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C++八股
C++数据结构内存排列结构体和类占用的内存:==虚函数和虚表的原理==虚函数虚表(Vta
ble
)虚函数和虚表的实现细节==内存泄漏==指针的工作原理函数的传值和传址new和delete与malloc和freeC
Petrichorzncu
·
2024-09-16 06:22
八股总结
c++
开发语言
Ta
ble
列表复现框实现【勾选-搜索-再勾选】
Ta
ble
列表复现框实现【勾选-搜索-再勾选】概要整体架构流程代码实现技术细节注意参考文献概要最近在开发时遇到一个问题,在进行表单渲染时,正常选中没有问题,单如果需要搜索选中时,一个是已选中的不会回填,
~四时春~
·
2024-09-16 05:51
java
开发语言
elementui
vue
vue+el-ta
ble
可输入表格使用上下键进行input框切换
使用上下键进行完工数量这一列的切换-->//键盘触发事件show(ev,index){letnewIndex;letinputAll=document.querySelectorAll('.ta
ble
_inputinput
以对_
·
2024-09-16 05:51
vue学习记录
vue.js
javascript
前端
vue + Element UI ta
ble
动态合并单元格
(横向合并)二、功能实现exportdefault{data(){return{ta
ble
Data:[{name:'a',address:'1',age:'1',six:'2'},{name:'a',addre
我家媳妇儿萌哒哒
·
2024-09-16 05:50
element
UI
vue.js
前端
javascript
【RabbitMQ 项目】服务端:数据管理模块之绑定管理
绑定就好像一根绳子,两端连接着交换机和队列,当一方不存在,它就没有存在的必要了定义绑定持久化类构造函数:如果数据库文件不存在则创建,打开数据库,创建binding_ta
ble
插入
月夜星辉雪
·
2024-09-16 05:49
rabbitmq
分布式
2019-07-09 AutoCompleteTextView 问题
实现自定义Adapter要实现Filtera
ble
接口,不然会报错重写getFilter()方法performFiltering()方法实现过滤数据的操作publishResults()用来接收performFiltering
皮皮铭
·
2024-09-16 04:46
【Java】已解决:java.util.concurrent.CompletionException
java.util.concurrent.CompletionException一、分析问题背景在Java并发编程中,java.util.concurrent.CompletionException是一种常见的运行时异常,通常在使用Completa
ble
Future
屿小夏
·
2024-09-16 04:11
java
开发语言
代码随想录Day 41|动态规划之买卖股票问题,leetcode题目121. 买卖股票的最佳时机、122. 买卖股票的最佳时机Ⅱ、123. 买卖股票的最佳时机Ⅲ
解题思路:题目三:123.买卖股票的最佳时机III解题思路总结买卖股票的最佳时机相关题目题目一:121.买卖股票的最佳时机[[121.买卖股票的最佳时机](https://leetcode.cn/pro
ble
ms
LluckyYH
·
2024-09-16 04:10
动态规划
leetcode
算法
数据结构
LeetCode github集合,附CMU大神整理笔记
Githu
bLe
etCode集合本人所有做过的题目都写在一个java项目中,同步到github中了,算是见证自己的进步。github目前同步的题目是2020-09-17日之后写的题。
Wesley@
·
2024-09-16 03:35
LeetCode
github
leetcode-124 Binary Tree Maximum Path Sum
Givenanon-emptybinarytree,findthemaximumpathsum.Forthispro
ble
m,apathisdefinedasanysequenceofnodesfromsomestartingnodetoanynodeinthetreealongtheparent-childconnections.Thepathmustcontainatleastonenodea
乐观的大鹏
·
2024-09-16 03:32
LeetCode
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your
createta
ble
students(idintunsignedprimarykeyauto_increment,namevarchar(50)notnull,ageintunsigned,highdecimal
†徐先森®
·
2024-09-16 03:02
Oracle数据库
Web相关
错误集
【LeetCode】53. Maximum Subarray
问题描述问题链接:https://leetcode.com/pro
ble
ms/maximum-subarray/#/descriptionFindthecontiguoussubarraywithinanarray
墨染百城
·
2024-09-16 03:02
LeetCode
leetcode
Vicky的ScalersTalk第六轮新概念朗读持续力训练Day73 20210411
练习材料:ModerncavemenPart-3ˈmɒdənˈkeɪvmənpɑːt-3Theyplungedintothelake,andafterloadingtheirgearonaninflata
ble
rubberdinghy
Vicky_b9de
·
2024-09-16 03:15
使用selenium调用firefox提示Profile Missing的问题解决
使用python3运行selenium提示ProfileMissing,具体信息为:YourFirefoxprofilecannotbeloaded.Itmaybemissingorinaccessi
ble
歪歪的酒壶
·
2024-09-16 02:00
selenium
测试工具
python
自定义分区
job.setPartitionerClass(xxx.class)按照年龄分区:classAgePartitionerextendsPartitioner{@OverridepublicintgetPartition(MyCompara
ble
key
我的K8409
·
2024-09-16 02:28
Hadoop
hdfs
hadoop
大数据
shell脚本中sed命令如何使用变量
比如,在nginx的配置中,我们需要根据环境来更新/etc/nginx/sites-availa
ble
/default中的目录配置。
歪歪的酒壶
·
2024-09-16 02:26
linux
ansi
ble
的安装、使用
简介高度模块化,调用特定的模块,完成特定的任务,基于Yaml,来完成批量任务的模板化,来支持playbook。基于Python语言实现,主要使用Paramiko、PyYAML和JinJa2三个关键模块,部署简单(agentless),主从模式,支持自定义模块,支持playbook,幂等性:允许重复执行N次,没有变化时,只会执行第一次。特点:1、Configuration(cfengine,chef
ytym00
·
2024-09-16 02:55
el-ta
ble
实现全选整表,单元一页复选框功能
全选整表单选一页0":popper-append-to-body="false":total="ta
ble
Data.length":page-size="pageObj.pagesize":page-sizes
周bro
·
2024-09-16 01:54
vue.js
elementui
javascript
前端
python画图|同时输出二维和三维图
https://matplotlib.org/sta
ble
/gallery/mplot3d/mixed
西猫雷婶
·
2024-09-16 01:53
python
开发语言
Vue + Express实现一个表单提交
环境:Node10+前端:Vue服务端:Express依赖包:vueexpressaxiosexpress-formida
ble
element-ui(可选)前言:axiosget请求参数是:paramsaxiospost
九旬大爷的梦
·
2024-09-16 01:10
iOS下拉放大效果
好多下拉放大的实现方式是在ta
ble
View上面添加一个view,同时更改ta
ble
View.contentInset,下拉时改变view的frame来实现。
RobinZhao
·
2024-09-16 01:09
Ubuntu常用命令整理
openssh-serversudoapt-getinstallopenssh-server检查安装是否成功sudops-e|grepssh开启ssh服务sudoservicesshstartUbuntu开启/关闭防火墙:开启防火墙sudoufwena
ble
十里染林
·
2024-09-16 01:56
如何利用Samba跨平台分享Ubuntu文件夹
sudovim/etc/samba/smb.conf打开配置文件滑动文件到最底下输入以下内容[Share]#要共享的文件夹路径path=/home/xxx/sambasharereadonly=nobrowsa
ble
GottenZZP
·
2024-09-16 00:46
部署相关
ubuntu
linux
运维
Ubuntu Juju 与 Ansi
ble
的区别
JujuandAnsi
ble
arebothpowerfultoolsusedformanagingandorchestratingITinfrastructureandapplications,buttheyhavedifferentapproachesandusecases.Here
xidianjiapei001
·
2024-09-16 00:15
#
Kubernetes
ubuntu
ansible
linux
云原生
Juju
二十四、k8s 资源管理
示例:创建一个pod5、测试用例测试1:测试2:测试3:二、资源服务质量管理(RequestsQos)1、Qos级别分类:1.1、Guaranteed:1.2、BestEffort:1.3、Bursta
ble
繁华依在
·
2024-09-16 00:41
k8s
kubernetes
容器
云原生
六、全局锁和表锁:给表加个字段怎么有这么多阻碍
MySQL提供了一个加全局读锁的方法,命令是Flushta
ble
swithreadlock(FTWRL)。当你需要让整个库处于
nieniemin
·
2024-09-16 00:09
svg图片兼容性和用法优缺点
svg可缩放矢量图形(Scala
ble
VectorGraphics),顾名思义就是任意改变其大小也不会变形,是基于可扩展标
独行侠_ef93
·
2024-09-15 22:38
每日一题《leetcode--LCR 022.环形链表||》
https://leetcode.cn/pro
ble
ms/c32eOV/我们使用两个指针,fast与slow。它们起始都位于链表的头部。
Peace & Love487
·
2024-09-15 22:02
题目分享
leetcode
链表
算法
笔记
数据结构
LCR 078. 合并 K 个升序链表
https://leetcode.cn/pro
ble
ms/vvXgSW/description/https://leetcode.cn/pro
ble
ms/vvXgSW/description/解题思路方法一
装B且挨揍の
·
2024-09-15 22:32
LeetCode
链表
算法
数据结构
经验分享
笔记
java
python比较字符串是否一样,Python如何确定两个字符串是否相同
akasharingthesamememorylocation).Howeverduringmytests,thereseemstobenoobviousexplanationwhentwostringvaria
ble
sthatareequalsharethesamememory
鲁东学子
·
2024-09-15 22:31
python比较字符串是否一样
【C#Mutex】 initiallyOwned错误引起的缺陷
错误代码封装类publicclassCMutexHelp:IDisposa
ble
{publicCMutexHelp(){s_mutex.WaitOne();}privatestaticMutexs_mutex
闻缺陷则喜何志丹
·
2024-09-15 19:31
c#
互斥量
进程
同步
WaitOne
initiallyOwned
临界区
MySQL锁
检查死锁如何避免死锁MySQL中锁的分类全局锁:主要用于全库逻辑备份表级锁:表锁、元数据锁、意向锁表锁:通过lockta
ble
s语句对表进行加锁,它不仅限制其他
沉着冷静2024
·
2024-09-15 19:30
MySQL
mysql
数据库
python-pcl函数_Python简介,第4章-函数
Baldricfoundhimselfinanenormouscavern,itsceilinglostinshadow.Greatcolumnsofblackstonesoaredfromtheground,andpoolsoflavabub
ble
dthroughout
cumei1658
·
2024-09-15 19:29
java
webgl
python
lua
ios
Reversi
ble
Primes (C语言实现)
题目Areversi
ble
primeinanynumbersystemisaprimewhose"reverse"inthatnumbersystemisalsoaprime.Forexampleinthedec
OliverLew
·
2024-09-15 19:33
好看的vue登录页面(附 源代码 背景图)
注册exportdefault{name:"MedLogin",data(){return{confirm_disa
ble
d:false,loginForm:{no:'',password:''},rules
小小薛定谔
·
2024-09-15 19:28
vue.js
javascript
css
前端
linux挂载文件夹
启动和启用NFS服务假设服务名称为nfs-server.service,你可以使用以下命令启动和启用它:sudosystemctlstartnfs-server.servicesudosystemctlena
ble
nf
小码快撩
·
2024-09-15 19:58
linux
Sentinel实时监控不展示问题
SpringBoot1.x中添加配置management.security.ena
ble
d=false。暴露的endpoint路径为/sentinelS
朱杰jjj
·
2024-09-15 19:28
sentinel
sentinel
HTML中"bgcolor"与"background-color"的区别
作为ta
ble
的属性而言:HelloWorld!和HelloWorld!效果完全相同。作为body属性而言:效果完全相同。不过个人推荐统一用CSS样式进行控制,把style统一放到.css文件中。
Sardar_
·
2024-09-15 18:18
html
P1576 最小花费
[](最小花费-洛谷)#includeusingnamespacestd;inthead[200010],tim;dou
ble
dis[200010];boolflag[200010];structcsz
「已注销」
·
2024-09-15 17:17
算法
c++
数据结构
一串奇特的代码
body{display:ta
ble
-cell;vertical-align:middle;//垂直居中}div{margin:atuo;height:100px;width:100px;outline
hi武林高手
·
2024-09-15 17:30
Presto【基础 01】简介+架构+数据源+数据模型
Presto处理ta
ble
时,是通过表的完全限定(fully-qualified)名来找到Catalog。
2401_84254343
·
2024-09-15 16:09
程序员
架构
数据库常见笔试面试题及其解析
1.数据抽象:物理抽象、概念抽象、视图级抽象,内模式、模式、外模式2.SQL语言包括数据定义、数据操纵(DataManipulation),数据控制(DataControl)数据定义:CreateTa
ble
yxsr_zxx
·
2024-09-15 16:09
数据库
数据库
SqlServer
Oracle
笔试
面试
【RabbitMQ 项目】服务端数据管理模块之交换机管理
编写思路定义交换机类型直接交换广播交换主题交换定义交换机名字类型是否持久化定义交换机持久化类(持久化到sqlite3)构造函数(只能成功,不能失败)如果数据库(文件)不存在则创建打开数据库打开exchange_ta
ble
月夜星辉雪
·
2024-09-15 16:37
rabbitmq
oracle
数据库
SQL查询技巧:深入解析学生选课系统数据库
系统数据库结构首先,我们有一个包含以下表的数据库:course-存储课程信息建表CREATETA
BLE
`course`(`CNO`varchar(5)NOTNULL,`CNAME`varchar(10)
天冬忘忧
·
2024-09-15 16:36
SQL
数据库
sql
oracle
大数据真实面试题---SQL
题目根据3张表表结构,写出具体求解的SQL代码(搞笑品类定义:视频分类或者视频创建者分类为“搞笑”)1、表创建语句:createta
ble
t_user_video_action_d(dsint,user_idstring
The博宇
·
2024-09-15 15:32
大数据面试题——SQL
大数据
mysql
sql
数据库
big
data
HALTT4LLM:大型语言模型的幻觉检测指标
haltt4llmThisprojectisanattempttocreateacommonmetrictotestLLM'sforprogressineliminatinghallucinationswhichisthemostseriouscurrentpro
ble
minwidespreadadoptionofLLM'sformanyrealpur
谢忻含Norma
·
2024-09-15 14:30
Java内存模型基础
局部变量(LocalVaria
ble
s)、方法定义参数(FormalMethodParameters)和异常处理器参数(ExceptionHandlerParameters)不会在线程之间共享,它们不会存在内存可见性问题
2401_84002271
·
2024-09-15 14:57
程序员
java
学习
经验分享
Java – 数组Copy的几种方式
cloneSystem.arraycopyArrays.copyOfArrays.copyOfRange1、clone方法clone方法是从Object类继承过来的,基本数据类型(String,boolean,char,byte,short,float,dou
ble
hooc
·
2024-09-15 13:22
java
web
Flexi
ble
BI系统是现代制造企业提升生产质量和效率的重要工具
Flexi
ble
BI实时更新的控制图在生产过程中,控制图可以实时自动更新,确保企业能够随时掌握生产状态,及时发现并处理潜在问题。
三坐标CMM质量数据系统
·
2024-09-15 13:47
制造
深入理解LangChain中的Callback机制:如何为Runna
ble
添加回调函数
深入理解LangChain中的Callback机制:如何为Runna
ble
添加回调函数引言在LangChain中,回调(Callbacks)是一种强大的机制,允许开发者在运行过程中监控和干预各种操作。
aehrutktrjk
·
2024-09-15 12:04
langchain
python
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