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
实验5-1 使用函数计算两个复数之积
函数接口定义:dou
ble
result_real,result_imag;voidcomplex_prod(dou
ble
x1,dou
ble
y1,dou
ble
x2,dou
ble
y2);其中用户传入的参数为两个复数
stephen_yoga
·
2024-02-14 00:40
c语言
学习
笔记
c++
ZigBee网络路由算法设计
ZigBee技术是一种
低功耗
、低成本、低速率的无线通信技术。目前在工业领域、医学领域、军事领域、智能家居、道路监测、家庭自动化等方面有着良好的应用前景。
fpga和matlab
·
2024-02-14 00:08
MATLAB
板块5:网络通信
实验2-4-5 简单实现x的n次方
函数接口定义:dou
ble
mypow(dou
ble
x,intn);函数mypow应返回x的n次幂的值。题目保证结果在双精度范围内。
stephen_yoga
·
2024-02-14 00:37
算法
c++
开发语言
pytorch:.cuda() & .cpu() & .data & .numpy()
下面将将tensor转成numpy的几种情况1.GPU中的Varia
ble
变量:a.cuda().data.cpu().numpy()2.GPU中的tensor变量:a.cuda().cpu().numpy
不太聪明的亚子
·
2024-02-14 00:39
关于把一个c++98的计算器用qt加上图形界面
PLUS='+',MINUS='-',MUL='*',DIV='/',PRINT=';',ASSIGN='=',LP='(',RP=')'};token_valuecurr_tok=PRINT;dou
ble
ex
kikyoulzg
·
2024-02-14 00:56
相遇一场,希望没有让你太失望
很幸运我们还能一同在生命中前行Ta
ble
ofcontents///01///你是最关心我的人,看见我难过,会想着法逗我开心。
醒来的树
·
2024-02-14 00:15
Java中hashCode和equals方法的比较
但是我们必需清楚,String、Integer、Dou
ble
等这些封装类在使用equals()
架构师Javaspring
·
2024-02-14 00:40
spring boot 约定大于配置详解
而中间的@Ena
ble
AutoConfiguration正是实现约定大于配置的关
啊楠_0763
·
2024-02-13 23:45
iOS模拟器推送测试及踩坑
模拟器也支持推送测试,具体操作如下:1.创建推送文件内容类似如下格式{"aps":{"alert":{"title":"标题","body":"内容辱与共产主义不容辞"},"content-availa
ble
Lazyloading
·
2024-02-13 23:05
影像组学学习笔记(20)-通俗讲解集成学习ensem
ble
learning
本笔记来源于B站Up主:有Li的影像组学系列教学视频本节(20)主要介绍:集成学习的通俗讲解集成学习(ensem
ble
learning)将多个分类器结合在一起使用Bagging:同质学习器,彼此独立,投票
北欧森林
·
2024-02-13 22:39
MySQL-运维
查看日志位置:showvaria
ble
slike'%log_error%'2.二进制日志(1)介绍二进
秋澄270
·
2024-02-13 22:24
mysql
运维
数据库
qml中StackView的使用
main.qmlimportQtQuick2.12importQtQuick.Controls2.12importQtQml2.12importQtQuick.Layouts1.12ApplicationWindow{id:windowvisi
ble
@十三阿哥
·
2024-02-13 22:19
qml
qml
qt
qml写一个自适应登录框
main.qmlimportQtQuick2.12importQtQuick.Controls2.12importQtQml2.12importQtQuick.Layouts1.12ApplicationWindow{id:windowvisi
ble
@十三阿哥
·
2024-02-13 22:49
qml
qml
qt
Boost.Test-如何将测试套件(源码文件)组织成工程、并执行测试
2.CMakeLists.txt需要自己编写,本例内容如下cmake_minimum_required(VERSION3.5.0FATAL_ERROR)project(mytestmodule)ena
ble
_testing
爱丽J
·
2024-02-13 21:16
Boost.Test
AtCoder Beginner Contest 340D - Super Takahashi Bros
pro
ble
mlinkThennnstagesantheirmutualpathwayscanbeintuitivelyseenasgraph,withstagesasnodes,andthepathwaysasedges.Thepro
ble
mseemstosolva
ble
bysomeclevergreedyalgorithmduetothesemitree-likestructureofthen
PYL2077
·
2024-02-13 21:14
题解
AtCoder
算法
AtCoder Beginner Contest 340E - Mancala 2
pro
ble
mlinkUnravellingthemodulararithmeticoperations,thepro
ble
misquiteobviouslyadatastructurepro
ble
m,
PYL2077
·
2024-02-13 21:14
AtCoder
题解
算法
CF1721D Maximum AND
https://codeforces.com/pro
ble
mset/pro
ble
m/1721/DFirsly,let’sconsiderfindingtheanswerbitbybit,assumingthekkknon-zerodigitsoftheanswerasx1
PYL2077
·
2024-02-13 21:44
题解
#Codeforces
c++
算法
Codeforces 1720D1 Xor-Subsequence (easy version)
Pro
ble
mLinkThemostapparantsolutiontothispro
ble
mwouldbedynamicprogrammingwithO(n2)\mathcalO(n^2)O(n2)complexity
PYL2077
·
2024-02-13 21:44
题解
#Codeforces
动态规划
北海的ScalersTalk第六轮新概念朗读持续力训练Day 43 20210212
练习材料L14(2):Ano
ble
gangster/ə//ˈnəʊbl//ˈgæŋstə/Sixhundredyearsago,SirJohanHawkwoodarrivedinItaly/sɪks//
北海逍遙
·
2024-02-13 21:29
Codeforces 1928B Equalize
pro
ble
mlinkGiventhefeatureofnumericallyaddingapermutationtoasequence,elementsofdifferentvaluescanbecomethesameaslongastheirdifferenceisstrictlylessthannnn.Thisconclusioncanbeeasilyprovenifweconstructt
PYL2077
·
2024-02-13 21:12
题解
#Codeforces
算法
{}初始化和初始化列表
//初始化列表usingnamespacestd;classtest{public:test(inta,dou
ble
b):tow(a),thr
三水吉吉
·
2024-02-13 21:42
c++
开发语言
2.8日Java基础学习笔记
2^7-101short-2^15~2^15-102int-2^31~2^31-104long-2^63~2^63-108浮点数float-3.401298e-38~3.402823e+38_4dou
ble
铃兰花的土壤
·
2024-02-13 21:09
学习
笔记
Entitiy Framework Core中使用ChangeTracker持久化实体修改历史
背景介绍在我们的日常开发中,有时候需要记录数据库表中值的变化,这时候我们通常会使用触发器或者使用关系型数据库中临时表(TemporalTa
ble
)或数据变更捕获(ChangeDataCapture)特性来记录数据库表中字段的值变化
Lamond_Lu
·
2024-02-13 21:52
使用反射将Map的key-value映射成对象
直接进入主题吧首先是造对象,创建了一个user对象,包含了user2对象@DatapublicclassUser{privateStringname;privateIntegerage;privatedou
ble
weight
格墙996
·
2024-02-13 21:32
java
spring
C# CAD2016获取数据操作BlockTa
ble
Record、Polyline、DBObject
OpenMode.ForRead);//Polyline线段类PolylineouterPolyline=(Polyline)tr.GetObject(outerId,OpenMode.ForRead);//BlockTa
ble
Record
李建军
·
2024-02-13 21:29
CAD二次开发
数据库
c#
在Linux系统下进入MySql数据库进行操作
mysql-uroot-proot2、查询所有的库mysql>showdatabases;3、进入数据库“eduyun_2015_sp1”是库名mysql>useeduyun_2015_sp1;4、查询所有的表mysql>showta
ble
s
都灵的夏天_
·
2024-02-13 21:08
杭电Oj第二周
做题有个习惯,就是没通过一道题之后都会找下答案,对比一下我的代码还有没有可以在优化的地方,使他更简便链接:http://acm.hdu.edu.cn/showpro
ble
m.php?
J_4d20
·
2024-02-13 21:46
Thread和Runa
ble
比较
1.最直接的区别就是Runa
ble
是接口,是支持多继承的,也就是实现类也可以实现其他的接口,降低了耦合。而Tread是类,只能被单一继承,这样它的子类不能再继承其他类了,增加了耦合性。
冲冲冲!!!
·
2024-02-13 20:48
并发与同步
深入Java
多线程
BUUCTF/强网杯2019 随便注.堆叠注入?
inject=3"-v3--risk3-Dsupersqli--ta
ble
s–test-skip=where能跑出数据
Visianlee
·
2024-02-13 20:24
代码随想录算法训练营第十四天| 二叉树的递归遍历,迭代遍历
递归遍历144.二叉树的前序遍历题目链接:https://leetcode.cn/pro
ble
ms/binary-tree-preorder-traversal/classSolution:defpreorderTraversal
lldyy_xb
·
2024-02-13 20:08
算法
px自动转化为rem
px转化为rem,适配移动端项目中引入lib-flexi
ble
1.下载lib-flexi
ble
npmilib-flexi
ble
--save2.引入lib-flexi
ble
在main.js中引入lib-flexi
ble
import'lib-flexi
ble
An_0313
·
2024-02-13 20:48
css单位
css单位包括绝对单位和相对单位绝对单位:概念:Aabsolute-sizeisrefertoanentryinta
ble
offont-sizecomputedandkeptbyuser-agenteg
5b5072cc2c5b
·
2024-02-13 20:49
PL/SQL programing 第六版学习笔记-3
OverviewofPL/SQLDatatypesCharacterDataCHARandNCHARarefixed-lengthdatatypes;VARCHAR2andNVARCHAR2arevaria
ble
-lengthdatatypes.PL
e652d1fb12eb
·
2024-02-13 20:17
利用vscode对ros2的代码进行断点调试
Ubuntu22.04+ros-hum
ble
在代码的工作目录下找到.vscode目录,新建launch.json文件(如果存在直接进行修改),launch.json中的内容如下:{"configurations
南方是北方的远方丶
·
2024-02-13 20:34
vscode
ide
编辑器
linux
MySQL双写机制
虽然innodb会先写重做日志,在修改页,但是重做日志中记录的是对页的物理操作,但是如果这个页本身已经发生了损坏,对页进行重做是没有意义的双写的出现为了解决这个问题,提出了双写机制双写原理双写(dou
ble
write
·
2024-02-13 20:52
数据库
Nuitka 命令打包
flet写的程序可以打包,pyinstaller打包后54M,nuitka打包后25M.nuitkamain.pyw--standalone--onefile--disa
ble
-consoletkinter
中医是一种语言艺术
·
2024-02-13 20:02
nuitka
python
flet
【深入MaxCompute】人力家:用MaxCompute 事务表2.0主键模型去重数据持续降本增效
简介:MaxCompute新增TransactionTa
ble
2.0(下文简称事务表2.0)表类型在2023年6月27日开始邀测,支持基于事务表2.0实现近实时的增全量一体的数据存储、计算解决方案。
阿里云大数据AI技术
·
2024-02-13 20:12
Chrome开发者工具(DevTools)学习
调出开发工具右键-检查9大功能图禁用缓存切换到Network网络面板勾选Disa
ble
cache项手动清理网站缓存1.Ctrl+shift+p弹出命令输入框2.输入clearsitedata此操作能清空
盼旺
·
2024-02-13 19:43
2019-5-11经济学人泛读
(Doing)sthisamust.Warmclothesareamustinthemountains.2.preservesththatisonlysuita
ble
orallowedforaparticulargroupofpeople.Americausedtobethelandofopportunityandoptimism.Nowopportunityisseenasthepreser
Tlig
·
2024-02-13 19:53
真机测试提示bug
提示Developmentcannotbeena
ble
dwhileyourdeviceislocked.Pleaseunlockyourdeviceandreattach.(0xE80000E2).我已经解锁了手机
那片飘落的树叶
·
2024-02-13 19:55
知识图谱 & 多模态学习 2024 最新综述
http://arxiv.org/abs/2402.05391项目地址:https://github.com/zjukg/KG-MM-Survey备注:55pages,619citations,11Ta
ble
s
奈何辰星无可奈
·
2024-02-13 19:53
知识图谱
人工智能
综述
多模态学习
计算机顶会
计算机视觉
大语言模型
2023山东失能护理用品展/福祉辅具展/济南残疾人用品展会
China-CWD山东福祉展|快速融合国内外前沿福祉产品与失能护理用品的平台;山东福祉展简要:中国(济南)国际康复福祉及残疾人用品展览会China(Jinan)InternationalWelfareandDisa
ble
dProductsExhibition
feisha0001
·
2024-02-13 19:21
健康
人工智能
MyBatis Plus教程之@Ta
ble
Id
本章节将介绍@Ta
ble
Id注解的用法,该注解用于将某个成员变量指定为数据表主键。
xsqsharp
·
2024-02-13 18:43
MyBatis
Plus
linq
c#
springboot @Scheduled实现定时任务,@Ena
ble
Async,@Async异步任务
java.util.Timer类timer:配置比较麻烦,时间延后问题timertask:不推荐2、Quartz框架配置更简单xml或者注解3、SpringBoot使用注解方式开启定时任务1)启动类里面@Ena
ble
Scheduling
小哇666
·
2024-02-13 18:11
#
springboot
《Linux 简易速速上手小册》第8章: 安全性与加固(2024 最新版)
文章目录8.1防火墙与安全策略8.1.1重点基础知识8.1.2重点案例:配置ipta
ble
s以保护Web服务器8.1.3拓展案例1:使用firewalld配置动态防御区域8.1.4拓展案例2:配置ufw
江帅帅
·
2024-02-13 18:37
《Linux
简易速速上手小册》
linux
运维
服务器
人工智能
python
web3
数据分析
CS50x 2024 - Lecture 3 - Algorithms
TA
BLE
OFCONTENTS00:00:00-Introduction一种统计班上人数的方法,全部站起来,两两配对,一个坐下,循环00:01:01-Overview00:02:58-Attendance00
dc爱傲雪和技术
·
2024-02-13 18:04
计算机科学
读取表达矩阵创建SeuratObject
#Rcodelibrary(Seurat)mat_5<-read.ta
ble
("GSM4037992_peripheral_donor_5_enriched_expression.tsv.gz")row.names
Bioinfoer
·
2024-02-13 18:32
生物信息学
r语言
大数据
CSS Ta
ble
表格布局有两种使用方式,一种是使用HTML提供的ta
ble
标签,一种是使用CSS提供的display:ta
ble
属性。
JunChow520
·
2024-02-13 18:53
线程-线程基础
runa
ble
接口的实现类也可以继承Thread类会执行对应的run方法newFuture(calla
ble
接口的实现类)之后.get()才会真正执行calla
ble
中的call方法这两种有啥区别处理异常方式不同
go_2021
·
2024-02-13 18:22
一文搞懂进程&线程
3.创建多线程的几种方法3.1方法一:继承Thread类3.2方法二:实现Runna
ble
接口3.3方法三:采用匿名内部类3.3.1继承Thread,采用匿名内部类3.3.2实现Runna
ble
,采用匿名内部类
杨小玉_ShawYu
·
2024-02-13 18:22
java
开发语言
经验分享
程序人生
上一页
58
59
60
61
62
63
64
65
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