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低功耗蓝牙ble
WPF中使用LiveCharts绘制散点图
一、背景这里的代码使用MVVM模式进行编写二、ModelpublicclassDataPoint{publicdou
ble
X{get;set;}publicdou
ble
Y{get;set;}}三、ViewModelpublicclassScatterChartViewModel
两仪风
·
2024-03-17 18:26
wpf
mysql删除重复数据,保留一条
以学生表为例,我们创建一个简单的数据表来做实验:createta
ble
student(idint,user_namevarchar(20),insert_timedatetime);往表里面插入一些实验数据
小小_3ca7
·
2024-03-17 13:20
react可视化编辑器 第一章 拖拽
效果:实现可视化编辑器,第一步难点是拖拽提示:链接和图片默认是可拖动的,不需要dragga
ble
属性。
zhooson
·
2024-03-17 13:49
react.js
编辑器
前端
mysql报错日志查看
路径命令在MySQL命令行客户端中,执行SHOWVARIA
BLE
SLIKE'log_error';这个命令可以显示log_error系统变量的值,这个值通常指向MySQL的错误日志文件(errorlog
youhebuke225
·
2024-03-17 10:47
SQL
Server
mysql
数据库
C语言之计算正方形的周长
目录一代码实现二时空复杂度A.时间复杂度(TimeComplexity):B.空间复杂度(SpaceComplexity):一代码实现#include//定义一个函数来计算正方形的周长dou
ble
calculate_square_perimeter
m0_61635718
·
2024-03-17 09:45
C语言算法
c语言
开发语言
数据结构
算法
kubernetes解决nginx跨域问题
官方文档出处:https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/annotations/#ena
ble
-cors
滴流乱转的小胖子
·
2024-03-17 08:50
什么事exchange rate fluctuation?
Samplesaretobedeliveredtoday,andourpriceshavechangedduetotheexchangeratefluctuationswhichneedtobeconsideredasitisreasona
ble
businesspracticetodoso
Lisa_Wang_China
·
2024-03-17 08:16
【elementui】一招解决 el-ta
ble
重复写 loading 的问题
问题项目中使用elementui开发表格的小伙伴知道,给el-ta
ble
添加加载动画一般都是用v-loading指令,同时组建中添加loading变量来控制。
落落叶叶无声
·
2024-03-17 05:09
elementui
elementui
el-table
loading
重复
前端
Java与Go:基本数据类型
浮点数类型:float、dou
ble
,分别占用4、8个字节。而Go语言的基本数字数据类型如下
AIGoland之星
·
2024-03-17 01:35
Java转Go
运维
java
golang
开发语言
后端
MySQL建表以及excel内容导入
--建立数据库createta
ble
SP_sjk(--增加列idNUMBER(20),mcVARCHAR2(300))/*表空间储存参数配置。
jameszjd
·
2024-03-17 00:03
mysql
excel
oracle
气压传感器TCBP001TA-Y方案定制服务
提供IC技术支持,全国线上线下服务主营业务:东莞市酷得智能科技有限公司在消费类电子市场深耕多年,依托于市场团队对市场的敏锐度、工程团队的技术积累、结合自身的创新以及和上游原厂深度合作,在2.4G通信、
BLE
aikude2024
·
2024-03-17 00:03
文章
嵌入式硬件
单片机
机器人
MySQL模糊匹配之like和like concat
SETNAMESutf8mb4;SETFOREIGN_KEY_CHECKS=0;--------------------------------Ta
ble
structureforuser--------
解忧杂货铺Q
·
2024-03-16 20:58
数据库
mysql
数据库
java
解决MacOS catalina 升级后Vmware黑屏的问题
重启Mac按住Command+R进入恢复模式打开Terminal#关闭csrutildisa
ble
再次重启mac回到正常模式启动打开终端输入tccutilresetAllcom.vmware.fusionsudosqlite3
Morgan7
·
2024-03-16 14:25
vue触发真实的点击 事件 跟用户行为一致
$refs.myButton;//创建一个鼠标点击事件constevent=newMouseEvent('click',{view:window,bub
ble
s:true,cancela
ble
:true
只会安静敲代码的 小周
·
2024-03-16 12:18
vue.js
前端
javascript
【vue baidu-map】实现百度地图展示基地,鼠标悬浮标注点展示详细信息
current}}testt-->-->{{key}}({{value}})//varecharts=require('echarts')import{getPlantBases}from'@/api/ta
ble
'import
米老鼠的摩托车日记
·
2024-03-16 12:18
vue2
vue.js
百度
javascript
关系型数据库和非关系型数据库
数据以表(Ta
ble
)的形式组织,每个表包含多个行(Row)和列(Column)。表之间通过关系(Relationship)建立连接,通过主
二月小记
·
2024-03-16 11:46
数据库
nosql
RxSwift如何选择操作符?
amb多个Observa
ble
s中,取第一个发出元素的Observa
ble
buffer缓存元素当元素达到某个数量,然后将元素集合发送出来catchError拦截一个error事件,将他替换成其他的元素或一组元素
MMD_
·
2024-03-16 09:20
Centos8安装Docker,使用阿里云源
一、前期准备1.关闭防火墙,SELINUXsystemctlstopfirewalld.servicesystemctldisa
ble
firewalld.servicesetenforce0sed-i"s
l1677516854
·
2024-03-16 07:40
系统搭建
docker
阿里云
容器
YOLOv9改进 添加可变形注意力机制DAttention
一、Deforma
ble
AttentionTransformer论文论文地址:arxiv.org/pdf/2201.00520.pdf二、Deforma
ble
AttentionTransformer注意力结构
学yolo的小白
·
2024-03-16 05:06
UPgrade
YOLOv9
YOLO
python
目标检测
pytorch
SpringBoot+vue实现跨域文件上传,并在linux上搭建tomcat文件服务器
请求实现文件上传,其它前端框架调用方式也是与此类似首页用户信息选取文件只支持上传.jpg文件取消确定exportdefault{name:"",data(){return{dialogFormVisi
ble
刘在心中-Dennis
·
2024-03-16 04:05
spring
boot
tomcat
java
java变长参数_Java可变长度参数
术语“varargs”是”varia
ble
-lengtharguments”(可变长度参数)的缩写。可变长度参数声明一个接受可变数量的参数(或参数)的方法或构造函数。
kitenancy
·
2024-03-15 22:57
java变长参数
ubuntu20.04安装fpylll
GMPorMPIRforarbitraryprecisionintegerarithmetic.MPFRforarbitraryprecisionfloatingpointarithmetic.QDfordou
ble
dou
ble
andquaddou
ble
arithmetic
微凉_z
·
2024-03-15 15:16
密码学
python
pytest
virtualenv
pip
fpylll
密码学
3 HTML5 svg
SVG:Scala
ble
VectorGraphics;//可缩放矢量图形->svg图像放大情况下图形质量不会损失(失真);-->应用场景:图表、动画、矢量图(点/线/面,形成的基本图形)、常用于制作图标
官清岁月
·
2024-03-15 12:44
HIVE表中导入导出数据的几种方式
一:往HIVE表中导入导出数据语法结构:[]带括号的表示可选择字段LOADDATA[LOCAL]INPATH‘filepath’[OVERWRITE]INTOTA
BLE
ta
ble
name[PARTITION
qq_37805784
·
2024-03-15 12:11
hive
大数据
数据仓库
mysql 表的约束
CREATETA
BLE
myclass(class_nameVAR
yualian
·
2024-03-15 08:06
mysql
数据库
JS判断对象是否含有某个属性
需要经常判断对象中是否含有某个属性,以下提供三个方案:1、方案一consttestObj={a:10,c:'123'};Object.defineProperty(testObj,'b',{enumera
ble
cobek
·
2024-03-15 07:34
JavaScript
javascript
前端
开发语言
flex布局
概述:flex全称为flexi
ble
box译为弹性布局flex布局生效后子元素的floatvertical-alignclear属性将失效flex布局应写给父元素采用Flex布局的元素,称为Flex容器
甜柚小仙女
·
2024-03-14 23:52
Simple and Scala
ble
Strategies to Continually Pre-train Large Language Models
SimpleandScala
ble
StrategiestoContinuallyPre-trainLargeLanguageModels相关链接:arxiv关键字:LargeLanguageModels
liferecords
·
2024-03-14 20:18
LLM
语言模型
深度学习
神经网络
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
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