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Makefile - What is a Makefile and how does it work?
If you want to run or update a task when certain files are updated, the make utility can come in handy. The make utility requires a file, Makefile (or ......
Docker - Run PostgreSQL database
zzh@ZZHPC:~$ docker pull postgres:alpine zzh@ZZHPC:~$ docker images REPOSITORY TAG IMAGE ID CREATED SIZE postgres alpine 642d75c6be0c 9 days ago 245MB ......
How Attentive are Graph Attention Networks?
目录概符号说明GATv2代码 Brody S., Alon U. and Yahav E. How attentive are graph attention networks? ICLR, 2022. 概 作者发现了 GAT 的 attention 并不能够抓住边的重要性, 于是提出了 GATv2 ......
oracle19cPDB数据库连不上，提示ORA-01109: database not open
今天尝试创建了一个RAC环境的PDB数据库，在本地执行alter pluggable database pdb01 open 成功了，但是使用上去了plus连接还是连接不上，提示错误如下： C:\Users\Administrator>sqlplus system/oracle@192.168.1. ......
/usr/bin/perl: symbol lookup error: Devel/Size/Size.so: undefined symbol: Perl_xs_apiversion_bootcheck
001、perl报错如下：/usr/bin/perl: symbol lookup error: Devel/Size/Size.so: undefined symbol: Perl_xs_apiversion_bootcheck 002、 ......
Can't locate Devel/Size.pm in @INC (you may need to install the Devel::Size module)
001、perl 模块报错如下：Can't locate Devel/Size.pm in @INC (you may need to install the Devel::Size module) 002、解决方法： 安装该模块 (base) [b20223040323@admin1 003_an ......
什么是 DTU（Database Throughput Unit）
在云计算领域，DTU 是 Database Throughput Unit 的缩写，它代表着数据库吞吐单位，是一种用于度量数据库性能的单位。DTU 概念主要应用于 Azure SQL Database 和 Azure SQL Managed Instance，它是一种抽象的、预配置的资源集合，包括 ......
启动open5GS的核心网和srsLTE的enodeB时遇到报错S1-Setup failure Cannot find Served TAI
问题的场景 启动open5GS的核心网和srsLTE的enodeB、ue，遇到报错S1-Setup failure Cannot find Served TAI，导致enodeB连接不上mme。 报错信息 S1-Setup failure Cannot find Served TAI Check ' ......
unable to find valid certification path to requested target
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathB ......
How To Delete Reservations Using Standard API INV_RESERVATION_PUB.Delete_Reservation (Doc ID 2219367.1)
Solution Summary: The reservation API INV_RESERVATION_PUB.Delete_Reservation will delete reservations accepting the reservation id and optionally seri ......
Docker - Run MySQL database with docker
zzh@ZZHPC:~$ docker run -p 3306:3306 -e MYSQL_ROOT_PASSWORD=verysecretpass -e MYSQL_DATABASE=order mysql In this case, our data source URL isroot:very ......
【Linux笔记】find
# 在当前目录下查找 find "file.txt" # 查找当前目录下是否有file.txt find "*.txt" # 查找当前目录下是否有以.txt结尾的文件 # 在指定目录下递归地查找 find ./ -name "file*" # 在当前目录下，递归地进入所有文件夹中查找以file开头的 ......
uniapp打包Android，出现崩溃Didn't find class "io.dcloud.application.DCloudApplication"
自己创建的新的Android项目打包的时候一直崩溃，报错：Didn't find class "io.dcloud.application.DCloudApplication" 查找之后在app/build.gradle中发现添加 multiDexEnabled true compileOption ......
How to use SUM and DINSTINCT with GreenDao?
How to use SUM and DINSTINCT with GreenDao querybuilder? Ask Question Asked 7 years ago Modified 6 years, 7 months ago Viewed 1k times Part of Mobile ......
find 使用
在 find 命令中，-type 选项用于指定要查找的文件类型。以下是一些常见的文件类型： f： 普通文件（regular file） d： 目录 l： 符号链接（symbolic link） c： 字符设备文件（character special file） b： 块设备文件（block spec ......
[938] How to operate with shapefiles using Geopandas
Geopandas is a Python library that makes working with geospatial data easier by extending the data manipulation capabilities of pandas to spatial data ......
[LeetCode] 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance
There are n cities numbered from 0 to n-1. Given the array edges where edges[i] = [fromi, toi, weighti] represents a bidirectional and weighted edge b ......
pip下载python软件包时报错 Could not find a version that satisfies the requirement requests_toolbelt (from versions: none)
pip下载python软件包时报错，使用了国内源等各种方法，后来才知道是电脑中打开了抓包工具；打开抓包工具后一定要关闭抓包工具，这样下载软件包就下载下来了 关闭抓包工具后，下载成功了 ......
Oracle database 清理日志文件
Oracle database 清理日志文件 (listener.log/ alert log) 监听日志清理（listener.log）以oracle用户登录，切换到以下目录[oracle@oracledb /]$ cd $ORACLE_BASE/diag/tnslsnr/服务器用户名/liste ......
若依分离版打包部署后找不到模块(Error: Cannot find module ‘@/views/index‘)
将store/moudules/permission.js这一块改成下面这样，注释的可以删export const loadView = (view) => { return (resolve) => require([`@/views/${view}`], resolve) // if (proc ......
/bin/ld: cannot find -lcolamd
001、make编译报错：/bin/ld: cannot find -lcolamd 002、查找该文件 (py38) [root@pc1 Augustus-3.5.0]# find / -name "libcolamd.so" ## 系统上不存在该文件； 那么解决的话就应该安装， 但是安装什么呢？ ......
/bin/ld: cannot find -lmysqlclient
001、make编译 报错：/bin/ld: cannot find -lmysqlclient 002、查找相关文件 (base) [root@pc1 Augustus-3.5.0]# find / -name *libmysqlclient.so* ## lib + 提示的缺失文件 + .so ......
slice不改变原数组，返回截取的数组，slice(start,end), splice改变原数组splice(start,how many,element1,…)
执行以下程序，输出结果为（） var a =[1,2,3]; var b = a.slice(); b.push(4); console.log(a) [1,2,3] array.slice(begin,end)将返回一个由begin和end决定的原数组的浅拷贝， 其中，begin和end参数均是可 ......
How to solve marine pollution in China?
Measures to prevent and control marine pollution in China Establish and improve the marine legal system and management system. Since 197 8, China has ......
How does China solve the water pollution?
How does China solve the water pollution? One River, One Plan and One Map With the continuous development of China's economy and society, sudden water ......
MySQL 5.7 动态修改 innodb_buffer_pool_size
MySQL5.7开始支持动态修改innodb_buffer_pool_size大小，每个 buffer_pool_instance都由同样个数的chunk组成(chunks数组), 每个chunk内存大小为 innodb_buffer_pool_chunk_size(实际会偏大5%，用于存放chuc ......
自己搭建一个libc database
目录自己搭建一个libc database下载项目文件修改域名indexnginx.conf前端生成构建镜像生成索引接口测试全部更新访问我的 自己搭建一个libc database 为什么要自己搭建一个 libc database 呢，因为官方的https://libc.rip/api/查询接口挂了 ......
How To Solve The Problem Of Air Pollution
How To Solve The Problem Of Air PollutionThe report "China's Carbon Neutrality and Clean Air Synergy Pathway (2023)" was published in Beijing on Novem ......
How to use github action auto push docker image to docker hub
Docker Hub is a cloud-based registry service for Docker containers. It provides a platform for Docker users to share and distribute container images. ......