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低功耗蓝牙(BLE)
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
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
Android 获取资源文件 r.drawa
ble
中的图片转换为drawa
ble
、bitmap
Android获取资源文件r.drawa
ble
中的图片转换为drawa
ble
、bitmap转载自http://blog.csdn.net/u013096866/article/details/445161631
龙先森
·
2024-03-02 02:13
android
资源文件转换为bitmap
图片
Android RecyclerView缓存机制
在它简单的使用方式之下着实是不简单,首先我们看一下官方对它的介绍:Aflexi
ble
viewforprovidingalimitedwindowintoalargedataset.很简单,就一句话「为大量数据集提供一个有限的展示窗口的灵活视图
Bfmall
·
2024-03-02 01:42
mysql数据库 - 统诉
1、DDL-数据库操作showdatabases;createdatabase数据库名use数据库名selectdatabase()dropdatabase数据库名2、DDL-表操作showta
ble
s
隐藏玩家
·
2024-03-02 00:11
数据库
mysql
oracle
spring常用注解总结
这个注解整合了@Configuration、@Ena
ble
AutoConfiguration和@ComponentScan注
爱写代码的小R
·
2024-03-01 23:39
Spring
spring
java
后端
python鼠标移动事件_python+selenium 鼠标事件操作方法
ActionChains类提供了鼠标操作的常用方法:perform()执行所有ActionChains中存储的行为context_click()右击dou
ble
_click(
weixin_39905037
·
2024-03-01 23:39
python鼠标移动事件
abrt-server导致数据库宕机
32db1abrt-hook-ccpp:Process59611(ocssd.bin)ofuser1000killedbySIGABRT-dumpingcoreJul2000:18:32db1abrt-server:Executa
ble
bestsun999
·
2024-03-01 22:38
Linux
Oracle_19c
数据库
linux
el-ta
ble
取消鼠标移入时变色
::v-deep.el-ta
ble
--ena
ble
-row-hover.el-ta
ble
__bodytr:hover>td{background-color:transparent;}
大可-
·
2024-03-01 21:07
vue.js
javascript
elementui
mysql5.7执行sql语句报错:In aggregated query without GROUP BY, expression #1 of SELECT list contains nonagg
InaggregatedquerywithoutGROUPBY,expression#1ofSELECTlistcontainsnonaggregatedcolumn'yunva_changke.u.user_id';thisisincompati
ble
withsql_mode
史庆雨
·
2024-03-01 17:20
【力扣白嫖日记】570.至少有5名直接下属的经理
前言练习sql语句,所有题目来自于力扣(https://leetcode.cn/pro
ble
mset/database/)的免费数据库练习题。
Gary.Li
·
2024-03-01 16:59
力扣刷题
leetcode
数据库
sql
centos7安装rabbitmq
执行命令yum-yinstallepel-releaseyumupdateyum-yinstallrabbitmq-server启用web插件rabbitmq-pluginsena
ble
rabbitmq_management
SangBigYe
·
2024-03-01 14:56
linux
rabbitmq
分布式
ansi
ble
playbook剧本
Ansi
ble
的Playbook一、playbook概述什么是playbookPlayBook即"剧本","兵书"之意,PlayBook是由以下部分组成的play(host):定义的是主机的角色。
小枫呀
·
2024-03-01 04:12
自动化运维工具
centos
linux
运维
使用Qt 6创建第一个CMAKE项目
CMakeLists.txt和main.cxxCMkeLists.txtcmake_minimum_required(VERSION3.15)project(TestLANGUAGESCXX)add_executa
ble
大白菜66
·
2024-03-01 03:11
Qt
C++
c++
cmake
qt
【大数据】Flink SQL 语法篇(七):Lookup Join、Array Expansion、Ta
ble
Function
共包含以下10篇文章:FlinkSQL语法篇(一):CREATEFlinkSQL语法篇(二):WITH、SELECT&WHERE、SELECTDISTINCTFlinkSQL语法篇(三):窗口聚合(TUM
BLE
G皮T
·
2024-03-01 02:40
#
Flink
SQL
大数据
flink
sql
Lookup
Join
Array
Expansion
Table
Function
维表
Join
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