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低功耗蓝牙(BLE)
谷歌浏览器使用selenium的驱动chromedriver 116~118版本,解决版本不匹配问
selenium的驱动chromedriver116~118版本,解决版本不匹配问题**下载链接:https://googlechromelabs.github.io/chrome-for-testing/#sta
ble
美美打不死
·
2024-03-14 09:03
selenium
python
QTa
ble
Widget表头添加复选框实现全选功能
QTa
ble
Widget表头添加复选框实现全选功能主要是CheckBoxHeaderView继承QHeaderView,重写paintSection函数voidcheckStatusChange(bool
hss2799
·
2024-03-14 08:32
Qt
sqlserver语句中差集、并集、交集的用法
SELECTcolumn1,column2FROMTa
ble
1UNIONSELECTcolumn1,column2FROMTa
ble
2;2、交集INTERSECTINTERSECT返回两个查询的结果中相同的行
GIS从业者
·
2024-03-14 08:32
MySQL
postgresq
MongoDB
Redis
sqlserver
sqlserver中四种join连接的用法
SELECT*FROMTa
ble
1LEFTOUTERJOINTa
ble
2ONTa
ble
1.ID=Ta
ble
2.ID;2、RIGHTOUTERJOIN(或简称为RIGHTJOIN)返回右表中的所有行,以及左表中匹配行
GIS从业者
·
2024-03-14 08:31
MySQL
postgresq
MongoDB
Redis
sqlserver
数据库
@Ena
ble
WebMvc介绍和使用详细demo
@Ena
ble
WebMvc是什么@Ena
ble
WebMvc是SpringMVC中的一个注解,它用于启用SpringMVC框架的基本功能,以便你可以使用SpringMVC提供的特性来处理Web请求。
Java高手马保国
·
2024-03-14 02:23
springmvc
springboot
开发技巧
mvc
springboot
ansi
ble
使用linefile批量修改网卡配置文件及host解析
一.使用ansi
ble
批量给主机添加host或者修改host1.新增一个host解析ansi
ble
test-mlineinfile-a'path=/etc/hostsline="192.168.1.1www.htjs.net
忍冬行者
·
2024-03-13 22:48
ansible
网络
服务器
@Import注解作用
@Import注解作用理解springboot自动装配时,发现@SpringBootApplication注解下的@Ena
ble
AutoConfiguration注解头上有一个@Import注解。
y我见青山多妩媚
·
2024-03-13 20:16
java
开发语言
resetFields()失效
解决方法在nextTick里赋值表单内容,因为弹窗会把第一次赋值的内容当成初始值,所以要在弹窗加载完之后再赋值constopenModal=(data)=>{base.visi
ble
=true;nextTick
虾仁不眨眼ok
·
2024-03-13 14:38
前端
javascript
html
vue
一维数组和二维数组作为参数传输格式
intconstarray2[],u8SIZE,u16MAX)一维数组直接填数组,二维数组必须要补上列数main函数里调用格式NaturalWindySPEED(NaturalWindySetSpeedTa
ble
1
琉璃惘蘩
·
2024-03-13 11:05
单片机
畅通工程续(Dijkstra)
畅通工程续(Dijkstra)Pro
ble
mDescription某省自从实行了很多年的畅通工程计划后,终于修建了很多路。
Chien d'amis
·
2024-03-13 10:32
ACM
C++
经典算法掌握
冒泡排序(Bub
ble
Sort):冒泡排序是通过不断比较相邻的两个元素并交换位置,让较大(或较小)的元素逐渐往后(或往前)移动,直到所有元素都排好序。
XiangHua.Ma
·
2024-03-13 08:01
算法
排序算法
数据结构
Java并发操作,多线程
Thread/Runa
ble
/Calla
ble
:多线程的三个实现方式适用场景:多线程编程优点:Calla
ble
的call方法有返回值,Runa
ble
/Calla
ble
为接口,能多实现缺点:Thread为抽象类
众星揽月
·
2024-03-13 06:26
多线程
java开发
java
【AIGC】Sta
ble
Diffusion的ControlNet插件
ControlNet介绍ControlNet插件是Sta
ble
Diffusion中的一个重要组件,用于提供对模型的控制和调整。
AIGCExplore
·
2024-03-13 01:48
AIGC
AIGC
stable
diffusion
JS模块化语法示例
letBMapModule=(function(){letmap=null;functionisBMapAvaila
ble
(){returntypeofBMap!
BuffaloX_X
·
2024-03-12 20:41
swift
开发语言
ios
关于handle.post(Runna
ble
r)方法的理解
1.形式:newhandler().post(newRunna
ble
(){publicvoidrun(){view.setTextColor(Color.Green);}});handler使用在线程间通信
真的见不到了码
·
2024-03-12 15:34
java
【Javascript】解析Reada
ble
Stream保存为Excel
基本原理 流操作API中的Reada
ble
Stream接口呈现了一个可读取的二进制流操作。FetchAPI通过Response的属性body提供了一个具体的Reada
ble
Stream对象。
呵呵你真行
·
2024-03-12 12:30
大前端
javascript
前端
开发语言
vue2 elementui 封装一个动态表格复杂组件
然后,创建一个新的Vue组件,比如DynamicTa
ble
.vueexportdefault{name:'Dy
A 风
·
2024-03-12 12:00
elementui
vue.js
前端
如果您用的是 unsta
ble
发行版,这也许是 因为系统无法达到您要求的状态造成的。
使用sudoapt-getinstall安装东西的时候,出现各种依赖问题,能装上也就算了,装不上就巨坑!还是aptitude大法好!sudoapt-getinstallaptitudeaptitude可以比apt-get更加智能地解决依赖问题,然后sudoaptitudeinstall对应安装包
CLM_Only
·
2024-03-12 11:57
ubuntu
ubuntu nginx
FFmpeg+nginx-http-flv-module+flv.js实现视频流播放-一只小松徐吖(xaoxu.cn)cat/etc/nginx/sites-ena
ble
d/default###YoushouldlookatthefollowingURL'sinordertograspasolidunderstanding
linux实践操作记录
·
2024-03-12 10:27
ubuntu
nginx
linux
webpack5高级--01_提升开发体验
*Thisdevtoolisneithermadeforproductionnorforreada
ble
outputfiles.*Ituses
化作繁星
·
2024-03-12 09:56
webpack
webpack
javascript
前端
C语言冒泡排序数组
用c语言实现冒泡排序输出数组的值,冒泡排序(Bub
ble
Sort)也是一种简单直观的排序算法。它重复地走访过要排序的数列,一次比较两个元素,如果他们的顺序错误就把他们交换过来。
1413编程小刘
·
2024-03-12 09:55
c语言
算法
开发语言
GPT的磁盘管理
zutuanxue~]#gdisk-l/dev/sdc[root@zutuanxue~]#gdisk-l/dev/sdc 查看sdc信息GPTfdisk(gdisk)version1.0.3Partitionta
ble
scan
耗同学一米八
·
2024-03-12 05:51
linux
运维
服务器
2021-11-21
1.Asscientistspredicted,globalpollutionhasbecomeoneofthemostseriouspro
ble
msfacingthehumanrace.2.Competitionforseekingthesepositionsistough
预防一班单杰民
·
2024-03-12 04:05
PostgreSQL开发与实战(6.2)体系结构2
作者:太阳二、逻辑架构graphTDA[database]-->B(schema)B-->C[表]B-->D[视图]B-->E[触发器]C-->F[索引]ta
ble
space三、内存结构Postgres
云掣YUNCHE
·
2024-03-12 01:15
Postgresql开发与实战
postgresql
数据库
MySQL表锁与行锁
//MyISAM查看表的情况:showopenta
ble
s;加锁:lockta
ble
表名read(write),表二read(write);释放锁:unlockta
ble
s;分析表锁定:showstatuslike'ta
ble
信缘 ꈍ 随缘
·
2024-03-12 01:15
mysql
数据库
java
Centos6.5,Centos7分别关闭selinux和防火墙
Centos6.5关闭selinux:永久有效:修改/etc/sysconfig/selinux将文本中的SELINUX=enforcing,改为SELINUX=disa
ble
d。
有事找叮当
·
2024-03-12 00:47
Spring Cloud GateWay整合熔断器实现限流
SpringCloudGateWay-过滤器今天我们来说下网关如何限流,主要两种方案:SpringCloudGateWay整合hystrxenvironment:testmanagement:security:ena
ble
d
暮色里de白雪檐
·
2024-03-12 00:14
springcloud
#
java核心知识点
网关
hystrx
限流
CircuitBreaker
gateway
Using DataContext to Track Changes and Cache Objects
TheDataContextobjectmanagesobjectidentityforyousothatrowsretrievedfromthedatabaseta
ble
areautomaticallyloggedintheDataContextobject
weixin_33872566
·
2024-03-11 21:08
数据库
Linux Shell变量的定义和使用
例如:my_varia
ble
="Hello,World!"这里,我们定义了一个名为my_variab
黑风风
·
2024-03-11 15:15
Linux
Shell
linux
运维
服务器
开发指南002-前后端信息交互规范-返回类ResponseResult
返回类有两个,一般返回类ResponseResult和分页返回类PageResult,本篇介绍ResponseResultpublicclassResponseResultimplementsSerializa
ble
大道不孤,众行致远
·
2024-03-11 10:07
平台开发指南
交互
java
开发语言
一起学算法-1217. 玩筹码
一、题目LeetCode-1217.玩筹码地址:https://leetcode-cn.com/pro
ble
ms/minimum-cost-to-move-chips-to-the-same-position
Justin小贾同学
·
2024-03-11 09:20
Sqoop一些常用命令及参数
importImportTool将数据导入到集群exportExportTool将集群数据导出codegenCodeGenTool获取数据库中某张表数据生成Java并打包Jarcreate-hive-ta
ble
CreateHiveTa
ble
Tool
大数据小同学
·
2024-03-11 09:19
随机森林原理&sklearn实现
原理定义随机森林就是通过集成学习的思想将多棵树集成的一种算法,它的基本单元是决策树,而它的本质属于机器学习的一大分支——集成学习(Ensem
ble
Learning)方法。
一稻道人
·
2024-03-11 06:03
机器学习算法&预测模型
Python
随机森林
sklearn
算法
Hashta
ble
排序
Hashta
ble
内部排列的方式是散列排布,所以当输出信息时会是无序的。为了能保证输出的数据按照顺序排列,不要渴望用java自带的函数来对Hashta
ble
对象进行调整处理。
Roy_Sashulin
·
2024-03-11 03:29
J2se
object
java
“ERROR Resource temporarily unavaila
ble
“ 和 “ERROR Connection reset by peer“ 是两种常见的网络错误
“ERRORResourcetemporarilyunavaila
ble
”和“ERRORConnectionresetbypeer”是两种常见的网络错误,它们通常在网络通信中出现。
sunfanup
·
2024-03-11 02:27
linux开发
c
c++
网络
服务器
在CentOS系统中安装Nginx
sudoyuminstallepel-release3.安装Nginx:sudoyuminstallnginx4.启动Nginx服务:sudosystemctlstartnginx5.设置Nginx服务自启动:sudosystemctlena
ble
nginx6
乌拉~~
·
2024-03-10 23:54
nginx
centos
linux
docker基本命令
Dockersystemctlstartdocker停止Dockersystemctlstopdocker重启Dockersystemctlrestartdocker开机启动Dockersystemctlena
ble
docker
酒吴
·
2024-03-10 22:52
docker
docker
spring中的事件
下表列出了Spring提供的标准事件:EventExplanationContextRefreshedEvent在ApplicationContext被初始化或刷新时发布(例如,通过使用Configura
ble
ApplicationContext
一切顺势而行
·
2024-03-10 20:50
spring
AcWing 95. 费解的开关
Pro
ble
m:AcWing95.费解的开关文章目录思路解题方法复杂度Code思路这是一个经典的搜索问题。我们需要找到最少的步骤来使所有的灯都亮起来。
爱跑步的程序员~
·
2024-03-10 15:44
刷题
acwing
dfs
linux取消密码复杂度限制 笔记240306
linux取消密码复杂度限制echoroot|passwd--stdinroot在Linux系统中,密码复杂度通常是由PAM(Plugga
ble
AuthenticationModules)来控制的。
kfepiza
·
2024-03-10 15:14
#
Linux
CentOS
Ubuntu
等
linux
笔记
运维
WSL2-在Ubuntu-22.04上安装MySQL(deb包)并配置ODBC
启用systemd通过链接启用systemdhttps://learn.microsoft.com/zh-cn/windows/wsl/systemd#how-to-ena
ble
-systemdsudonano
601.373336
·
2024-03-10 14:43
数据库
ubuntu
mysql
linux
db
Docker Register 搭建私有镜像仓库
docker组件sudoaptinstalldocker.io(3)启动docker服务sudosystemctlstartdocker(4)设置docker服务开机自启动sudosystemctlena
ble
docker
Vane Zhang
·
2024-03-10 11:37
docker
docker
容器
【算法随笔:HDU 3333 Turing tree】(线段树 | 离线 | 离散化 | 贪心)
https://acm.hdu.edu.cn/showpro
ble
m.php?pid=3333https://acm.hdu.edu.cn/showpro
ble
m.php?
XNB's Not a Beginner
·
2024-03-10 07:03
算法
算法
哈希算法
leetcode
c++
排序算法
LeetCode-136-只出现一次的数字
示例1:输入:[2,2,1]输出:1示例2:输入:[4,1,2,1,2]输出:4来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/single-number
刻苦驴哝
·
2024-03-10 07:54
2018-10-30jquery实际应用
;$("#ssb").attr("disa
ble
d",true);returnfals
小牛长成记
·
2024-03-10 05:11
数据结构与算法-哈希表
哈希表(HashTa
ble
)是一种通过哈希函数将键(key)映射到特定数组索引位置的数据结构,以实现对数据的高效存储和检索。通过巧妙地设计哈希函数,
时光不老c
·
2024-03-10 04:59
数据结构与算法
算法
数据结构
java
JPG TO PDF(用python将图片转换为pdf格式)
fromtkinterimportttkimportrandomimporttkinterastkdefhp(width,height):hp=Tk()hp.title("JpgToPdf")hp.resiza
ble
hhcgchpspk
·
2024-03-10 02:27
python
开发语言
数据结构与算法-双向链表
一、基本介绍定义双向链表(Dou
ble
-LinkedList)是链表家族的一员,相比于单链表,它的每个节点不仅包含数据域,还具备两个指针域,分别指向前一个节点和后一个节点。
时光不老c
·
2024-03-10 00:54
数据结构与算法
java
数据结构
算法
C/C++编程:前置声明
forwarddeclaration)是类、函数和模板的纯粹声明,没伴随着其定义.一般的前置函数声明#includeusingnamespacestd;voidfun(charch,int*pValue,dou
ble
dValue
OceanStar的学习笔记
·
2024-03-09 21:51
C++
c++
c语言
算法
Armadillo使用介绍(八):第二个Armadillo程序
源码#include#includeusingnamespacestd;usingnamespacearma;//Armadillodocumentationisavaila
ble
at://http:/
UPUPUPEveryday
·
2024-03-09 15:44
Armadillo
armadillo
c++
vs
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