E-COM-NET
首页
在线工具
Layui镜像站
SUI文档
联系我们
推荐频道
Java
PHP
C++
C
C#
Python
Ruby
go语言
Scala
Servlet
Vue
MySQL
NoSQL
Redis
CSS
Oracle
SQL Server
DB2
HBase
Http
HTML5
Spring
Ajax
Jquery
JavaScript
Json
XML
NodeJs
mybatis
Hibernate
算法
设计模式
shell
数据结构
大数据
JS
消息中间件
正则表达式
Tomcat
SQL
Nginx
Shiro
Maven
Linux
BLE(低功耗)蓝牙开发
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
MT6762_联发科MTK6762安卓核心板规格参数
MTK6762安卓核心板是一款高性能
低功耗
深圳智物通讯
·
2024-08-31 11:46
MT6762
MTK6762
安卓核心板
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
湿度对ADC的基准电压源影响及解决办法
基准选用2.5V的ADR45XX塑封基准电压,其可以提供高精度、
低功耗
、低噪声、初始精度为±0.01%(±100ppm)、出色的温度稳定性和低输出噪声。在系统硬件原理图设计完成后,接下来需要完成PC
微弱世界
·
2024-08-31 09:32
ADC基准
湿度
基准电压漂移
应力
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#
Parallels Desktop 15 超详细安装教程
ParallelsDesktop(无论你是啥版本),因为新版的Mac操作系统缺少一些必需组件,并且安全控制提升了甚多(N多不可言传的坑)打开允许任何来源的软件安装sudospctl--master-disa
ble
蜗牛er
·
2024-08-31 03:12
Mac
macos
atcoder ABC 354-E题
atcoderABC354-E题Pro
ble
mStatementTakahashiandAokiareplayingagameusingNcards.Thefrontsideofthei-thcardhasAiwrittenonit
CodeWizard~
·
2024-08-31 02:38
算法
c++
云计算:LNMP网站架构,前期准备,安装php,安装MySQL
准备工作(初始化)1.关闭防火墙systemctldisa
ble
firewalld--now//直接永久关闭防火墙2.关闭SELINUX查看SELINUX:getenforce永久关闭:[root@localhost
248
·
2024-08-31 02:38
云计算
php
mysql
macOS 10.15 brew Error:
[email protected]
has been disa
ble
d because it is not supported upstream! 异常解决方法
在macOS10.15中使用brew安装
[email protected]
时会提示已经被禁止,原因是上游不支持.这个是因为目前苹果对10.15版本的系统已经不再支持导致.异常信息:
[email protected]
==>Downloadinghttps://mirrors.ustc.edu.cn/homebrew-bottles/api/formula.jws.jso#=#=#==>Downlo
tekin
·
2024-08-31 02:37
macos
macos
brew
mariadb
install
brew
edit
[LeetCode]336. Palindrome Pairs
https://leetcode.com/pro
ble
ms/palindrome-pairs/找出两个字符串拼接可形成回文的所有组合遍历数组,把word和所在位置加入map,再遍历数组,内层遍历当前字符串
gqk289
·
2024-08-31 01:00
LeetCode
聊聊flink的Ta
ble
Formats
序本文主要研究一下flink的Ta
ble
Formats实例CSVFormat.withFormat(newCsv().field("field1",Types.STRING)//required:orderedformatfields.field
go4it
·
2024-08-31 01:48
解决WARNING Memory overcommit must be ena
ble
d! Without it, a background save or replication may fail
解决WARNINGMemoryovercommitmustbeena
ble
d!
蟹蟹呵呵
·
2024-08-31 00:58
redis
redis
上一页
18
19
20
21
22
23
24
25
下一页
按字母分类:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
其他