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BLE(低功耗)蓝牙开发
Mybatis Plus 报错Caused by: java.lang.reflect.Inaccessi
ble
ObjectException: Una
ble
to make
[Causedby:java.lang.reflect.Inaccessi
ble
ObjectException:Una
ble
tomakefieldprivatefinaljava.lang.Classjava.lang.invoke.SerializedLambda.capturingClassaccessi
ble
学个Jvav
·
2024-02-15 08:00
mybatis
java
spring
K8S 生态周报| Helm v2 最后一个特性版本发布
Docker19.03.4正式发布在本周Docker发布了19.03.4版本,这个版本主要是为了修复上周周报中介绍的DOCKER-USERipta
ble
s链丢失的问题。
TaoBeier
·
2024-02-15 08:57
android相关网络命令记录
tcpdump-iany>/sdcard/test.cap不过滤端口抓包tcpdump-ieth0-s0-w/home/test.cap只抓eth0相关的包ipruleadd...ipta
ble
s-f
春困夏乏秋盹冬眠_3091
·
2024-02-15 08:58
java线程状态
2、就绪状态(Runna
ble
):线程对象创建后,其他线程调用了该对象的start()方法。该状态的线程位于可运行线程池中,变得可运行,等待获取CPU的使用权。
Maple_JW
·
2024-02-15 08:16
用html写一个求长方形面积的输入长宽的框,点击按钮后,在jsp中显示面积(两种写法)
页计算长方形面积计算结果:长度:宽度:面积:第二种HTML页长方形面积计算器长方形面积计算器长:宽:JSP页显示面积0&&widthStr.length()>0){try{//将字符串转换为双精度浮点数dou
ble
length
诗句藏于尽头
·
2024-02-15 08:22
java
java
html
前端
Java BIO NIO AIO,Integer和String必问知识点
publicclassNIOServerHandleimplementsRunna
ble
{privateintport;privateServerSocketChannelserverSocketChannel
m0_60635084
·
2024-02-15 08:51
程序员
java
udp
后端
DCNNs之DNA论文阅读笔记
Article:DeepConvolutionalNeuralNetworkArchitectureWithReconfigura
ble
ComputationPatternsJournalTitle:IEEETransactionsonVeryLargeScaleIntegration
苏十一0421
·
2024-02-15 08:46
jdk1.8中的hashmap实现原理和源码分析
HashMap位于java.util包下,继承AbsractMap,实现Map,Clonea
ble
,Serializa
ble
接口。
娟宝宝萌萌哒
·
2024-02-15 08:16
java
jdk1.8
hashmap
原理
Be a simple and happy ordinary person(1)
Idealisthedrivingforceoflife,butifpeopleclingtoittoomuch,itwillbecomeashackleoflife,andyourlifewillfeelheavy,andfinallycrum
ble
anddieintheburdenofconstantdisappointment.Remembertheadage"theordinaryisth
KevinZucker
·
2024-02-15 08:15
Oracle数据库
1.请解释什么是分区表(PartitionedTa
ble
)以及它的优点。分区表是一种数据库技术,它将一个大表分成多个小的、更易于管理的部分,每个部分称为一个分区。
编织幻境的妖
·
2024-02-15 08:41
数据库
oracle
SpringBoot多线程并发定时任务
开启缓存注解@SpringBootApplication@Ena
ble
Scheduling//开启定时任务publicclassApplication{publicstaticvoidmain(String
奇点一氪
·
2024-02-15 08:14
第三单元复盘日志
从本单元中我学到的最重要的概念视听说:Talkingskillsonthephone精读:Readingspeedandskills2,我在本片文章/音频/视频中学到的怦然心动的单词视听说:tremendous(极好的)incredi
ble
人文二班14李思潼
·
2024-02-15 08:08
VLOOKUP函数的使用
VLOOKUP函数使用说明:VLOOKUP(lookup_value,ta
ble
_array,col_index_num,range_lookup)参数说明:lookup_value要查找的值数值、引用或文本字符串
肖明卫
·
2024-02-15 08:58
1、冒泡排序(Bub
ble
Sort)
冒泡排序是一种简单的排序算法。它重复地走访过要排序的数列,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。走访数列的工作是重复地进行直到没有再需要交换,也就是说该数列已经排序完成。这个算法的名字由来是因为越小的元素会经由交换慢慢“浮”到数列的顶端。1.1算法描述比较相邻的元素。如果第一个比第二个大,就交换它们两个;对每一对相邻元素作同样的工作,从开始第一对到结尾的最后一对,这样在最后的元素应
Awanwan
·
2024-02-15 08:11
FaE:基于符号知识的适应性和可解释的神经记忆
©原创作者|朱林论文解读:FactsasExperts:Adapta
ble
andInterpreta
ble
NeuralMemoryoverSymbolicKnowledge论文作者:GoogleResearch
NLP论文解读
·
2024-02-15 08:36
机器学习LDA线性判别器代码实现
importnumpyasnpimportmatplotlib.pyplotaspltdefload_data(file_name):'''数据导入函数:paramfile_name:(string)训练数据位置:return:feature_data(mat)特征la
ble
_data
Longlongaaago
·
2024-02-15 07:38
机器学习
LDA
线性判别分析
代码实现
搜索二维矩阵 II
题目来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/search-a-2d-matrix-ii编写一个高效的算法来搜索mxn矩阵matrix中的一个目标值
二进制的二哈
·
2024-02-15 07:16
AtCoder Beginner Contest 338(A~E补题)
definerep(i,a,b)for(inti=(a);i=(b);--i)#definelsp#definelllonglong#defineullunsignedlonglong#definedbdou
ble
wa的一声哭了
·
2024-02-15 07:34
atcode
算法
数据结构
mybatis
django
java
eclipse
spring
boot
04.寻找所有亚群的差异基因并输出
pbmc-noann.rdata')pbmc=scepbmc.markers%group_by(cluster)%>%slice_max(n=2,order_by=avg_log2FC)write.ta
ble
科研小徐
·
2024-02-15 07:46
java设计模式--原型模式
原型模式的核心是一个clone方法,通过该方法进行对象的拷贝,Java提供了一个Clonea
ble
接口来标示这个对象是可拷贝的,在JVM中具有这个标记的对象才有可能被拷贝。
代码墨白
·
2024-02-15 07:44
一文带你了解NFT,什么是NFT电商?
请点击输入图片描述(最多18字)不管是之前的NFT(Non-Fungi
ble
Token,非同质化代币),还是改名后的NFR(Non-Fungi
ble
Rights,非同质化权益),我们都应该看到其本质,那就是
商业模式策划华宇
·
2024-02-15 06:18
代码随想录算法训练营29期Day51|LeetCode 139
文档讲解:单词拆分139.单词拆分题目链接:https://leetcode.cn/pro
ble
ms/word-break/description/思路:单词就是物品,字符串s就是背包,单词能否组成字符串
tlingyuqi
·
2024-02-15 06:55
代码随想录算法训练营29期
算法
leetcode
职场和发展
动态规划
c++
51单片机编程基础(C语言):LED点阵屏
OE:OutputEna
ble
,代表输出使能在介绍74HC595模块时,首先介绍一下J24模块,要是想使用74HC595模块,就必须要将OE端
爱学C语音的猫
·
2024-02-15 06:24
51单片机编程应用
51单片机
c语言
嵌入式硬件
代码随想录算法训练营29期Day50|LeetCode 70,322,279
文档讲解:爬楼梯(进阶)零钱兑换完全平方数70.爬楼梯(进阶)题目链接:https://kamacoder.com/pro
ble
mpage.php?pid=1067思路:这其实是一个完全背包问题。
tlingyuqi
·
2024-02-15 06:23
代码随想录算法训练营29期
算法
leetcode
职场和发展
c++
动态规划
10-OpenFeign-实现异步调用
1、使用java8的Completa
ble
Future异步工具@ResourceOauthFeignoauthFeign;@GetMapping("/get")publicObjectget(){Completa
ble
Futurecompleta
ble
Future
宣晨光
·
2024-02-15 06:22
openfeign
异步调用
Flink SQL Query 语法(三)- Join
主要引用官方文档https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/dev/ta
ble
/sql/queries/joins
Alex90
·
2024-02-15 06:18
mysql中插入数据时Duplicate entry '' for key 'primary'
1.IGNOREINSERTIGNOREINTOTa
ble
_name(…..)VALUES(1,1),(2,2),(3,3);使用IGNORE,如果插入的记录中存在重复值会忽略重复值的该记录行,不影响其他行的插入
Herodz
·
2024-02-15 06:53
Vue3+Ant-Design-Vue:报错Cannot read properties of null (reading ‘isCE‘)
问题描述在使用Ant-Design-Vue内置的Ta
ble
表格组件,实现expand展开行功能时,报错:UncaughtTypeError:Cannotreadpropertiesofnull(reading
是席木木啊
·
2024-02-15 06:42
Vue
vue.js
前端
javascript
【力扣白嫖日记】SQL
前言练习sql语句,所有题目来自于力扣(https://leetcode.cn/pro
ble
mset/database/)的免费数据库练习题。
Gary.Li
·
2024-02-15 06:41
力扣刷题
leetcode
sql
数据库
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的方式读取
kikiki2
·
2024-02-15 06:39
ta
ble
View嵌套CollectionView,并且ta
ble
View自适应高度,collectionView自适应宽度
先上效果图gif.gif实现原理分为两部分:1、ta
ble
View里面嵌套CollectionView,ta
ble
ViewCell分为标题和collectionView两部分,,并且根据collectionView
Tomous
·
2024-02-15 05:29
Vue 实现点击空白处隐藏某节点
手动监听判断啦啦啦showexportdefault{data(){return{visi
ble
:false,}},methods:{show(){document.addEventListener('
微芒不朽
·
2024-02-15 05:25
react按需加载
1.npm安装babel-plugin-syntax-dynamic-import和react-loada
ble
,如图1:图12.在.babelrc里添加设置"plugins":["syntax-dynamic-import
热心程序猿黄帅哥
·
2024-02-15 05:52
Linux三剑客与管道使用
管道(数据切片)awkLinuxsed(数据修改)grep(数据查找定位)类比grep=select*fromta
ble
like'%xx'awk=selectfieldfromta
ble
sed=updateta
ble
setfield
技无邪
·
2024-02-15 05:00
修复windows下Git Self Signed Certificate in Certificate Chain
在新手使用gitclone的时候,可能会遇到一下这个报错:SSLcertificatepro
ble
m:selfsignedcertificateincertificatechainSSLcertificatepro
ble
m
昨日雨疏风骤
·
2024-02-15 05:28
利用PySide2模块以及Qt设计师(Qt-Designer)设计简易的系统窗体
外部工具的添加(编译器选择为PyCharm或者Vscode)三、新建ui文件并打开Qt-Designer四、Qt-Designer内不同部件的使用1.Label的使用2.Spacers部件的使用3.Ta
ble
Widget
netexsy
·
2024-02-15 05:53
qt
python
GD32F470配置外部中断
key.c#include"key.h"voidKeyInit(void){rcu_periph_clock_ena
ble
(RCU_GPIOE);rcu_periph_clock_ena
ble
(RCU_SYSCFG
m0_61973119
·
2024-02-15 05:20
兆易创新
单片机
嵌入式硬件
74HC154D-LED
(outputs(activeLOW))12:Gnd电源地(ground(0V))18-19:使能输入端、低电平有效(ena
ble
inputs(activeLOW))20-23:地址输入端(addressinputs
m0_61973119
·
2024-02-15 05:19
兆易创新
STM32
HAL库
单片机
嵌入式硬件
shell脚本循环遍历日期,用于sqoop脚本
second"]dodate=`date-d"$first"+"%Y-%m-%d"`sqoopexport\--connectjdbc:mysql://\--username\--password\--ta
ble
dwd_fact_front_orderinfo
茂盛哥哥
·
2024-02-15 04:28
python leetcode/pro
ble
ms/62.unique-paths.md
问题一个机器人位于一个mxn网格的左上角(起始点在下图中标记为“Start”)。机器人每次只能向下或者向右移动一步。机器人试图达到网格的右下角(在下图中标记为“Finish”)。问总共有多少条不同的路径?例如,上图是一个7x3的网格。有多少可能的路径?说明:m和n的值均不超过100。示例1:输入:m=3,n=2输出:3解释:从左上角开始,总共有3条路径可以到达右下角。向右->向右->向下向右->向
郑*鱼
·
2024-02-15 04:33
leetcode
pyyhon
不同路径](https://leetcode-cn.com/pro
ble
ms/unique-paths/)
leetcode:62.不同路径一个机器人位于一个mxn网格的左上角(起始点在下图中标记为“Start”)。机器人每次只能向下或者向右移动一步。机器人试图达到网格的右下角(在下图中标记为“Finish”)。问总共有多少条不同的路径?示例1:输入:m=3,n=7输出:28示例2:输入:m=3,n=2输出:3解释:从左上角开始,总共有3条路径可以到达右下角。1.向右->向下->向下2.向下->向下->
Yingmu__
·
2024-02-15 04:33
leetcode
leetcode
算法
职场和发展
leetcode----63. Unique Paths II
链接:https://leetcode.com/pro
ble
ms/unique-paths-ii/大意:给定一个二维整数矩阵,矩阵中的元素为0/1。1表示该位置是障碍位置。
成程晨
·
2024-02-15 04:02
leetcode
leetcode
leetcode----62. Unique Paths
链接:https://leetcode.com/pro
ble
ms/unique-paths/大意:给定一个二维数组的大小m*n,要求从起点(左上角)走到终点(右下角)有多少种方案。
成程晨
·
2024-02-15 04:32
leetcode
leetcode
动态规划
leetcode.array--62. Unique Paths
题目:62.UniquePaths题目链接:https://leetcode.com/pro
ble
ms/unique-paths/description/一个MxN的矩阵,起点在左上方,终点在右下方,每次只能向右或者向下移动一步
我是NeroZhang
·
2024-02-15 04:01
leetcode
leetcode
array
动态规划
【排列组合】个人练习-Leetcode-62. Unique Paths
题目链接:https://leetcode.cn/pro
ble
ms/unique-paths/题目大意:一个机器人从m*n的矩阵的左上角出发,目的地是右下角,每次只能向下或向右移动一格,求不同的路径的数量
Rstln
·
2024-02-15 04:01
leetcode
算法
职场和发展
LeetCode--62. Unique Paths & 63. Unique Paths II
题目链接:https://leetcode.com/pro
ble
ms/unique-paths/和https://leetcode.com/pro
ble
ms/unique-paths-ii/从(0,0)
To_be_thinking
·
2024-02-15 04:01
2019-12-17第二天
/**/为注释(通常表示程序作用、作者、修改时间)//注释Int整型变量,4字节,每个字节8位,即32位Float单精度浮点型变量,6位小数,整位数与int相同Dou
ble
双精度浮点型变量,12位小数,
2fac57225244
·
2024-02-15 03:47
Linux释放内存
如下图表示,(total)总物理内存是809MB,(used)已使用167MB,(free)剩余285MB,(buff/cache)缓存356MB,(availa
ble
)可用于新进程的内存514MB,此部分包含包括空闲内存
b2105859
·
2024-02-15 03:55
Linux
Shell
Linux
SQL世界之命令语句Ⅴ
SQLCREATEINDEX语法3.SQLCREATEUNIQUEINDEX语法4.SQLCREATEINDEX实例二、SQL撤销索引、表以及数据库1.SQLDROPINDEX语句2.SQLDROPTA
BLE
阳阳大魔王
·
2024-02-15 03:24
SQL
sql
数据库
笔记
经验分享
升级node
最近升级appium版本发现有报错,需要升级node升级方法如下:1.查看node版本node-v2.安装工具nsudocnpminstall-gn3.安装最新版本的node.jssudonsta
ble
4
水漾涟漪penny
·
2024-02-15 03:43
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