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BLE蓝牙小DEMO
oracle 扩容undo,【案例】Oracle RAC数据库undo使用率较高的解决思路办法
本站文章除注明转载外,均为本站原创:转载自lovewife&lovelife—Roger的Oracle技术博客本文链接地址:aboutUndoTa
ble
spaceusedHigh今天有朋友在问关于undo
南门居士-杜锦刚
·
2024-09-07 01:33
oracle
扩容undo
Statement violates GTID consistency: Updates to non-transactional ta
ble
s
StatementviolatesGTIDconsistency:Updatestonon-transactionalta
ble
s,canonlybedoneineitherautocommittedstatementsorsingle-statementtransactions
罗罗的1024
·
2024-09-07 01:32
Linux
问题集
mysql
linux
java
Oracle undo表空间爆满的解决
1.查找数据库的UNDO表空间名,确定当前例程正在使用的UNDO表空间:Showparameterundo_ta
ble
space。
小学生汤米
·
2024-09-07 01:29
ORACLE
ORACLE
undo
空间满
undo 表空间满了的处理方法
方法一:添加undo表空间的数据文件alterta
ble
spaceundoadddatafile'/u01/oracle/backup/undo02.dbf'size100Mreuse;方法二:切换undo
cm_0205
·
2024-09-07 01:58
数据库
Mysql:create ta
ble
... select ...报错
客户做mysql迁移,从本地mysql迁移到云mysql,结果系统报错,日志里显示StatementviolatesGTIDconsistency:CREATETA
BLE
...SELECT.就是类似的语句违反了
大道不孤,众行致远
·
2024-09-07 00:25
技术杂谈
mysql
数据库
设置contentedita
ble
的非表单元素限制字数时设置光标位置
html:请输入选项内容js:$("#optionA").on({input:function(e){limited(e.target.id,30);},click:function(e){write($("#"+e.target.id));}});//字符串截取functionlimited(obj,num){varcommentLength=$('#'+obj).text().length;i
Jerry379
·
2024-09-07 00:01
使用vue3+ts封装一个自动补全输入框Autocomplete组件
组件接收placeholder、debounce和cleara
ble
作为props,并根据这些props来渲染输入框和下拉菜单{{item}}import{defineComponent,ref,watch
温暖前端
·
2024-09-07 00:22
javascript
前端
vue.js
LeetCode-055-跳跃游戏
来源:力扣(LeetCode)链接:https://leetcode-cn.com/pro
ble
ms/jump-game/著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。
醉舞经阁半卷书
·
2024-09-06 23:36
@RequestBody部分值传入,部分值为null的问题
一开始觉得是Dou
ble
类型的缘故,在这里改来改去,然后最后由聪明的张经理发现,是因为postman传的json名称那里多了空格,导致与后端属性映射不上,特此记录,搞开发一定要多多考虑,否则就会死在很小的点上
seasugar
·
2024-09-06 22:16
Java
spring
FFmpeg源码:compute_frame_duration函数分析
本文演示用的FFmpeg源码版本为7.0.1)的源文件libavformat/demux.c中:/***Returntheframedurationinseconds.Return0ifnotavaila
ble
cuijiecheng2018
·
2024-09-06 22:44
FFmpeg源码分析
ffmpeg
用合适的索引避免不必要的全表扫描
创建一张测试表及创建一个普通的单键值B树索引:复制代码复制代码SQL>createta
ble
t1a
数字天下
·
2024-09-06 22:13
oracle
索引
全表扫描
Keras-OCR:高效且易用的深度学习 OCR 库
Keras-OCR:高效且易用的深度学习OCR库keras-ocrApackagedandflexi
ble
versionoftheCRAFTtextdetectorandKerasCRNNrecognitionmodel
吕真想Harland
·
2024-09-06 21:10
ThreadLocal 实战用法
ThreadLocal实战用法ThreadLocal是什么首先来看一下官方解释:Createsathreadlocalvaria
ble
.Theinitialvalueofthevaria
ble
isdeterminedbyinvokingthegetmethodontheSupplier
crxk
·
2024-09-06 21:10
Java
java
多线程
微信小程序 手写签名_小程序手写签名(wepy)
解决这个问题的方法是给canvas给disa
ble
-scroll属性绑定一个变量disa
ble
-scroll="true"当进行滑动的时
weixin_39906245
·
2024-09-06 20:33
微信小程序
手写签名
Bub
ble
Utils贝塞尔曲线常用工具类
publicclassBub
ble
Utils{/***dip转换成px**@paramdip*@paramcontext*@return*/publicstaticintdip2px(floatdip,
Peakmain
·
2024-09-06 20:07
大数据系列之:OutOfMemoryError: una
ble
to create new native thread
大数据系列之:OutOfMemoryError:una
ble
tocreatenewnativethread问题:环境:原因:解决问题:有时候当Java尝试创建一个新的线程时,操作系统会阻止它。
快乐骑行^_^
·
2024-09-06 19:55
大数据
大数据
OutOfMemory
Error
unable
native
thread
python a星算法_A星算法_A*算法_python实现
classNode:def__int__(self):self.una
ble
=Falseself.distanceFromDes=-1#距离终点的距离self.distanceFromOri=-1#距离起点的距离
weixin_39983223
·
2024-09-06 19:52
python
a星算法
【Spring】深入解析 Ena
ble
AutoConfiguration 注解:Spring Boot 自动配置的核心
前言在SpringBoot中,@Ena
ble
AutoConfiguration注解扮演着重要的角色,它是实现自动配置功能的关键。
知行小栈
·
2024-09-06 18:13
Spring
spring
boot
spring
java
c++ 指针的用法详解
类型:指针的类型决定了它所指向的变量类型,例如int*、char*、dou
ble
*等。2.指针的声明和初始化intmain(){intvar=10;//定义一个整数变量
黄卷青灯77
·
2024-09-06 18:42
c++
开发语言
指针
ansi
ble
实战自动化运维项目
Ansi
ble
是一个强大的自动化工具,广泛应用于配置管理、应用部署、任务自动化和IT环境编排。在实际生产环境中,Ansi
ble
可以帮助运维团队高效地管理服务器、应用和服务。
清风 001
·
2024-09-06 18:11
Linux系统
运维
C#利用反射将实体类List
转化为Datata
ble
背景介绍C#中实体类的操作十分简便,一般情况下不需要涉及ADO.NET,如果需要将实体类转化为Datata
ble
,这个时候就需要手动写一个方法了,代码如下图所示:publicstaticclassIEnumera
ble
Extention
机械键盘侠
·
2024-09-06 17:10
C#学习
c#中将datata
ble
转成实体
@[TOC](c#中datata
ble
转实体)什么是databta
ble
DataTa
ble
表示内存中数据的一个表,是一个后台数据源和前台显示之间的适配器。
沧.海
·
2024-09-06 17:38
c#
开发
c#
PyQt5——QLineEdit(单行文本框控件)
、常用方法方法描述text()返回文本框的内容setText()设置文本框的内容setReadOnly()设置文本为只读setMaxLength()设置文本框所允许输入的最大字符数setDragEna
ble
weixin_41881387
·
2024-09-06 17:37
qt
开发语言
【Unity开发】
Ble
nder导入VRM格式注意事项
【背景】
Ble
nder顺利导入了VRMFormat插件后,发现有的电脑导入后Mesh,Armature和Texture都一切正常,有的电脑只能导入一个框架。
每日出拳老爷子
·
2024-09-06 17:07
VR和Unity游戏开发
blender
商务英语level3 unit2 part4 Non speaking.
Whichdepartmenthandlesemployeeissuesandpro
ble
ms?
Alexandear
·
2024-09-06 17:12
P1024 [NOIP2001 提高组] 一元三次方程求解
题目描述:AC代码:#includeusingnamespacestd;dou
ble
a,b,c,d;intans=0;dou
ble
f(dou
ble
x){returna*x*x*x+b*x*x+c*x+d
喝可乐的布偶猫
·
2024-09-06 17:05
c++
泛型+自定义属性 实现 DataTa
ble
转换成实体类
c#+泛型+自定义属性实现DataTa
ble
转换成实体类usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingSystem.Text
是刘彦宏吖
·
2024-09-06 17:04
C#
中级知识汇总
c#
鹏的ScalersTalk第四轮朗读持续力训练Day28、2018.11.4
JasperWhiteisoneofthoserarepeoplewhobelievesinancientmyths.Hehasjustboughtanewhouseinthecity,buteversincehemovedin,hehashadtrou
ble
withcarsandtheirowners.Whenhereturnshomeatnight
Yi条成熟_2ee1
·
2024-09-06 16:18
【笔记】Explain执行计划怎么看
Explain执行计划包含字段信息如下:分别是id、select_type、ta
ble
、partitions、type、possi
ble
_keys、key、key_len、ref、rows、filtered
寻梦的小柳
·
2024-09-06 15:05
YOLOv10改进 | Conv篇 | YOLOv10引入24年最新卷积模块LDConv
尽管可变形卷积(Deforma
ble
Conv)解决了标准卷积的固定采样问题,但是参数的数
小李学AI
·
2024-09-06 15:56
YOLOv10有效涨点专栏
YOLO
人工智能
深度学习
计算机视觉
目标检测
【python报错】TypeError:__init__() got an unexpected keyword argunent ‘executa
ble
_path‘解决方案
【Python报错】TypeError:init()gotanunexpectedkeywordargument'executa
ble
_path’解决方案在使用Python的Selenium库进行自动化测试或爬虫开发时
云天徽上
·
2024-09-06 15:54
python运行报错解决记录
python
开发语言
numpy
pandas
云苍穹单据修改字段后保存时报错alter Ta
ble
xx add xx navrchar(50)default() not null如何解决?
正文如下图所示,我在修改单据的某几个字段保存时,则报如下错误alterta
ble
t_kdgz_ysdoo1_entryaddfauxpropid.fbdzggnavarchar(50)default('
涎涎
·
2024-09-06 15:26
数据库性能大揭秘:玩转MySQL监控指标状态变量
这些指标,通常以状态变量(statusvaria
ble
s)的形式呈现,是洞察数据库性能的关键。接下来,我们将逐一解析与连接相关的监控变量,包括当前连接数、活跃连接数、缓存线程数以及已创建的线程数。
云掣YUNCHE
·
2024-09-06 14:17
数据库
mysql
python自动化运维项目实战_全网稀缺的Python/Django/Ansi
ble
Playbook自动化运维项目实战视频课程...
配置文件properties比yml优先级高SpringBoot使用一个全句的配置文件,配置文件名是固定的;application.propertiesapplication.yml配置文件的作用:修改SpringBoot自动配置的默认值,SpringBoot在底层都给我们自动配置好了。YAML,是/不是一个标记语言标记语言:以前的配置文件:xxx.xmlyaml:以数据为中心,比json、xml
weixin_39977642
·
2024-09-06 14:16
python自动化运维项目实战
IOS 21 发现界面(UITa
ble
View)单曲列表(UITa
ble
View)实现
发现界面完整效果本文实现歌单列表效果文章基于IOS20发现界面(UITa
ble
View)歌单列表(UICollectionView)实现继续实现发现界面单曲列表效果单曲列表Cell实现实现流程:1.创建
sziitjin
·
2024-09-06 14:14
IOS
ios
UITableView
ansi
ble
自动化运维
1、ans
ble
介绍ans
ble
为一款批量化处理系统配置的服务,对批量化系统部署、批量程序部署、批量运行命令、批量修改服务、批量安装软件包、批量修改配置等诸多功能。
芷阳99
·
2024-09-06 13:11
自动化运维
运维
ansible
自动化
ansi
ble
自动化运维项目
Ansi
ble
是一个基于Python开发的开源自动化运维工具,它通过其模块化的架构和强大的功能,实现了配置管理、批量系统配置、程序部署和运行命令等任务,旨在帮助运维工程师提高工作效能并减少重复性劳动。
不会代码的小林
·
2024-09-06 13:36
运维
ansi
ble
自动化运维项目
在MySQL中创建数据库和表是数据库管理的基础步骤,它们构成了数据存储和操作的基础结构。下面,我将详细介绍如何在MySQL中创建数据库和表,包括创建数据库的基本语法、设计表的考虑因素、表的创建过程、数据类型和约束的使用等,力求内容详尽且不少于2000字。一、创建数据库在MySQL中,数据库是一个创建简单的操作,使用CREATEDATABASE语句即可完成。这个语句允许你指定数据库的名称,并可选地指
shiming8879
·
2024-09-06 13:35
运维
ansible
自动化
【数据存储】——JSON与XML的对比
1.定义介绍(1).XML定义扩展标记语言(Extensi
ble
MarkupLanguage,XML),用于标记电子文件使其具有结构性的标记语言,可以用来标记数据、定义数据类型,是一种允许用户对自己的标记语言进行定义的源语言
星星学园
·
2024-09-06 12:04
学习笔记
使用Ansi
ble
进行自动化运维
本篇文章将深入介绍如何使用Ansi
ble
这款强大的工具来实现自动化运维,帮助你简化服务器管理和配置任务。什么是Ansi
ble
?
weixin_58606202
·
2024-09-06 12:02
运维
ansible
自动化
Swift Cell重用池机制以及UINib
functa
ble
View(_ta
ble
View:UITa
ble
View,cellForRowAtindexPath:IndexPath)->UITa
ble
ViewCell{letreuseID="taskCell5555555
司南_01b7
·
2024-09-06 12:14
json修改健值c语言,postgresql 实现修改jsonb字段中的某一个值
我就废话不多说了,大家还是直接看代码吧~UPDATEta
ble
nameSETtags=jsonb_set(tags-'landuse_area','{landuse_area}',('"'||round
张志城
·
2024-09-06 12:01
json修改健值c语言
极速写作——文案写手必备能力~
极速写作①工具篇软件001讯飞输入法语音输入,让写作更快捷002搜狗听写可以把文字转化成语音,写完之后可以看看自己的文章节奏感如何,哪里可以修改~003为知笔记可以保存云盘,随时修改,支持语音输入键盘
蓝牙
键盘静电容键盘红外线远轴键盘
章鱼小洋子
·
2024-09-06 12:42
动态显示和隐藏列的 Vue 组件 — 让你的表格“变身”!
动态显示和隐藏列的el-ta
ble
-column组件!在这个数字化的时代,大家都在追求个性化和灵活性。尤其是在表格中,列的显示和隐藏就是一种精髓。那么,如何做到这一点呢?
精神阿祝
·
2024-09-06 10:49
前端
vue.js
javascript
前端
oracle数据库防火墙配置,Linux防火墙配置 – 提供7*24专业数据库(Oracle,SQL Server,MySQL等)恢复和Oracle技术服务@Tel:+86 13429648788 -...
一、Linux防火墙基础知识1、常用命令查看配置ipta
ble
s-L-n修改配置ipta
ble
s-AINPUT-ptcp-s192.168.1.12–dport22-jACCEPT保存修改/etc/init.d
你这人真狗
·
2024-09-06 10:18
oracle数据库防火墙配置
205.同构字符串
题目来源:力扣https://leetcode.cn/pro
ble
ms/isomorphic-strings/题目简介:给定一个特定的同构关系,判断两个字符串s和t是不是同构关系,比较关键的就是一个字母只能映射一种字母
stay_awake__
·
2024-09-06 10:15
leetcode专栏
leetcode
算法
职场和发展
山东科技大学OJ题库 1020- A+B Pro
ble
m
1020-A+BPro
ble
mDescription计算a+b,0intmain(){inta,b
星空天涯
·
2024-09-06 09:11
OJ题库
请详细解释Java中的线程状态及其转换过程。请解释Java中的策略模式,并举例说明其应用场景和实现方式。
就绪状态(Runna
ble
)当线程对象调用了start()方法后,线程进入就绪状态。这个状态意
计算机学长阿伟
·
2024-09-06 08:35
java
java
开发语言
探究 Eureka 在 Spring Boot 中的配置注入与统一管理机制(下)——第三节
LoadBalancerEurekaAutoConfiguration@Configuration(proxyBeanMethods=false)@Ena
ble
ConfigurationProperties
coding侠客
·
2024-09-06 08:34
eureka
spring
boot
云原生
springcloud
后端
Ansi
ble
基础安装与配置
==========================================================================================二、Ansi
ble
基础安装与配置
powerx_yc
·
2024-09-06 08:33
python
shell
开发工具
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