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ble蓝牙4.0
连接MySql报错Una
ble
to load authentication plugin 'caching_sha2_password'
在使用mybatis-generator-maven-plugin:generate的时候报了一个Una
ble
toloadauthenticationplugin'caching_sha2_password
培根芝士
·
2024-09-11 09:03
Java
SQL
SQL联表查询LEFT JOIN 数据去重复
使用leftjoin联表查询时,如果ta
ble
1中的一条记录对应了ta
ble
2的多条记录,则会重复查出id相同的多条记录。SELECTt1.
培根芝士
·
2024-09-11 09:33
SQL
sql
数据库
postgresql 判断数据是否存在,存在更新,不存在则插入
INSERTINTOta
ble
_name(create_time,update_time,name,latest_time)VALUES(NOW(),NOW(),'name''2023-04-2519:
llc的足迹
·
2024-09-11 09:32
数据库
postgresql
flask sqlalchemy 动态创建表
创建模型defget_model(suffix):classBaseModel(Base):__ta
ble
name__=f'ta
ble
_{suffix}'__ta
ble
_args__={'extend_existing
llc的足迹
·
2024-09-11 09:02
数据库
flask
sqlalchemy
sqlalchemy判断表是否存在及动态创建表
defget_model(suffix):classTa
ble
Model(Base):__ta
ble
name__=f'ta
ble
_{suffix}'__ta
ble
_args__={'extend_existing
llc的足迹
·
2024-09-11 09:02
数据库
sqlalchemy
Android 9.0 增加interface audio接口,解决编译报错
可以在编译的时候不去checkVNDK,关掉这个可能会导致XTS某些测项跑不过,一般codereview也不会给过...BOARD_VNDK_VERSION:=BOARD_VNDK_RUNTIME_DISA
BLE
main_Java
·
2024-09-11 09:01
android
Hadoop Common 之序列化机制小解
1.JavaSerializa
ble
序列化该序列化通过ObjectInputStream的readObject实现序列化,ObjectOutputStream的writeObject实现反序列化。
猫君之上
·
2024-09-11 08:59
#
Apache
Hadoop
web页面自适应QWebEngineView的大小
#ifndefOPENVIPDIALOG_H#defineOPENVIPDIALOG_H#include#include"dragga
ble
dialog.h"#includenamespaceUi{classOpenVipDialog
吃面不喝汤66
·
2024-09-11 08:29
前端
LeetCode | 0235. 二叉搜索树的最近公共祖先【Python】
Pro
ble
mLeetCodeGivenabinarysearchtree(BST),findthelowestcommonancestor(LCA)oftwogivennodesintheBST.AccordingtothedefinitionofLCAonWikipedia
Wonz
·
2024-09-11 08:43
人生苦短我用Python pandas文件格式转换
互转常用格式的方法FlatfileExcelJSONXML示例2常用格式转换简要需求依赖export方法main方法附其它格式的方法HTMLPicklingClipboardLatexHDFStore:PyTa
ble
s
程序喵D
·
2024-09-11 08:58
人生苦短我用Python
python
pandas
this is incompati
ble
with sql_mode=only_full_group_by解决
项目场景:有时候,遇到数据库重复数据,需要将数据进行分组,并取出其中一条来展示,这时就需要用到groupby语句。但是,如果mysql是高版本,当执行groupby时,select的字段不属于groupby的字段的话,sql语句就会报错。报错信息如下:Expression#1ofSELECTlistisnotinGROUPBYclauseandcontainsnonaggregatedcolumn
返回值
·
2024-09-11 08:27
mysql
sql
mysql
数据库
mysql 查询报错 this is incompati
ble
with sql_mode=only_full_group_by
InaggregatedquerywithoutGROUPBY,expression#1ofSELECTlistcontainsnonaggregatedcolumn‘smart_site.tc.company_name’;thisisincompati
ble
withsql_mode
Wind Drift
·
2024-09-11 08:26
mysql
sql
数据库
3.4 Principles of Relia
ble
Data Transfer (Part 2)
3.4.2PipelinedRelia
ble
DataTransferProtocols如我们在Part1中指出的,rdt3.0虽然是一个正确的可靠数据传输协议,然而它的性能无法满足需求。
找不到工作
·
2024-09-11 08:49
MySQL解决错误this is incompati
ble
with sql_mode=only_full_group_by…
在SQL查询语句中加入groupby时报了以下错误:;badSQLgrammar[];nestedexceptionisjava.sql.SQLSyntaxErrorException:Expression#1ofSELECTlistisnotinGROUPBYclauseandcontainsnonaggregatedcolumn'user.varieties.id'whichisnotfunc
培根芝士
·
2024-09-11 08:25
SQL
mysql
sql
数据库
初见flyway
flyway(一种数据库版本控制工具document)两种文件V和RV:V开头是不可重复执行的文件,每次修改完都该更改名称R:R开头是可重复执行的文件,需要保证内部sql都是可以重复执行的名称格式:V__ta
ble
_name.sql
simple哇
·
2024-09-11 07:52
数据库
数据库
名诗我译(艾米莉·狄金森篇25)——through bram
ble
(穿过荆棘)
译文:真念一思作者:艾米莉·狄金森Throughlaneitlay--throughbram
ble
--Throughclearingandthroughwood--BandittioftenpassedusUponthelonelyroad
臻念
·
2024-09-11 07:12
网络学习-eNSP配置NAT
[Huawei]undoinfo-centerena
ble
Info:Informationcenterisdisa
ble
d.
丢爸
·
2024-09-11 06:48
Linux
网络
网络
学习
linux
2019-11-01
一、SQL语言内置函数代码:1.SQL视图CREATETA
BLE
学生(学号CHAR(10)PRIMARYKEY,姓名CHAR(32),性别CHAR(1),出生日期DATETIME,婚否BIT,政治面貌CHAR
ZxYi
·
2024-09-11 06:21
使用Ananconda prompt创建环境时出现:Unavaila
ble
InvalidChannel: HTTP 404 NOT FOUND for channel simple
出现以下问题:Unavaila
ble
InvalidChannel:HTTP404NOTFOUNDforchannelsimple Thechannelisnotaccessi
ble
orisinvalid.Youwillneedtoadjustyourcondaconfigurationtoproceed.Use
小新eQ
·
2024-09-11 06:08
prompt
python
pip
复盘日志
:assume假设,假定、承担句子:itisnousepretendingthatanyonehasdiscoveredaperfectwayofteachingEnglishineverypossi
ble
situation
旅二37谢严岚
·
2024-09-11 05:45
Anaconda报错
错误日志:Unavaila
ble
InvalidChannel:Thechannelisnotaccessi
ble
orisinvalid.channelname:simplechannelurl:http
fengshuaicool
·
2024-09-11 05:07
python
pycharm
开发语言
区块链:数据库技术
现在大多在用的是关系型数据库,数据被拆分到多张表(Ta
ble
)中,表与表之间的关系可以被记录下来,为了在表之间建立关系,
时汝佳
·
2024-09-11 05:44
mybatisplus查询指定字段
packagecom.test.entity;importcom.baomidou.mybatisplus.annotation.IdType;importcom.baomidou.mybatisplus.annotation.Ta
ble
Field
色空大师
·
2024-09-11 04:26
java
mybatisplus
java 不四舍五入 保留,java保留两位小数(不四舍五入)
这篇文章主要介绍了java使dou
ble
类型保留两位小数的方法,大家参考使用吧复制代码代码如下:mportjava.text.DecimalFormat;DecimalFormatdf=newDecimalFormat
三年九班蓝同学
·
2024-09-11 04:56
java
不四舍五入
保留
Ta
ble
au Prep 2018.3.1 用 PDF 连接器准备数据!
数据准备的过程可能会很复杂,所以,Ta
ble
auPrep应运而生!通过为你提供简化流程的工具,使数据准备更加简单便捷!
阿达_优阅达
·
2024-09-11 03:57
求教大佬们react native 如何实现fiexd固定列
上图是我用reactnative封装的一个ta
ble
,但是固定列没有同步滚动fiexd的固定列,我的思路是将表格分为左右两个flatlist,分别放fiexd和非fiexd列,然后滚动右边的flatlist
小时候丶_2e0a
·
2024-09-11 02:47
推荐项目:Monibuca(m7s)—— 开源直播服务器框架的明日之星
推荐项目:Monibuca(m7s)——开源直播服务器框架的明日之星monibucaMonibucaisaModularized,Extensi
ble
frameworkforbuildingStreamingServer
陶真蔷Scott
·
2024-09-11 02:42
Go Web实战-3.集成Logrus
到文件里面不需要颜色gin.Disa
ble
ConsoleColor()//输出到文件f,_:=os.Create("gin.log")gin.DefaultWriter=io.MultiWriter(f
DevelopLink
·
2024-09-11 02:11
物联网
Gin
Logrus
Golang
Web
数据库有关c语言
关系型数据库是基于表(Ta
ble
)的数据库,其中表由行(Row)和列(Column)组成,每一行代表一个记录(Record),每一列代表一个字段(Field)。
h海棠溪
·
2024-09-11 00:32
数据库
学习
c语言
linux
简要介绍联合索引
举例说明:假设有一个包含first_name和last_name列的users表:CREATETA
BLE
users(user_idINTPRIMARYKEY,first_nameVARCHAR(2
dareu_4523
·
2024-09-11 00:31
八股-数据库
数据库
联合索引
使用Ansi
ble
实现高效服务器配置管理的最佳实践
使用Ansi
ble
实现高效服务器配置管理的最佳实践在现代IT运维中,服务器的配置管理是一个关键环节。传统的手动配置方法不仅耗时耗力,而且容易出错,特别是在规模庞大的服务器集群中,配置的一致性难以保证。
范范0825
·
2024-09-10 23:28
ansible
服务器
运维
使用ansi
ble
的剧本制作salt-master与salt-minion的安装与启动服务过程
虚拟机版本:RockyLinuxrelease8.6(GreenObsidian)准备几台虚拟机ipv4地址主机名192.168.137.13center192.168.137.14sp-1192.168.137.15sp-2192.168.137.16sp-3一、center主机的配置1.vim/etc/hosts127.0.0.1localhostlocalhost.localdomainlo
qq_42750608
·
2024-09-10 23:57
linux
ansible
ansible
Ansi
ble
Tower与AWX:构建可视化的运维自动化解决方案
Ansi
ble
Tower与AWX:构建可视化的运维自动化解决方案引言随着企业数字化转型的深入,运维自动化逐渐成为IT管理的重要组成部分。
勤劳兔码农
·
2024-09-10 23:22
运维
ansible
自动化
【MAC 上学习 C++】Day 37-3. 实验4-2-3 验证“哥德巴赫猜想” (20 分)
实验4-2-3验证“哥德巴赫猜想”(20分)1.题目摘自https://pintia.cn/pro
ble
m-sets/13/pro
ble
ms/4482.题目内容数学领域著名的“哥德巴赫猜想”的大致意思是
RaRasa
·
2024-09-10 22:33
R语言-非结构化数据-文本数据读入
假如数据包含大量经过结构化的文本数据#只需按照读入csv等标准式数据的方法读入#例:novel=read.csv("novel.csv",fileEncoding="UTF-8")head(novel)##2.用readta
ble
pdc31czy
·
2024-09-10 22:44
R
r语言
数据分析
修改Mysql默认字符集
使用SHOWVARIA
BLE
SLIKE'character%'查看当前字符集Snipaste_2018-10-09_14-21-34.jpg1.进入Mysql的目录下,将my-default.txt复制为
LeslieLiang
·
2024-09-10 21:09
【已解决】onnx无法找到CUDA的路径
onnxruntime_pybind_state.cc:857onnxruntime::python::CreateExecutionProviderInstanceCUDA_PATHissetbutCUDAwasnta
ble
tobeloaded.Pleaseinstallthecorrectvers
烟花节
·
2024-09-10 21:10
已解决
人工智能
深度学习
python
pip
从零开始学习Java的100个课程
Java的100个课程:一、Java基础语法Java开发环境搭建安装JDK配置环境变量编写并运行第一个Java程序基本数据类型整数类型(byte、short、int、long)浮点类型(float、dou
ble
陈在天box
·
2024-09-10 20:32
java
大数据
开发语言
SpringBoot自动装配中的Condition机制
这一机制在Spring
4.0
中引入,主要通过@Conditional注解及其一系列变体实现。本文将详细探讨Sprin
hai40587
·
2024-09-10 19:30
spring
boot
java
后端
【跟上黑马学sql】学习笔记-MySQL-DQL-排序查询
DQL排序查询实例#创建一个表createta
ble
emp4(idintcomment'编号',worknovarchar(10)comment'工号',namevarchar(5)comment'姓名
学扎娃的小白
·
2024-09-10 19:29
mysql
sql
学习
成为数据分析师的必要条件
开篇成为数据分析师的必要条件作为一名成熟的数据分析师,那必然是要头顶Python,脚踩SQL,左手一个Ta
ble
au,右手一个Excel。能取数,会报表,埋点AB两不误,分析落地显价值。
HsuHeinrich
·
2024-09-10 19:57
数据分析
数据分析
简单实现浮动按钮+上滑隐藏按钮+下滑显示按钮
interfaceSlideShowOrHideVC(){CGFloatlastContentOffset;BOOLhideBtn;BOOLisBottom;}@property(nonatomic,strong)UITa
ble
View
AlanGe
·
2024-09-10 19:20
mysql between and 遇到日期查询边界问题
最近实现一个按日期范围查询列表,例如输入的是日期2015-11-01到2015-11-03,想得到1号到3号的数据,执行select*fromta
ble
wherecreate_datebetween'2015
万事顺遂~
·
2024-09-10 19:56
sql
mysql
.NET/C#⾯试题汇总系列:集合、异常、泛型、LINQ、委托、EF!
它继承自ICollection和IEnumera
ble
,以及它们的非泛型版本。List是一个类,实现了IList接口。它提供了接口中定义的所有方法的具体实现,并添加了一些额外的功能,如排序、搜索等。
微微的猪食小窝
·
2024-09-10 18:22
c#
.net
linq
前端面试题(附答案)持续更新中……
块标签:div、h1~h6、ul、li、ta
ble
、p、br、form。
卖家导航
·
2024-09-10 18:45
程序员
前端
动态规划算法之背包问题详细解读(附带Java代码解读)
动态规划中的背包问题(KnapsackPro
ble
m)是经典问题之一,通常用来解决选择一组物品放入背包使得背包的价值最大化的问题。
南城花随雪。
·
2024-09-10 18:44
算法分析
算法
动态规划
开源IDC资产管理--rackta
ble
s(一、部署)
部署rackta
ble
s安装配置lamp环境yum-yinstallhttpdphpmysqlmysql-serverphp-mysql安装apache扩展和php扩展,使其更好支持其他的软件yuminstallhttpd-manualmod_sslmod_perlmod_auth_mysql-yyuminstallphp-gdphp-snmpphp-bcmath-y
Ping Me
·
2024-09-10 17:08
IDC
系统
racktables
IDC
系统
筱轩的ScalersTalk第四轮新概念朗读持续力训练Day28 2018-11-04
garage/stonehead/MedusatheGorgon/turnedtostone2.发音:Jasper/myths/garage/effect3.词组:believesin/hashadtrou
ble
withsthorsb
筱轩私塾
·
2024-09-10 17:21
2020-03-02 Allow Multiple Prospects with the same email address.
目前这种属性是默认ena
ble
的了,在AccountSetting里面你可以看到相应的设置。
古月的小七
·
2024-09-10 16:16
Ubuntu20.04使用systemd配置Gogs开机启动
raspberry-pi:~$sudosystemctlstatusgogs●gogs.service-GogsLoaded:loaded(/lib/systemd/system/gogs.service;ena
ble
d
海上微风
·
2024-09-10 15:56
Linux
Ubuntu20.04
Gogs
systemd
开机启动
Gogs启动失败
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