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低功耗蓝牙(BLE)
Ble
nder学习方法与技巧
以下是针对
Ble
nder零基础用户的学习教程推荐与高效学习方法总结,结合了多个优质资源整理而成,帮助快速入门:一、
Ble
nder学习方法与技巧制定学习计划与目标明确短期目标(如掌握基础操作)和长期目标(
自动化专业爱好者
·
2025-03-18 01:16
网络
GBase 8c慢日志启用和查询
慢日志配置和使用方法如下:1、慢日志配置(1)相关GUC参数GBase8c慢日志主要相关配置参数为:ena
ble
_stmt_trackon:默认值,启用Full/Sl
GBASE数据库
·
2025-03-17 23:07
数据库
GBASE南大通用
sql
GBase
GBASE 8C——SQL参考6 sql语法(15
语法格式STARTTRANSACTION[transaction_mode[,...]]其中transaction_mode是下列之一:ISOLATIONLEVEL{SERIALIZA
BLE
|REPEATA
BLE
READ
m0_49291452
·
2025-03-17 23:32
GBASE 8C——SQL参考6 sql语法(2)
语法格式ALTERINDEX[IFEXISTS]nameRENAMETOnew_nameALTERINDEX[IFEXISTS]nameSETTA
BLE
SPACEta
ble
space_nameALTERINDEXnameDEPENDSONEXTENSIONextension_nameALTERINDEX
aisirea
·
2025-03-17 23:01
数据库
sql
MYSQL数据备份与恢复(mysqldump)
MySQL备份之mysqldump表级别备份还原格式:mysqldump[OPTIONS]database[ta
ble
s]实例:把db_user数据库中的tb_student数据表进行备份备份:#mysqldumpdb_usertb_student
一诚学编程
·
2025-03-17 23:29
mysql
mysql
数据库
linux
adb
Oracle-表空间/用户的创建与使用
--对象--需要create的都是对象已学的对象:表ta
ble
--普通用户只能查询user开头的数据字典selectta
ble
space_namefromuser_ta
ble
spaces;--dba用户才能够查询
一诚学编程
·
2025-03-17 22:58
oracle
Markdig:强大的.NET Markdown处理器
Markdig:强大的.NETMarkdown处理器markdigAfast,powerful,CommonMarkcompliant,extensi
ble
Markdownprocessorfor.NET
牧爱颖Kelvin
·
2025-03-17 22:23
基于多向量检索器的多模态RAG实现:用于表格、文本和图像
原文地址:Multi-VectorRetrieverforRAGonta
ble
s,text,andimages2023年10月20日概括跨不同数据类型(图像、文本、表格)的无缝问答是RAG追求的目标之一
lichunericli
·
2025-03-17 21:44
人工智能
自然语言处理
YashanDB用户表空间管理
关于表空间管理的详细语法描述请参考开发手册CREATETA
BLE
SPACE、ALTERTA
BLE
SPACE、DROPTA
BLE
SPACE。
·
2025-03-17 20:27
数据库
Spring事务失效,常见的情况有哪些?
种情况未启用spring事务管理功能方法不是public类型的数据源未配置事务管理器自身调用问题异常类型错误异常被吞了业务和spring事务代码必须在一个线程中1.1、未启用spring事务管理功能@Ena
ble
TransactionManagement
·
2025-03-17 20:21
后端spring
EXCEL 读写文件xlrd,xlwt, xlsxwriter
1.xlrd读EXCELimportxlrdxlsx=xlrd.open_workbook('d:/表格1.xlsx')ta
ble
=xlsx.sheet_by_index(0)#通过sheet名查找:xlsx.sheet_by_name
jiahuip
·
2025-03-17 20:07
【常见的排序算法有哪些】
一、冒泡排序(Bub
ble
Sort)设计思想:像气泡上浮,两两比较相邻元素,顺序错误就交换,直到整个数组有序。
F_windy
·
2025-03-17 19:06
排序算法
算法
YashanDB用户表空间管理
关于表空间管理的详细语法描述请参考开发手册CREATETA
BLE
SPACE、ALTERTA
BLE
SPACE、DROPTA
BLE
SPACE。
·
2025-03-17 19:45
数据库
python绘制密度散点图
importmatplotlib.pyplotaspltfromscipy.statsimportgaussian_kdefrommpl_toolkits.axes_grid1importmake_axes_locata
ble
importnumpyasnpimportpandasaspdfromdbfreadimportDBFdata
龟速前进
·
2025-03-17 18:57
anaconda
可视化
python
python colorama_Python colorama 模块 使用 说明
1Colorama模块说明在上篇博客我们了解了prettyta
ble
的使用,如下:https://www.cndba.cn/cndba/dave/article/3564使用prettyta
ble
模块之后
weixin_39682697
·
2025-03-17 18:25
python
colorama
苹果审核:2.1性能完整性被拒解决
Guideline2.1-Performance-AppCompleteness(a)SubmissionstoAppReview,includingappsyoumakeavaila
ble
forpre-order
#摩斯先生
·
2025-03-17 17:48
iOS
ios
6-数组-
一-一维数组1-数组定义数组的定义方式和变量类似#includeusingnamespacestd;intmain(){inta[100],b[20];floatf[3];dou
ble
d[7];charc
重生之我是冯诺依曼
·
2025-03-17 16:38
C++
c++
(十一)CSharp-LINQ-标准查询运算符(3)
一些运算符返回Ienumera
ble
对象(或其他序列),而其他运算符返回标量。返回标量的运算符立即执行查询,并返回一个值,而不是一个可枚举类型对象。
CRongQ
·
2025-03-17 13:16
CSharp
linq
c#
R语言使用ta
ble
1包绘制(生成)三线表实战:单变量分列构建三线表、编写自定义函数在三线表中添加p值
R语言使用ta
ble
1包绘制(生成)三线表实战:单变量分列构建三线表、编写自定义函数在三线表中添加p值目录R语言使用ta
ble
1包绘制(生成)三线表、使用单变量分列构建三线表、编写自定义函数在三线表中添加
statistics.insight
·
2025-03-17 12:12
R语言入门课
r语言
数据挖掘
机器学习
中断向量表
中断向量表(InterruptVectorTa
ble
,IVT)是单片机(或处理器)中实现中断机制的核心数据结构,其作用类似于硬件与中断服务程序(ISR)之间的"导航地图"。
Cold_Johnsnow
·
2025-03-17 11:07
stm32
arm体系结构与编程
驱动
arm开发
驱动开发
windows安装es怎么在后台运行_Windows-ElasticSearch安装和启动
解压开即安装完毕,解压后的ElasticSearch的目录结构如下:修改elasticsearch配置文件,config/elasticsearch.yml文件,增加文件内容如下:http.cors.ena
ble
d
weixin_39531037
·
2025-03-17 11:36
rStar论文精读
论文简介论文标题:《MutualreasoningmakessmallerLLMsstrongerpro
ble
m-solvers》论文地址:https://arxiv.org/abs/2408.06195
MoyiTech
·
2025-03-17 11:33
推理模型
OpenAI-O1原理
803A. Maximal Binary Matrixcon
题目链接:https://codeforces.com/pro
ble
mset/pro
ble
m/803/Atimelimitpertest:1second;memorylimitpertest:256megabytesYouaregivenmatrixwithnrowsandncolumnsfilledwithzeroes.Youshouldputkonesinitinsuchawaythatthe
弗雷德的青蛙
·
2025-03-17 11:33
python
constructive
算法
在使用selenium进行爬虫时, add_experimental_optio(),add_argument()的用法
driver.add_experimental_option('excludeSwitches',['ena
ble
-automation'])是在使用SeleniumWebDriver与浏览器交互时设置的一行代码
数据牧马人
·
2025-03-17 11:32
selenium
爬虫
测试工具
hive-进阶版-1
Hive支持内部表(ManagedTa
ble
)和外部表(ExternalTa
ble
)两种表类型,它们在数据存储、管理方式和生命周期等方面存在显著区别。
数据牧马人
·
2025-03-17 10:59
hive
hadoop
数据仓库
linux的防火墙(ipta
ble
s)
防火墙的作用:linux防火墙主要是工作在网络层,针对TCP/IP数据包实施过滤和限制,属于典型的包过滤防火墙(或者为网络层防火墙)linux的防火墙分为两种,分别为netfiter和ipta
ble
s,
JM丫
·
2025-03-17 09:49
linux
centos
MySQL UPDATE 更新操作详解
语法结构MySQL的UPDATE语句的基本语法如下:UPDATEta
ble
_nameSETcolumn1=value1,column2=value2,..
wjs2024
·
2025-03-17 08:41
开发语言
Python进行DevOps实践
例如,可以使用fabric或paramiko等库来远程执行命令,或者使用Ansi
ble
这样的自动化工具,它本身使用Python编写,并提供了丰富的
黑夜照亮前行的路
·
2025-03-17 07:09
python
devops
开发语言
postgresql 数据库使用
目录索引查看索引创建删除索引修改数据库时区索引查看索引 select*frompg_indexeswhereta
ble
name='t_ta
ble
_data'; 或者select*frompg_statio_all_indexeswhererelname
what_2018
·
2025-03-17 07:09
数据库
数据库
postgresql
oracle
mysql创建新表,同步数据
importosimportargparseimportglobimportcv2importnumpyasnpimportonnxruntimeimporttqdmimportpymysqlimporttimeimportjsonfromdatetimeimportdatetimeos.environ[“CUDA_VISI
BLE
_DEVICES
hitsz_syl
·
2025-03-17 07:37
mysql
数据库
C# WinForm【DataTa
ble
分页查询与数据导出到Excel】
准备:主要控件saveFileDialog保存文件bindingNavigator分页控件bindingSource绑定数据源引用命名空间usingSystem;usingSystem.Data;usingSystem.Windows.Forms;usingExcel=Microsoft.Office.Interop.Excel;usingSystem.Data.SqlClient;namespa
Easonflowers
·
2025-03-17 06:56
VS实战
c#
excel
python:内存泄漏测试
#测试内存泄露#importgc#gc.ena
ble
()#gc.set_debug(gc.DEBUG_LEAK)#gc.collect()#start=len(gc.garbage)#printaDict
weixin_34163741
·
2025-03-17 06:56
python
C# DataTa
ble
导出CSV 文件并在客户端下载
publicstaticboolExportToCSV(System.Data.DataTa
ble
dt){stringstrLine="";stringpathFile=String.Format("{
茶暖人凉
·
2025-03-17 06:24
c#
excel
面向实战的 nfta
ble
s 防火墙配置指南:从入门到高级
目录初步准备:基础概念与常见命令场景一:基础服务器防火墙(过滤规则)场景二:NAT网关(SNAT/MASQUERADE/DNAT/端口转发)场景三:黑名单/白名单/大量IP的批量管理场景四:记录日志与限速(log/limit/meter)场景五:仅允许特定网卡或特定连接状态(iif/oif/ctstate)场景六:桥接防火墙、VLAN与ingress过滤(bridge/vlan/ingress)场
小白也有IT梦
·
2025-03-17 05:50
Linux
Linux
防火墙
nftables
HarmonyOS NEXT应用开发之适配挖孔屏案例
实现思路通过setWindowLayoutFullScreen、setWindowSystemBarEna
ble
将窗口设置为全屏,并且隐藏顶部状态栏。
2401_89191552
·
2025-03-17 04:09
harmonyos
华为
python调用MySql存储过程
环境:1.mysql5.0或者以上支持存储过程的版本2.安装MySQL-python,目前支持到2.x步骤:一.数据库准备1.建立表CREATETA
BLE
`Account`(`id`BIGINT(20)
weixin_30667649
·
2025-03-17 04:07
数据库
python
adobe软件提示This non-genuine Adobe app will be disa
ble
d soon
Thisnon-genuineAdobeappwillbedisa
ble
dsoonNon-genuineappsmaycontainmalwarethatexposesyourorganisationanditsfilestosecurityrisks.Adobeprovidesa10
刘登辉
·
2025-03-17 03:32
adobe
树莓派搭php,Raspberry Pi 树莓派搭LAMP服务器
DebianLinux安全性操作系统性能优化配置网络开启sshMakingtheserveravaila
ble
ontheInternetDNS安装apache安全MySQL安装PHP配置完成本文将会介绍如何把树莓派配置为一台
平平无奇的美女
·
2025-03-17 03:30
树莓派搭php
kubeadm安装k8s v1.20集群
IPk8s-master172.16.10.50k8s-node1172.16.10.51k8s-node2172.16.10.52关闭防火墙:$systemctlstopfirewalld$systemctldisa
ble
小腿乱蹬~
·
2025-03-17 02:25
k8s
学习
kubernetes
docker
C# WebAPI的几种返回类型方式
ApiController][Route("[controller]")]publicclassWeatherForecastController:ControllerBase{[HttpGet]publicIEnumera
ble
Get
她说彩礼65万
·
2025-03-17 02:24
c#
http
lighttpd安装和配置https
aptinstalllighttpdapt-getinstallphp-cgilighttpd-ena
ble
-modfastcgifastcgi-phpservicelighttpdforce-reloadlighttpd
hailangnet
·
2025-03-17 02:22
Debian笔记
https
http
lighttpd
一.ffmpeg打开麦克风,录制音频并重采样
一.windowswindows下使用msys编译ffmpeg,先编译libx264和libx265,然后编译ffmpeg的时候需要添加这两个库的路径才能--ena
ble
;为什么ffplay--ena
ble
djykkkkkk
·
2025-03-17 01:16
ffmpeg学习
ffmpeg
音视频
Codeforces 158B. Taxi
题目题目链接:https://codeforces.com/pro
ble
mset/pro
ble
m/158/Btimelimitpertest:3seconds;memorylimitpertest:256megabytesAfterthelessonsngroupsofschoolchildrenwentoutsideanddecidedtovisitPolycarpustocelebratehi
弗雷德的青蛙
·
2025-03-17 00:14
python
贪心算法
查看debian的版本信息
查看debian具体版本信息cat/etc/debian_version12.9其他❯lsb_release-aNoLSBmodulesareavaila
ble
.DistributorID:DebianDescription
翻滚吧键盘
·
2025-03-17 00:12
Debian12使用日记
debian
chrome
运维
Java Scanner 类
Scanner类可以读取int、long、float、dou
ble
和String等基本类型。它还可以使用正则表达式读取
大哥的打嗝
·
2025-03-17 00:08
JAVA
java
jvm
开发语言
Rpm安装Docker
然后浏览到x86_64/sta
ble
/Packages/,下载您想要安装的Docker版本的.rpm文件#已Centos7.9为例mk
星光落入你灰蒙蒙的眼
·
2025-03-16 22:57
Docker
docker
linux
运维
容器
kubernetes
centos 8 安装docker(RPM离线)——k8s和docker系列
然后浏览x86_64/sta
ble
/Packages/并下载.rpm要安装的Docker版本的文件。笔记要安装每晚或测试(预发布)包,stab
名栩
·
2025-03-16 22:26
#
容器
docker
linux
centos
MATH2110 - STATISTICS 3
TheUniversityofNottinghamSCHOOLOFMATHEMATICALSCIENCESSPRINGSEMESTERSEMESTER2025MATH2110-STATISTICS3Coursework1Deadline:3pm,Friday14/3/2025Yourneat,clearly-legi
ble
solutionsshouldbesubmittedelectronical
·
2025-03-16 21:37
前端后端
【SpringMVC】常用注解:@MatrixVaria
ble
1.作用接收矩阵变量传送的值或许有人听都没听过矩阵变量是什么,下面来介绍一下矩阵变量是一种在URL路径中传递多个键值对参数的方式,它是在Servlet规范之外的一种扩展机制,可用于更灵活地传递参数。例如:/cars;color=red;year=2020,其中color=red和year=2020就是矩阵变量。2.属性name或value:指定矩阵变量的名称,用于从URL中提取对应的值。如果不指定
字节源流
·
2025-03-16 20:13
springmvc
【SpringMVC】常用注解:@PathVaria
ble
3.示例准备jsp代码pathVaria
ble
注解准备控制器代码@RequestMapping("use
字节源流
·
2025-03-16 20:12
java
servlet
开发语言
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