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BLE(低功耗)蓝牙开发
Qt-designer尺寸排版问题解决方案-自适应解决方案
解决方法在main方法前,加入代码:QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_Ena
ble
HighDpiScaling)完美解决个人声
顺利毕业(研)
·
2024-03-06 05:27
个人问题
qt
开发语言
微信小程序配置
在app.json中,可以使用ena
ble
PullDownRefresh字段来配置是否支持下拉刷新,该字段的值为布尔类型。
我爱学习yq
·
2024-03-06 04:56
微信小程序
小程序
mysql联合查询原理_Mysql 多表联合查询效率分析及优化
1.多表连接类型1.笛卡尔积(交叉连接)在MySQL中可以为CROSSJOIN或者省略CROSS即JOIN,或者使用','如:SELECT*FROMta
ble
1CROSSJOINta
ble
2SELECT
郁清叔叔
·
2024-03-06 02:24
mysql联合查询原理
力扣爆刷第85天之hot100五连刷11-15
11-15一、239.滑动窗口最大值二、76.最小覆盖子串三、53.最大子数组和四、56.合并区间五、189.轮转数组一、239.滑动窗口最大值题目链接:https://leetcode.cn/pro
ble
ms
当年拼却醉颜红
·
2024-03-06 01:23
力扣算法题
leetcode
算法
职场和发展
MongoDB聚合运算符:$cosh
语法{$cosh:}为可被解析为数值的表达式$cosh返回弧度,使用$radiansToDegrees运算符可以把弧度转换为角度$cosh默认返回双精度数dou
ble
,如果表达式解析为128-bitdecimal
原子星
·
2024-03-05 22:48
mongodb
mongodb
数据库
element ui 清除el-ta
ble
排序高亮状态
1:需求背景:排序后,切换日期或其他条件重新渲染表格数据,这时候需要去除排序箭头高亮样式,如下图:两步解决以上问题:2:1、第一步:增加ref="ta
ble
1"3、第二步,clearSort(如果表格用了
猕猴桃-HR
·
2024-03-05 21:46
vue
vue.js
elementui
javascript
python defaultdict
通常表示为dict(key:val,…),有以下特征:键可以是任何不可变(immuta
ble
)数据类型(不
Wwwilling
·
2024-03-05 15:39
python
开发语言
c# Excel转换成DataTa
ble
//////Excel转换成DataTa
ble
(.xls)//////Excel文件路径///publicstaticDataTa
ble
ExcelToDataTa
ble
(stringfilePath){
vbloveshllm
·
2024-03-05 12:04
c#
excel
java
运维随录实战(5)之centos搭建jenkins
maven环境-》版本maven3.8.8git-》版本1.8.3.1yuminstallgitjenkins安装版本:2.414.3下载地址:https://get.jenkins.io/war-sta
ble
Loren_云淡风轻
·
2024-03-05 10:32
运维
jenkins安装
转载--OpenAI视频生成模型Sora的全面解析:从ViViT、Diffusion Transformer到NaViT、VideoPoet
SVD、Pika1.0》)才过去三个月,没想OpenAI一出手,该领域又直接变天了自打2.16日OpenAI发布sora以来(其开发团队包括DALLE3的4作TimBrooks、DiT一作BillPee
ble
s
依然风yrlf
·
2024-03-05 09:02
人工智能
深入探究Java中equals()和==的区别是什么
=="判断基本类型是否相等.首先基本数据类型指的是Java中的八大数据类型:byte,short,int,long,float,dou
ble
,char,boolean这八大基本数据类型有个共同的特点是它们在内存中是有具体值的
4553675200ad
·
2024-03-05 09:30
解释性AI的基础介绍
何为解释性AI解释性AI(eXplaina
ble
AI,XAI)是指一种使AI系统的决策过程更加透明、可理解的技术。
む妖饰千年ょ乱一世浮华
·
2024-03-05 08:30
人工智能
学习
ai
CSS 预处理器语言Less
Less安装通过[npm](https://www.npmjs.org/)安装Less转换为CSS变量(Varia
ble
s)注释(Comments)混合(Mixins)嵌套(Nesting)1.选择器嵌套
繁星学编程
·
2024-03-05 07:28
CSS
css
less
前端
vue3配合naive-ui的虚拟表格显示超过1000条数据,并且带有单选按钮
父组件import{h,ref}from"vue";importtype{DataTa
ble
Columns}from"naive-ui";importHomeViewfrom".
沙滩上的一颗石头
·
2024-03-05 05:56
ui
vue.js
javascript
sql where 1=1和 0=1 的作用(多条件查询错误的问题)
在多条件查询中的困扰举个例子,如果您做查询页面,并且,可查询的选项有多个,同时,还让用户自行选择并输入查询关键词,那么,按平时的查询语句的动态构造,代码大体如下:stringMySqlStr=”select*fromta
ble
where
风清扬-独孤九剑
·
2024-03-05 04:55
mysql
mysql
数据
数据库
2018-04-02 tensorflow Classification
in_size,out_size,activation_function=None,):#addonemorelayerandreturntheoutputofthislayerWeights=tf.Varia
ble
DIO哒
·
2024-03-05 02:17
[R] dercribe: to get the mean and sd, and print with paste
Usingthecommanddescribe,tellwhatisthestandarddeviationandthemeanGPAofthestudentsinYear4(GE_survey_Y4)#thevaria
ble
nameisQ19
EricWang1358
·
2024-03-04 20:16
R
r语言
开发语言
【图像拼接/视频拼接】论文精读:Efficient Video Stitching Based on Fast Structure Deformation
专栏的相关说明,包含专栏使用说明、创新思路分享等(不定期更新)图像拼接系列相关论文精读SeamCarvingforContent-AwareImageResizingAs-Rigid-As-Possi
ble
ShapeManipulationAdaptiveAs-Natural-As-Possi
ble
Imag
十小大
·
2024-03-04 16:40
图像拼接论文精读
计算机视觉
图像拼接
image
stitching
video
stitching
论文阅读
论文笔记
音视频
python入门第十六节
函数自定义函数格式return用法文档注释常用函数help([object])abs(x)divmod(a,b)max(itera
ble
[,key,default])/max(arg1,arg2,*args
龙_尧
·
2024-03-04 15:07
python
开发语言
windows
Windows版nacos启动报错(nacos安装路径问题)
、出错日志ErrorstartingApplicationContext.Todisplaytheconditionsreportre-runyourapplicationwith'debug'ena
ble
d
星牛君
·
2024-03-04 13:05
java
nacos
c语言求N分之一序列前N项和
输入样例:6输出样例:sum=2.450000#includeintmain(){intn;dou
ble
sum=0;scanf("%d",&n);for(;n>=1;n--){su
不太爱喝水
·
2024-03-04 12:04
c语言pta题目
c语言
算法
零基础十分钟一键云端部署Sta
ble
Difussion绘图
零基础十分钟一键云端部署Sta
ble
Difussion绘图Sta
ble
Diffusion是当前最火的AI绘画软件之一,和另外一款AI绘图软件Midjourney相比,Sta
ble
Diffusion最大的好处是
「已注销」
·
2024-03-04 11:34
人工智能
深度学习
ai
bochs安装中遇到的问题
在编译bochs时使用的配置包含--ena
ble
-debugger时,make时报错:gtk_enh_dbg_osdep.cc:20:21:错误:gtk/gtk.h:没有那个文件或目录反复确认各种软件包都已经安装并且存在
Woodlouse
·
2024-03-04 10:02
sql注入之post 传参方式的注入
or1=1#sqlmap之post注入1:将变量参数位置加*uname=name*在sqlmap安装目录下面新建文本文件为x.txtpythonsqlmap.py-rr.txt--dbs-Ddn--ta
ble
s-Ddn-Ttn
西蒙娜
·
2024-03-04 08:59
sql
weak的实现原理
/**全局的弱引用表,本质是一个hash结构,对象本身作为key,存储weak修饰的指针地址的weak_entry_t作为value*/structweak_ta
ble
_t{//保存了所有指向特地对象的
猴叻鳢
·
2024-03-04 08:58
iOS核心知识点
objective-c
weak
原理
面试
内存管理
Sta
ble
Diffusion 3正式发布,旨在巩固其在AI图像领域相对于Sora和Gemini的领先地位
订阅:https://rengongzhineng.io/StabilityAI最近宣布推出Sta
ble
Diffusion3(简称SD3),这是该
新加坡内哥谈技术
·
2024-03-03 20:43
人工智能
【MySQL】查询varchar类型字段的内容不包含数字内容
问题描述某些情况下需要查询varchar类型字段的内容为特殊内容时SQL语句主要是通过NOTREGEXP和正则表达式来实现,也可以调整正则表达式满足不同效果SELECT*FROMyour_ta
ble
WHEREyour_columnNOTREGEXP
忆白笙
·
2024-03-03 20:12
MySQL
mysql
数据库
学习Android的第十九天
目录AndroidExpanda
ble
ListView分组列表Expanda
ble
ListView属性Expanda
ble
ListView事件Expanda
ble
ListView的Adapter范例参考文档
Java'
·
2024-03-03 11:30
Android
学习
android
InsCode是一个集成了在线IDE、在线AI编程、在线算力租赁、在线项目部署以及在线SD 模型使用的综合代码开发平台。
一、Sta
ble
Diffusion模型在线使用InsCode是一个集成了在线IDE、在线AI编程、在线算力租赁、在线项目部署以及在线SD模型使用的综合代码开发平台。
zhangchengji1
·
2024-03-03 07:54
inscode
AI编程
stable
diffusion
【Hadoop】在spark读取clickhouse中数据
读取clickhouse数据库数据importscala.collection.muta
ble
.ArrayBufferimportjava.util.Propertiesimportorg.apache.spark.sql.SaveModeimportorg.apache.spark.sql.SparkSessiondefgetCKJdbcProperties
方大刚233
·
2024-03-03 06:54
Hadoop
Scala
hadoop
spark
clickhouse
【改进算法】【IHAOAVOA】天鹰优化算法和非洲秃鹫混合优化算法
IHAOAVOA:AnimprovedhybridaquilaoptimizerandAfricanvulturesoptimizationalgorithmforglobaloptimizationpro
ble
ms
科研工作站
·
2024-03-03 05:53
智能算法
算法
智能算法
天鹰优化算法
非洲秃鹫算法
gyp verb check python checking for Python executa
ble
“python2“ in the PATH
下载了vue2的脚手架工程:https://github.com/PanJiaChen/vue-admin-templatenpminstall的时候出现了异常:node-sass安装报错,缺少Python2环境npmERR!code1npmERR!pathD:\07_project_front\online_edu_front\node_modules\node-sassnpmERR!comma
xharvard
·
2024-03-03 02:20
vuejs
npm
vue.js
前端
Mysql8.0 数据库表的基本操作
1,创建表CREATETA
BLE
表名称(字段名1数据类型,字段名2数据类型,字段名3数据类型,)mysql>createta
ble
tb_student(->sidINT,->snameVARCHAR(20
xharvard
·
2024-03-03 01:18
数据库
Qt常用的多线程使用方式
1、派生于QThread然后重写run()函数2、通过将派生QObject的类对象通过moveToThread()来移动到新的线程中3、通过inheritQRunna
ble
类然后重写run()方法、然后借助
一支春夏、几多秋冬
·
2024-03-03 00:17
Qt
qt
多线程
QThread
QtConcurrent
QThreadPool
线程池
[R] count the number of numeric columns: sapply & lapply
sapplyQuestion7:Thecodeforcountingnumericalvaria
ble
sisincorrect.Youshouldusesapplyandsumtocountthenumberofnumericcolumns.num_vars
EricWang1358
·
2024-03-02 23:15
R
r语言
开发语言
[R] compare the sum, and report with if{}else if{}
YoumayneedtocomparethefrequencyofinquiriesaboutgradedistributionandteachingstyleintheGE_surveydataset.Assumingyouhavevaria
ble
sinyourdatasetthatrepresenttheseinquiries
EricWang1358
·
2024-03-02 23:15
R
r语言
java对接第三方接口的三种方式
经常需要跟第三方系统对接,我们做为客户端,调用他们的接口进行业务处理,常用的几种调用方式有:1.原生的Java.net.HttpURLConnection(jdk);2.再次封装的HttpClient、Closea
ble
HttpClient
codeer力
·
2024-03-02 20:11
java
java
开发语言
golang ES 聚合查询
=0){dou
ble
price=0.000001;if(doc['discount_price'].siz
走在下雨天的人
·
2024-03-02 20:10
golang
elasticsearch
数据库
Python 的映射数据类型有哪些?零基础小白入门学习必看
1映射类关系Python的collections.abc模块内拥有Mapping和Muta
ble
Mapping这两个抽象基类,它们为dict和其他类似的类型提供了接口定义。
python阿喵
·
2024-03-02 17:37
分布式ID选型对比(2)
:mysqlmysql-connector-java8.0.19org.mybatis.spring.bootmybatis-spring-boot-starter2.2.2二,新建表CREATETA
BLE
qq_35255384
·
2024-03-02 17:35
框架部分
特定功能
springboot
分布式
分布式ID
分布式ID选型对比(4)
百度UIDgenerator一,创建表:worker_node(在项目启动时初始化生成workId)CREATETA
BLE
`worker_node`(`ID`bigintNOTNULLAUTO_INCREMENTCOMMENT'autoincrementid
qq_35255384
·
2024-03-02 17:35
框架部分
特定功能
springboot
分布式
分布式ID
车规级专用芯片技术中的NCV8705MT33TCG 超低噪音 LDO稳压器,为用户带来了前所未有的智能体验!
关于车规级芯片(AutomotiveGradeChip):车规级芯片是专门用于汽车行业的芯片,具有高可靠性、高稳定性和
低功耗
等特点,以满足汽车电子系统的严格要求。
Hailey深力科
·
2024-03-02 15:32
NCV8705MT33TCG
深力科NCV8705
深力科LDO
稳压器
安森美深力科
深力科车规级芯片
h5兼容问题记录
弹窗滚动下面跟着滚动IOS-body添加和释放overflow:hiddenAndroid-https://www.npmjs.com/package/body-scroll-lockimport{disa
ble
BodyScroll
森林里的小姑娘
·
2024-03-02 14:31
前端
h5
兼容
单例模式之枚举
有的类加载时就初始化,浪费内存有的不保证多线程安全有的因为加了synchronized同步锁导致并发效率较低以上的单例模式都能通过反射,反序列化,克隆等方式被破坏publicclassSingletonTestDou
ble
CheckimplementsClonea
ble
HeroNet2010
·
2024-03-02 11:58
Java
单例模式
java
Filebeat将csv导入es尝试
一、安装在docker中安装部署ELK+filebeat二、主要配置-type:log#Changetotruetoena
ble
thisinputconfiguration.ena
ble
d:true#Pathsthatshouldbecrawledandfetched.Globbasedpaths.paths
白毛大侠
·
2024-03-02 08:52
elasticsearch
大数据
搜索引擎
hadoop启动报错处理
1.hadoop启动报错1.1.问题1util.NativeCodeLoader:Una
ble
toloadnative-hadooplibraryforyourplatform...usingbuiltin-javaclasseswhereapplica
ble
akuibpt23191
·
2024-03-02 08:51
大数据
操作系统
vue3实现表格单元格可编辑
需要达到的效果:方案一由于项目使用的是element-ui,所以一开始想到的就是去ta
ble
组件找有没有能满足此需求的属性。没想到还真有(cell-dblclick)。
HuaHua·Li
·
2024-03-02 07:50
javascript
vue.js
前端
elementui
vue3+ts实现图片预览功能
{type:String,required:true,},previewSrc:{type:String,required:true,},},setup(props){constpreviewVisi
ble
前端fighter
·
2024-03-02 07:49
vue.js
javascript
前端
[工具探索]-Gitlab的CI/CD操作
下面是一个简单的.gitlab-ci.yml文件的例子#.gitlab-ci.ymlstages:-build-test-deployvaria
ble
s:#定义环境变量DATABAS
ifanatic
·
2024-03-02 06:18
容器
gitlab
ci/cd
git
160. Intersection of Two Linked Lists
Pro
ble
mWriteaprogramtofindthenodeatwhichtheintersectionoftwosinglylinkedlistsbegins.Notes:Ifthetwolinkedlistshavenointersectionatall
SilentDawn
·
2024-03-02 04:35
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