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BLE兼容
C# 多个点拟合圆并给出圆心坐标
publicstaticPointFFitCenter(Listpts,dou
ble
epsilon=0.1){dou
ble
totalX=0,totalY=0;intsetCount=0;for(inti
Nobody-H
·
2024-08-31 03:43
C#
Parallels Desktop 15 超详细安装教程
ParallelsDesktop(无论你是啥版本),因为新版的Mac操作系统缺少一些必需组件,并且安全控制提升了甚多(N多不可言传的坑)打开允许任何来源的软件安装sudospctl--master-disa
ble
蜗牛er
·
2024-08-31 03:12
Mac
macos
atcoder ABC 354-E题
atcoderABC354-E题Pro
ble
mStatementTakahashiandAokiareplayingagameusingNcards.Thefrontsideofthei-thcardhasAiwrittenonit
CodeWizard~
·
2024-08-31 02:38
算法
c++
云计算:LNMP网站架构,前期准备,安装php,安装MySQL
准备工作(初始化)1.关闭防火墙systemctldisa
ble
firewalld--now//直接永久关闭防火墙2.关闭SELINUX查看SELINUX:getenforce永久关闭:[root@localhost
248
·
2024-08-31 02:38
云计算
php
mysql
macOS 10.15 brew Error:
[email protected]
has been disa
ble
d because it is not supported upstream! 异常解决方法
在macOS10.15中使用brew安装
[email protected]
时会提示已经被禁止,原因是上游不支持.这个是因为目前苹果对10.15版本的系统已经不再支持导致.异常信息:
[email protected]
==>Downloadinghttps://mirrors.ustc.edu.cn/homebrew-bottles/api/formula.jws.jso#=#=#==>Downlo
tekin
·
2024-08-31 02:37
macos
macos
brew
mariadb
install
brew
edit
[LeetCode]336. Palindrome Pairs
https://leetcode.com/pro
ble
ms/palindrome-pairs/找出两个字符串拼接可形成回文的所有组合遍历数组,把word和所在位置加入map,再遍历数组,内层遍历当前字符串
gqk289
·
2024-08-31 01:00
LeetCode
聊聊flink的Ta
ble
Formats
序本文主要研究一下flink的Ta
ble
Formats实例CSVFormat.withFormat(newCsv().field("field1",Types.STRING)//required:orderedformatfields.field
go4it
·
2024-08-31 01:48
解决WARNING Memory overcommit must be ena
ble
d! Without it, a background save or replication may fail
解决WARNINGMemoryovercommitmustbeena
ble
d!
蟹蟹呵呵
·
2024-08-31 00:58
redis
redis
WARNING Memory overcommit must be ena
ble
d! Without it..问题处理
文章目录一、问题出现二、解决方式三、补充其它一、问题出现redis容器方式启动报错WARNINGMemoryovercommitmustbeena
ble
d!
Bestest~
·
2024-08-31 00:56
redis
memory
kafka2.8.2集群离线安装
27.196.38.200kafka127.196.38.201kafka227.196.38.202kafka3基础配置在所有节点操作[root@localhost~]#systemctlstopfirewalld[root@localhost~]#systemctldisa
ble
firewalldRemovedsymlink
xiongmao0304
·
2024-08-31 00:23
elk
1024程序员节
kafka
备战秋招60天算法挑战,Day26
题目链接:https://leetcode.cn/pro
ble
ms/jump-game/视频题解:https://www.bilibili.com/video/BV1gwYKekEVN/LeetCode55
华南溜达虎
·
2024-08-30 23:20
数据结构与算法
算法
数据结构
java
c++
python
【MAC 上学习 C++】Day 60-4. 6-4 求自定类型元素的平均 (10 分)
6-4求自定类型元素的平均(10分)1.题目摘自https://pintia.cn/pro
ble
m-sets/14/pro
ble
ms/7362.题目内容本题要求实现一个函数,求N个集合元素S[]的平均值
RaRasa
·
2024-08-30 21:08
03:【江科大stm32】:外部中断EXTI的使用
include"stm32f10x.h"intmain(void){//1.对PB0引脚进行配置,按键连接的引脚RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENA
BLE
浅陌pa
·
2024-08-30 21:07
#
江科大【标准库】
stm32
单片机
嵌入式硬件
6.11 my Batis
.写xml配置文件,放在resources文件夹中,语句官网有,以下是示例4.创建映射xml5.mybatisconfig.xml里写主方法语句官网有XML配置文件是一种可扩展标记语言(EXtensi
ble
MarkupLanguage
leel014
·
2024-08-30 21:07
mybatis
java
开发语言
MacOS上升级Ruby版本
以下是升级Ruby版本的步骤:安装RVM:打开终端,运行以下命令安装RVM:curl-sSLhttps://get.rvm.io|bash-ssta
ble
加载RVM环境:source~/.rvm/scripts
Rverdoser
·
2024-08-30 21:05
macos
ruby
开发语言
干货拿走:深入解析Kotlin 泛型
0.引子Kotlin100%与Java
兼容
,所以抛开语言表面上面的种种特质之外,背后的语言逻辑或者说“灵魂”与Java总是想通的。
Android高级技术
·
2024-08-30 21:05
Android高级开发
android
vue实现组件拖拽
效果预览QQ录屏20231016140810组件drag.vueexportdefault{name:"Dragga
ble
",props:{list:{type:Array,default:()=>[]
ズ少年瘾
·
2024-08-30 20:04
vue.js
javascript
跟着大佬搬砖--- vue 组件拖拽缩放
vue-drag-resize地址vue-dragga
ble
-resiza
ble
-gorkys地址案例案例学习汇总特有参考价值的GridLayout在线地址官网地址参考案例
Webgiserin
·
2024-08-30 20:02
JS
vue
vue.js
javascript
激光SLAM--(8) LeGO-LOAM论文笔记
论文标题:LeGO-LOAM:LightweightandGround-OptimizedLidarOdometryandMappingonVaria
ble
Terrain应用在可变地形场景的轻量级的、并利用地面优化的
lonely-stone
·
2024-08-30 20:29
slam
激光SLAM
论文阅读
2019-05-14
Unity类似于Director,
Ble
ndergameengine,Virtools或TorqueGameBuilder等利用交互的图型化开发环境为首要方式的软件。其编辑器运行
gong圈圈
·
2024-08-30 20:31
111. 二叉树的最小深度
15,7]输出:2示例2:输入:root=[2,null,3,null,4,null,5,null,6]输出:5来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms
Abeants
·
2024-08-30 19:24
SpringBoot3+Vue3集成AOP系统日志
建表logsCREATETA
BLE
`logs`(`id`int(11)NOTNULLAUTO_INCREMENT,`operation`varchar(255)COLLATEutf8mb4_unicode_ciDEFAULTNULLCOMMENT
胖头鱼丁
·
2024-08-30 18:23
前端
spring
boot
java
firewalld防火墙端口开放
它是RedHat公司推出的一款用于替代ipta
ble
s的新型防火墙软件,是CentOS7和Fedora18及以上版本的默认防火墙。
心之语歌
·
2024-08-30 18:20
linux
vue.js
开发API如何选择数据库,看这篇就够了!
代码示例(以MySQL为例):sql--创建用户表CREATETA
BLE
users(idINTAUTO_INCREMENTPRIMARYKE
流浪的大萝卜
·
2024-08-30 18:17
学习分享
数据库
json
sql
[802.11n]HT Capability->SM Power Save(SMPS)
上行传输时,节点可以自主决定使用几根天线,并通过Pream
ble
指示空间流数量。但下行接收则需与AP协商,避免因AP发送多流而节点
htt789
·
2024-08-30 17:15
wifi
网络
【C++类和对象】构造和析构以及初始化参数列表
在对象创建时由编译器自动调用,在对象的生命周期类只被调用一次构造函数可以构成重载构造函数如果在类中不显示写,将由编译器自动生成默认构造函数默认生成的构造函数对于内置类型不做处理如:intchardou
ble
阿辉不一般
·
2024-08-30 17:13
拿下C++
c++
java
开发语言
F - Deforestation 插入dp
//https://www.luogu.com.cn/pro
ble
m/AT_dp_t//原型题inta[N];Zf[N][N],sum[N];voidsolve(){cin>>n;for(inti=1;
麦克风的纹路
·
2024-08-30 17:12
算法
网络自动化新篇章:Ansi
ble
与Python的强强联合
网络自动化新篇章:Ansi
ble
与Python的强强联合在这个数字化和自动化的时代,网络管理已经不再局限于手动配置和管理。
姬如雅Brina
·
2024-08-30 17:39
ansi
ble
的脚本
playbook剧本1、playbook的组成1、Tasks:任务,每一个task就是一个模块2、Varia
ble
s:变量,存储和传递数据,可以自定义变量也可以是全局变量,也可以是脚本外传参3、Templates
QChestnut
·
2024-08-30 17:38
ansible
服务器
linux
ansi
ble
自动化运维项目详细讲解
前言:Ansi
ble
是一个开源的自动化工具,主要用于配置管理、应用部署、任务自动化和IT编排。在实际的运维项目中,Ansi
ble
可以帮助运维工程师以一致、可重复和可靠的方式管理大量服务器和服务。
程序员小羊!
·
2024-08-30 16:08
运维
运维
ansible
自动化
网络自动化:利用Python和Ansi
ble
实现网络配置管理
网络自动化:利用Python和Ansi
ble
实现网络配置管理在当今快速变化的IT环境中,网络自动化已成为提升运维效率、减少人为错误、加速服务交付的关键技术之一。
hai40587
·
2024-08-30 16:38
网络
自动化
python
算法学习每日一题数位不同的组合
Pro
ble
m:3153.所有数对中数位不同之和思路本题关键在于如何处理数位不同的个数,其实就是组合问题,两个不同数字的不同数位只能算一对,所以我们不妨把后方元素与前方元素数位不同算作一对,保持单调性避免重复计数
故里
·
2024-08-30 16:32
算法
学习
vue3+vite 实现动态引入某个文件夹下的组件 - glob-import的使用
/components/UserForm.vue';importTa
ble
Listfrom'./components/Ta
ble
List.vue';importBarChartfrom'.
陌上烟雨寒
·
2024-08-30 14:51
vue
javascript
前端
vue
pgsql 筛选中文字符正则_Postgresql 正则表达式
9.7.3.POSIX正则表达式Ta
ble
9-11列出了所有可用的用于POSIX正则表达式的操作符。
是山羊还是绵羊
·
2024-08-30 14:20
pgsql
筛选中文字符正则
mysql系列之json类型操作
二、json类型操作指南2.1指定字段类型为jsonCREATETA
BLE
`student`(`id`intNOTNULLAUTO_INCREMENT,`info`jsonDEFAULTNULL,PRIMARYKEY
卡卡舅舅
·
2024-08-30 14:49
json
There is no getter for property named 'sn' in 'class java.lang.String'
结果selectidfromta
ble
andsn=#{sn}报错的情况只有一个String参数用了<where<iftest标签,没用_parameter没用<iftest,也没用wheresn
在下小保
·
2024-08-30 14:59
CSS基础 水平垂直居中
几种实现水平垂直居中方式利用定位+margin:auto利用定位+margin:负值利用定位+transformta
ble
布局flex布局grid布局利用定位+margin:auto先上代码:.father
呼叫6945
·
2024-08-30 14:49
CSS篇
css
前端
css3
No CMAKE_CXX_COMPILER could be found. Tell CMake where to find the compiler by setting either t
):NoCMAKE_CXX_COMPILERcouldbefound.TellCMakewheretofindthecompilerbysettingeithertheenvironmentvaria
ble
"CXX"ortheCMakecacheentryCMAKE_CXX_COMPILERtothefullpatht
%d%d2
·
2024-08-30 13:16
linux
运维
服务器
生信小白,求助R
86186/AppData/Local/R/win-library/4.3’(因为‘lib’没有被指定)Warningininstall.packages:package‘rjson’isnotavaila
ble
forthisversionofRAversionofthispackageforyourversionofRmightbeavaila
ble
elsewh
kunking_zhu
·
2024-08-30 13:14
r语言
浙大 | PTA 自测-5 Shuffling Machine (20分)
Shufflingisaprocedureusedtorandomizeadeckofplayingcards.Becausestandardshufflingtechniquesareseenasweak,andinordertoavoid“insidejobs”whereemployeescollaboratewithgam
ble
rsbyperforminginadequateshuffles
赞美_太阳!
·
2024-08-30 12:41
数据结构-起步能力自测
c语言
oj系统
mysql-day02
创建数据库mydb,设置编码集UTF8createdatabaseifnotexistsmydbcharactersetutf8;--切换到mydb数据库usemydb;--删除emp表结构dropta
ble
ifexistsemp
luoyiang
·
2024-08-30 12:09
mysql
数据库
vue 使用el-ta
ble
设置了show-overflow-tooltip属性,路由跳转后,气泡不消失的解决办法
文章目录一、问题场景二、解决方法1.问题bug2.最终解决总结一、问题场景在vue项目里使用el-ta
ble
做一个列表页面,表格设置了show-overflow-tooltip属性,文字过长时鼠标滑过会展示气泡显示全部文字内容
前端小白记录
·
2024-08-30 12:09
vue.js
前端
javascript
elementui
前端框架
查看mysql当前连接数和最大连接数
1、查看mysql当前连接数和最大连接数1.1、查看mysql当前连接数:SHOWSTATUSWHERE`varia
ble
_name`='Threads_connected';1.2、查看mysql最大连接数
hzw0510
·
2024-08-30 12:38
MySQL
mysql
数据库
PTA 自测-5 Shuffling Machine
Shufflingisaprocedureusedtorandomizeadeckofplayingcards.Becausestandardshufflingtechniquesareseenasweak,andinordertoavoid“insidejobs”whereemployeescollaboratewithgam
ble
rsbyperforminginadequateshuffles
byakki
·
2024-08-30 12:37
python实战
PTA 自测-5 Shuffling Machine(DS)
Shufflingisaprocedureusedtorandomizeadeckofplayingcards.Becausestandardshufflingtechniquesareseenasweak,andinordertoavoid"insidejobs"whereemployeescollaboratewithgam
ble
rsbyper
acDream_
·
2024-08-30 12:07
●算法很美
PTA 自测-5 Shuffling Machine (20 分) c语言
Shufflingisaprocedureusedtorandomizeadeckofplayingcards.Becausestandardshufflingtechniquesareseenasweak,andinordertoavoid"insidejobs"whereemployeescollaboratewithgam
ble
rsbyperforminginadequateshuffles
扶栏笑看花满园
·
2024-08-30 12:07
PTA题目
关于在vue2中给el-ta
ble
加边框的写法
分三个位置分别给el-ta
ble
添加边框线样式
又写了一天BUG
·
2024-08-30 12:36
vue.js
javascript
前端
嵌入式学习——4——c++ 结构体+类
1、数据类型基本数据类型:char、int、float、dou
ble
、string、bool构造数据类型:数组、指针、结构体、共用体、枚举、类2、引用引用就是别名数据类型&引用名=同类型的变量名(&引用符号
koka_jerry
·
2024-08-30 11:32
学习
c++
算法
CentOS 7 中firewall-cmd命令
yuminstallfirewalld开启服务systemctlstartfirewalld.service关闭防火墙systemctlstopfirewalld.service开机自动启动systemctlena
ble
firewalld.service
_奇变偶不变_
·
2024-08-30 11:27
Python基础03变量与函数
###### Chapter3变量与函数Varia
ble
sandFunctions##############变量:标签物理空间存储的位置调用的时候会指向“门牌号”x=5print(x)print(x*
向日葵般的数学人~
·
2024-08-30 11:00
python
python
numpy
开发语言
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