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蓝牙低功耗BLE
Hive和Hbase的区别
HBase:HBase是一个NoSQL数据库,基于Google的BigTa
ble
模型。
傲雪凌霜,松柏长青
·
2024-09-08 17:37
大数据
后端
hive
hbase
hadoop
HBase
HBase的设计灵感来自Google的Bigta
ble
,能够在海量数据中提供快速的随机读写操作,适合需要低延迟和高吞吐量的应用场景。
傲雪凌霜,松柏长青
·
2024-09-08 17:07
大数据
后端
hbase
数据库
大数据
Python基础教程 —— 自定义函数
基础教程之自定义函数文章目录Python基础教程函数是什么一、内置函数与自定义函数1.Python内置函数2.Python自定义函数二、使用def自定义函数1.创建一个简单的自定义函数的步骤2.定义函数的关键点3.calla
ble
小桃在改bug
·
2024-09-08 17:36
Python基础教程
python
开发语言
算法
数据结构
python内置的四大高阶函数
如果传入了多个itera
ble
参数,function必须接受相同个数的实参并被应用于从所有可迭代对象中并行获取的项。
挑灯望美人。
·
2024-09-08 17:04
python
开发语言
创建Hive表后,查看表结构发现中文注释乱码
问题描述:创建Hive表后,查看表结构发现中文注释乱码解决方法:进入mysql,执行如下命令usehive;#修改表字段注解编码alterta
ble
COLUMNS_V2modifycolumnCOMMENTvarchar
StoicD
·
2024-09-08 15:50
Hive
hive
2024年Linux最新快速入门SaltStack_saltstack基本使用
yum -y install salt-masterservice salt-master start注:需要ipta
ble
s开启master端4505、4506端口安装被管理端yum -y install
前端核心技术
·
2024-09-08 14:19
程序员
linux
saltstack
服务器
elementUI根据列表id进行列合并@莫成尘
本文章提供了elementUI根据列表id进行列合并的demo,效果如图(可直接复制代码粘贴)exportdefault{name:'App',components:{},data(){return{ta
ble
List
莫成尘
·
2024-09-08 13:40
vue.js
elementui
前端
redis之zset命令学习
redis之zset命令学习zset是一个不包含重复元素的字符串集合,且每个元素都会关联一个dou
ble
类型的分数(score)。
让美好继续发生
·
2024-09-08 13:40
redis
学习
后台系统+elementUI的分页器功能的实现及相关问题的解决
分页功能:ta
ble
是支持高度设置的:heightTa
ble
的高度,默认为自动高度。
我爱加班、、
·
2024-09-08 13:40
前端功能实现以及问题解决
elementui
前端
javascript
vue.js
ecmascript
开发语言
前端框架
el-ta
ble
单元格,双击编辑
el-ta
ble
单元格,双击编辑实现效果代码如下{{scope.row.name}}{{scope.row.age}}exportdefault{data(){return{ta
ble
Data:[{name
天农学子
·
2024-09-08 13:39
vue.js
javascript
ecmascript
页面小组件-表格封装(基础版)
组件源码暂无数据{{row[column.prop]}}exportdefault{name:'CustomTa
ble
',props:{ta
ble
Data:{type:Array,default:()=
前端SkyRain
·
2024-09-08 13:07
Vue
前端
vue.js
sqlalchemy的foreignkey操作
创表操作create_ta
ble
_foreignkey.py#一对多建表操作fromsqlalchemy.ext.declarativeimportdeclarative_basefromsqlalchemyimportcreate_enginefromsqlalchemyimportColumn
MarryOnlyQueen
·
2024-09-08 13:05
数据库ORM
el-ta
ble
行编辑
需求:单点行编辑并且请求接口更新数据,表格中某几个字段是下拉框取值的,剩下的是文本域;展示的时候需要区分下拉框编码还是中文故障模式这个展示的是fault_mode编码,但要显示的文字fault_mode_chn这点需要注意|-->tabClick(row,column,cell,event){if(this.viewColumns.some((ele)=>ele.label==column.lab
dy1717
·
2024-09-08 12:02
elementui
vue.js
elementui
javascript
等待进程框示例
privatevoidsimpleButton2_Click(objectsender,EventArgse){simpleButton2.Ena
ble
d=false;DevExpress.XtraSplashScreen.SplashFormPropertiesinfo
拐几个弯
·
2024-09-08 12:31
Devexpress
c#
开发语言
@Cachea
ble
注解“cacheNames“标红报错的原因
使用先查看是否引入了相关依赖使用@Cachea
ble
注解在括号中输入cacheNames会标红报错并且在输入过程中idea并没有联想出相关信息,这可能是因为在输入@Cachea
ble
时自动导包,导了错误的包如图红色框圈住的包才是正确包
Lzehui
·
2024-09-08 12:31
java
spring
开发语言
Vue Element-UI Ta
ble
点击某一行,将该行背景色改变 高亮点击的行
想要实现一个点击一行,改行的背景色改变,高亮,如下图所示1、先开启element的高亮选项--><el-ta
ble
-columnprop=
水蜜桃那么甜
·
2024-09-08 12:01
vue
在Element UI的<el-ta
ble
>组件中,点击子元素不触发父级事件
在ElementUI的组件中,@row-click事件是绑定在整行上的,这意味着如果点击了表格的任意位置(除非有特定的子元素阻止了事件冒泡),都会触发这个事件。如果你想要在某些子元素上点击时不触发@row-click事件,你需要在这些子元素上阻止事件冒泡。你可以通过在子元素上添加点击事件并调用event.stopPropagation()方法来实现这一点。event.stopPropagation
HWL5679
·
2024-09-08 12:30
vue.js
javascript
ecmascript
Element UI的<el-ta
ble
>组件中,在表格中添加“删除”和“修改”按钮
删除修改import{ref}from'vue';exportdefault{setup(){constta
ble
Data=ref([//...表格数据]);//处理行点击事件的方法(如果需要的话)consthandleRowClick
HWL5679
·
2024-09-08 12:30
ui
vue.js
elementui
隐语课程 SecretFlow的安装部署
SecretFlow安装:1.先开启电脑上的虚拟机功能,以管理员身份打开PowerShell并运行:dism.exe/online/ena
ble
-feature/featurename:VirtualMachinePlatform
皓月雪
·
2024-09-08 12:57
学习
笔记
算法题汇总
算法汇总环形链表https://leetcode.cn/pro
ble
ms/linked-list-cycle/反转链表https://leetcode.cn/pro
ble
ms/reverse-linked-list
lin-lins
·
2024-09-08 11:25
面试与算法
算法
前端
javascript
网络学习-eNSP配置单交换机VLAN
[Huawei]undoinfo-centerena
ble
Info:Informationcenterisdisa
ble
d.#创建VLAN[Huawei]vla
丢爸
·
2024-09-08 10:18
Linux
网络
网络
学习
linux
ERROR: Could not find a version that satisfies the requirement torch==xxx+cuxxx解决方案
=1.10.0+cu111torchvision==0.11.0+cu111torchaudio==0.10.0-fhttps://download.pytorch.org/whl/torch_sta
ble
.html
神奇宝贝威威
·
2024-09-08 10:17
偶得之
深度学习
python
pytorch
debian内核小版本升级(9.0->9.9)
执行lsb_release-a查看内核版本root@xxxxxxx#lsb_release-aNoLSBmodulesareavaila
ble
.DistributorID:DebianDescription
Minority
·
2024-09-08 09:38
后端处理前端NaN导致报错
用实体接参数时,属性类型是Dou
ble
,前端传NaN会报错,做了简单处理,记录一下,当然前端不传NaN就更好了…packagecn.edu.oa.jsonSerializer;importcn.micro.framework.exception.BusinessException
旋转跳跃闭着眼
·
2024-09-08 08:32
蓝牙
--关于bta_ag_act.cc文件的讲解
在
蓝牙
通信中,HF通常是支持HFP(Hands-FreeProfile)协议的设备,例如
蓝牙
耳机、汽车
蓝牙
系统等。AG(AudioGateway)测:是指作为音频的输入和输出网关的设备。
专业开发者
·
2024-09-08 07:59
蓝牙
网络
jupyter notebook中rise插件的安装
jupyter,当我直接运行如下命令:pipinstallRISEjupyter-nbextensioninstallrise--py--sys-prefixjupyter-nbextensionena
ble
rise
猫大鸡腿
·
2024-09-08 07:24
jupyter
ide
python
每日一题 day 08
1>递归次数过多,栈溢出emmclassSolution{publicdou
ble
myPow(dou
ble
x,intn){dou
ble
ans=1.0;if(n使用快速幂
lhsnhs
·
2024-09-08 06:17
蓝桥杯
职场和发展
Docker进阶-构建镜像最佳实践
通过dockerrun--itdebian可以启动一个debian的容器,终端会有如下输出:/#dockerrun-itdebianUna
ble
tofindimage'debian:latest'locallylatest
「已注销」
·
2024-09-08 05:45
Docker
docker
linux
运维
【ABAP】ALV刷新显示及双击ALV跳转事务码的方法
检查alv变更callmethodref1->refresh_ta
ble
_display."刷新显示刷新按钮when'&NTE'.rs_selfield-refresh='X'."
Lingarrrd
·
2024-09-08 05:45
sap
abap
sap
abap
Java八股——数据库(MySQL)、Redis、JVM
169.float和dou
ble
的区别是什么?170.MySQL的内连接、左连接、右连接有什么区别?169、数据库如何保证主键唯一性17
七三2001
·
2024-09-08 05:13
Java八股
数据库
mysql
java
redis
Colorful Truck Challenge
Gamegoal:reasona
ble
operation,smoothandsmooth!
Qwerasdzxc
·
2024-09-08 04:09
2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(1)
3.ipta
ble
s表(ta
ble
s)和链(chains)下面的表格展示了表和链的对应关系。
2401_86394219
·
2024-09-08 04:37
学习
笔记
网络
2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(2)
2、Netfilter/ipta
ble
s是表的容器,ipta
ble
s包含的各个表(filter,NAT,MANGLE,RAW)3、ipta
ble
s的表又是链的容器。
2401_86394221
·
2024-09-08 04:37
学习
笔记
网络
2024年最新2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(1),2024年最新含BATJM大厂
为了做好运维面试路上的助攻手,特整理了上百道【运维技术栈面试题集锦】,让你面试不慌心不跳,高薪offer怀里抱!这次整理的面试题,小到shell、MySQL,大到K8s等云原生技术栈,不仅适合运维新人入行面试需要,还适用于想提升进阶跳槽加薪的运维朋友。本份面试集锦涵盖了174道运维工程师面试题128道k8s面试题108道shell脚本面试题200道Linux面试题51道docker面试题35道Je
2024spring
·
2024-09-08 04:07
程序员
学习
笔记
2024年最新2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s,2024年最新最新Linux运维高级面试题汇总
网上学习资料一大堆,但如果学到的知识不成体系,遇到问题时只是浅尝辄止,不再深入研究,那么很难做到真正的技术提升。需要这份系统化的资料的朋友,可以点击这里获取!一个人可以走的很快,但一群人才能走的更远!不论你是正从事IT行业的老鸟或是对IT行业感兴趣的新人,都欢迎加入我们的的圈子(技术交流、学习资源、职场吐槽、大厂内推、面试辅导),让我们一起学习成长!–flush-F[chain]Deleteall
2024云技术
·
2024-09-08 04:37
程序员
运维
学习
笔记
【MySQL】深圳大学数据库实验二
HAVINGGROUPBY的用法HAVING的用法综合示例小结4.2EXERCISES6SUBQUERIES.1.标量子查询(ScalarSubquery)2.行子查询(RowSubquery)3.表子查询(Ta
ble
Subquery
看未来捏
·
2024-09-08 04:06
深大数据库
数据库
mysql
【Spring Boot】 SpringBoot自动装配-Condition
Conditional2.2Condition2.2.1ConditionContext三、使用说明3.1创建项目3.1.1导入依赖3.1.2添加配置信息3.1.3创建User类3.1.4创建条件实现类3.1.5修改启动类3.2测试3.2.1当user.ena
ble
从零开始的-CodeNinja之路
·
2024-09-08 04:36
spring
boot
后端
java
PyTorch版本、Python版本和pytorch_lightning版本的对应关系
CompatibilitymatrixPyTorchLightningfollowsNEP29whichPyTorchalsofollows(#74203).Theta
ble
belowindicatesthecoverageoftestedversionsinourCI.Versionsoutsidetherangesmayunofficiallyworkinsomecases.lightning
ssm1122
·
2024-09-08 04:33
python
pytorch
Proto3: JSON Mapping - JSON映射
Proto3supportsacanonicalencodinginJSON,makingiteasiertosharedatabetweensystems.Theencodingisdescribedonatype-by-typebasisintheta
ble
below.Proto3
Upping8
·
2024-09-08 03:54
判断python对象是否可调用的三种方式及其区别
基本上判断python对象是否为可调用的函数,有三种方法:1、使用内置的calla
ble
函数calla
ble
(func)用于检查对象是否可调用,返回True也可能调用失败,但是返回False一定不可调用
Python 学习者
·
2024-09-08 02:55
python
编程语言
HTML表格
ta
ble
,tr,td{border:lpxsolidsilver;}表格标题表头单元格HTMLCSSJavaScriptJQuery标准单元格合并行:rowspan在HTML中,我们可以使用rowspan
一壶浊酒..
·
2024-09-08 02:54
前端开发
html
前端
Python3排序 sort(),reversed(),sorted()
序列排序列表.sort()list.sort(cmp=None,key=None,reverse=False)sorted(序列)sorted(itera
ble
,key=None,reverse=False
SS_此心安处是吾乡
·
2024-09-08 02:54
【亲测有效】nginx负载均衡指定ip端口转发,做自动切换
监听两个目标公网ip,这两个目标ipA,ipB是做了ipta
ble
s的转发,按照端口转发的,例如我访问ipA的3333端口就转发某个squid代理x上,访问ipB的3333端口也转发到同一个squid代理
Zda天天爱打卡
·
2024-09-08 02:53
nginx
负载均衡
tcp/ip
Bash Commons:提升Bash脚本开发效率的开源利器
BashCommons:提升Bash脚本开发效率的开源利器bash-commonsAcollectionofreusa
ble
Bashfunctionsforhandlingcommontaskssuchaslogging
喻季福
·
2024-09-08 02:23
React Native Date Picker 使用教程
react-native-date-pickerReactNativeDatePickerisdatetimepickerforAndroidandiOS.Itincludesdate,timeanddatetimepickermodes.Thedatepickeriscustomiza
ble
andissupportingdifferentlang
喻季福
·
2024-09-08 02:53
ClickHouse 二进制特征值怎么转化为字符串
例如:SELECTbase64Encode(feature)FROMmy_ta
ble
;2.使用hex编码hex是一种将二进制数据转化为十六进制字符串的方法
树下水月
·
2024-09-08 02:20
clickhouse
Mac 电脑中怎么查看和修改环境变量,Mac中设置python的环境变量(小白必看)
前言:什么是环境变量环境变量(environmentvaria
ble
s)一般是指在操作系统中用来指定操作系统运行环境的一些参数,如:临时文件夹位置和系统文件夹位置等。
小聒吃不胖
·
2024-09-08 02:20
macos
【Qt笔记】QListWidget控件详解
目录引言一、基本概念和特性二、基本用法2.1创建和初始化2.2添加和删除项2.3选择和遍历项三、信号与槽3.1itemClicked3.2itemDou
ble
Clicked3.3itemSelectionChanged
冷眼看人间恩怨
·
2024-09-08 01:47
Qt
qt
笔记
开发语言
QListWidget
【DevOps工具篇】使用Ansi
ble
部署Keycloak oauth2proxy 和 单点登录(SSO)设置
【DevOps工具篇】使用Ansi
ble
部署Keycloakoauth2proxy和单点登录(SSO)设置目录【DevOps工具篇】使用Ansi
ble
部署Keycloakoauth2proxy和单点登录
小涵
·
2024-09-08 01:17
DevOps企业级项目实战
devops
ansible
运维
ldap
keycloak
proxy
oauth
力扣题55.跳跃游戏
55.跳跃游戏https://leetcode.cn/pro
ble
ms/jump-game/给你一个非负整数数组nums,你最初位于数组的第一个下标。数组中的每个元素代表你在该位置可以跳跃的最大长度。
从此不叫無名
·
2024-09-08 01:44
算法
数据结构
c语言
力扣
leetcode
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