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
SQLITE3主键自增
sqlite3中提供了主键自增的字段,在创建表时,主键加上AUTOINCREMENT该字段即可实现主键自增,例:创建表CREATETA
BLE
COM(IDINTEGERPRIMARYKEYAUTOINCREMENT
九抈九
·
2024-08-27 02:12
sqlite
数据库
java
SQLite Autoincrement及实例,主键自增长
下面是一个使用Autoincrement的示例:sqlCREATETA
BLE
users(idINTEGERPRIMARYKEYAUTOINCREMENT,nameTEXT,ageINTEGER);在上面的示例中
锐湃
·
2024-08-27 02:41
database
sqlite
数据库
SQLite 插入数据并返回自增ID
首先,创建一个表来存储学生信息:CREATETA
BLE
students(idINTEGERPRIMARYKEYAUTOINCREMENT,nameTEXT,ageINTEGER);SQLCopy然后,我们可以
※※冰馨※※
·
2024-08-27 02:39
数据库
c#
sqlite3
windows c++ (7) yaml-cpp vs2019编译
安装make遇到__declspec(dllimport)constYAML::BadSubscript::vfta
ble
错误,请在CMAKE时勾选YAML_BUILD_SHARED_LIBS在编译完成
勤又氪猿
·
2024-08-27 02:09
windows
c++
c++
开发语言
Gam
ble
r
“Allmechanicalhabits,tastesandweaknessesfightagainstself-rememberinginman”~Gurdjieff「人裡面所有機械性的習慣、嗜好和軟弱,都在反對記得自己。」~葛吉夫图片发自App
Alicesyuu
·
2024-08-27 00:40
git错误:una
ble
to auto-detect email address
gitcommit的时候报如下错误fatal:una
ble
toauto-detectemailaddress(got'root@hu2i_ferhat.
huyiwan
·
2024-08-27 00:25
Tomcat热加载和热部署
热加载:在server.xml->context标签中设置reloada
ble
="true"热部署:在server.xml->Host标签中设置auto
阿立聊代码
·
2024-08-27 00:56
Tomcat
tomcat
java
tomcat热加载
tomcat热部署
Word/WPS中一次选中所有表格,调整样式?
word一次选中所有表格stepone:ALT+F8创建宏Steptwo:将代码粘贴进编辑器,直接覆盖编辑器中原有代码Sub全选所有表格()DimtAsTa
ble
an=MsgBox("即将选择选区内所有表格
啊喔啊喔R
·
2024-08-26 23:25
word
python用scrapy爬虫豆瓣_python爬虫框架scrapy 豆瓣实战
Anopensourceandcollaborativeframeworkforextractingthedatayouneedfromwebsites.Inafast,simple,yetextensi
ble
way
weixin_39745724
·
2024-08-26 22:50
Java笔试面试题AI答之集合(5)
文章目录25.简述HashMap和HashTa
ble
有何不同?26.ArrayList和Vector有何异同点?相同点不同点27.Array和ArrayList有何区别?什么时候更适合用Array?
工程师老罗
·
2024-08-26 22:45
Java笔试面试题AI答
java
开发语言
Java笔试面试题AI答之线程(4)
1.使用线程池2.使用Calla
ble
和Future3.保证变量可见性4.保证线程安全5.避免死锁6.安全地终止线程7.使用并发容器8.使用ThreadLocal避免共享变量9.合理使用原子类10.编写可测试的代码
工程师老罗
·
2024-08-26 22:45
Java笔试面试题AI答
java
开发语言
2024年Android高级面试题总结(附答案解析)
9.简述jvm中默认的classLoader与功能10.switch语句后的控制表达式只能是short、char、int、long整数类型和枚举类型,不能是float,dou
ble
和boolean类型。
2401_84519907
·
2024-08-26 22:15
程序员
android
Java笔试面试题AI答之集合(4)
22.解释Collection不从Clonea
ble
和Serializa
ble
接口继承?1.设计的灵活性2.接口的通用性3.实际的实现方式结论23.解释为何Map接
工程师老罗
·
2024-08-26 22:14
Java笔试面试题AI答
java
开发语言
随手小记-Oracle数据库导出行数大于1048576行的数据集到excel
--第一次导出前1048576行SELECT*FROMyour_ta
ble
WHEREROWNUM1048576;备注:1048576是xlsx文件的最大行数
李安迪是大神
·
2024-08-26 22:43
数据库
sql
mysql
数据类型大小
以如下标准的数据类型为例:char/short/int/long(long)/float/(long)dou
ble
sizeofC/C++/C#都提供sizeof运算符计算类型大小,尽
程序员小迷
·
2024-08-26 21:10
编程语言
java
jvm
开发语言
编程
软件开发
程序员
数据类型
ansi
ble
模块超全解析,拿下ansi
ble
常用模块(一)
目录ansi
ble
模块command模块shell模块script模块file模块copy模块fetch模块lineinfile模块replace模块user模块group模块ansi
ble
模块模块基本信息查看
郭不戳
·
2024-08-26 21:37
ansible自动化运维
ansible
linux
centos
Ansi
ble
模块
Ansi
ble
模块简介Ansi
ble
是自动化运维工具,能实现跨主机对应用编排管理部署。Ansi
ble
能批量配置、部署、管理上千台主机,是应用级别的跨主机编排工具。
l25803691121
·
2024-08-26 21:37
ansible
linux
运维
【IEEE】IEEE审稿意见与回复-写作指南
IEEE审稿意见与回复审稿意见-写作指南0IEEE审稿流程与状态解读1意见-怎么写(编辑与审稿人)1.常用的审稿意见角度语言方面内容和篇幅方面实验方面结论方面2Reject(una
ble
toaccept
五阿哥爱跳舞
·
2024-08-26 20:05
科研路上欢乐多
IEEE大修审稿意见
Ansi
ble
模块介绍
Ansi
ble
中常用模块目录一、Ansi
ble
命令运行方式及常用参数1、命令的格式:2、常用的参数:二、Ansi
ble
中常用模块a、ping模块b、command模块常用参数语法:c、raw模块d、shell
爱折腾的小土豆
·
2024-08-26 20:34
ansible
服务器
linux
ansi
ble
/bin/bashecho"helloeord">/opt/test1.txt[root@test41opt]#ansi
ble
192.168.65.10-mscript-a"/opt/test.sh"
王-先生
·
2024-08-26 20:34
linux
运维
服务器
ansible
ansi
ble
模块
tags模块可以给任务定义标签,可以根据标签来运行指定的任务[root@test41opt]#vimtest1.yaml#标签的类型#always:设定标签名为always,除非指定跳过这个标签,否则该任务始终会运行,即使指定了标签还会运行#never:从不运行的任务,指定标签名never可以运行#debug:用于调试#setup:收集主机的信息#标签名也可以自定义:tags-hosts:192
王-先生
·
2024-08-26 20:33
ansible
网络
运维
Java笔试面试题AI答之集合(6)
33.简述ConcurrentHashMap和HashTa
ble
有什么区别?
工程师老罗
·
2024-08-26 20:01
Java笔试面试题AI答
java
开发语言
[sklearn] 分类指标解惑
首先查看metrics官方文档:https://scikit-learn.org/sta
ble
/api/sklearn.metrics.htmlweighted/macro/micro/samples的区别
PigeonGuan
·
2024-08-26 18:38
sklearn
分类
人工智能
react antd less-loader 配置
导致less-loader的配置出现问题,而且less版本3.0之后,在react加载less文件时会报出错误:.bezierEasingMixin();InlineJavaScriptisnotena
ble
d.Isitsetinyouroptions
mstark
·
2024-08-26 18:36
react
config
react
JAVA 异常处理
定义格式:2.2注意事项:三、throw抛出异常3.1格式:3.2注意事项3.3throws和throw的区别四、try-catch方式处理异常4.1定义格式4.2执行流程4.3注意事项五、Throwa
ble
Aokl_LuvSic
·
2024-08-26 16:26
java
开发语言
Vue 项目实战1-学习计划表
Vue项目实战1-学习计划表一、大致实现思路1.页面结构设计使用ElementUI的`el-card`、`el-form`、`el-ta
ble
`等组件来构建页面的基本结构。
架构师ZYL
·
2024-08-26 16:25
vue实战项目
vue.js
学习
前端
elementui
javascript
高效的PNG编码与解码库LodePNG
图像编解码文章目录图像编解码高效的PNG编码与解码库技术分析应用场景高效的PNG编码与解码库是由LouisvanderVeer开发的一个开源C++库,用于处理PNG(Porta
ble
NetworkGraphics
工头阿乐
·
2024-08-26 15:50
图像处理
图像处理
CF 967 D. Longest Max Min Subsequence
原题链接:Pro
ble
m-D-Codeforces题意:多测,每次给出长度为n的数组,要求找出没有重复元素的,最长的子序列,如果不止一个最长子序列,那么就选择字典序最小的,比较字典序的时候,如果这个元素的下标是奇数
Jiu-yuan
·
2024-08-26 14:14
算法
数据结构
WEB渗透Win提权篇-MYSQL-udf
cloak.pylib_mysqludf_sys.dll_Mysql>5.1udf.dll放置在lib\pluginMysql<5.1udf.dll放置在c:\windows\system32#showvaria
ble
slike
Pluto-2003
·
2024-08-26 14:13
渗透测试
mysql
渗透测试
WEB渗透
网络安全
WEB安全
提权
WEB渗透Win提权篇-RDP&Firewall
RDPHydra爆破RDP>hydra-ladmin-P/root/Desktop/passwords-S192.168.0.0rdpNlbruteMSF开启>runpost/windows/manage/ena
ble
_rdp
Pluto-2003
·
2024-08-26 13:09
渗透测试
渗透测试
网络安全
WEB安全
WEB渗透
提权
E. Linear Kingdom Races
https://codeforces.com/pro
ble
mset/pro
ble
m/115/E线段树优化dpO(n2)->O(nlogn)分析题意发现可以有暴力dpdp(i)是前i条路最大利润dp(i)
Lanthanmum
·
2024-08-26 13:09
算法
数据结构
动态规划
@RequstParam@PathVaria
ble
@RequestBody的区别
文章目录概述@RequestParam:@PathVaria
ble
:@RequestBody:概述@RequestParam、@RequestBody和@PathVaria
ble
是Spring框架中用于处理
tryCbest
·
2024-08-26 12:32
service
spring
boot
参数处理
spring
eclipse java 性能分析工具_性能分析工具VisualVM for eclipse安装过程总结
JavaVisualVMJavaVisualVMisatoolthatprovidesavisualinterfaceforviewingdetailedinformationaboutJavaapplicationswhiletheyarerunningonaJavaVirtualMachine(JVM),andfortrou
ble
shootingandprofilingtheseapplica
白鹡鸰
·
2024-08-26 12:55
eclipse
java
性能分析工具
c语言专属英语单词,C语言 V 编程英语单词.doc
DataStructures基本数据结构Dictionaries字典PriorityQueues堆GraphDataStructures图SetDataStructures集合Kd-Trees线段树NumericalPro
ble
ms
时间还早
·
2024-08-26 12:25
c语言专属英语单词
Mac M1Pro 安装Java性能监控工具VisualVM 2.1.9
本地已经安装了java8,在终端输入jvisualvm提示没有安装zhinian@sara~%jvisualvmTheoperationcouldn’tbecompleted.Una
ble
tolocateaJavaRuntimethatsupportsjvisualvm.Pleasevisithttp
只年
·
2024-08-26 11:53
工具使用
macos
java
开发语言
Ansi
ble
-playbook 应用梳理
前面已经介绍过Ansi
ble
的安装配置及常见模块的使用--《Linux下使用Ansi
ble
处理批量操作》Palybook简介palybook是由一个或多个paly组成的列表,play的主要功能在于将事先归并为一组的主机装扮成事先通过
讲文张字
·
2024-08-26 11:00
MySQL:8.0.21版本特性
一、新特性Mysql和Innodb增强:1、undo可以新增表空间mysql>CREATEUNDOTA
BLE
SPACEundo_3ADDDATAFILE'file_name.ibu';QueryOK,0rowsaffected
重庆八怪
·
2024-08-26 10:47
c# 新增一条数据
//////新增数据//////一条数据[HttpPost]publicMessageModelPost([FromBody]Dta
ble
request){varlastdata=DbCon.Querya
ble
vbloveshllm
·
2024-08-26 10:18
c#
java
前端
Java中泛型Type 解析
前言java的反射类型分打开5种类型,如下所示1.ParameterizedType(参数化类型)2.GenericArrayType(数组类型)3.TypeVaria
ble
(类型变量)4.Class(
哥咫匙传说
·
2024-08-26 10:18
安卓
Java
java
kotlin
android
【C#】【EXCEL】Bum
ble
bee/Components/Analysis/GH_Ex_Ana_CondBar.cs
这段代码定义了一个名为GH_Ex_Ana_CondBar的Grasshopper组件,其主要功能是为Excel工作表中的特定范围添加条件格式条形。以下是该组件的主要功能和特点:功能概述:为Excel中的数据范围添加基于相对值的条件格式条形允许用户自定义条形的颜色提供选项来使用渐变色或纯色条形可以清除现有的条件格式可以控制是否激活条件格式输入参数:工作表数据范围数据单元格颜色是否使用渐变是否清除现有
hmywillstronger
·
2024-08-26 10:46
c#
excel
java
Day16_集合与迭代器
1.3API演示1、演示添加2、演示删除3、演示查询与获取元素2Iterator迭代器2.1Iterator接口2.2迭代器的实现原理2.3Itera
ble
接口1、Itera
ble
接口依赖Iterator
小鱼儿y
·
2024-08-26 10:46
javase
java
开发语言
5分钟 Sta
ble
Diffusion 本地安装
Sta
ble
Diffusion是一种强大的文本到图像生成模型,由于其开源特性,用户可以在本地计算机上进行安装和使用。下面是一个精简的5分钟快速指南,帮助您在本地安装Sta
ble
Diffusion。
狒狒伯尼
·
2024-08-26 10:45
stable
diffusion
蓝易云 - 深入理解Java序列化接口及其实现机制
序列化接口Java中,序列化通过实现java.io.Serializa
ble
接口来启用。这是一个标记接口(不含方法),用于启用序列化功能而无需实现任何方法。只是表明类的对
蓝易云
·
2024-08-26 07:02
java
开发语言
linux
kubernetes
centos
SX_c语言查询数组下标更改参数函数_18
项目中第一个自己独立写出来的函数:/***@brief根据cmd_ta
ble
的name变量来查询并设置其usage和name变量的值*@paramnamecmd_ta
ble
的name变量*@paramusage
Narnat
·
2024-08-26 07:59
c语言
算法
数据结构
Oracle外键约束
一、创建外键约束两种方法1.创建表时createta
ble
子表(idnumber,namevarchar2(5),foreignkey(id)references父表(列名));2.随时更改alterta
ble
O-0-O
·
2024-08-26 07:27
Oracle
XSHELL命令
列出当前目录下以字母a开头的所有文件ls-l*.doc给出当前目录下以.doc结尾的所有文件2、命令cp复制文件cpafileafile.bak把文件复制为新文件afile.bakcpafile/home/bi
ble
月亮月亮要去太阳
·
2024-08-26 07:57
linux
服务器
网络
【C#】【EXCEL】Bum
ble
bee/Components/Analysis/GH_Ex_Ana_CondBetween.cs
这段代码定义了一个名为GH_Ex_Ana_CondBetween的Grasshopper组件,其主要功能是为Excel工作表中的特定范围添加条件格式。具体来说:功能概述:为Excel中的数据范围添加基于区间值的条件格式允许用户自定义高亮颜色提供选项来反转条件(高亮区间外的值)可以清除现有的条件格式可以控制是否激活条件格式输入参数:工作表数据范围数据区间(用于评估的数值范围)单元格颜色是否反转条件是
hmywillstronger
·
2024-08-26 06:25
c#
excel
开发语言
C语言 之 自定义类型:结构体
结构体类型的声明结构体的声明structtag{member-list;//结构体中的成员,可以有多个}varia
ble
-list;//这里是直接创建结构体的变量,但是不一定要在这里声明变量//不能把后面这个
fallzzzzz
·
2024-08-26 06:25
c语言
开发语言
【C#】【EXCEL】Bum
ble
bee/Classes/ExCell.cs
Bum
ble
bee/Classes/ExCell.csFlowdiagram默认构造函数DefaultConstructor复制构造函数CopyConstructor地址构造函数AddressConstructor
hmywillstronger
·
2024-08-26 06:52
c#
excel
java
【C#】【EXCEL】Bum
ble
bee/Classes/ExEnums.cs
文章目录Bum
ble
bee/Classes/ExEnums.csFlowdiagramDescriptionCodeBum
ble
bee/Classes/ExEnums.csFlowdiagramBum
ble
beeNamespaceBum
ble
bee
hmywillstronger
·
2024-08-26 06:52
c#
excel
python
上一页
24
25
26
27
28
29
30
31
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