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BLE错误码
JAVA多线程异步与线程池------JAVA
初始化线程的四种方式继承Thread实现Runna
ble
接口实现Calla
ble
接口+FutureTask(可以拿到返回结果,可以处理异常)线程池继承Thread和实现Runna
ble
接口的方式,主进程无法获取线程的运算结果
旧约Alatus
·
2024-08-31 15:13
JAVA
#
JUC多线程
java
缓存
后端
mybatis
微服务
spring
boot
spring
2021-12-06
购物车案例ta
ble
{border-collapse:collapse;}td,th{text-align:center;border:1pxsolid#ccc;padding:2px10px;}tdimg
A阿a
·
2024-08-31 15:03
PG数据库中表所占用空间大小查询
查看所有表所占磁盘空间大小selectsum(t.size)from(SELECTta
ble
_schema||'.'
DXnima
·
2024-08-31 14:12
nvm常用命令
nvmls:列出所有已安装的node版本nvmls-remote:列出所有远程服务器的版本(官方nodeversionlist)nvmlist:列出所有已安装的node版本nvmlistavaila
ble
包淼淼
·
2024-08-31 14:04
linux
运维
服务器
MySQL索引类型及注意
示例:CREATETA
BLE
employees(
刺仙
·
2024-08-31 14:03
mysql
数据库
【分布式定时任务】XXL-JOB_2.4.1部署与实战
https://www.xuxueli.com/xxl-job/一数据库配置执行初始化数据库SQLxxl-job/doc/db/ta
ble
s_xxl_job.sqlat2.4.1·xuxueli/xxl-job
布熬夜了
·
2024-08-31 14:31
后端开发
数据库
iview timpicker 时间选择限制(时间线下一个时间不能早于上一个时间)
//配送点到达时间规范:当前配送点到达时间不能超过上一个配送点到达时间disa
ble
dHours(index){letpreTime=index===0?'
芭拉拉小魔仙
·
2024-08-31 14:59
vue
js
C++拷贝构造函数
#includeusingnamespacestd;classPer{private:stringname;intage;dou
ble
*tall;dou
ble
*weight;public:Per(){cout
阿阳不会中投
·
2024-08-31 13:27
c++
开发语言
一个操作系统的设计与实现——第21章 高级可编程中断控制器
21.1什么是高级可编程中断控制器我们已经使用过型号为8259A的可编程中断控制器(Programma
ble
InterruptController,PIC)。
Tony小周
·
2024-08-31 13:56
嵌入式硬件
SQL server分页和行转列
--Createta
ble
sifOBJECT_ID('TestValues','U')isnotnullbegindropta
ble
TestValuesendCreateta
ble
TestValues(
Zhen (Evan) Wang
·
2024-08-31 13:25
数据库
开发语言
sql
geometry_msgs
以下是一些常见的geometry_msgs数据类型的具体定义:geometry_msgs::msg::Point:geometry_msgs::msg::Point{dou
ble
xdou
ble
ydou
ble
z
MARK1998_L
·
2024-08-31 13:25
c++
SQLServer -ServiceBroker
ServiceBroker简介直接把文档原话copy过来吧:SQLServiceBrokerisoneofthebestrecentfeaturesinSQLServer2005becauseitmakesitpossi
ble
towritequeuingandmessage-basedapplications.WithServiceBroker
神毓逍遥-
·
2024-08-31 13:24
SQLSERVER
SqlServer
Service
service
broker
STM32 - LED流水灯
include"stm32f10x.h"//Deviceheader#include"Delay.h"intmain(void){RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE,ENA
BLE
土豆片啊
·
2024-08-31 12:19
STM32
stm32
单片机
嵌入式硬件
gcc指令
warnings|...Displayspecifictypesofcommandlineoptions.命令帮助的归类-E只进行预处理Preprocessonly;donotcomplie,assem
ble
萍水间人
·
2024-08-31 12:30
[Python知识点]list列表append()和extend()的区别
list.extend(itera
ble
):这个方法将可迭代对象(如列表、元组、字符串等)中的
William数据分析
·
2024-08-31 12:47
python
python
开发语言
android原生定时任务_Android定时任务及循环任务基础详情
在Android开发中,定时执行任务的3种实现方法:一、采用Handler与线程的sleep(long)方法(不建议使用,Jva的实现方式)二、采用Handler的postDelayed(Runna
ble
着相鱼
·
2024-08-31 12:17
android原生定时任务
Java 虚方法表(虚函数)
虚方法表Java中的虚方法表(VirtualMethodTa
ble
,VMT)是实现动态方法分派和多态的重要机制。它帮助Java运行时系统(JVM)决定在继承体系中调用哪一个方法的具体实现。
南极Ou
·
2024-08-31 12:17
#
OOP
java
开发语言
在vue中引入全局scss文件
需要在vue.config.js中加入css:{loaderOptions:{sass:{additionalData:`@import"@/assets/styles/vari
ble
s.scss";`
DargonWisdom
·
2024-08-31 11:15
vue.js
scss
javascript
Linux下Caffe、Docker、Tensorflow、PyTorch环境搭建(CentOS 7)
1.CUDA8.0安装CUDA8.0Configenvvaria
ble
s#CUDAPATHexportPATH="/usr/local/cuda-8.0/bin:$PATH"#CUDALDLIBRARY_PATHexportLD_LIBRARY_PATH
SnailTyan
·
2024-08-31 09:06
qnx /var/log/la_gvm.txt 系统日志
qnx/var/log/la_gvm.txt系统日志/var/log/la_gvm.txt是QNX操作系统中一个特定的日志文件,通常用于记录与LA(Loada
ble
Module)或GVM(GlobalVirtualMemory
sun007700
·
2024-08-31 09:00
android
每日一题2024年8月30日
#includeusingnamespacestd;typedeflonglongll;typedefdou
ble
db;typ
Gin387
·
2024-08-31 09:00
算法
宇宙公民高效阅读蜕变营第13期第8天
ObjectivesandKeyResults)全称「目标和关键成果」PDCA:策划-实施-检查-改进(plan-do-checkactioncycle)OKR工作法遵循的Smart原则Specific(具体的)Measura
ble
Echo莲语
·
2024-08-31 08:29
鸿蒙HarmonyOS开发实战—安全管理(权限开发)_鸿蒙 权限
大多情况下,系统已定义的权限满足了应用的基本需要,若有特殊的访问控制需要,应用可在config.json中以"defPermissions":[]属性来定义新的权限,并通过“availa
ble
Scope
2301_79985178
·
2024-08-31 08:54
harmonyos
安全
华为
利用LeetCode练习Java基础
LeetCode题目:题目链接:https://leetcode-cn.com/pro
ble
ms/reverse-integer/题目描述整数反转给你一个32位的有符号整数x,返回x中每位上的数字反转后的结果
FOX有爱
·
2024-08-31 08:52
Java
Xcode 15(iOS17)编译适配报错
解决:Xcode点击Pods点击BuildSettings点击Basic找到AppleClang-Preprocessing下的PreprocessorMacros添加:_LIBCPP_ENA
BLE
_CXX17
孟宪磊mxl
·
2024-08-31 08:21
xcode
macos
ide
Element Plus& Ant Design(react) 表格的分页封装
一、ElementPlus封装代码:import{onMounted,reactive,ref,toRaw}from'vue'import{ElTa
ble
}from'element-plus'importmomentfrom'moment'interfaceUser
孟宪磊mxl
·
2024-08-31 08:21
react.js
vue.js
editplus
Ant
Design
springboot+redis+mybatis体会布隆过滤器
1.建立数据库表和对应实体类CREATETA
BLE
`user`(`id`int(11)NOTNULLAUTO_INCREMENT,`uname`varchar(50)DEFAULTNULL,`usex`
落魄程序员在线炒饼
·
2024-08-31 08:48
spring
boot
redis
mybatis
get value from agent failed: cannot connect to [[127.0.0.1]:10050]: [111] Connection refused
cannotconnectto[[127.0.0.1]:10050]:[111]Connectionrefused意思是agent连接失败1)查看防火墙[root@m01~]#getenforceDisa
ble
d
LBL1220
·
2024-08-31 07:17
监控
linux
zabbix
【C++ Primer Plus习题】7.7
问题:解答:#includeusingnamespacestd;#defineSIZE10dou
ble
*fill_array(dou
ble
*begin,dou
ble
*end){for(begin;begin
国中之林
·
2024-08-31 07:16
姚哥刷C++
Primer
Plus习题集
c++
开发语言
学习
刷题
Redis入门篇 - CentOS 7下载、安装Redis实操演示
CentOS7上,通过源码的形式,下载安装Redis的操作过程进入要安装Redis的目录cd/usr/local下载源码压缩包wgethttps://download.redis.io/redis-sta
ble
.tar.gz
ChineHe
·
2024-08-31 07:46
Redis
redis
centos
数据库
JAVA—多线程
关于线程以及多线程的学习,包括创建和常用方法还有解决线程安全的措施,最后学习线程池和了解并发和并行,对于悲观锁和乐观锁的部分没有学习目录1.线程概述2.多线程的创建(1)继承Thread类(2)实现Runna
ble
W.KN
·
2024-08-31 07:46
java
笔记
pycharm 导入anaconda环境报错:conda executa
ble
is not found,error code:1
点击左上角File->settings点击Projectxxx——>pythoninterpreter——>Addinterpreter点击condaEnviroment,显示condaexecuta
ble
isnotfound
萧云安
·
2024-08-31 07:12
pycharm
conda
python
vue3背景下,el-input嵌套在弹出框中,自动聚焦“失效”?如何实现自动聚焦
//script标签部分内容constdialogFormVisi
ble
=ref(false)//获取到input框cons
Now?!
·
2024-08-31 06:39
vue.js
elementui
《PRINCIPLES》
DaytwoIamconfidentthatwhateversuccessBridgewaterandIhavehadhasresultedfromouroperatingbycertainprinciples.Creatingagreatculture,findingtherightpeople,managingthemtodogreatthingsandsolvingpro
ble
mscreat
鹿女神奇
·
2024-08-31 06:43
vue3+ts报错:找不到模块“./App.vue”或其相应的类型声明
不能理解.vue文件第一步在src下新建文件env.d.tsdeclaremodule'*.vue'{importtype{DefineComponent}from'vue'//eslint-disa
ble
-next-line
前端小顾
·
2024-08-31 06:05
前端
vue.js
前端
typescript
【MySQL SQL语句】DROP TA
BLE
简述
标准语法:DROP[TEMPORARY]TA
BLE
[IFEXISTS]tbl_name[,tbl_name]...
galaxyfishm
·
2024-08-31 05:03
MySQL
mysql
sql
C语言实现哈希表
哈希表1、哈希表的创建#defineMAX10#defineNULL_KEY-1typedefintdata_type;typedefstruct{data_type*ele;intn;}hash_ta
ble
白小筠
·
2024-08-31 05:02
数据结构
散列表
c语言
哈希算法
eslint 屏蔽部分错误
eslintrc.js文件里找到rules对象键写想屏蔽的错误名值写off,比如这样'key-spacing':'off'但是不太建议使用这种,他会让整个项目都屏蔽这个错误2.局部屏蔽//eslint-disa
ble
-line
随心所遇_0119
·
2024-08-31 05:47
哈希表C语言实现详解
目录1、数据结构2、操作函数声明3、具体实现1、数据结构#defineHASH_TA
BLE
_MALLOC(size)rt_malloc(size);#defineHASH_TA
BLE
_REALLOC(p
hurryddd
·
2024-08-31 05:31
数据结构与算法
(24)时序收敛专题--->原则二四
1.1.3FPGA简介FPGA(FieldProgramma
ble
GateArray)是在PAL、GAL等可编程器件的基础上进一步发展的产物。它
宁静致远dream
·
2024-08-31 05:31
FPGA积沙成塔
fpga开发
FPGA
IC
【SQL基础】【leetcode】SQL50题
查询(1)可回收且低脂的产品题目链接SELECTproduct_idFROMProductsWHERElow_fats='Y'ANDrecycla
ble
='Y';很简单,最基础的sql语句。
Hundred billion
·
2024-08-31 05:00
数据库
sql
leetcode
linux
哈希(C语言)
1.数据结构——哈希表哈希表(hashta
ble
),又称散列表,它通过建立键key与值value之间的映射,实现高效的元素查询。具体而言,我们向哈希表中输
写代码的大学生
·
2024-08-31 05:58
哈希算法
c语言
算法
掌握SQL的“删除艺术”:如何使用DROP TA
BLE
命令
掌握SQL的“删除艺术”:如何使用DROPTA
BLE
命令在数据库管理中,有时候我们需要彻底删除一个表,这可能是为了重新设计数据库结构,或者因为某些表不再需要。
2401_85812026
·
2024-08-31 05:58
sql
数据库
oracle
tar命令解压报错“Error is not recovera
ble
: exiting now”
invalidcompresseddata--formatviolatedtar:UnexpectedEOFinarchivetar:UnexpectedEOFinarchivetar:Errorisnotrecovera
ble
Yana.com
·
2024-08-31 05:58
Linux系统运维
问题解决
服务器
java api中最常用的五个包_java 5 个常用的api包
1.基本数据类型/包装类(1)基本数据类型:byte、short、int、long、float、dou
ble
、char、boolean(2)包装类:Byte:–提供了将字节数据转换为其他类型的方法,从Number
weixin_39750731
·
2024-08-31 05:27
java
api中最常用的五个包
mysql中怎么查表中的数据_[MySQL] 用select查询数据表中的记录
用select查询数据表中的记录select语句的基本语法如下:selectselection_list选择那些列fromta
ble
_list从那个表去选择行whereprimary_constraint
18125857287
·
2024-08-31 05:57
mysql中怎么查表中的数据
1105:数组逆序重存放
题目信息:信息学奥赛一本通(C++版)在线评测系统https://ybt.ssoier.cn/pro
ble
m_show.php?
ZMC48
·
2024-08-31 04:52
算法
c++
数据结构
onnx转tensorRT模型出现错误 This version of TensorRT only supports input K as an initializer
但项目上限制是tensorRT8.5Pro
ble
msc
lainegates
·
2024-08-31 04:49
pytorch
人工智能
深度学习
神经网络
主体概述
ALL1.jpgALL2.jpgTreeMap实现了SortedMap接口,因而是有顺序的Set、List、Queue继承了Collection接口TreeMap是基于树的实现,HashMap,HashTa
ble
kindol
·
2024-08-31 03:33
C# 多个点拟合圆并给出圆心坐标
publicstaticPointFFitCenter(Listpts,dou
ble
epsilon=0.1){dou
ble
totalX=0,totalY=0;intsetCount=0;for(inti
Nobody-H
·
2024-08-31 03:43
C#
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