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BLE
Java学习之ArrayList原理剖析
publicclassArrayListextendsAbstractListimplementsList,RandomAccess,Clonea
ble
,java.io.Serializa
ble
ArrayList
李楠琳
·
2025-02-13 20:45
Java
java
arraylist
Java常见排序算法及代码实现
2、冒泡排序算法冒泡排序(Bub
ble
Sort)是一种简单的排序算法,它重复地遍历要排序的数列,一次比较两个元素,如果它们的顺序错误就把它们交换过来。
芥子沫
·
2025-02-13 20:41
排序算法
java
算法
Android Studio 报错:Could not get unknown property ‘kotlin_version‘ for object of type
导入项目,sync的时候报错:Apro
ble
moccurredevaluatingproject':app'.
太难我不会
·
2025-02-13 19:38
大数据
基于uniapp vue3 的滑动抢单组件
通过在onMounted获取mova
ble
-area与mova
ble
-view实例,计算出可滑动的距离效果图:代码:»Slidetograborderimport{ref,onMounted}from"vue
printf_824
·
2025-02-13 19:34
uni-app
javascript
前端
具身智能训练新思路!将生成视频用于训练机器人
生成式AI构建虚拟环境利用扩散模型(如Sora、Sta
ble
VideoDiffusion)或3D生成技术(
天机️灵韵
·
2025-02-13 18:02
具身智能
人工智能
具身智能
JavaScript中常用函数方法(对象篇)
Object(obj)object对象调用的方法object.hasOwnProperty(prop)object.isPrototypeOf(obj)object.propertyIsEnumera
ble
YF-SOD
·
2025-02-13 18:31
JavaScript
Object.create
Object()
isPrototypeOf
getPrototypeOF
js中对象的常见方法
蓝桥杯 Java B 组之排序算法(冒泡、选择、插入排序)
插入排序)一、排序算法基础排序算法是蓝桥杯JavaB组的高频考点,主要考察:手写基础排序算法(冒泡、选择、插入)理解时间复杂度使用排序解决实际问题(如求TopK)二、三大基础排序算法1.冒泡排序(Bub
ble
Sort
计算机小白一个
·
2025-02-13 18:00
排序算法
算法
数据结构
Feign
3、调用服务做了一个简单的demo,但是在最后面,我是通过这样一段代码来调用服务的提供者的@GetMapping("/movie/{id}")publicUserfindById(@PathVaria
ble
Longid
Mr_蜗牛
·
2025-02-13 18:27
Spring
Cloud
leetcode116. 填充每个节点的下一个右侧节点指针
题目链接:https://leetcode-cn.com/pro
ble
ms/populating-next-right-pointers-in-each-node/题意:给定一个完美二叉树,其所有叶子节点都在同一层
Chevy_cxw
·
2025-02-13 16:17
c/c++
算法设计
Python Playwright 打包报错 Please run the following command to download new browsers
_api_types.Error:Executa
ble
doesn'texistat/Users/dengzemiao/Desktop/Project/python/dist/main
卡尔特斯
·
2025-02-13 16:45
Python
python
神经网络常见激活函数 9-CELU函数
文章目录CELU函数+导函数函数和导函数图像优缺点pytorch中的CELU函数tensorflow中的CELU函数CELU连续可微指数线性单元:CELU(ContinuouslyDifferentia
ble
ExponentialLinearUnit
亲持红叶
·
2025-02-13 15:37
神经网络常见激活函数
深度学习
机器学习
人工智能
数学建模
神经网络
python
monkeyrunner连接真机问题
01:10:15E/hierarchyviewer:Una
ble
togetviewserverversionfromdevice015EF45B0E01A00801:10:15E/hierarchyviewer
b654010138
·
2025-02-13 14:06
monkeyrunner
monkeyrunner
Paimon实战 -- paimon原理解析
一.简介ApachePaimon原名FlinkTa
ble
Store,2022年1月在ApacheFlink社区从零开始研发,Flink社区希望能够将Flink的Streaming实时计算能力和Lakehouse
阿华田512
·
2025-02-13 14:06
Paimon学习必读系列
paimon
数据湖
paimon介绍
flink写入
paimon实战 --核心原理和Flink应用进阶
Flink社区内部孵化了FlinkTa
ble
Store(简称FTS)子项目,一个真正面向Streaming以及Realtime的数据湖存储项目。2023年3月1
阿华田512
·
2025-02-13 14:36
Paimon学习必读系列
Flink学习必读系列
flink
大数据
flink读写
paimon
数据湖
更改MySQL数据库中字段的指定数据位技巧
UPDATE语句的基本语法如下:sql复制代码UPDATEta
ble
_nameSE
真想骂*
·
2025-02-13 14:03
数据库
mysql
查询Oracle数据库某一张表的现有索引
c.column_name,c.column_positionFROMuser_ind_columnscJOINuser_indexesiONc.index_name=i.index_nameWHEREc.ta
ble
_name
爱丽丝和她的巫师帽
·
2025-02-13 10:33
数据库
sql
mybatis
【鸿蒙蓝牙连接】
鸿蒙蓝牙连接
ble
.start
BLE
Scanstart
BLE
Scan(filters:Array,options?:ScanOptions):void发起
BLE
扫描流程。
萌虎不虎
·
2025-02-13 10:02
鸿蒙
华为
ArkTs
Oracle数据库如何查看表中索引
1、查看表中有哪些索引select*fromuser_indexeswhereta
ble
_name='表名'或者select*fromall_indexeswhereta
ble
_name='表名'2、查看表中索引对应哪些列
WziH_CSDN
·
2025-02-13 10:57
oracle
数据库
sql
索引
Java笔记——JAVA 面试题经典
JAVAJAVA8大基本数据类型HashMap和Hashta
ble
的比较Hashta
ble
:1.Hashta
ble
不允许key或者value为null,线程安全,实现线程安全的方式是在修改数据时锁住整个
啊健的影子
·
2025-02-13 08:16
java
笔记
开发语言
CDB(ContainerDatabase)与PDB(Plugga
ble
Database)
CDB全称为ContainerDatabase,中文翻译为数据库容器,PDB全称为Plugga
ble
Database,即可插拔数据库。
c4tch
·
2025-02-13 06:59
数据库
oracle
oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置 说明
selectinstance_namefromv$instance;INSTANCE_NAME----------------CndbaSQL>colfile_namefora50SQL>selectta
ble
space_name
weixin_39752941
·
2025-02-13 06:59
oracle
pdb
表空间
CentOS7静默安装Oracle 12c
1.检查主机名和网络并且配置/etc/hosts文件关闭防火墙systemctlstopfirewalld.service彻底永久关闭防火墙systemctldisa
ble
firewalld.service
RedCong
·
2025-02-13 06:28
Oracle
各个版本的安装部署
oracle
数据库
centos7离线静默安装oracle12c实际安装总结
zwl18210851801/article/details/80774980一、安装前准备1.关闭防火墙,禁止防火墙开机自启systemctlstopfirewalld.service--关闭防火墙systemctldisa
ble
firewalld.service
道成空1024
·
2025-02-13 06:27
JSP实用教程(3)——Tag文件和Tag标记
文章目录Tag文件与Tag标记Tag文件Tag文件的结构Tag文件的保存Tag标记Tag标记Tag标记的使用Tag文件中的常用指令tag指令varia
ble
指令taglib指令Tag文件与Tag标记Tag
不归路(T_T)
·
2025-02-13 05:52
jsp
jsp
python 摄像头 异常,opencvpython摄像头读取错误
我有个错误VIDEOIOERROR:V4L2:PixelformatofincomingimageisunsupportedbyOpenCVUna
ble
tostopthestream:DeviceorresourcebusyVIDEOIOERROR
weixin_39580564
·
2025-02-13 05:51
python
摄像头
异常
Anaconda使用selenium时报错:WebDriverException:Message: ‘chromedriver‘ executa
ble
needs to be in PATH
背景Anaconda使用selenium时报错:WebDriverException:Message:‘chromedriver‘executa
ble
needstobeinPATH解决方法下载与chrome
数据挖土机
·
2025-02-13 04:15
python
Error问题
python
selenium
chrome
LeetCode 刷题:滑动窗口模板
滑动窗口解题模板第一个模板:适用于需要使用[变量]记录的情况模板:例题1:第二个模板:适用于需要用[哈希表]记录的情况模板:例题1:例2:力扣的原题引发的一连串学习题目链接:https://leetcode.cn/pro
ble
ms
我心向阳iu
·
2025-02-13 04:44
#
Spring
Boot
Java面试知识点精讲
leetcode
算法
职场和发展
代码随想录算法训练营Day07 | LeetCode454.四数相加II、LeetCode383.赎金信、LeetCode15.三数之和、LeetCode18.四数之和
LeetCode454.四数相加II题目链接:https://leetcode.cn/pro
ble
ms/4sum-ii/思路:想法是使用哈希表。
SuperYue37
·
2025-02-13 04:44
代码随想录
算法
哈希表
leetcode
【代码随想录训练营】Day7-哈希表
代码随想录Day7今日任务454.四数相加Ⅱ383.赎金信15.三数之和18.四数之和454.四数相加Ⅱ考点:哈希表链接:https://leetcode.cn/pro
ble
ms/4sum-ii/classSolution
Koffer-debug
·
2025-02-13 04:14
代码随想录训练营
leetcode
算法
哈希表
【GreatSQL优化器-12】make_tmp_ta
ble
s_info
【GreatSQL优化器-12】make_tmp_ta
ble
s_info一、make_tmp_ta
ble
s_info介绍GreatSQL的优化器对于聚合函数和窗口函数需要创建内部临时表来进行计算并输出最后结果
·
2025-02-13 02:14
数据库mysql
oracle数据库导dump,oracle数据导入,导出dump文件
metadata_onlydirectory:dumpfile和logfile的目录对象dumpfile/logfileexclude:不导出指定的对象(与这些对象有依赖的也不会导出)eg:exclude=ta
ble
无言法师
·
2025-02-13 02:56
oracle数据库导dump
Unity 高度可扩展的技能与多 Buff 框架详解
数据驱动:使用Scripta
ble
Object或JSON等数据格式定义技能和Buff的属性,方便配置和修改。事件驱动:利用Unity的事件系统或自定义事件机制,实现技能和Buff之间的交互和解耦。
Clank的游戏栈
·
2025-02-13 02:55
unity
游戏引擎
自制游戏-斗罗大陆
#includeusingnamespacestd;dou
ble
ji=0,mony=100,xiuzhen=0,zhugeliannu=0,kongquiyu=0,baoyulianhuaczhen=0
白昼中的流星
·
2025-02-13 02:54
游戏
前端表格1000w行数据流畅渲染的秘密
不过如果是大量数据的渲染,canvas瓶颈也会凸显,为了进一步优化白板性能,还需要进行深入底层优化表格开发,可能是大家平常开发过程中最常见的场景,表格的优化我们可以给出以下历程:用库初级:ta
ble
dom
程序员小续
·
2025-02-12 23:12
前端
前端框架
javascript
react.js
anti-design-vue
html5
webpack
批量修改mysql字符串字段子字符串
示例:将ta
ble
_name表中column_name字段的所有old_value替换为new_value。
Leo_Hu666
·
2025-02-12 23:41
mysql
数据库
undetected_chromedriver 控制已打开的浏览器
defget_options():options=ChromeOptions()options.add_argument("--disa
ble
-blink-features=AutomationControlled
FOAF-lambda
·
2025-02-12 23:36
python
postgres 导入数据错误
window版postgres13导入数据使用了postgres自带的sqlshell,导入数据错误内容:错误:编码"GBK"的字符0x0xae0xe6在编码"UTF8"没有相对应值背景:COPYta
ble
_name
奇衡三丶
·
2025-02-12 22:29
笔记
postgres
45. 跳跃游戏 II
._45;/*45.跳跃游戏II题目地址:https://leetcode-cn.com/pro
ble
ms/jump-game-ii给你一个非负整数数组nums,你最初位于数组的第一个位置。
小句
·
2025-02-12 21:51
leetcode
贪心算法
算法
leetcode
Kamailio(OPENSER) 3.1.x INSTALL
sip-routerkamailiocdkamailiogitcheckout-b3.1origin/3.12,TuningMakefilesmakeFLAVOUR=kamailiocfgNextstepistoena
ble
theMySQLmo
gangban_lau
·
2025-02-12 19:03
Voip
SIP
mysql
database
file
domain
include
passwords
Terraform 最佳实践:Top 10 常见 DevOps/SRE 面试问题及答案
示例:backend"s3"{bucket="my-terraform-state"key="path/to/my/key"region="us-west-2"dynamodb_ta
ble
="ter
鸵鸟爸爸
·
2025-02-12 18:24
Cloud
Native
terraform
devops
云原生
【YashanDB知识库】如何从内存中获取SQL语句的执行计划
详情获取PostgreSQL精确行数创建ta
ble
_count
·
2025-02-12 17:51
数据库
ubuntu18安装pyenv
安装依赖sudoapt-getinstalllibprotobuf-devli
ble
veldb-devlibsnappy-devlibopencv-devlibboost-all-devlibhdf5-
Ramulet
·
2025-02-12 17:22
Python
npm
pycharm
centos
数据结构-1.Java. 初始包装类与泛型
为了在泛型代码中可以支持基本类型,Java给每个基本类型都对应了一个包装类型.1.1基本数据类型对应包装类基本数据类型包装类byteByteshortShortintIntegerfloatFloatdou
ble
Dou
ble
charCharacterbooleanBooleanlo
薯条不要番茄酱
·
2025-02-12 17:49
Java数据结构
java
数据结构
后端
开发语言
学习方法
程序人生
element ui select下拉框清空为空字符
使用cleara
ble
清空选项此时绑定的值是“”空字符串,要使清空后值为null,需要自己写clear事件methods:{clearValue(val){this.value=null;},}
a濯
·
2025-02-12 16:46
ui
vue.js
elementui
从零到一学习python(基础篇)
·lnbhy/PythonFromZeroToOne·GitHubCodeMarkdown一个简单的开始,变量和简单的数据类型print('hello_world')hello_world1.vari
ble
message
羡鱼肘子
·
2025-02-12 15:36
python
学习
windows
KDD 2023 | 先睹为快!KDD 2023论文合集50篇(附下载地址)
下载地址:点我跳转1.Dou
ble
Adapt:AMeta-learningApproachtoIncrementalLearningforStockTrendForecastingCode:NoneArea
马拉AI
·
2025-02-12 15:04
机器学习
人工智能
深度学习
斩C—带你深刻理解指针
`dou
ble
*`指针**二、指针的级别1.一级指针2.二级指针**二级指针的使用场景**3.多级指针三、指针的类型一、什么是指针1.指针的基本概念指针的本质:指针是一个变量,存储的是另一个变量的内存地址
cat三三
·
2025-02-12 14:03
c语言
c++
算法02-各种排序算法
各种常见排序算法总结一.冒泡排序(Bub
ble
Sort)冒泡排序是一种简单的排序算法。它重复地遍历要排序的列表,比较相邻的元素,并交换它们的位置,直到整个列表排序完成。
mengyoufengyu
·
2025-02-12 14:32
算法
python
算法
排序算法
python
JavaSE之常用API(2)(知识点小总结)
创建一个随机数生成器,从0开始3、常用方法类型与出参方法描述intnextInt()在int范围内随机生成一个数据intnextInt(intbound)在0(包含)到指定值(不包含)范围内随机生成一个整数dou
ble
nextDou
ble
幽默小吴
·
2025-02-12 14:01
java
算法
数据结构
python
开发语言
一分钟教你学会Reqa
ble
Reqa
ble
是一款强大的跨平台HTTP开发和调试工具,适用于开发、测试、网络、安全以及爬虫等领域的专业人员。下面将用一分钟的时间带你快速了解如何使用Reqa
ble
进行基本的抓包和调试操作。
用心去追梦
·
2025-02-12 12:50
java
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