环境 ......
npm WARN exec The following package was not found and will be installed: create-remix@2.2.0
报错 执行 npx create-remix@latest --template ryanflorence/remix-tutorial-template 提示如下: npm WARN exec The following package was not found and will be inst ......
GYM103102/SEERC2020 J One Piece
GYM103102/SEERC2020 J One Piece 这题讲杂题的时候人没讲清楚,下来问做出来的大佬也没说清楚,网上翻半天题解一两句没了,心态炸了都。 题意略过,各位自己去看一遍原题目。 提前约定一些符号:\(\operatorname{dis}(a,b)\) 表示点 \(a,b\) 之间 ......
[LeetCode] 2849. Determine if a Cell Is Reachable at a Given Time
You are given four integers sx, sy, fx, fy, and a non-negative integer t. In an infinite 2D grid, you start at the cell (sx, sy). Each second, you mus ......
TypeScript export named default error All In One
TypeScript export named default error All In One error solution demos https://codesandbox.io/s/typescript-export-named-default-error-3yqdxw --> (🐞 反爬 ......
LINUX:Error while compiling statement: FAILED: RuntimeException Cannot create staging directory
问题截图 可以看到是user=root,权限不够导致 观察发现用的是root用户 更改为hadoop用户,也即是可以启动hive的用户 插入成功。 ......
One Policy To Address Water Contamination
China announced an action plan that includes a list of measures to tackle water pollution, with the aim of improving the quality of the water environm ......
Configuration failed to find one of freetype2 libpng libtiff-4 libjpeg.
001、问题,安装 devtools中遇到如下报错:Configuration failed to find one of freetype2 libpng libtiff-4 libjpeg. 002、解决方法: [root@pc1 ~]# yum install freetype-devel l ......
import torch_geometric报错Could not find module '...\torch_sparse\_convert_cpu.pyd' (or one of its dependencies). Try using the full path with constructor syntax.
按照官网步骤安装完torch-scatter、torch-sparse、torch-cluster和torch-spline-conv等依赖项,也成功安装了torch_geometric,但在导入的时候还是报错: 原因是没有C++环境,在该网址中https://visualstudio.micros ......
CF1583G Omkar and Time Travel
CF1583G Omkar and Time Travel 想清楚了就不难。 首先我们考察一下性质,一次 time leap 之后只有包含于 \((a_i, b_i)\) 的区间会被重置,考虑这样一件事情:设 \(f_{l,r}\) 表示从 \(l\) 左边走到 \(r\) 右边的 time lea ......
【转载】The Beginner’s Guide to Creating and Selling Cheat Sheets
【from】https://medium.com/practice-in-public/the-beginners-guide-to-creating-and-selling-cheat-sheets-23756af06b12 This is 10x better than your 50-page ......
c: struct sort descending and ascending
/** * @file hello.c * @author your name (geovindu) * @brief * @ide vscode c11,c17 windows 10 * @version 0.1 * @date 2023-11-05 * * @copyright Copyrigh ......
docker compose failed to solve with frontend dockerfile.v0: failed to create LLB definition: unexpected status code [manifests 18.04]: 403 Forbidden
使用docker build命令构建镜像报: “failed to solve with frontend dockerfile.v0: failed to create LLB definition: unexpected status code [manifests 18.04]: 403 Fo ......
IRP_MJ_CREATE IRP_MJ_CREATE
要查询创建的设备,你可以使用以下方法之一: 使用 IRP_MJ_CREATE 处理程序:在驱动程序中,如果你已经为设备对象设置了 IRP_MJ_CREATE 处理程序,那么当应用程序打开设备时,该处理程序将被调用。你可以在这个处理程序中执行操作,并检查打开设备的相关信息。 使用 Device Man ......