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性价比ble
2024寒假学习c++进入封装与继承
#include#includeusingnamespacestd;constdou
ble
PI=3.14;初识封装类与对象//第一个////classcircle{//public://公共的访问权限/
张宇超666
·
2024-08-27 19:58
c++
学习
算法
此网站无法提供安全连接 使用了不受支持的协议
再仔细观摩这个SSL的配置server:port:7103ssl:ena
ble
d:falsekey-store:server.jkskey-alias:localhostkey-st
原来你是小幸运
·
2024-08-27 19:26
安全
https
ssl
【性能优化】Django性能优化笔记
但是加载下拉框需要2分钟左右,主机展示ta
ble
也很卡。原因是客户的模块有几千个,主机数据有几万条。而且这些数据都不是本地数据,都是需要调用开放性接口,分页去查
骑鱼的少年
·
2024-08-27 19:26
python+Django
django
性能优化
orm
【架构-24】XML和JSON
XML(可扩展标记语言)(Extensi
ble
MarkupLanguage)特点:结构化:XML使用标签(tags)来组织数据,类似于HTML,每个标签成对出现,用于标记数据的开始和结
W Y
·
2024-08-27 18:22
xml
json
java
数据行-增删改查
数据行-增删改查数据行操作相关的SQL语句插入数据insertinto表名(列名,列名,列名)values(数据(对应列的值),数据(对应列的值),数据(对应列的值));mysql>createta
ble
tb1
阿龙的代码在报错
·
2024-08-27 18:16
MySQL
入门
mysql
Closest Binary Search Tree Value
,findthevalueintheBSTthatisclosesttothetarget.答案classSolution{publicintclosestValue(TreeNoderoot,dou
ble
target
BLUE_fdf9
·
2024-08-27 17:09
Android Studio SQLite Manage
一、类DBHelper:publicclassDBHelperextendsSQLiteOpenHelper{privatestaticfinalStringCREATE_TA
BLE
_START_SQL
努力,别失业
·
2024-08-27 17:41
android
studio
android
studio
sqlite
centos离线安装docker,docker-compose
内核版本:3.10.0-1160.el7.x86_64安装用户:rootdocker离线安装1下载压缩包官网下载地址:https://download.docker.com/linux/static/sta
ble
程序人生518
·
2024-08-27 16:40
centos
docker
linux
FluentFTP库实现FTP文件操作的类
类中的方法都是异步的,使用了await和async关键字.publicinterfaceIFileStore:IDisposa
ble
{TaskSaveAsync(stringfilefullname,StreamfileStream
驾驭人生
·
2024-08-27 16:10
java
服务器
前端
线程创建的几种方式
Java中线程创建主要有以下几种方式继承Thread类、实现Runna
ble
接口、实现Calla
ble
接口、线程池创建具体信息如下:1、继承Thread类publicclassThreadTest1extendsThread
小码毅
·
2024-08-27 14:14
js学习笔记4(函数)
//只有一个参数,括号可以省略letdou
ble
=x=>{return2*x};lettrip
ble
=(x)=>{return2*x};//没有参数需要括号letgetRandom=()=>{returnMath.random
木小伍
·
2024-08-27 14:42
Gradle 6 提示有内容将会在 7 的时候被丢弃
在编译的时候有下面的警告提示:DeprecatedGradlefeatureswereusedinthisbuild,makingitincompati
ble
withGradle7.0.Use'--warning-modeall'toshowtheindividualdeprecationwarnings.Seehttps
HoneyMoose
·
2024-08-27 14:03
Hive SQL
tinyint1byte有符号整数smallint2byte有符号整数int4byte有符号整数bigint8byte有符号整数boolean布尔类型,true或者falsefloat单精度浮点数dou
ble
diluosixu
·
2024-08-27 13:19
数据挖掘
数据库
hive
sql
Python自动化测试Selenium面试题:举例一下你遇到过那些异常?
ElementNotSelecta
ble
Exception:元素不能选择异常ElementNotVisi
ble
Exception:元素不可见异常NoSuchAttributeException:没有这样属性异常
面试题库test
·
2024-08-27 13:19
软件测试
自动化测试
面试题
selenium
测试工具
CDH 之 hive 数据迁移
两个集群之间又互不相通,一个最简单快捷的方法,就是批量导出元数据信息,同时把数据文件下载上传至新服务器的数据文件存放目录下1.导出元数据信息#database即是数据库名称hive-e"use;showta
ble
s
啊 这
·
2024-08-27 13:18
CDH
hive
hadoop
大数据
迁移学习
C语言 | Leetcode C语言题解之第368题最大整除子集
题目:题解:intcmp(int*a,int*b){return*a-*b;}int*largestDivisi
ble
Subset(int*nums,intnumsSize,int*returnSize
DdddJMs__135
·
2024-08-27 13:47
分享
C语言
Leetcode
题解
Hive 数据迁移与备份
迁移类型同时迁移表及其数据(使用import和export)分步迁移表和数据迁移表(showcreateta
ble
)迁移数据关联表和数据(msckrepair)迁移步骤将表和数据从Hive导出到HDFS
linzeyu
·
2024-08-27 13:17
Hive
hive
big
data
hadoop
html css js
html回顾字体:font属性:color:颜色size:字号表格:ta
ble
标签:tr:表格中的行td:单元行中的单元格th:通常使用在ta
ble
中的第一行,成为表头,不经常使用(效果:字体加粗、居中显示
chizhuan6861
·
2024-08-27 13:17
Java | Leetcode Java题解之第368题最大整除子集
题目:题解:classSolution{publicListlargestDivisi
ble
Subset(int[]nums){intlen=nums.length;Arrays.sort(nums);
m0_57195758
·
2024-08-27 13:14
分享
Java
Leetcode
题解
【jvm】局部变量表
目录1.说明2.容量与大小3.存储机制4.生命周期5.槽位重用6.与成员变量的对比1.说明1.JVM(Java虚拟机)中的局部变量表(LocalVaria
ble
sTa
ble
)是JVM执行方法时的一个重要组成部分
王佑辉
·
2024-08-27 12:41
jvm
jvm
Linux系统防火墙概述
防火墙的三表五链1、三表:filter表、nat表、mangle表2、五链:input、prerouting、forward、postrouting、output一、防火墙的概念Linux中存在ipta
ble
s
云何往
·
2024-08-27 12:11
Linux操作系统基础
linux
网络
el-ta
ble
表格翻页后,序号仍然从1开始
1.(this.listQuery.PageIndex-1)*(this.listQuery.PageSize)+index+1=================================================注释:this.listQuery.PageIndex:当前页码。this.listQuery.PageSize:每页数量。=========================
江南听雨寒
·
2024-08-27 12:08
vue.js
前端
javascript
el-ta
ble
自定义排序
需求:Vue项目用到了el-ta
ble
做的表格,需要前端根据指定条件去排序表格,后端没有进行排序。
百思不得小李
·
2024-08-27 11:37
javascript
vue.js
前端
vue el-ta
ble
自定义排序
exportdefault{data(){return{ta
ble
Data:[{date:'2021-01-01',name:'张三'},{date:'2021-01-02',name:'李四'},{date
qq_35175478
·
2024-08-27 11:37
vue
vue.js
javascript
前端
vue中el-ta
ble
翻页序号连续+表格合计
1、遇到问题分页后数据的排序是不连续的解决方式:methods:{ta
ble
_index(index){return(this.currentPage-1)*this.pageSize+index+1}
程序媛na
·
2024-08-27 11:36
vue
vue.js
javascript
html
elementui
gitlab中配置ldap
https://docs.gitlab.com/ee/administration/auth/ldap/vi/etc/gitlab/gitlab.rb#添加配置gitlab_rails['ldap_ena
ble
d
hawk2014bj
·
2024-08-27 11:36
linux
java
spring
boot
centos
mysql 存储过程 - 创建使用示例
●测试需求场景描述使用存储过程循环插入N条数据●创建一张表CREATETA
BLE
`t_user`(`id`bigint(20)NOTNULLAUTO_INCREMENTCOMMENT'主键',`real_name
qq_19783793
·
2024-08-27 10:30
mysql
存储过程
C++ | Leetcode C++题解之第367题有效的完全平方数
题目:题解:classSolution{public:boolisPerfectSquare(intnum){dou
ble
x0=num;while(true){dou
ble
x1=(x0+num/x0)/
Ddddddd_158
·
2024-08-27 10:27
经验分享
C++
Leetcode
题解
kali 安装中文输入 una
ble
to locate package错误解决办法
问题出在执行sudoapt-getinstall之前更换了软件源,但是却忘了update下了,于是执行下面的命令:sudoapt-getupdate等上面命令执行完后,再执行sudoaptinstallnet-tools就可以了!
cuisidong1997
·
2024-08-27 09:54
linux
服务器
ubuntu
解决yum不能正常使用,报错: No module named yum,如何安装python2和python3并行版本,搭建自动化环境
是在我之后的操作过程中被搞坏了,为了恢复yum只能一步步的排查,现在执行yum直接报错就是:Nomodulenamedyum[centos@ip-172bin]$sudoyumcleanallTherewasapro
ble
mimporti
兰若姐姐
·
2024-08-27 09:21
安装教程
报错解决
工具使用专栏
自动化
运维
mysql explain详解
mysqlexplain详解1.explain是什么2.id列3.select_type列4.partitions列5.type列6.possi
ble
_keys和key列7.key_len列8.ref列
DongGei
·
2024-08-27 08:48
mysql
java
sqlite blob 数据检索(基于sqlite3_get_ta
ble
的优化)
sqliteblob数据检索(基于sqlite3_get_ta
ble
的优化sqlite数据库blob数据插入与检索blob数据的插入blob数据的检索sqlite_get_ta
ble
检索blob数据存在的问题
绝非小练
·
2024-08-27 08:46
c语言
sqlite
数据库
方的ScalersTalk第四轮新概念朗读持续力训练Day201 20200228
Peoplebecomequiteillogicalwhentheytrytodecidewhatcanbeeatenandwhatcannotbeeaten.IfyoulivedintheMediterranean,forinstance,youwouldconsideroctopusagreatdelicacy.Youwouldnotbea
ble
tounderstandwhysome
daisy境界的彼方
·
2024-08-27 08:09
React实现组件的拖拽
下面记录一下学习的心得:了解HTML的拖拽注意:为了让元素可拖动,需要使用HTML5dragga
ble
属性。提示:链接和图片默认是可拖动的,不需要dragga
ble
属性。在拖放的过程中会触
赐你岁月如歌
·
2024-08-27 07:41
React学习
前端
RK3568-设备树休眠唤醒
设备树rockchip_suspend:rockchip-suspend{compati
ble
="rockchip,pm-rk3568";status="disa
ble
d";rockchip,sleep-debug-en
Paper_Love
·
2024-08-27 07:38
RK3568
linux
Java常见算法
publicclassBub
ble
Sort{publicstaticvoi
纣王家子迎新
·
2024-08-27 06:35
排序算法
贪心算法
图搜索算法
广度优先
深度优先
回溯算法
动态规划
2023-03-11高考考研规划的梁老师关于如何通过填报志愿找到
性价比
高的学校
看了小部分梁老师关于高考考研的分析,其关于全国以及各省的人口流出流入的详细数据分析,除了医学专业外,提出了逆向填报高考和考研志愿的原则,确实从理论到实操都很有意义。在关于高考和考研方面,其维度之高,视角之广,超过了我所知道的任何一位大咖,继续学习中……
冷月云海
·
2024-08-27 06:34
开源虚拟化ACNR
OverViewTheACRNHypervisorisaType1referencehypervisorstack,runningdirectlyonthebare-metalhardware,andissuita
ble
foravarietyofIoTandembeddeddevicesolutions.TheACRNhypervisoraddressesthegapthatcurrentlyex
a2591748032-随心所记
·
2024-08-27 04:53
hypervisor
虚拟化
ACRN Hypervisor之网卡争端
tap网卡根据网页GettingStartedGuide—ProjectACRN™3.4-unsta
ble
documentation,我们可以知道安装完ACRN之后,有一个使用systemd-networkd
LZZ and MYY
·
2024-08-27 04:53
ACRN
Hypervisor
&
ECI
linux
acrn
type1
Hypervisor
colResiza
ble
插件实现网页中表格列宽自定义
解决方法:使用jQuery的一个插件,名称叫colResiza
ble
,可以实现。
梁萌
·
2024-08-27 04:21
html/css
js/jq
列表字段拖动
表格宽度自定义
【C#】【EXCEL】Bum
ble
bee/Classes/ExChart.cs
Bum
ble
bee/Classes/ExChart.csFlowdiagram可选/Optional可选/Optional可选/Optional可选/Optional可选/Optional可选/Optional
hmywillstronger
·
2024-08-27 04:50
c#
excel
java
Midjourney提示词-动物系列-12
PixarStyle,anthropomorphic,Tinycuteandadora
ble
OXHobbitadventurerdressedinfantasyarmourstandinginthevegetationholesintherainforest
雨过朦胧影
·
2024-08-27 03:19
Midjourney
midjourney
ai作画
Midjourney
Spring之环境变量配置
本地配置实现原理项目启动时准备环境publicclassSpringApplication{publicConfigura
ble
ApplicationContextrun(String...args){
Lucifer Zhao
·
2024-08-27 03:48
Spring
spring
Java 线程的生命周期
直至运行结束*可以通过调用Thread类的相关方法影响线程的运行状态*2.线程的运行状态:*新建(New):当创建了一个Thread对象时,该对象就处于“新建状态”,没有启动,因此无法运行*可执行(Runna
ble
L-xykeen
·
2024-08-27 03:17
java
java-ee
java
【Java EE】深入探讨 Java 中 Thread 类的使用
1.线程的创建与启动在Java中,创建一个线程主要有两种方式:通过继承Thread类或者实现Runna
ble
接口。两者的主要区别在
游向大厂的咸鱼
·
2024-08-27 03:17
java
java-ee
开发语言
解决微服务--Spring启动失败(nacos)
java.util.concurrent.ExecutionException:com.alibaba.nacos.shaded.io.grpc.StatusRuntimeException:UNAVAILA
BLE
تچ快乐杂货店يچ
·
2024-08-27 03:16
微服务
spring
spring
boot
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
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