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低功耗蓝牙ble
备战秋招60天算法挑战,Day24
题目链接:https://leetcode.cn/pro
ble
ms/sum-of-two-integers/视频题解:https://www.bilibili.com/video/BV1RZ421K7YF
华南溜达虎
·
2024-08-24 04:15
数据结构与算法
算法
数据结构
java
c++
python
MySQL删除表数据、清空表命令(truncate、drop、delete 区别)
一、MySQL清空表数据三种方法1.1清空表数据:truncatesql命令#清空多张表、库中所有表的数据truncateta
ble
ta
ble
_name1,ta
ble
_name2,...
寻求出路的程序媛
·
2024-08-24 04:14
MySQL
数据库
后端开发
mysql
数据库
如何通过pg_dump命令导出Postgresql数据库的表结构
pg_dump-Upostgres--verbose--schema-only--ta
ble
=manager--db=notes--file=/root/manager.sql
JianfeiMa
·
2024-08-24 04:13
数据库
postgresql
windows docker 执行apt-get 权限问题
apt-getupdateReadingpackagelists...DoneE:Couldnotopenlockfile/var/lib/apt/lists/lock-open(13:Permissiondenied)E:Una
ble
to
学海无涯码代码
·
2024-08-24 03:39
windows
docker
容器
【网络安全】P2:访问控制失效
当我点击“开始验证”并拦截请求时,请求体如下:{"operationName":"solutionsResendEmailVerification","varia
ble
s":{"input":{"entityId
秋说
·
2024-08-24 03:37
网络安全
web安全
漏洞挖掘
iOS 拨打电话代码
1,这种方法,拨打完电话不能自动返回原来的应用,会停留在通讯录里,而且是直接拨打,不弹出提示NSMuta
ble
String*phone=[[NSMuta
ble
Stringalloc]initWithFormat
隔墙送来秋千影
·
2024-08-24 03:01
Package mongodb-clients is not availa
ble
安装Mongodb客户端
Packagemongodb-clientsisnotavaila
ble
,butisreferredtobyanotherpackage.Thismaymeanthatthepackageismissing
涛涛英语学不进去
·
2024-08-24 02:33
mongodb
数据库
我的妈妈
whichoftenmakesothersdeeplymovedinwarmthandlove.everytimeiwanttocryandlosemytemper,shecancheermeupwithunbelieva
ble
magic.it
心上的锁
·
2024-08-24 02:36
sql操作第一篇
查找最晚入职员工的所有信息CREATETA
BLE
`employees`(`emp_no`int(11)NOTNULL,`birth_date`dateNOTNULL,`first_name`varchar
QinRenMin
·
2024-08-24 02:27
Una
ble
to load weights from pytorch checkpoint file for ‘bert-base-uncased‘ at ...
OSError:Una
ble
toloadweightsfrompytorchcheckpointfilefor‘bert-base-uncased’at…方案一使用huggingface的bert时遇到预训练模型加载失败的问题
Ray Mond
·
2024-08-24 02:29
Pytorch
深度学习
pytorch
约瑟夫环问题(模板题,递推,树状数组,双端队列)
文章目录最后活的人(递推)[LCR187.破冰游戏](https://leetcode.cn/pro
ble
ms/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof
匪石1
·
2024-08-24 00:52
算法
约瑟夫环
数学
使用PowerShell自动化Windows系统管理任务
Stop-Service-Name"ServiceName"2.管理计划任务创建计划任务$Action=New-ScheduledTaskAction-Execute"C:\Path\To\Executa
ble
.exe
小绵羊不怕大灰狼
·
2024-08-24 00:21
windows
Linux buffer/cache介绍
命令来查看系统内存的使用状态:-m:显示单位为MBfree-m各个参数的说明total内存总数used已经使用的内存数free空闲的内存数shared多个进程共享的内存总额buff/cache缓存的大小availa
ble
Twinkle544
·
2024-08-24 00:50
Linux
linux
c++11 新特性总结【c++】
autointVar=42;//intVar被推导为int类型autodou
ble
Var=3.14;//dou
ble
Var被推导为dou
ble
类型2.范围for循环(Range-basedf
挨踢小明
·
2024-08-23 23:44
IT生涯
c++
开发语言
Android Studio Bum
ble
bee | 2021.1.1 Patch 1 查看源码时当前窗口被覆盖问题
1.File-->Settings-->Editor-->Genenal-->EditorTabs-->OpeningPolicy-->Opendeclarationsourceinthesametab(取消勾选即可)
42nf
·
2024-08-23 23:13
Android
Studio
看图学sql之sql 中的UNION 和union all
UNION用于合并两个或者多个SELECT语句的结果集语法:SELECTcolumn1,column2...FROMta
ble
1,ta
ble
2[WHEREcondition1]UNION/UNIONALLSELECTcolumn1
atbigapp.com
·
2024-08-23 23:40
SQL
数据分析
sql
数据分析
MFC使用双缓冲实现绘制字符串防闪烁
有时在性能比较低的操作系统上实现绘制文字实时变化时,会出现字体闪烁问题,下面通过双缓冲技术,先的要显示的文字绘制到缓冲区,然后再将显示出来,代码如下:CClientDCdc(this);CDCMemDC;MemDC.CreateCompati
ble
DC
萝卜兽编程
·
2024-08-23 23:10
MFC
mfc
c++
List深度拷贝 demo
importjava.io.IOException;importjava.io.ObjectInputStream;importjava.io.ObjectOutputStream;importjava.io.Serializa
ble
王小工
·
2024-08-23 22:39
java
list
string
import
class
c
Mysql中常用的sql语句(适合萌新学习)
1.查看查看行:select*from;select,from;查看表结构:describe;查看所有数据库:showdatabases;查看数据库下的表:showta
ble
sfrom;查看表的索引:showindexfrom
memories198
·
2024-08-23 22:37
数据库
sql
mysql
mybatis 排坑日记1 – @Ta
ble
Field(typeHandler = JacksonTypeHandler.class) 查询时不生效为null
使用@Ta
ble
Field(typeHandler=JacksonTypeHandler.class)经常发现数据新增可以,查询结果为null,记录下空查询结果1.如果在使用JacksonTypeHandler
chenkangck50
·
2024-08-23 22:34
mybatis
java
开发语言
Flask+LayUI开发手记(一):LayUI表格的前端数据分页展现
用数据表格ta
ble
展示系统数据,是LayUI的基本功能,编码十分简单,就是通过ta
ble
.render()渲染,把属性配置好就OK了,十分方便,功能也十分强大。
hbrown
·
2024-08-23 21:31
前端
flask
layui
Mac系统安装redis
1下载redis:网址:https://redis.io/download,下载sta
ble
版本,稳定版本。2解压:tarzxvfredis-5.0.4.tar.gz。
bcqkdt
·
2024-08-23 21:34
C++初学(10)
比如说:结构可以同时存储int、long、和dou
ble
,而共用体只能存储int、long、或dou
ble
。共用体的句式与结构相似,但含义不同。
Mueisya
·
2024-08-23 21:00
c++
c++
开发语言
上传excel文件后修改表格内容报错The requested file could not be read, typically due to permission pro
ble
ms that ha
报错:上传excel文件后修改表格内容报错Therequestedfilecouldnotberead,typicallyduetopermissionpro
ble
msthathaveoccurredafterareferencetoafilewasacquired
胡萝卜大王驾到通通闪开
·
2024-08-23 21:27
excel
前端
reactjs
关闭spirng boot集成springdoc-openapi的接口文档
org.springdocspringdoc-openapi-starter-webmvc-ui2.1.0org.springdocspringdoc-openapi-starter-webmvc-api2.1.0关闭方式#配置文件中添加如下配置springdoc:swagger-ui:ena
ble
d
abments
·
2024-08-23 20:24
spring
java
基于线程池和Completa
ble
Future实现抽奖系统10连抽
一:配置文件#线程池配置thread:pool:executor:config:core-pool-size:20max-pool-size:50keep-alive-time:5000block-queue-size:5000policy:CallerRunsPolicy二config:@Data@ConfigurationProperties(prefix="thread.pool.execu
@淡 定
·
2024-08-23 20:22
java
源码编译构建LAMP
一、Apache网站服务基础1:安装httpd服务器//关闭防火墙systemctlstopfirewalld或者永久关闭systemctldisa
ble
firewalld//selinux也关闭setenforce0
靑木312
·
2024-08-23 19:50
apache
linux
服务器
运维
Java 通过反射获取实体类对应的注释
com.spring4allswagger-spring-boot-starter1.9.1.RELEASE②准备实体类注意(swagger依赖没有加载无法使用@ApiModelProperty注解)@DatapublicclassOrderCsvimplementsSerializa
ble
guicai_guojia
·
2024-08-23 19:50
java
开发语言
Linux驱动学习之点灯(五,设备树没用平台设备总线)
创建一个设备树节点/{led:led{compati
ble
="led";led_pin=;status="okay";}}OF函数介绍查找属性of_gpio_named_countof_gpio_named_count
吾有三德
·
2024-08-23 19:46
Linux驱动学习
学习
python
ble
nder bvh2fbx
importosimportrandomimportnumpyasnpimportos.pathimportbpybvh_in=r"predict.bvh"fbx_out=r"predict.fbx"file_name_with_extension=os.path.basename(bvh_in)filename,file_extension=os.path.splitext(file_name_
GO·GO·GO
·
2024-08-23 19:15
python
blender
开发语言
ble
nder python 安装 bpy 问题
1.python3.8,3.9环境安装bpy尝试失败2、bpy仅支持python3.7、3.10、3.11安装2.使用python3.10,成功pipinstallbpy==3.4.0
GO·GO·GO
·
2024-08-23 19:15
blender
Vue3+ElementPlus el-date-picker设置可选时间范围
对应的日期范围选择器跟随年份变化,只可选当前年份ElementPlus的el-data-picker没有picker-options属性,但是提供了default-value属性可以设置不可选的日期这里我们定义一个方法disa
ble
dDateFun
屠灵666
·
2024-08-23 18:41
vue.js
前端
javascript
vue中ta
ble
表格根据返回数据显示内容及表格字段对应的数据类型是数组
"){return"停机保号";}if(row.stopType=="230000"){return"到期停机";}}问题2:方法1:{{orderItems.goodsNbr}}方法2://遍历ta
ble
丁先生320
·
2024-08-23 18:11
vue.js
elementui
javascript
JavaScript面试题八
一、请解释JavaScript中的变量提升(Varia
ble
Hoisting)现象,并给出一个示例。
笃励
·
2024-08-23 18:41
前端
javascript
开发语言
ecmascript
LeetCode算法题-29. 两数相除(Swift)
来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/divide-two-integers著作权归领扣网络所有。
entre_los_dos
·
2024-08-23 17:33
Element中DatePicker日期选择器跨度只能选一年如何实现?
只需要给标签加上pickerOptions,当前时间日期选择器特有的选项参考下表//方法一:时间跨度为之前一年pickerOptions:{disa
ble
dDate:()=>false,onPick:(
Jolly_zhang
·
2024-08-23 17:37
Vue2
javascript
vue.js
前端
es6
element ui - 禁止选择今天后的日期 和日期选择后追加一天
需求,要求选择yyyy-MM-dd格式的组件,但是传参需要yyyy-MM-dd00:00:00,和禁止选择今天后的日期(包括今天)这个用的时日期组件,格式为yyyy-MM-dd声明变量disa
ble
dDateOptions
摘星小杨
·
2024-08-23 17:35
ui
vue.js
javascript
ble
nder3D模型制作入门--Apple的学习笔记
搜索python的时候发现了
ble
nder插件库是基于python语言的,几年前2.8版本的
ble
nder简单学习过几天,后来一直想做把剑。现在3.4都出来了,我又想起玩玩
ble
nder。
applecai
·
2024-08-23 16:26
JavaScript 保留词
标记或函数名来使用:abstractargumentsawait*booleanbreakbytecasecatchcharclass*constcontinuedebuggerdefaultdeletedodou
ble
elseenum
软件技术NINI
·
2024-08-23 16:59
js
javascript
开发语言
ecmascript
day31(playbook的基本使用)
一、1.使用ansi
ble
安装并启动ftp服务[root@1~]#vim/etc/ansi
ble
/hostss0ansi
ble
_ssh_host=10.0.0.12ansi
ble
_ssh_port=22ansi
ble
_ssh_user
小手冰凉227
·
2024-08-23 16:58
运维
layui 表格实现可编辑日历
页面引用layui.css和layui.js${now}js代码如下:varta
ble
Ins;varform;varlaydate;varindex;vartwo;layui.use(['ta
ble
',
漠水情
·
2024-08-23 15:24
layui表格实现日历
日历可编辑
日历号源
Spring Boot 的启动原理、Spring Boot 自动配置原理
SpringApplication初始化:应用程序通常从一个带有@SpringBootApplication注解的主类开始,这个注解是一个组合注解,包含了@SpringBootConfiguration,@Ena
ble
AutoConfiguration
明湖起风了
·
2024-08-23 15:22
springBoot
面试宝典1
spring
boot
后端
java
云计算33------学习playbook-roles,脚本创建数据库和表,mycat读写分离
上午1、roles(角色)介绍roles(⻆⾊):就是通过分别将varia
ble
s,tasks及handlers等放置于单独的⽬录中,并可以便捷地调⽤它们的⼀种机制。
是小梅吖~
·
2024-08-23 15:51
云计算
学习
数据库
nvm 的常用操作指令整理
1、以下是nvm的常用操作指令:查看可在线安装的NodeJS版本nvmlistavaila
ble
安装指定版本的Node.js。nvminstall切换到指定版本的Node.js。nvmus
DiuWang
·
2024-08-23 14:17
node
学习笔记
前端
nvm
Java面试题---微服务
第二布,主启动类上打注解,@Ena
ble
EurekaServer,开启eureka服务端功能第三步,yml配置文件中,配置注册中心的端口号,主机名,注册中心地址Ribbon的整合流程第一步,导入ribbon
Lill_bin
·
2024-08-23 13:41
JAVA面试题
java
开发语言
单例模式
redis
分布式
数据库
spring
How To Write Shared Libraries(28)
2.2.4DefineVisibilityforC++Classes(2)Becausethesepro
ble
msaresohardtodebugitisessentialtogetthecompilerinvolvedinmakingsuretheuserfollowsthenecessaryrules.TheC
i_need_job
·
2024-08-23 13:59
将VRoidStudio人物通过
Ble
nder导入到Mixamo
目录1.下载
Ble
nder和VoidStudio2.下载Cats和VRM插件3.在VRoidStudio中导出VRM格式文件4.在
Ble
nder中安装两款插件5.导入VRM格式文件并绑定骨骼5.1预览人物模型
prayer?
·
2024-08-23 11:57
blender
经验分享
3d
学习
MobX中处理异步数据的加载状态
以下是一个示例:javascript格式:import{observa
ble
,action}from'mobx';classMyStore{@observa
ble
data=null;@observa
ble
isLoading
alankuo
·
2024-08-23 11:55
前端
前端
动态内存管理学不懂,小代老师带你深入理解动态内存管理(下卷)
动态内存管理学不懂,小代老师带你深入理解动态内存管理(下卷柔性数组6.1柔性数组的特点:6.2柔性数组的使用7.总结C/C++中程序内存区域划分柔性数组也许你从来没有听说过柔性数组(flexi
ble
array
程序员牛马家
·
2024-08-23 11:24
C语言
算法
数据结构
python去除图片背景,使用Python / PIL从图像中删除背景色
I'vebeentryingtogetthistoworkandamreallyhavingtrou
ble
,sowouldbeverygratefulforsomehelp.Usingthecodebelow
王后浪
·
2024-08-23 10:51
python去除图片背景
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