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低功耗蓝牙BLE
Oracle只读表
Oracle只读表能阻止表上所有的DML操作(truncate/insert/update/delete)SQL>createta
ble
t_zhasirasselect*fromdba_objectswhererownumalterta
ble
t_zhasirreadonly
zha_sir
·
2024-09-03 01:09
Oracle
oracle
只读
QTa
ble
View修改其关联的数据模型中的数据
QTa
ble
View修改其关联的数据模型中的数据,可以通过以下步骤进行:确定数据模型:首先,需要明确QTa
ble
View当前关联的数据模型。
科学的发展-只不过是读大自然写的代码
·
2024-09-03 01:05
#
qt
表格
数据库
IOS 16 封装网络请求和log打印
封装前接口请求letprovider=MoyaProvider()//广告列表provider.rx.request(.ads(position:VALUE0)).asObserva
ble
().mapString
sziitjin
·
2024-09-03 00:34
IOS
ios
Redis的KeyExpirationEventMessageListener键过期监听器
redis.conf地址:https://github.com/redis/redis/blob/unsta
ble
/redis.confRedis官方地址:https://redis.i
立小言先森
·
2024-09-03 00:30
【Redis系列】
【每日扫盲】
【spring系列】
redis
缓存
发布订阅通道
过期监听器
UNION和UNION ALL的区别
二、具体例子假设有两个表ta
ble
1和ta
ble
2,它们的结构相同,都有id和name字段。1、使用UNION:SELECTid,nameFROMta
ble
1UNIONSELECT
jadu
·
2024-09-02 23:26
oracle
数据库
Qt/QML学习-Drawer
main.qmlimportQtQuick2.15importQtQuick.Window2.15importQtQuick.Controls2.15Window{width:640height:480visi
ble
放假当宅宅
·
2024-09-02 23:54
Qt/QML学习
qt
学习
FLUX 1 将像 Sta
ble
Diffusion 一样完整支持ControlNet组件
之前InstantX团队做的多合一的FluxControlNet现在开始和ShakkerAI合作并推出了:Shakker-Labs/FLUX.1-dev-ControlNet-Union-Pro该模型支持7种控制模式,包括canny(0),tile(1),depth(2),blur(3),pose(4),gray(5)和lowquality(6),并且还能和其他ControlNet一起使用。模型卡
吴脑的键客
·
2024-09-02 22:51
AI作画
stable
diffusion
深度学习
人工智能
sqlite3 数据库
1.sqlite3相关命令:.ta
ble
s查看数据库中的表.headerson/off开启或者关闭表头.width设置列宽.modecolumn对齐.schema查询表头类型2.sqlite3的sql语句
懂linux吗
·
2024-09-02 22:20
数据库
sqlite
oracle
如何在Mac电脑上本地部署Sta
ble
Diffusion:详细教程(webUI)
Sta
ble
Diffusion是一款强大的AI生成图像模型,它可以基于文本描述生成高质量的图像。
玩AI的小胡子
·
2024-09-02 22:20
macos
stable
diffusion
AIGC
创建线程方法?什么是线程池?线程池原理?线程池的线程复用?(由浅入深,全面剖析)
四种创建多线程常用的方法:继承Thread实现Runna
ble
接口使用Calla
ble
和FutureTask线程池1.继承Thread类创建多线程创建一个多线程需要执行两个步骤,继承Thread类,创建一个新的线程类
zainful
·
2024-09-02 22:48
java
开发语言
线程池-1:线程池是如何复用线程的?
主要包括以下几个关键部分:构造函数:初始化最大线程数maxPoolSize、任务队列taskQueue、当前线程数currentPoolSize,以及锁lock和条件taskAvaila
ble
。
进窄门见微光行远路
·
2024-09-02 22:46
并发编程
java
开发语言
Day 49 英国首相无礼行为遭群嘲
Aphoto(picture)ofBorisJohnson(美国版的特朗普)sticking(putting,随意的放)hisfootonata
ble
duringtalksinPariswiththeFrenchpresidenttriggered
居燃心理咨询师
·
2024-09-02 22:12
Springboot整合Logstash笔记整理
编写核心配置类@Configuration(proxyBeanMethods=false)@Ena
ble
ConfigurationProperties({LogstashProperties.class
yicj
·
2024-09-02 21:45
spring
boot
elk
【pathlib 卸载】
The'pathlib'packageisanobsoletebackportofastandardlibrarypackageandisincompati
ble
withPyInstaller.Pleaseremovethispackagepathlib
WYONG_ZQ
·
2024-09-02 21:44
python
linux
开发语言
代码随想录算法训练营_day31
题目信息56.合并区间题目链接:https://leetcode.cn/pro
ble
ms/merge-intervals/description/题目描述:以数组intervals表示若干个区间的集合,
kennyS_ss
·
2024-09-02 21:44
代码随想录算法训练营
算法
代码随想录算法训练营_day08
字符串是不可变的(immuta
ble
),一旦创建就不能修改其内容。数组(Array)数组是一种用于存储多个相同类型元素的容器。数组是Java中的一种引用类型。数组可以存储基本数据类型(
kennyS_ss
·
2024-09-02 21:14
代码随想录算法训练营
算法
python
开发语言
代码随想录算法训练营_day01
day01题目信息704.二分查找:题目链接:https://leetcode.cn/pro
ble
ms/binary-search/题目描述:给定一个n个元素有序的(升序)整型数组nums和一个目标值target
kennyS_ss
·
2024-09-02 21:43
代码随想录算法训练营
算法
java
第十三周作业
1、ansi
ble
-playbook实现MySQL的二进制部署2、Ansi
ble
playbook实现apache批量部署,并对不同主机提供以各自IP地址为内容的index.html3、http的报文结构和状态码总结请求报文结构包括报文首部
如是我闻_17e6
·
2024-09-02 21:50
[The RUST Programming Language]Chapter 5. Using Structs to Structure Related Data
UsingStructstoStructureRelatedDataDefiningandInstantiatingStructs定义并实例化结构UsingtheFieldInitShorthandwhenVaria
ble
sandFieldsHavetheSameName
「已注销」
·
2024-09-02 21:11
The
RUST
Programming
Language
编程语言
rust
SpringBoot报错:Failed to configure a DataSource: 'url' attribute is not specified and no embedded d...
'url'attributeisnotspecifiedandno>embeddeddatasourcecouldbeconfigured.Reason:Failedtodetermineasuita
ble
drive
木塞
·
2024-09-02 20:07
遥感多模态基础大模型汇总-实时更新
遥感基础大模型Ta
ble
ofContentsModelsRemoteSensingVisionFoundationModels遥感视觉基础模型RemoteSensingVision-LanguageFoundationModels
遥感-GIS
·
2024-09-02 19:33
#遥感
#图像处理
深度学习
#大模型
#遥感大模型
沉浸式学习ACL基本原理与配置(下)
实验拓扑实验步骤R1设置system-view[Huawei]undoinfo-centerena
ble
[Huawei]sysnameR1[R1]interfaceGigabitEthernet0/0/
运维骁哥
·
2024-09-02 19:01
智能路由器
Docker mysql 配置文件读取失败 [Warning] World-writa
ble
config file ‘/etc/mysql/conf.d/my.cnf‘ is ignored.
这个警告表明MySQL正在忽略/etc/mysql/conf.d/my.cnf这个配置文件,因为它被设置为了全世界可写。这个警告是基于安全性的考虑。当配置文件被设置为全世界可写时,任何人都可以修改它,这可能会导致安全风险,因为恶意用户可以更改MySQL的配置,从而影响数据库的行为和安全性。为了解决这个问题,你可以按照以下步骤进行操作:更改配置文件的权限:使用chmod命令将配置文件的权限设置为更安
DN金猿
·
2024-09-02 18:57
docker
docker
mysql
容器
准备工作(初始化)
一、关闭防火墙:查看:systemctlstatusfirewalld关闭:systemctlstopfirewalld//临时关闭开机不自启:systemctldisa
ble
firewalld--now
huba88
·
2024-09-02 17:20
linux
centos
小程序禁掉ios下拉橡皮筋效果
在期望禁掉的页面:{"disa
ble
Scroll":true}【注】不可在全局配置app.json中配置disa
ble
Scroll亲测有效。
南慕瑶
·
2024-09-02 16:35
SQLite 删除表:一场说走就走的“旅行”
一、删除表的“咒语”在SQLite的世界里,删除表其实就像念一句简单的“咒语”:DROPTA
BLE
ta
ble
_name;没错,就是这么简单!
软考鸭
·
2024-09-02 16:14
sqlite
数据库
sqlite
ta
ble
View reloadData 刷新结束后再执行后续操作
[self.ta
ble
ViewreloadData]并不会等待ta
ble
view更新结束后才执行后续代码,而是立即执行后续代码做个试验:代码如下@interfaceViewController()@property
wg刚
·
2024-09-02 16:12
Leetcode 1207. Unique Number of Occurrences
Pro
ble
mGivenanarrayofintegersarr,returntrueifthenumberofoccurrencesofeachvalueinthearrayisuniqueorfalseotherwise.AlgorithmSortthearrayandtesttheadjointnumbers.CodeclassSolution
小白菜又菜
·
2024-09-02 15:11
Leetcode
入门题
leetcode
算法
职场和发展
Spring Cache
注解说明@Ena
ble
Caching开启缓存注解功能,通常加在启动类上@Cachea
ble
在方法执行前先查询缓存中是否有数据,如果有数据则直接返回缓存数据;如果没有缓存数据,调用方法并将方法返回值放到缓存中
为什么没有实习
·
2024-09-02 15:10
spring
sql
数据库
MySQL多种数据类型
浮点数和定点数:FLOAT、DOU
BLE
、DECIMAL(M,D)或NUME
Qzer_407
·
2024-09-02 15:10
后端技术栈
#
MySQL
mysql
数据库
【mysql】03通过命令行快速导出带字段名的csv格式数据
导出数据命令如下:mysql-uyour_username-p-e"SELECT*FROMdatabase.ta
ble
"--batch>filename.csv导出的数据以制表符’\t’分隔字段更换分隔符想换逗号可以在
余欲与鱼语渔
·
2024-09-02 14:38
mysql
数据库
SQL函数--- SQL SUM()
SQLSUM()语法SELECTSUM(column_name)FROMta
ble
_nameSQLSUM()实例我们拥有下面这个"Orders"表:O_IdOrderDateOrderPriceCustomer12008
weixin_33735077
·
2024-09-02 14:08
SQL SUM() 函数
语法SUM()函数的基本语法如下:SELECTSUM(column_name)FROMta
ble
_na
wjs2024
·
2024-09-02 14:04
开发语言
C++学习第九课
C++定义数字直接上代码吧,这个比较简单#includeusingnamespacestd;intmain(){//数字定义shorts;inti;longl;floatf;dou
ble
d;//数字赋值
杨~friendship
·
2024-09-02 14:03
学习
大数据技术之HBase整合 Phoenix(6)
目录HBase整合PhoenixPhoenix简介Phoenix定义为什么使用PhoenixPhoenix快速入门安装1)官网地址2)Phoenix部署PhoenixShell操作Ta
ble
表的映射数字类型说明
大数据深度洞察
·
2024-09-02 14:32
Hbase
大数据
hbase
数据库
OHIF记录(十)——初始页面的ta
ble
配置
OHIF记录(十)——初始页面的ta
ble
配置在根路径页面的ta
ble
包含两部分:第一部分:由三个搜索框组成的检索模块,包括患者姓名,Description,检查日期等三种不同类型的检索。
Leonopteryxw
·
2024-09-02 13:28
OHIF
reactjs
vue3中用css transform实现组件自由拖拽
1.创建一个Vue3组件首先,创建一个Vue3组件(例如,Dragga
ble
.vue),并添加模板、样式和脚本。
天天进步2015
·
2024-09-02 13:26
前端开发
css
前端
vue.js
000FPGA(Field Programma
ble
Gate Array)概述
转载自知乎https://zhuanlan.zhihu.com/p/385475453FPGA(FieldProgramma
ble
GateArray)现场可编程逻辑门阵列,属于专用集成电路中的一种半定制电路
linford1026
·
2024-09-02 12:50
笔记
FPGA - 现场可编程门阵列 LFE3-17EA-6MG328C
现场可编程门阵列封装:Tray系列:LFE3商标:LatticeCNHTS:8542319000HTS代码:8542310001MXHTS:85423199产品类型:FPGA-FieldProgramma
ble
GateArray
choushanchou4289
·
2024-09-02 12:49
C++中绝对值的用法
下面是一些示例,展示了如何在四则运算中使用std::fabs函数:示例1:加法#include#includeintmain(){dou
ble
a=-10.5;dou
ble
b=5.3;dou
ble
result
MAMA6681
·
2024-09-02 12:49
c++
开发语言
WordPress 后台缓存插件:WP Admin Cache提高缓存页面
使用WordPress建站会安装一些静态缓存插件,比如:WPRocket、CacheEna
ble
r、CometCache、W3TotalCache、WPSuperCache、WPFastestCache
818源码资源站
·
2024-09-02 11:19
源码下载00818.cn
源码下载818资源站
缓存
需要多次执行sql语句时,使用预编译
1、Statement为每一条Sql语句生成执行计划,如果要执行两条sql语句selectcolumefromta
ble
wherecolume=1;selectcolumefromta
ble
wherecolume
lbmydream
·
2024-09-02 11:46
java
java
web
sql
java
openGauss之系统隐藏列
一.前言openGauss在建表时,系统会自动插入ta
ble
oid,cmax,xmax,cmin,xmin,ctid六个系统隐藏列,在select*的时候也会自动隐藏这6个系统隐藏列,如下所示:本文主要走读代码了解
王飞活
·
2024-09-02 10:43
openGuass
openGauss
系统隐藏列
xmin
xmax
SQLite 创建表:一场数据库里的“造物运动”
一、创建表的“魔法咒语”在SQLite这个“魔法世界”里,创建表其实就像念一句“魔法咒语”:CREATETA
BLE
ta
ble
_name(column1datatype,column2datatype,column3datatyp
软考鸭
·
2024-09-02 10:40
sqlite
sqlite
数据库
Una
ble
to boot the iOS simulator?
open-aSimulatoritreportUna
ble
toboottheiOSsimulatorerror>expostart--iosStartingprojectat/Users/binary/
0010000100
·
2024-09-02 10:10
环境配置
ios
macos
C#Math计算的几个常用方法
returnMath.Abs(num).ToString();}2、返回输入数字的平方运算//////【2】返回输入数字的平方运算(可扩展为立方或者其他自身运算)/////////publicstaticdou
ble
Squa
SheldonK
·
2024-09-02 10:38
c#
开发语言
代码随想录八股训练营第二十三天| C++
1.1.3.注意事项1.2.全局变量1.2.1.特点1.2.2.声明与定义1.2.3.注意事项1.3.局部变量1.3.1特点1.3.2.注意事项1.4.三者的区别1.4.1.全局变量(GlobalVaria
ble
s
朝闻dao
·
2024-09-02 09:06
c++
逆水行舟,不进则退
首先,noticea
ble
nerviness。紧张偶尔会有,但都controlla
ble
,毕竟按我的马龄,也算是个老司机,可被人看出,也是头一遭。原因嘛,也不言而喻。
舒乔终身成长
·
2024-09-02 09:42
ubuntu环境下实现ROS 2 与 Arduino 通信
spm=1001.2014.3001.5501的进一步拓展ROS2与Arduino通信指南准备工作确保已安装ROS2(本指南基于ROS2Hum
ble
)确保已安装ArduinoIDE并能正常使用安装必要的
28BoundlessHope
·
2024-09-02 08:28
isaac
sim数字孪生
ubuntu
单片机
Easyui Datagrid实现行操作
EasyuiDatagrid实现行操作效果分析实现此功能需要实现2点1、首列的内容全部需要渲染成申请开票2、点击申请开票可以获获取到指定的行内容,在执行后续操作实现方案1、首行格式化,在ta
ble
的th
天农学子
·
2024-09-02 08:57
easyui
前端
javascript
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