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BLE(低功耗)蓝牙开发
戴尔服务器r740硬盘指示灯,戴尔R740服务器获取cpu、内存、硬盘参数信息。
importrequestsimportjsonrequests.packages.urllib3.disa
ble
_warnings()##使用一个system总的URL分别获取到cpu、内存、存储三个
weixin_39572152
·
2024-02-20 09:01
戴尔服务器r740硬盘指示灯
聊聊arthas的ArthasBootstrap
core/server/ArthasBootstrap.java/***单例**@paraminstrumentationJVM增强*@returnArthasServer单例*@throwsThrowa
ble
·
2024-02-20 09:43
arthas
vue中使用jsx语法
exportdefault{name:'MyTa
ble
_处女座程序员的日常
·
2024-02-20 09:24
js
vue
ES6
vue.js
javascript
前端
【IOS】Type ‘ChartDataSet‘ does not conform to protocol ‘RangeReplacea
ble
Collection‘
问题IOS开发Charts集成时编译报错解决方法在ChartDataSet的中增加replaceSubrange的实现publicfuncreplaceSubrange(_subrange:Swift.Range,withnewElements:C)whereC:Collection,ChartDataEntry==C.Element{}解决!
Easonhe
·
2024-02-20 09:20
IOS
ios
十种经典排序算法总结
publicint[]bub
ble
S
天瑕
·
2024-02-20 09:13
数据结构与算法
排序算法
Idea启动Gradle报错: Please, re-import the Gradle project and try again
Idea启动Gradle报错:Warning:Una
ble
tomakethemodule:reading,relatedgradleconfigurationwasnotfound.Please,re-importtheGradleprojectandtryagain
sinat_15597209
·
2024-02-20 09:43
intellij-idea
java
gradle
C语言写冒泡排序
再归几天我们也要开学了,那么我先祝各位同学在新的一年里达到自己的目标今天给大家带来的是c语言如何写冒泡排序那么接下来我们只需要拼接上main函数也就大功告成了那么我们先来简单的方法:数组法voidBub
ble
_sort
蓝天扶光
·
2024-02-20 09:06
笔记
MySQL系列之索引入门(上)
——答:必须的呀但凡遇到这类问题,甲方见了直叹气,乙方见了直摇头,恨不得亲自上阵了哟~当Ta
ble
中,数据积累到一定程度,一般考虑几个优化策略:横向拆表,分而治之纵向拆表,大而化小增加索引,寻找捷径优化
ZHOU西口
·
2024-02-20 09:00
数据库
mysql
数据库
索引
【JavaEE】_线程的状态与转移
目录1.线程的状态1.1NEW1.2RUNNA
BLE
1.3BLOCKED1.4WAITING1.5TIMED_WAITING1.6TERMINATED2.线程状态的转移在多线程Thread类相关一文中已经介绍过进程的状态
_周游
·
2024-02-20 09:59
JavaEE
java
开发语言
intellij-idea
JS进阶——变量和函数提升
变量提升"变量提升"(Varia
ble
Hoisting)是JavaScript中的一个概念,它指的是在函数或代码块内部声明的变量(使用var关键字)在代码执行之前就被提升(hoisted)到其包含函数或全局作用域的顶部
松果猿
·
2024-02-20 09:57
javascript
前端
MySQL系列之索引入门(下)
1.createta
ble
最直接的方式就是建表时创建,比如user表:CREATETA
BLE
`user`(`user_id`varchar(8)COLLATEutf8mb4_binNOTNULLCOMMENT
ZHOU西口
·
2024-02-20 09:56
数据库
mysql
数据库
mysql中慢查询问题解决思路
定位执行慢的SQL:慢查询日志1.开启慢查询日志参数我们再来查看下慢查询日志是否开启,以及慢查询日志文件的位置:执行这个命令:showvaria
ble
slike'%slow_query_log%';通常情况下这个结果的执行结果如下
技术带师御坂云
·
2024-02-20 08:52
sql学习
sql
mysql
Kotlin基础——泛型
泛型类型参数编译器一般可以推导出类型实参若创建空的list,则需要显示指定类型实参,可以用如下两种方式valname:Muta
ble
List=muta
ble
ListOf()valname2=muta
ble
ListOf
松仔log
·
2024-02-20 08:47
#
Kotlin基础
kotlin
开发语言
android
使用TinyXML-2解析XML文件
XML(EXtensi
ble
MarkupLanguage,即可扩展标记语言)是一种用于描述数据的标记语言,它让数据以一种结构化的方式呈现,使得计算机程序能够轻松理解和处理这些数据。
时栈
·
2024-02-20 08:14
TinyXML
xml解析
c++
Flink SQL
FlinkSQL来源:B站尚硅谷sql-client准备Ta
ble
API和SQL是最上层的API,在Flink中这两种API被集成在一起,SQL执行的对象也是Flink中的表(Ta
ble
),所以我们一般会认为它们是一体的
魅美
·
2024-02-20 08:10
大数据基础
笔记
flink
sql
大数据
HbaseAPI
dml的概念是对数据的操作和查询什么的,dml都是去调用Ta
ble
对象的方法实现的,Ta
ble
对象通过连接.getTa
ble
获取。
astudybear
·
2024-02-20 08:40
hbase
数据库
database
C Primer Plus(第六版)16.18 编程练习 第3题
#include#include#definePI3.14159265358979structj{dou
ble
len;dou
ble
jd;};structz{dou
ble
x;dou
ble
y;};structzjtoz
apple_50569014
·
2024-02-20 08:09
C
Primer
Plus(第六版)
c语言
开发语言
mysql登录 unknown varia
ble
'datadir=/data1/mysql/var/'
修改mysql数据库路径后,用/usr/local/mysql/bin/mysql-uroot-p进入报错/usr/local/mysql/bin/mysql:unknownvaria
ble
'datadir
童安格粉丝
·
2024-02-20 08:39
数据库
unknown
variable
Java之多线程补充
的调度运行停止线程的2个方式1.建议正常停止-->设置次数,不要陷入死循环2.使用标志位不要使用JDK中不建议或已经过时的方法以下是标志位结束代码:publicclassDemoimplementsRunna
ble
yrpyy
·
2024-02-20 08:08
java
开发语言
C Primer Plus(第六版)16.18 编程练习 第7题
#include#include#includevoidshow_array(constdou
ble
ar[],intn);dou
ble
*new_d_array(intn,...)
apple_50569014
·
2024-02-20 08:06
C
Primer
Plus(第六版)
c语言
开发语言
Vue3警告:Write operation failed: computed value is readonly
前因:利用vuex存放公共属性,并在组件中利用computed赋值调用锁定问题来源:(这里使用setup语法糖,js语法)letisVisi
ble
=computed(()=>store.state.daiLog.isVisi
ble
ydcgye_
·
2024-02-20 08:06
前端
javascript
开发语言
sql语句学习(一)--查询
【有道云笔记】基本sql语句2—查询基础数据库表结构DROPTA
BLE
IFEXISTS`class`;CREATETA
BLE
`class`(`id`int(11)NOTNULLAUTO_INCREMENT
青城小虫
·
2024-02-20 08:29
mysql
数据库
sql
学习
oracle
VUE 3.0源码之computed
import{computedas_computed}from'@vue/reactivity'functioncomputed(getterOrOptions:ComputedGetter|Writa
ble
ComputedOpt
soooyoung
·
2024-02-20 08:28
vue3
源码
vue
vue
Android使用shape定义带渐变色的背景
在drawa
ble
目录下创建文件bg_gradient.xml文件内的内容如下:angle表示渐变角度渐变角度,仅用于线性渐变。必须是[0-315]范围内45的倍数。
晒干的老咸鱼
·
2024-02-20 08:23
Android
android
hive load data未正确读取到日期
1.源数据CSV文件日期字段值:2.hiveDDL语句:CREATEEXTERNALTA
BLE
`test.textfile_ta
ble
1`(`id`intCOMMENT'????'
dogplays
·
2024-02-20 08:48
hive
hadoop
数据仓库
101.对称二叉树
publicclassPro
ble
m_010
efzy
·
2024-02-20 08:15
algorithm
java
算法
leetcode
数据结构
后端
vuex 有哪几种属性?
getters:{dou
ble
Count:state=>state.count*2}mutations:用于修改状态数据的方法。只能进行同步操作。
我爱学习yq
·
2024-02-20 08:11
前端
javascript
数据库
zookeeper源码(08)请求处理及数据读写流程
ServerCnxn抽象类代表一个客户端连接对象:从网络读写数据数据编解码将请求转发给上层组件或者从上层组件接收响应管理连接状态,比如:ena
ble
Recv、sessionTimeout、stale、invalid
xuguofeng2016
·
2024-02-20 08:06
Spring
Cloud
zookeeper
分布式组件
zookeeper
分布式
spring
cloud
java
Elasticsearch如何设置跨域
.***”字段的值:http.cors.ena
ble
d:true#是否支持跨域,默认为falsehttp.cors.allow-origin:"*"#当设置允许跨域,默认为*,表示支持所有域名,如果我们只是允许某些网站能访问
奔跑吧邓邓子
·
2024-02-20 08:29
高效运维
elasticsearch
大数据
搜索引擎
SpringBoot到底是如何进行自动配置的?都把哪些组件进行了自动配置?
由@SpringBootConfiguration、@Ena
ble
dAutoconfiguration、@ComponentScan注解组合。
是阿洋啊
·
2024-02-20 08:28
Java
SpringBoot
spring
boot
后端
java
2022-2023学年英语周报高一课标版第7期答案及试题(第七期)
阅读理解:Isatatthebreakfastta
ble
进入查看:2022-2023学年英语周报高一课标版第7期答案及试题(第七期)Isatatthebreakfastta
ble
withmyfour-year-oldson
macbooks
·
2024-02-20 07:21
Elasticsearch如何设置密码
目录一、配置1.修改配置文件2.设置密码3.修改密码二、验证一、配置1.修改配置文件修改配置文件config/elasticsearch.yml,写入以下配置:xpack.security.ena
ble
d
奔跑吧邓邓子
·
2024-02-20 07:48
高效运维
elasticsearch
大数据
搜索引擎
Swift 指北
套话…Swift包含了C和Objective-C上所有基础数据类型,Int表示整型值;Dou
ble
和Float表示浮点型值;Bool是布尔型值;String是文本型数据。
山河丘壑
·
2024-02-20 07:15
Swift
swift
iphone
ios
数据处理与可视化软件Ta
ble
au、Qlikview、Power BI 全方位比较
业界最顶级的几个工具是Ta
ble
au、Ql
z434890
·
2024-02-20 07:13
数据分析与处理
Effective c++笔记----const
constauthorName=“ScottMeyers”conststd::stringauthorName(“ScottMeyers”)#defineASPECT_RATIO1.653constdou
ble
AspectRatio
liuge
·
2024-02-20 07:10
c++学习
effective
c++
8.0 新特性 - Caching SHA-2 Plugga
ble
Authentication
文章目录前言1.mysql_native_password介绍2.caching_sha2_password介绍3.常见问题3.1连接报错3.2复制配置3.3组复制配置后记前言升级到MySQL8.0后,可能会遇到如下报错,常发生在连接MySQL或配置复制关系的时候。ERROR2061(HY000):Authenticationplugin‘caching_sha2_password’reporte
Bing@DBA
·
2024-02-20 07:07
MySQL
mysql
MySQL基本语句
以下是一些用于执行CRUD操作(创建、读取、更新、删除)的基本MySQL语句:1.Create(Insert):INSERTINTOta
ble
_name(column1,column2,...)VALUES
依旧很淡定
·
2024-02-20 07:07
mysql
数据库
ubuntu20.04配置samba让windows访问共享文件夹
samba打开配置文件sudovim/etc/samba/smb.conf在最下面添加,按需求设置不同的参数[share]comment=sharepath=/media/SD#共享文件夹的路径browsa
ble
海雅信子
·
2024-02-20 07:03
linux
linux
windows
WSL安装Ubuntu22.04,以及深度学习环境的搭建
以管理员身份打开PowerShell并运行:dism.exe/online/ena
ble
-feature/featurename:VirtualMachinePlatform/all/norestart
静静AI学堂
·
2024-02-20 07:28
疑难问题
深度学习
人工智能
蓝牙
BLE
学习-GATT和ATT
没有GATT,
BLE
协议栈也能跑。但互联互通就会出问题,也正是因为有了GATT和各种各样的应用profile,
BLE
摆脱了Z
Johnny 周
·
2024-02-20 07:25
蓝牙
学习
网络
嵌入式系统
Hbase - 自定义Rowkey规则
>在Flink中我们有时候需要分析数据1点到2点的范围,可是经过Region又比较慢,这时候我们就可以定制`Ta
ble
InputFormat`来实现我们的需求了,我们还可以采用Flink的`DataSet
kikiki5
·
2024-02-20 07:17
Java transient关键字使用小记
原文1.transient的作用及使用方法我们都知道一个对象只要实现了Seriliza
ble
接口,这个对象就可以被序列化,java的这种序列化模式为开发者提供了很多便利,我们可以不必关系具体序列化的过程
一_贫
·
2024-02-20 07:43
蓝牙
BLE
安全-SSP简单安全配对
SSP的配对过程由于可以根据设备的IO能力选择不同的关联模型,因此十分灵活,其提供了四种方式:NumericComparison、PasskeyEntry、JustWorks以及OutofBand(OOB)。这里关联方式的选择实质上对后面的流程是有一定影响的,如JustWorks就不需要对LinkKey进行验证。NumericComparison:数值比较是针对两种蓝牙设备都能显示六位数字并允许用
Johnny 周
·
2024-02-20 07:16
蓝牙
安全
网络
LeetCode1723. 完成所有工作的最短时间 Java回溯+剪枝(详解)
1723.完成所有工作的最短时间链接:https://leetcode-cn.com/pro
ble
ms/find-minimum-time-to-finish-all-jobs/solution/javahui-su-jian-zhi-by-oyzg
oyzg
·
2024-02-20 07:12
LeetCode
java
leetcode
算法
2018-11-23
attempttosolvethepro
ble
mwhichoccurredfrequentlyduringthedebuggingexperiencerecently."
啊啊啊啊啊1231
·
2024-02-20 07:45
完成所有工作的最短时间(Java算法每日一题)
原题链接:https://leetcode.cn/pro
ble
ms/find
万家林
·
2024-02-20 07:42
leetcode
算法
leetcode
sta
ble
-cascade 文生图模型diffusers使用案例
参考:https://huggingface.co/stabilityai/sta
ble
-cascade下载:需要分别下载两个模型stabilityai/sta
ble
-cascade-prior与stabilityai
loong_XL
·
2024-02-20 07:11
多模态
深度学习
AIGC
VLM
FlinkSql一个简单的测试程序
FlinkSql一个简单的测试程序以下是一个简单的FlinkSQL示例,展示了如何使用FlinkTa
ble
API和FlinkSQL进行基本的数据流处理。
公子乂
·
2024-02-20 07:36
java
flink
Remix在CentOS7上的安装和问题解决
stackError:Can'tfindPythonexecuta
ble
"python",解决方案:安装Python2.7.15版本,并配置环境变量4、问题2MSBUILD:errorMSB3428:未能加载
飞狗未来
·
2024-02-20 07:58
Linux系统安全之ipta
ble
s防火墙
目录一、安全技术与防火墙1、安全技术2、防火墙的分类二、ipta
ble
s防火墙基本介绍1、ipta
ble
s的组成概述1.2netfilter/ipta
ble
s关系:2、ipta
ble
s防火墙默认规则表、
小艺要秃头
·
2024-02-20 07:30
pytorch
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