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低功耗蓝牙BLE
1/31每日
1.Exception和Error的区别Exception和Error都是Throwa
ble
类的子类,但它们有不同的用途和含义。Exception:代表程序运行时可以处理的异常情况。
转码的小石
·
2025-02-25 22:06
java
开发语言
数仓搭建实操(传统数仓orale):DM数据集市层
需求:根据映射表建表个贷客户违约信息表建表CREATETA
BLE
DM.PERSON_LOAN_WY_INFO(DATE_DTDATE,CUST_CUNTNUMBER,CUST_FINNUMBER,CUST_BADNUMBER
想做富婆
·
2025-02-25 20:54
数仓
大数据
数仓
CSE 6242 / CX 4242: Data and Visual Analytics
CSE6242/CX4242:DataandVisualAnalyticsSpring2025HW2:Ta
ble
au,D3Graphs,andVisualization"Visualizationgivesyouanswerstoquestionsyoudidn'tknowyouhave
·
2025-02-25 20:13
后端
eclipse ssh mysql数据库_Eclipse搭建SSH环境&&实现Struts2分页显示mysql数据库表中内容...
1、本项目的环境jdk1.7.0_21;eclipse-jee-luna-R-win32-x86_64;apache-tomcat-8.0;2、创建表createta
ble
user_test(userIdintauto_in
CelioHsu
·
2025-02-25 19:47
eclipse
ssh
mysql数据库
MySQL 8 公用表表达式(CTE)—— WITH关键字深入用法
更多介绍请查看官网:https://dev.mysql.com/blog-archive/mysql-8-0-labs-recursive-common-ta
ble
-expressions-in-mysql-cte
gmHappy
·
2025-02-25 19:45
大数据学习
java
web
Java
mysql
数据库
with递归
python求2数之和
来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/two-sum著
yangguanglukou1
·
2025-02-25 18:42
算法
python
算法
关于 error LNK2001: unresolved external symbol "public: __thiscall Genome::Genome(void)"的解决
源代码为classGenome{public:friendclassGenAlg;//种群全部基因friendclassGenEngine;Genome()Genome(vectorvec,dou
ble
f
lalapanda
·
2025-02-25 18:08
遗传算法
Java进阶指南:高级面试问题与精辟解答(二)
实现Runna
ble
接口:创建一个实现了Runna
ble
接口的
Xs_layla
·
2025-02-25 17:35
java
面试题分享
java
面试
开发语言
零成本、高收益!AI绘画助你轻松开启副业赚钱新时代!
Sta
ble
Diffusion,是一款AI艺术生成器,成为追求额外收入的个人的一条有前景的途径。
AI设计酷卡
·
2025-02-25 17:04
AI作画
人工智能
AIGC
stable
diffusion
midjourney
ue5.2.1 quixel brideg显示asset not availa
ble
in uAsset format
我从未见过如此傻x的bug,在ue5.2.1上通过内置quixel下载资源显示assetnotavaila
ble
inuAssetformat解决办法:将ue更新到最新版本,通过fab进入商场选择资源后addtomylibrary
lalapanda
·
2025-02-25 17:04
ue5
quixel
Java编程入门:从OOP到第一个程序
到第一个程序基本的控制逻辑语句建议面向AI学习,实在太简单.3.1面向对象编程三大特性1.封装(Encapsulation)publicclassBankAccount{//私有属性(数据隐藏)privatedou
ble
balance
helo world
·
2025-02-25 17:31
手把手Java基础
java
开发语言
qt之读写excel
excel=newQAxObject(this);excel->setControl("Excel.Application");//连接Excel控件excel->dynamicCall("SetVisi
ble
xiaocg2009
·
2025-02-25 15:24
Qt
读写excel
设置excel单元格属性为文本
离线安装IE 11(Internet Explorer 11)/脱机安装IE11
如果电脑需要在不联网的情况下安装IE11(InternetExplorer11),需要提前安装好6个补丁程序,请看微软的官方说明https://docs.microsoft.com/zh-cn/trou
ble
shoot
brian0031
·
2025-02-25 15:50
windows
ie11
脱机版
离线安装
深入解析MySQL数据库报错:`ERROR 1146 (42S02) Ta
ble
‘mysql.user‘ doesn‘t exist`
在安装或升级MySQL数据库时,你可能会遇到ERROR1146(42S02):Ta
ble
'mysql.user'doesn'texist错误。
rkmhr_sef
·
2025-02-25 14:41
面试
学习路线
阿里巴巴
数据库
mysql
Did you forget to `#include <pybind11/stl.h>`? Or <pybind11/complex.h>,<pybind11/functional.h>
draw_npy.py",line25,ino3d.visualization.draw_geometries([pcd.points])TypeError:draw_geometries():incompati
ble
functionarguments.Thefollowing
沉迷单车的追风少年
·
2025-02-25 14:40
深度学习-计算机视觉
深度学习
python
pytorch
HTML+JS+CSS 鼠标上下移动页面(非滚动条)
HTML+JS+CSS鼠标上下移动页面(非滚动条)MouseDragScroll-IE11Compati
ble
body{height:2000px;/*为了方便测试滚动效果,设置一个较长的页面*//*使用自定义的鼠标指针图片
一念工作室
·
2025-02-25 14:39
html
javascript
css
RK3568平台(UART篇)UART端口注册流程
一.串口9控制器的设备树节点uart9:serial@fe6d0000{compati
ble
="rockchip,rk3568-uart","snps,dw-apb-uart";reg=;interrupts
嵌入式_笔记
·
2025-02-25 13:32
瑞芯微
linux
【Spring】学习笔记3——Spring常用注解详解
标红为常用的几种,建议深刻理解使用最好动手敲一敲@Controller@Service@Autowired@RequestMapping@RequestParam@ModelAttribute@Cachea
ble
白衣染霜陈
·
2025-02-25 13:59
——【Spring】
Spring
Spring注解
Spring
AOP
IOC
flowa
ble
设置流程回退到指定节点
Flowa
ble
是一个轻量级业务流程管理框架,支持BPMN(业务流程模型和符号)标准。
猿脑2.0
·
2025-02-25 12:28
python
your HTTP request connection start duration too long
IfyourHTTPrequestconnectionstartdurationistakingmorethan7seconds,herearesomepossi
ble
causesandtrou
ble
shootingsteps
hshpy
·
2025-02-25 11:51
http
网络协议
网络
Java 基础语法——关键字、变量和运算符
本篇文章将详细讲解Java中的**关键字(keyword)、变量(varia
ble
)以及运算符(operator)**等基本概念,并通过示例代码帮助你理解和应用它们。
小志开发
·
2025-02-25 10:42
JAVA
java
开发语言
Flutter 的Column中包含ListView且listview是动态高度
禁止使用listview的滚动,应该使用外部的滚动physics:constNeverScrolla
ble
ScrollPhysics(
weixin_41367871
·
2025-02-25 09:10
Flutter
flutter
Flutter-Android编译报错与解决方案汇总
报错一:java.lang.NullPointerException:Cannotinvoke“String.length()”because“”isnull解决方案:Isolvedthispro
ble
mbyupgradingAndroidGradlePlugintoversion8.3.1
ShawnRacine
·
2025-02-25 09:35
flutter
android
PostgreSQL 支持字段类型
32767INTEGER:4字节整数,范围-2147483648到2147483647BIGINT:8字节整数,范围更大DECIMAL/NUMERIC:精确小数,用户可指定精度和小数位数REAL:4字节浮点数,单精度DOU
BLE
PRECISION
小道士写程序
·
2025-02-25 08:31
C++
postgresql
数据库
怎样设置开机启动MySQL和取消
设置MySQL开机自启动在Linux上:使用systemd(大多数现代Linux发行版如Ubuntu,CentOS7及更高版本):执行以下命令启用MySQL开机自启动:sudosystemctlena
ble
mysql
Lu01
·
2025-02-25 08:29
The
SQL
Lab
mysql
数据库
centos 7 安装python3 及pycharm远程连接方法
virtualenv的时候会提示WARNING:pipisconfiguredwithlocationsthatrequireTLS/SSL,howeverthesslmoduleinPythonisnotavaila
ble
MindMaster User
·
2025-02-25 07:56
日常记录
centos
pycharm
python
mfy学习笔记
创建表并导入数据CREATETA
BLE
sales(idINT,salespersonSTRING,regionSTRING,sales_amountINT,sale_dateDATE);INSERTINTOsales
2pi
·
2025-02-25 07:26
学习
笔记
【MySQL】事务隔离级别,Java开发者必知必会
数据库中有四种隔离级别,分别是读未提交(Readuncommitted),读已提交(Readcommitted),可重复读(Repeata
ble
程序员大任
·
2025-02-25 06:46
MySQL
mysql
java
数据库
【MySQL】快速理解脏读、不可重复读、幻读
数据库事务的并发控制是保障数据一致性的核心机制,而脏读(DirtyRead)、不可重复读(Non-repeata
ble
Read)和幻读(PhantomRead)是事务隔离级别设计中需要解决的三大典型问题
程序员大任
·
2025-02-25 06:46
MySQL
数据库
java
mysql
sql
database
数据库开发
lua实现类
冒号语法与self1.2总结二、实现继承2.1单继承实现2.1多继承的实现三、实现封装四、实现多态前言在Lua中并没有像传统面向对象语言(如Java、Python等)那样内置的类和继承机制,但可以通过表(ta
ble
努力的小钟
·
2025-02-25 06:14
lua
lua
开发语言
Lua 常用工具类代码记录(一)
localf='[%z\1-\127\194-\244][\128-\191]*';localline,lastLine,isBreak='',false,false;forvins:gfind(f)dota
ble
.insert
警醒与鞭策
·
2025-02-25 06:12
UnityHotFix
PyTorch实现DARTS:可微分架构搜索指南
DARTS(Differentia
ble
ArchitectureSearch)是一种创新的神经网络架构
余伊日Estra
·
2025-02-25 05:07
论文阅读笔记1——DARTS:Differentia
ble
Architecture Search可微分架构搜索(一)(论文翻译学习)
DARTS:Differentia
ble
ArchitectureSearch可微分架构搜索(一)DARTS:Differentia
ble
ArchitectureSearch(一)ABSTRACT摘要1.
fuhao7i
·
2025-02-25 05:37
论文阅读笔记
深度学习
人工智能
机器学习
算法
计算机视觉
ubuntu安装编译brpc
protobuf、leveldb$sudoapt-getinstallrealpathlibgflags-devlibprotobuf-devlibprotoc-devprotobuf-compilerli
ble
veldb-dev
周子青
·
2025-02-25 04:02
设计模式-观察者模式(Observer)
2.原理结构图主题(Subject):又称为被观察者(Observa
ble
),是观察者模式的核心对象。它负责维护一个观察者列表,用于记录所有依赖于它的观察者对象。
BrightChen666
·
2025-02-25 04:01
设计模式
设计模式
观察者模式
java
牛笔了!2024年Android-高级面试题总结
6.简述内部类的特点7.形式参数可被视为localvaria
ble
,也就是说形式参数相当于在方法中定义了一个局部变量a,当传入c时,只是将c指向的对象给a8.finally语句块是在tr
2401_86964130
·
2025-02-25 04:00
android
Python函数式编程
我们将上面的dou
ble
函数改写成一个匿名函数,如下:1.lambdax:2*x那怎么调用匿名函数呢?可以直接这样使用:1.
2401_86372470
·
2025-02-25 04:00
python
开发语言
windows
SR-IOV虚拟出来的网卡如何被VPP(DPDK)接管
目录引言SR-IOV简介网卡支持配置步骤1.修改Biosena
ble
SR-IOV2.修改启动参数3.设置vf网卡mac地址,权限4.切换网卡驱动5.启动VPP小结引言在只有一张网卡的情况下,这个网卡不能既被
小湿哥
·
2025-02-25 01:36
VPP
Network
vpp
SR-IOV
vt-d
虚拟化
OpenGauss数据库 - 初识OpenGauss
CREATEDATABASEtestdb;\ctestdb;CREATETA
BLE
t_emp(idint
Ssaty.
·
2025-02-25 01:35
数据库
database
mysql
SpringBoot(三)缓存
SpringBoot(三)缓存1默认缓存管理1.1环境搭建1.1.1准备数据1.1.2创建项目,功能编写1.2默认缓存体验1.3缓存注解介绍1.3.1@Ena
ble
Caching注解1.3.2@Cachea
ble
程序员云笔记
·
2025-02-25 00:01
Java
spring
boot
缓存
java
ansi
ble
命令集合
替换selinux文件ansi
ble
master-mlineinfile-a'path=/etc/sysconfig/selinuxregexp="^SELINUX="line=SELINUX=disa
ble
d
橙子❦
·
2025-02-24 23:57
ansible
AcWing 3691:有向树形态 ← 卡特兰数 + 复旦大学考研机试题
【题目来源】https://www.acwing.com/pro
ble
m/content/3694/【题目描述】求N个相同结点能够组成的二叉树的个数。【输入格式】一个整数N。
hnjzsyjyj
·
2025-02-24 23:57
信息学竞赛
#
模拟算法与基础语法
卡特兰数
Linux-Ansi
ble
命令
⏰️创作时间:2025年02月21日18点49分常用命令ansi
ble
#主命令,管理员临时命令的执行工具ansi
ble
-doc#查看配置文档ansi
ble
-playbook#编排playbook工具,定制自动化内容
DC_BLOG
·
2025-02-24 23:55
Linux
linux
ansible
服务器
运维
ipta
ble
s防火墙详解
ipta
ble
s防火墙详解一、ipta
ble
s概念防火墙基础从逻辑上讲,防火墙可以大体分为主机防火墙和网络防火墙。
伟大无须多言
·
2025-02-24 23:24
网络
服务器
apache
【算法】冒泡排序
算法概述二、算法原理1.核心思想2.排序过程演示三、标准实现代码四、时间复杂度分析五、优化策略1.提前终止优化2.记录最后交换位置六、算法特性七、实际应用八、扩展思考九、总结一、算法概述冒泡排序(Bub
ble
Sort
Rhzkp
·
2025-02-24 23:54
算法
【Ansi
ble
学习之旅】Ansi
ble
介绍和架构
目录Ansi
ble
发展Ansi
ble
介绍Ansi
ble
组成Ansi
ble
发展2012-03-09,发布0.0.1版2015-10-17,RedHat宣布1.5亿美元收购官网:https://www.ansi
ble
.com
不怕娜
·
2025-02-24 23:23
ansible
学习
架构
Simulink Design Assignment
UniversityofEdinburghElectricalEngineeringDataConverterDesigninSimulinkSimulinkDesignAssignmentDesignanaudiobandADCwiththefollowingspecificationsover20Hz-20kHz:[1]Maximumsta
ble
inputamplitude
·
2025-02-24 23:46
后端
Python使用pip安装Caused by SSLError:certificate verify failed
只能pip硬装了:使用pip安装的时候一直报错:“CouldnotfetchURLhttps://pypi.org/simple/pyplot/:Therewasapro
ble
mconfirmingthesslcertificate
风一样的树懒
·
2025-02-24 23:21
人工智能
python
【EsLint】[ESLint] ‘XXX‘ is assigned a value but never used. (no-unused-vars)
(no-unused-vars)解决代码后添加注释若量很大则配置EsLint规则//eslint-disa
ble
-lineno-unused-vars例letsaveNextTime=0;//eslint-disa
ble
-lineno-unused-vars
视觉CG
·
2025-02-24 22:19
JS
javascript
华为GAUSSDB集成
华为GAUSSDB集成安装Centos7Centos7关闭防火墙服务systemctlstopfirewalld.servicesystemctldisa
ble
dfirewalld.servicesystemctlstatusfirewalld
Amber_Flying
·
2025-02-24 22:15
数据库
linux
开发语言
java
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