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BLE连接错误
后端处理前端NaN导致报错
用实体接参数时,属性类型是Dou
ble
,前端传NaN会报错,做了简单处理,记录一下,当然前端不传NaN就更好了…packagecn.edu.oa.jsonSerializer;importcn.micro.framework.exception.BusinessException
旋转跳跃闭着眼
·
2024-09-08 08:32
jupyter notebook中rise插件的安装
jupyter,当我直接运行如下命令:pipinstallRISEjupyter-nbextensioninstallrise--py--sys-prefixjupyter-nbextensionena
ble
rise
猫大鸡腿
·
2024-09-08 07:24
jupyter
ide
python
每日一题 day 08
1>递归次数过多,栈溢出emmclassSolution{publicdou
ble
myPow(dou
ble
x,intn){dou
ble
ans=1.0;if(n使用快速幂
lhsnhs
·
2024-09-08 06:17
蓝桥杯
职场和发展
Docker进阶-构建镜像最佳实践
通过dockerrun--itdebian可以启动一个debian的容器,终端会有如下输出:/#dockerrun-itdebianUna
ble
tofindimage'debian:latest'locallylatest
「已注销」
·
2024-09-08 05:45
Docker
docker
linux
运维
【ABAP】ALV刷新显示及双击ALV跳转事务码的方法
检查alv变更callmethodref1->refresh_ta
ble
_display."刷新显示刷新按钮when'&NTE'.rs_selfield-refresh='X'."
Lingarrrd
·
2024-09-08 05:45
sap
abap
sap
abap
Java八股——数据库(MySQL)、Redis、JVM
169.float和dou
ble
的区别是什么?170.MySQL的内连接、左连接、右连接有什么区别?169、数据库如何保证主键唯一性17
七三2001
·
2024-09-08 05:13
Java八股
数据库
mysql
java
redis
Colorful Truck Challenge
Gamegoal:reasona
ble
operation,smoothandsmooth!
Qwerasdzxc
·
2024-09-08 04:09
2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(1)
3.ipta
ble
s表(ta
ble
s)和链(chains)下面的表格展示了表和链的对应关系。
2401_86394219
·
2024-09-08 04:37
学习
笔记
网络
2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(2)
2、Netfilter/ipta
ble
s是表的容器,ipta
ble
s包含的各个表(filter,NAT,MANGLE,RAW)3、ipta
ble
s的表又是链的容器。
2401_86394221
·
2024-09-08 04:37
学习
笔记
网络
2024年最新2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s(1),2024年最新含BATJM大厂
为了做好运维面试路上的助攻手,特整理了上百道【运维技术栈面试题集锦】,让你面试不慌心不跳,高薪offer怀里抱!这次整理的面试题,小到shell、MySQL,大到K8s等云原生技术栈,不仅适合运维新人入行面试需要,还适用于想提升进阶跳槽加薪的运维朋友。本份面试集锦涵盖了174道运维工程师面试题128道k8s面试题108道shell脚本面试题200道Linux面试题51道docker面试题35道Je
2024spring
·
2024-09-08 04:07
程序员
学习
笔记
2024年最新2024整理 ipta
ble
s防火墙学习笔记大全_modepro ipta
ble
s,2024年最新最新Linux运维高级面试题汇总
网上学习资料一大堆,但如果学到的知识不成体系,遇到问题时只是浅尝辄止,不再深入研究,那么很难做到真正的技术提升。需要这份系统化的资料的朋友,可以点击这里获取!一个人可以走的很快,但一群人才能走的更远!不论你是正从事IT行业的老鸟或是对IT行业感兴趣的新人,都欢迎加入我们的的圈子(技术交流、学习资源、职场吐槽、大厂内推、面试辅导),让我们一起学习成长!–flush-F[chain]Deleteall
2024云技术
·
2024-09-08 04:37
程序员
运维
学习
笔记
【MySQL】深圳大学数据库实验二
HAVINGGROUPBY的用法HAVING的用法综合示例小结4.2EXERCISES6SUBQUERIES.1.标量子查询(ScalarSubquery)2.行子查询(RowSubquery)3.表子查询(Ta
ble
Subquery
看未来捏
·
2024-09-08 04:06
深大数据库
数据库
mysql
【Spring Boot】 SpringBoot自动装配-Condition
Conditional2.2Condition2.2.1ConditionContext三、使用说明3.1创建项目3.1.1导入依赖3.1.2添加配置信息3.1.3创建User类3.1.4创建条件实现类3.1.5修改启动类3.2测试3.2.1当user.ena
ble
从零开始的-CodeNinja之路
·
2024-09-08 04:36
spring
boot
后端
java
PyTorch版本、Python版本和pytorch_lightning版本的对应关系
CompatibilitymatrixPyTorchLightningfollowsNEP29whichPyTorchalsofollows(#74203).Theta
ble
belowindicatesthecoverageoftestedversionsinourCI.Versionsoutsidetherangesmayunofficiallyworkinsomecases.lightning
ssm1122
·
2024-09-08 04:33
python
pytorch
Proto3: JSON Mapping - JSON映射
Proto3supportsacanonicalencodinginJSON,makingiteasiertosharedatabetweensystems.Theencodingisdescribedonatype-by-typebasisintheta
ble
below.Proto3
Upping8
·
2024-09-08 03:54
关于使用Easyswoole 自定义MYSQL 连接池,一段时间后,操作接口,报数据库
连接错误
,然后在请求接口,就正常了
关于使用Easyswoole自定义MYSQL连接池,一段时间后,操作接口,报数据库
连接错误
,然后在请求接口,就正常了首先我们来看看对应的easyswoole数据库注册Config/Mysq.php$mysql
树下水月
·
2024-09-08 02:25
数据库
mysql
oracle
判断python对象是否可调用的三种方式及其区别
基本上判断python对象是否为可调用的函数,有三种方法:1、使用内置的calla
ble
函数calla
ble
(func)用于检查对象是否可调用,返回True也可能调用失败,但是返回False一定不可调用
Python 学习者
·
2024-09-08 02:55
python
编程语言
HTML表格
ta
ble
,tr,td{border:lpxsolidsilver;}表格标题表头单元格HTMLCSSJavaScriptJQuery标准单元格合并行:rowspan在HTML中,我们可以使用rowspan
一壶浊酒..
·
2024-09-08 02:54
前端开发
html
前端
Python3排序 sort(),reversed(),sorted()
序列排序列表.sort()list.sort(cmp=None,key=None,reverse=False)sorted(序列)sorted(itera
ble
,key=None,reverse=False
SS_此心安处是吾乡
·
2024-09-08 02:54
【亲测有效】nginx负载均衡指定ip端口转发,做自动切换
监听两个目标公网ip,这两个目标ipA,ipB是做了ipta
ble
s的转发,按照端口转发的,例如我访问ipA的3333端口就转发某个squid代理x上,访问ipB的3333端口也转发到同一个squid代理
Zda天天爱打卡
·
2024-09-08 02:53
nginx
负载均衡
tcp/ip
Bash Commons:提升Bash脚本开发效率的开源利器
BashCommons:提升Bash脚本开发效率的开源利器bash-commonsAcollectionofreusa
ble
Bashfunctionsforhandlingcommontaskssuchaslogging
喻季福
·
2024-09-08 02:23
React Native Date Picker 使用教程
react-native-date-pickerReactNativeDatePickerisdatetimepickerforAndroidandiOS.Itincludesdate,timeanddatetimepickermodes.Thedatepickeriscustomiza
ble
andissupportingdifferentlang
喻季福
·
2024-09-08 02:53
ClickHouse 二进制特征值怎么转化为字符串
例如:SELECTbase64Encode(feature)FROMmy_ta
ble
;2.使用hex编码hex是一种将二进制数据转化为十六进制字符串的方法
树下水月
·
2024-09-08 02:20
clickhouse
Mac 电脑中怎么查看和修改环境变量,Mac中设置python的环境变量(小白必看)
前言:什么是环境变量环境变量(environmentvaria
ble
s)一般是指在操作系统中用来指定操作系统运行环境的一些参数,如:临时文件夹位置和系统文件夹位置等。
小聒吃不胖
·
2024-09-08 02:20
macos
【Qt笔记】QListWidget控件详解
目录引言一、基本概念和特性二、基本用法2.1创建和初始化2.2添加和删除项2.3选择和遍历项三、信号与槽3.1itemClicked3.2itemDou
ble
Clicked3.3itemSelectionChanged
冷眼看人间恩怨
·
2024-09-08 01:47
Qt
qt
笔记
开发语言
QListWidget
【DevOps工具篇】使用Ansi
ble
部署Keycloak oauth2proxy 和 单点登录(SSO)设置
【DevOps工具篇】使用Ansi
ble
部署Keycloakoauth2proxy和单点登录(SSO)设置目录【DevOps工具篇】使用Ansi
ble
部署Keycloakoauth2proxy和单点登录
小涵
·
2024-09-08 01:17
DevOps企业级项目实战
devops
ansible
运维
ldap
keycloak
proxy
oauth
力扣题55.跳跃游戏
55.跳跃游戏https://leetcode.cn/pro
ble
ms/jump-game/给你一个非负整数数组nums,你最初位于数组的第一个下标。数组中的每个元素代表你在该位置可以跳跃的最大长度。
从此不叫無名
·
2024-09-08 01:44
算法
数据结构
c语言
力扣
leetcode
thinkphp5支持php,如何让swoole完美支持ThinkPHP5呢
http.serverset(['ena
ble
_static_handler'=>true,'document_root'=>"/usr/local/openr
坎布里奇大脸猫
·
2024-09-08 00:11
thinkphp5支持php
flink---window
datastream/operators/windows/SQL:https://nightlies.apache.org/flink/flink-docs-release-1.17/zh/docs/dev/ta
ble
搞数据的小杰
·
2024-09-08 00:38
flink
大数据
Ollama常用信息
目录常用命令常用模型运行模型常用命令输入Ollama命令,正常的得出命令行输出,表示已经安装成功,下面有ollama的常用命令:Usage:ollama[flags]ollama[command]Availa
ble
Commands
AIGC_Connect
·
2024-09-07 23:29
Ollama
语言模型
大模型计算首字吐出时间
8importopenpyxlimportrequestsfromloguruimportloggerimportjsonimporttime#读取excel文件的路径filepath="F:/chery_gpt_pro
ble
m
一个月总有那么30天不想上班
·
2024-09-07 23:28
python
Transformer+目标检测,这一篇入门就够了
机制:Self-Attention机制:Multi-HeadAttention:Transformer结构:图像分类之ViT:图像分类之PyramidViT:目标检测之DETR:目标检测之Deforma
ble
DETR
BIT可达鸭
·
2024-09-07 21:19
▶
深度学习-计算机视觉
transformer
深度学习
目标检测
计算机视觉
自然语言处理
RK3566/RK3568 Android 11 动态显示/隐藏下拉框
创建全局变量1.定义全局变量在frameworks/base/core/java/android/provider/Settings.java中添加/***Disa
ble
drop-downbox*@hide
安卓framework定制
·
2024-09-07 21:46
RK3566/RK3568
Android
11系统开发
android
ansi
ble
register 之用法
ansi
ble
register这个功能非常有用。当我们需要判断对执行了某个操作或者某个命令后,如何做相应的响应处理(执行其他ansi
ble
语句),则一般会用到register。
图灵AI云
·
2024-09-07 21:16
ansible
ansible
register
Android从零开始搭建MVVM架构(6)
//加载项目build.gradle的anroid标签下dataBinding{ena
ble
d=true}添加相关依赖//okhttp、retrofit、rxjavaimplementation‘com.squareup.okhttp3
m0_66070459
·
2024-09-07 21:46
程序员
面试
移动开发
android
Ble
nder纹理绘制无效的几种解决方案(备忘录01)
图片来源:b站:Nora仙仙仙https://www.bilibili.com/video/BV1x8411r76A/解决方案:1.1:到编辑模式下选中物体后重试;1.2(本人遇到的问题):打开面朝向模式,蓝色的物体是正常物体,红色表示面朝向相反,你画的东西都在背面全选并SHIFT+N,就可以把面朝向反过来
2301_78998594
·
2024-09-07 20:12
blender
Java线程池
Calla
ble
和Runa
ble
都是启动一个线程,不过Calla
ble
可以有返回值importjava.util.concurrent.
sparkle123
·
2024-09-07 20:19
2023 China Collegiate Programming Contest (CCPC) Guilin (VP桂林 & 补题)
CCPC)Guilin(VP桂林&补题)文章目录2023ChinaCollegiateProgrammingContest(CCPC)Guilin(VP桂林&补题)写在前面G.HardBracketsPro
ble
m
farawaytravelerchy
·
2024-09-07 20:07
ACM-ICPC训练补题
CCPC
ICPC
算法
2023ICPC济南站训练补题
1812:16:23mathjax:truetags:XCPCcategories:Algorithm文章目录2023ICPC济南站训练补题注:暂时更新vp时ac的4道题,其余题目之后持续更新[Pro
ble
m-D-LargestDigit
farawaytravelerchy
·
2024-09-07 20:36
ACM-ICPC训练补题
算法
python
BIOS开发之路(三)——UEFI的概念及启动阶段
一、UEFI概述1、UEFI的全称是UnifiedExtensi
ble
FirmwareInterface,统一可扩展固件接口,定义了操作系统和平台固件之间的接口,可以让PC从预启动的操作环境,加载到操作系统上
修行者xxl
·
2024-09-07 19:05
BIOS开发
服务器
c++
嵌入式硬件
The 2023 ICPC Asia Regionals Online Contest (2)-2023 ICPC网络赛第二场部分题解 I,M
程序设计类实验辅助教学平台(pintia.cn)MDirtyWork(数学期望/贪心)ItisanotherICPCcontest.Yourteammatessketchedoutallsolutionstothepro
ble
msinafractionofasecondandwentawayt
小新-杂货铺
·
2024-09-07 19:34
算法竞赛补题复盘
网络
算法
c++
代码随想录算法训练营第六十五天 | dijkstra(堆优化版)精讲、Bellman_ford 算法精讲、复习
dijkstra(堆优化版)精讲—卡码网:47.参加科学大会题目链接:https://kamacoder.com/pro
ble
mpage.php?
Danny_8
·
2024-09-07 19:00
算法
java
数据结构
图论
Java设计模式(四)—— 原型模式
目录一、问题的提出二、原型模式三、原型模式具体实现方法(1)利用构造函数方法浅复制深复制(2)利用Clonea
ble
接口方法浅复制深复制(3)利用Serializa
ble
序列化接口方法原型模式是指用原型实例指定创建对象的种类
小小印z
·
2024-09-07 18:57
设计模式
原型模式
java
设计模式
【SpringBoot】自动配置原理
以下是SpringBoot自动配置的基本原理和工作流程:通过@SpringBootConfiguration引入了@Ena
ble
AutoConfiguration(负责启动自动配置功能)@Ena
ble
AutoConfigurati
qx_java_1024
·
2024-09-07 18:26
SpringBoot
spring
boot
java
spring
day48——杂项
Lambda表达式(C++11)1.1基本概念lambda表达式相当于在函数中定义一个轻量版函数,可以直接使用,也可以赋值给其他函数指针变量使用1.2定义格式1>格式:[捕获列表](函数形参列表)[muta
ble
初夏怡情
·
2024-09-07 16:10
java
开发语言
debian10安装配置_如何在Debian 10上设置和配置证书颁发机构(CA)
debian10安装配置介绍(Introduction)ACertificateAuthority(CA)isanentityresponsi
ble
forissuingdigitalcertificatestoverifyidentitiesontheinternet.AlthoughpublicCAsareapopularchoiceforverifyingtheidentityofwebsit
cukw6666
·
2024-09-07 16:38
linux
java
python
ubuntu
大数据
python的迭代器
1.迭代:遍历集合元素的一种方式2.可迭代对象(Itera
ble
):可以用for…in…循环遍历的对象,可以逐个拿出2.1常见的可迭代对象:列表、元组、字典、集合2.2判断一个对象是可迭代对象:导入模块
(initial)
·
2024-09-07 16:38
python
python
开发语言
C++常见异常汇总(二): undefined reference to
文章目录1、undefinedreferencetoA2、undefinedreferenceto`vta
ble
2.1模版函数定义方案1:定义与实现均一起定义在头文件中2.2模版函数定义方案2:定义的同一个文件中
牛魔王的小怪兽
·
2024-09-07 15:35
C++
c++
开发语言
pyflink 自定义函数
frompyflink.datastreamimportStreamExecutionEnvironmentfrompyflink.common.typeinfoimportTypesfrompyflink.datastreamimportStreamExecutionEnvironmentfrompyflink.ta
ble
importStreamTa
ble
Environmentfrompyfli
scan724
·
2024-09-07 15:05
Flink实时计算
python
开发语言
简易版LiveData-->实现MVVM
ViewModelpackagecom.example.jetpacktest;publicclassViewModel{publicStringname;publicintcount;}二、简易的LiveData实现--命名为:Obsera
ble
Anypackagecom.examp
战国剑
·
2024-09-07 15:34
Android技巧
android
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