E-COM-NET
首页
在线工具
Layui镜像站
SUI文档
联系我们
推荐频道
Java
PHP
C++
C
C#
Python
Ruby
go语言
Scala
Servlet
Vue
MySQL
NoSQL
Redis
CSS
Oracle
SQL Server
DB2
HBase
Http
HTML5
Spring
Ajax
Jquery
JavaScript
Json
XML
NodeJs
mybatis
Hibernate
算法
设计模式
shell
数据结构
大数据
JS
消息中间件
正则表达式
Tomcat
SQL
Nginx
Shiro
Maven
Linux
BLE(低功耗)蓝牙开发
powerdns配置
epel-release.noarch2:安装mariaDByum -y install mariadb-server mariadb3.设置服务开机启动和启动Mariadbsystemctl ena
ble
weixin_33701251
·
2024-09-07 01:03
php
数据库
运维
12c RAC扩容undo表空间
Oracle12cR1RACcolsidfora10colnamefora20colvaluefora20selectsid,name,valuefromv$spparameterwherename='undo_ta
ble
space
weixin_33721427
·
2024-09-07 01:33
数据库
oracle 扩容undo,【案例】Oracle RAC数据库undo使用率较高的解决思路办法
本站文章除注明转载外,均为本站原创:转载自lovewife&lovelife—Roger的Oracle技术博客本文链接地址:aboutUndoTa
ble
spaceusedHigh今天有朋友在问关于undo
南门居士-杜锦刚
·
2024-09-07 01:33
oracle
扩容undo
Statement violates GTID consistency: Updates to non-transactional ta
ble
s
StatementviolatesGTIDconsistency:Updatestonon-transactionalta
ble
s,canonlybedoneineitherautocommittedstatementsorsingle-statementtransactions
罗罗的1024
·
2024-09-07 01:32
Linux
问题集
mysql
linux
java
Oracle undo表空间爆满的解决
1.查找数据库的UNDO表空间名,确定当前例程正在使用的UNDO表空间:Showparameterundo_ta
ble
space。
小学生汤米
·
2024-09-07 01:29
ORACLE
ORACLE
undo
空间满
undo 表空间满了的处理方法
方法一:添加undo表空间的数据文件alterta
ble
spaceundoadddatafile'/u01/oracle/backup/undo02.dbf'size100Mreuse;方法二:切换undo
cm_0205
·
2024-09-07 01:58
数据库
Mysql:create ta
ble
... select ...报错
客户做mysql迁移,从本地mysql迁移到云mysql,结果系统报错,日志里显示StatementviolatesGTIDconsistency:CREATETA
BLE
...SELECT.就是类似的语句违反了
大道不孤,众行致远
·
2024-09-07 00:25
技术杂谈
mysql
数据库
设置contentedita
ble
的非表单元素限制字数时设置光标位置
html:请输入选项内容js:$("#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
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
上一页
9
10
11
12
13
14
15
16
下一页
按字母分类:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
其他