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BLE(低功耗)蓝牙开发
c++11 新特性总结【c++】
autointVar=42;//intVar被推导为int类型autodou
ble
Var=3.14;//dou
ble
Var被推导为dou
ble
类型2.范围for循环(Range-basedf
挨踢小明
·
2024-08-23 23:44
IT生涯
c++
开发语言
Android Studio Bum
ble
bee | 2021.1.1 Patch 1 查看源码时当前窗口被覆盖问题
1.File-->Settings-->Editor-->Genenal-->EditorTabs-->OpeningPolicy-->Opendeclarationsourceinthesametab(取消勾选即可)
42nf
·
2024-08-23 23:13
Android
Studio
看图学sql之sql 中的UNION 和union all
UNION用于合并两个或者多个SELECT语句的结果集语法:SELECTcolumn1,column2...FROMta
ble
1,ta
ble
2[WHEREcondition1]UNION/UNIONALLSELECTcolumn1
atbigapp.com
·
2024-08-23 23:40
SQL
数据分析
sql
数据分析
MFC使用双缓冲实现绘制字符串防闪烁
有时在性能比较低的操作系统上实现绘制文字实时变化时,会出现字体闪烁问题,下面通过双缓冲技术,先的要显示的文字绘制到缓冲区,然后再将显示出来,代码如下:CClientDCdc(this);CDCMemDC;MemDC.CreateCompati
ble
DC
萝卜兽编程
·
2024-08-23 23:10
MFC
mfc
c++
List深度拷贝 demo
importjava.io.IOException;importjava.io.ObjectInputStream;importjava.io.ObjectOutputStream;importjava.io.Serializa
ble
王小工
·
2024-08-23 22:39
java
list
string
import
class
c
Mysql中常用的sql语句(适合萌新学习)
1.查看查看行:select*from;select,from;查看表结构:describe;查看所有数据库:showdatabases;查看数据库下的表:showta
ble
sfrom;查看表的索引:showindexfrom
memories198
·
2024-08-23 22:37
数据库
sql
mysql
mybatis 排坑日记1 – @Ta
ble
Field(typeHandler = JacksonTypeHandler.class) 查询时不生效为null
使用@Ta
ble
Field(typeHandler=JacksonTypeHandler.class)经常发现数据新增可以,查询结果为null,记录下空查询结果1.如果在使用JacksonTypeHandler
chenkangck50
·
2024-08-23 22:34
mybatis
java
开发语言
Flask+LayUI开发手记(一):LayUI表格的前端数据分页展现
用数据表格ta
ble
展示系统数据,是LayUI的基本功能,编码十分简单,就是通过ta
ble
.render()渲染,把属性配置好就OK了,十分方便,功能也十分强大。
hbrown
·
2024-08-23 21:31
前端
flask
layui
Mac系统安装redis
1下载redis:网址:https://redis.io/download,下载sta
ble
版本,稳定版本。2解压:tarzxvfredis-5.0.4.tar.gz。
bcqkdt
·
2024-08-23 21:34
C++初学(10)
比如说:结构可以同时存储int、long、和dou
ble
,而共用体只能存储int、long、或dou
ble
。共用体的句式与结构相似,但含义不同。
Mueisya
·
2024-08-23 21:00
c++
c++
开发语言
上传excel文件后修改表格内容报错The requested file could not be read, typically due to permission pro
ble
ms that ha
报错:上传excel文件后修改表格内容报错Therequestedfilecouldnotberead,typicallyduetopermissionpro
ble
msthathaveoccurredafterareferencetoafilewasacquired
胡萝卜大王驾到通通闪开
·
2024-08-23 21:27
excel
前端
reactjs
关闭spirng boot集成springdoc-openapi的接口文档
org.springdocspringdoc-openapi-starter-webmvc-ui2.1.0org.springdocspringdoc-openapi-starter-webmvc-api2.1.0关闭方式#配置文件中添加如下配置springdoc:swagger-ui:ena
ble
d
abments
·
2024-08-23 20:24
spring
java
基于线程池和Completa
ble
Future实现抽奖系统10连抽
一:配置文件#线程池配置thread:pool:executor:config:core-pool-size:20max-pool-size:50keep-alive-time:5000block-queue-size:5000policy:CallerRunsPolicy二config:@Data@ConfigurationProperties(prefix="thread.pool.execu
@淡 定
·
2024-08-23 20:22
java
源码编译构建LAMP
一、Apache网站服务基础1:安装httpd服务器//关闭防火墙systemctlstopfirewalld或者永久关闭systemctldisa
ble
firewalld//selinux也关闭setenforce0
靑木312
·
2024-08-23 19:50
apache
linux
服务器
运维
Java 通过反射获取实体类对应的注释
com.spring4allswagger-spring-boot-starter1.9.1.RELEASE②准备实体类注意(swagger依赖没有加载无法使用@ApiModelProperty注解)@DatapublicclassOrderCsvimplementsSerializa
ble
guicai_guojia
·
2024-08-23 19:50
java
开发语言
Linux驱动学习之点灯(五,设备树没用平台设备总线)
创建一个设备树节点/{led:led{compati
ble
="led";led_pin=;status="okay";}}OF函数介绍查找属性of_gpio_named_countof_gpio_named_count
吾有三德
·
2024-08-23 19:46
Linux驱动学习
学习
python
ble
nder bvh2fbx
importosimportrandomimportnumpyasnpimportos.pathimportbpybvh_in=r"predict.bvh"fbx_out=r"predict.fbx"file_name_with_extension=os.path.basename(bvh_in)filename,file_extension=os.path.splitext(file_name_
GO·GO·GO
·
2024-08-23 19:15
python
blender
开发语言
ble
nder python 安装 bpy 问题
1.python3.8,3.9环境安装bpy尝试失败2、bpy仅支持python3.7、3.10、3.11安装2.使用python3.10,成功pipinstallbpy==3.4.0
GO·GO·GO
·
2024-08-23 19:15
blender
Vue3+ElementPlus el-date-picker设置可选时间范围
对应的日期范围选择器跟随年份变化,只可选当前年份ElementPlus的el-data-picker没有picker-options属性,但是提供了default-value属性可以设置不可选的日期这里我们定义一个方法disa
ble
dDateFun
屠灵666
·
2024-08-23 18:41
vue.js
前端
javascript
vue中ta
ble
表格根据返回数据显示内容及表格字段对应的数据类型是数组
"){return"停机保号";}if(row.stopType=="230000"){return"到期停机";}}问题2:方法1:{{orderItems.goodsNbr}}方法2://遍历ta
ble
丁先生320
·
2024-08-23 18:11
vue.js
elementui
javascript
JavaScript面试题八
一、请解释JavaScript中的变量提升(Varia
ble
Hoisting)现象,并给出一个示例。
笃励
·
2024-08-23 18:41
前端
javascript
开发语言
ecmascript
LeetCode算法题-29. 两数相除(Swift)
来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/divide-two-integers著作权归领扣网络所有。
entre_los_dos
·
2024-08-23 17:33
Element中DatePicker日期选择器跨度只能选一年如何实现?
只需要给标签加上pickerOptions,当前时间日期选择器特有的选项参考下表//方法一:时间跨度为之前一年pickerOptions:{disa
ble
dDate:()=>false,onPick:(
Jolly_zhang
·
2024-08-23 17:37
Vue2
javascript
vue.js
前端
es6
element ui - 禁止选择今天后的日期 和日期选择后追加一天
需求,要求选择yyyy-MM-dd格式的组件,但是传参需要yyyy-MM-dd00:00:00,和禁止选择今天后的日期(包括今天)这个用的时日期组件,格式为yyyy-MM-dd声明变量disa
ble
dDateOptions
摘星小杨
·
2024-08-23 17:35
ui
vue.js
javascript
ble
nder3D模型制作入门--Apple的学习笔记
搜索python的时候发现了
ble
nder插件库是基于python语言的,几年前2.8版本的
ble
nder简单学习过几天,后来一直想做把剑。现在3.4都出来了,我又想起玩玩
ble
nder。
applecai
·
2024-08-23 16:26
JavaScript 保留词
标记或函数名来使用:abstractargumentsawait*booleanbreakbytecasecatchcharclass*constcontinuedebuggerdefaultdeletedodou
ble
elseenum
软件技术NINI
·
2024-08-23 16:59
js
javascript
开发语言
ecmascript
day31(playbook的基本使用)
一、1.使用ansi
ble
安装并启动ftp服务[root@1~]#vim/etc/ansi
ble
/hostss0ansi
ble
_ssh_host=10.0.0.12ansi
ble
_ssh_port=22ansi
ble
_ssh_user
小手冰凉227
·
2024-08-23 16:58
运维
layui 表格实现可编辑日历
页面引用layui.css和layui.js${now}js代码如下:varta
ble
Ins;varform;varlaydate;varindex;vartwo;layui.use(['ta
ble
',
漠水情
·
2024-08-23 15:24
layui表格实现日历
日历可编辑
日历号源
Spring Boot 的启动原理、Spring Boot 自动配置原理
SpringApplication初始化:应用程序通常从一个带有@SpringBootApplication注解的主类开始,这个注解是一个组合注解,包含了@SpringBootConfiguration,@Ena
ble
AutoConfiguration
明湖起风了
·
2024-08-23 15:22
springBoot
面试宝典1
spring
boot
后端
java
云计算33------学习playbook-roles,脚本创建数据库和表,mycat读写分离
上午1、roles(角色)介绍roles(⻆⾊):就是通过分别将varia
ble
s,tasks及handlers等放置于单独的⽬录中,并可以便捷地调⽤它们的⼀种机制。
是小梅吖~
·
2024-08-23 15:51
云计算
学习
数据库
nvm 的常用操作指令整理
1、以下是nvm的常用操作指令:查看可在线安装的NodeJS版本nvmlistavaila
ble
安装指定版本的Node.js。nvminstall切换到指定版本的Node.js。nvmus
DiuWang
·
2024-08-23 14:17
node
学习笔记
前端
nvm
Java面试题---微服务
第二布,主启动类上打注解,@Ena
ble
EurekaServer,开启eureka服务端功能第三步,yml配置文件中,配置注册中心的端口号,主机名,注册中心地址Ribbon的整合流程第一步,导入ribbon
Lill_bin
·
2024-08-23 13:41
JAVA面试题
java
开发语言
单例模式
redis
分布式
数据库
spring
How To Write Shared Libraries(28)
2.2.4DefineVisibilityforC++Classes(2)Becausethesepro
ble
msaresohardtodebugitisessentialtogetthecompilerinvolvedinmakingsuretheuserfollowsthenecessaryrules.TheC
i_need_job
·
2024-08-23 13:59
将VRoidStudio人物通过
Ble
nder导入到Mixamo
目录1.下载
Ble
nder和VoidStudio2.下载Cats和VRM插件3.在VRoidStudio中导出VRM格式文件4.在
Ble
nder中安装两款插件5.导入VRM格式文件并绑定骨骼5.1预览人物模型
prayer?
·
2024-08-23 11:57
blender
经验分享
3d
学习
MobX中处理异步数据的加载状态
以下是一个示例:javascript格式:import{observa
ble
,action}from'mobx';classMyStore{@observa
ble
data=null;@observa
ble
isLoading
alankuo
·
2024-08-23 11:55
前端
前端
动态内存管理学不懂,小代老师带你深入理解动态内存管理(下卷)
动态内存管理学不懂,小代老师带你深入理解动态内存管理(下卷柔性数组6.1柔性数组的特点:6.2柔性数组的使用7.总结C/C++中程序内存区域划分柔性数组也许你从来没有听说过柔性数组(flexi
ble
array
程序员牛马家
·
2024-08-23 11:24
C语言
算法
数据结构
python去除图片背景,使用Python / PIL从图像中删除背景色
I'vebeentryingtogetthistoworkandamreallyhavingtrou
ble
,sowouldbeverygratefulforsomehelp.Usingthecodebelow
王后浪
·
2024-08-23 10:51
python去除图片背景
大自然的报复不知什么时候才会消失,愿所有人平平安安过好年!
Humanbeingshavebeentakingeverythingfromherandtorturingherfortheirinsatia
ble
pursuitofmaterialsatisfaction
空空ww
·
2024-08-23 10:03
分布式 - 主从复制技术详解及时延处理
作者:逍遥Sean简介:一个主修Java的Web网站\游戏服务器后端开发者主页:https://blog.csdn.net/Urelia
ble
觉得博主文章不错的话,可以三连支持一下~如有疑问和建议,请私信或评论留言
逍遥Sean
·
2024-08-23 09:15
微服务
分布式
微服务
数据库
sta
ble
diffusion和GAN网络的区别,优点缺点是什么
稳定扩散(sta
ble
diffusion)和生成对抗网络(GAN)是两种不同的深度学习方法。稳定扩散是一种无监督学习方法,用于图像超分辨率重建。
爱好很多的算法工程师
·
2024-08-23 09:15
SD大模型AIGC
笔记
Java集合框架:了解TreeMap
基于红黑树实现的有序映射目录TreeMap继承关系TreeMap源码解析TreeMap总结TreeMap继承关系TreeMap继承了AbstractMap抽象类,拥有map的相关操作方法TreeMap实现了Serializa
ble
索茄啦你
·
2024-08-23 08:37
java
华为Gre 手动配置实例
R1配置syssysnameHFdhcpena
ble
acl2000rule1permitso192.168.10.00.0.0.255intg0/0/0ipadd192.168.10.25424dhcpselectintintg0
Young143
·
2024-08-23 07:03
华为
网络
【Sta
ble
Diffusion】:原理、应用与未来展望
一、引言在人工智能的快速发展中,Sta
ble
Diffusion作为一种先进的随机过程模型,受到了广泛的关注。
Python小原
·
2024-08-23 07:33
stable
diffusion
人工智能
深度学习
19 OptionMenu 组件
OptionMenu组件属性varia
ble
:与OptionMenu组件关联的变量,通常是Tkinter的StringVar、IntVar等。command:当选项改变时
宇宙第一小趴菜
·
2024-08-23 06:26
Tkinter基础
tkinter
python
ui
Llama开源代码详细解读(2)
FlashAttentionifis_flash_attn_availa
ble
():#检查flashattention的可用性fromflash_attnimportflash_attn_func,flash_attn_varlen_funcfromflash_attn.bert_paddingimportindex_first_axis
江安的猪猪
·
2024-08-23 04:45
大语言模型
llama
ansi
ble
架构、安装、简单的使用
1.ansi
ble
运维工具1.1ansi
ble
介绍一款系统开发开源的配置和自动化工具,基于python写成类似于saltstack和Puppet。
养了一只皮卡丘
·
2024-08-23 04:13
自动化运维
运维
学习C语言 第十八天
可以使用强制类型转换运算符来把值显式地从一种类型转换为另一种类型(type_name)expression一个整数变量除以另一个整数变量,得到一个浮点数:eg:#includeintmain(){intsum=17,count=5;dou
ble
mean
ZH-edifier
·
2024-08-23 03:07
c语言
学习
算法
python出现‘int‘ object is not itera
ble
的解决办法
解决方法翻译:‘int’objectisnotitera
ble
的含义为:'int’对象不可迭代解决办法:如果是进行for循环的话,必须在前面加个range例如:forkinrange(n):##2、输入一个五位数
潮生清晏
·
2024-08-23 02:59
Python
python
【Python】成功解决TypeError: ‘int‘ object is not itera
ble
【Python】成功解决TypeError:‘int’objectisnotitera
ble
文章目录一、引言二、错误原因解析️三、解决方案示例1:迭代列表示例2:迭代字符串示例3:迭代字典的键或值示例4
AI大模型-王哥
·
2024-08-23 01:56
python
开发语言
华为ENSP配置 三层交换机DHCP配置加VLAN划分实验
实验拓扑图如下:LSW5三层交换机配置:#sysnameLSW5#vlanbatch1020#dhcpena
ble
#ippool1gateway-list192.168.1.254network192.168.1.0mask255.255.255.0dns-list8.8.8.8
一个懒鬼
·
2024-08-23 01:24
华为网络
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