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ble
Linux系统如何关闭防火墙【linux系统防火墙】
一、centos7之前的版本可以通过ipta
ble
s相关命令实现防火墙的打开和关闭1.首先可以在打开的终端使用ipta
ble
s--help查看帮助使用命令;2.查看防火墙状态:serviceipta
ble
sstatus
istrangeboy
·
2024-02-24 11:00
投入
网络技术基础
网络基础
linux系统开启和关闭防火墙
linux系统防火墙
防火墙
linux技术
linux防火墙技术
JavaScript 设计模式之观察者模式
观察者模式观察者模式又被称为发布-订阅模式,使用一个对象来收集订阅者,在发布时遍历所有订阅者,然后将信息传递给订阅者,可以这样来实现一个简单的模式constObserva
ble
=(function(){
放逐的程序猿
·
2024-02-24 10:58
JavaScript设计模式
javascript
设计模式
开发语言
多模态相关论文笔记
(cilp)LearningTransfera
ble
VisualModelsFromNaturalLanguageSupervision从自然语言监督中学习可迁移的视觉模型openAI2021年2月48
靖待
·
2024-02-24 10:27
大模型
人工智能
论文阅读
SQLite Limit 子句
语法带有LIMIT子句的SELECT语句的基本语法如下:SELECTcolumn1,column2,columnNFROMta
ble
_nameLIMIT[noofrows]下面是LIMIT子句与OFFSET
木易林1
·
2024-02-24 10:37
uview组件封装form表单后有关弹框的组件安卓部分机型不显示
u-selectu-action-sheetu-picker等组件通过u-input@click事件唤起荣耀部分机型oppo部分机型和小米部分机型点击input没反应,调试了半天发现u-input内部设置disa
ble
d
阳光先做
·
2024-02-24 09:26
android
apache
华纳云:ubuntu如何用nginx绑定域名
在/etc/nginx/sites-availa
ble
/目录下创建一个新的配置文件,例如your_do
华纳云IDC服务商
·
2024-02-24 08:25
ubuntu
nginx
数据库
UE5 打包安卓报错LogPlayLevel: UAT: at org.codehaus.groovy.vmplugin.v7.Java7
ThreadPoolExecutor.java:635)LogPlayLevel:UAT:atorg.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunna
ble
.ru
htwzl
·
2024-02-24 05:21
ue5
安卓
android
设计模式概述
来源:上世纪90年代,ErichGamma、RichardHelm、RaplhJohnson和JonhnVlissides四位作者出版了《DesignPatterns:ElementsofReusa
ble
Object-Ori
话唠扇贝
·
2024-02-24 04:49
软件架构设计
设计模式
java
vue报错undefined is not itera
ble
(cannot read property Symbol(Symbol.iterator))
经过审查,发现是这段代码出了问题this.net1=this.chartData.net1;//net1,net2,net都是从接口离拿得数据this.net2=this.chartData.net2;this.net=this.chartData.net;constnetTotal=[...this.net1,...this.net2,...this.net];//数组合并letdataYTpl
小朱爱开发
·
2024-02-24 02:47
开发经验
vue.js
javascript
mybatis批量更新高效率xml写法
mysql更新语句很简单,更新一条数据的某个字段,一般这样写:1UPDATEmyta
ble
SETmyfield='value'WHEREother_field='other_value';如果更新同一字段为同一个值
阿里渣渣java研发组-群主
·
2024-02-24 01:16
mybatis
xml
mysql
数据库
sql
elementPlus ta
ble
s表格的二次封装
{{getProp(row,item)}}exportdefault{name:"Ta
ble
s",props:{ta
ble
Data:{type:Array,default:[],},columnData
小前端
·
2024-02-23 19:38
javascript
开发语言
ecmascript
P1601 A+B Pro
ble
m(高精)
P1601A+BPro
ble
m(高精)纯代码记录#includeusingnamespacestd;inta[505],b[505];intaD,bD;intres[505];///@brief结果会是反着的
方糖--C++菜鸟程序员
·
2024-02-23 17:06
刷题代码记录
c++
element-ui版本问题导致el-ta
ble
-column输入框无法输入
起因有次发版后,el-ta
ble
-column的input输入框无法输入了,select框却可以,本地项目测试OK,测试环境测试OK,就是生产发生了这个事情。
Enno.Z
·
2024-02-23 14:02
踩坑日常
elementui
input
el-table-column
输入框无法输入
Completa
ble
Future
文章目录Completa
ble
Future一、创建异步任务1、ExecutorService.submit2、supplyAsync/runAsync二、异步回调1、thenApply/thenApplyAsync1
scj1022
·
2024-02-23 10:28
并发与多线程
java
Swift Combine 使用 Observa
ble
Object 与 SwiftUI 模型作为发布源 从入门到精通二十
Combine系列SwiftCombine从入门到精通一SwiftCombine发布者订阅者操作者从入门到精通二SwiftCombine管道从入门到精通三SwiftCombine发布者publisher的生命周期从入门到精通四SwiftCombine操作符operations和Subjects发布者的生命周期从入门到精通五SwiftCombine订阅者Subscriber的生命周期从入门到精通六S
AI架构师易筋
·
2024-02-23 07:24
iOS
swift
swiftui
服务器
用Python实现批量创建Excel文件
小编简单写了一个批量创建Excel文件的实例实例代码:importxlwingsasxwapp=xw.App(visi
ble
=True,add_book=False)foriin["技术部","销售部"
程序员贵哥
·
2024-02-23 05:22
Python自动化办公
Python
Python编程教学
python
pycharm
青少年编程
后端
程序人生
经验分享
笔记
Cholesky法(汇总)
//封装函数一dou
ble
**two_array_malloc(intm,intn)//二维数组分配{dou
ble
**a;inti,j;a=(dou
ble
**)malloc(m*sizeof(dou
ble
【执珪】瑕瑜·夕环玦
·
2024-02-22 23:44
计算方法实验
c++
c语言
c#
每个孩子都好特别——致母亲节
对于terri
ble
2在家呆着还不如出去放电啊,绝望脸……所以每逢周末节假日带娃去哪儿玩实在想的脑壳疼,最早多多妈说你和土豆泥粑粑开个微信公众号写写遛娃吃喝玩乐吧,NoNoNo,力不从心,但是组个群随手分享一下好像还是可以的
徐竹君
·
2024-02-22 21:05
Linux 环境变量
环境变量定义:bashshell用一个叫作环境变量(environmentvaria
ble
)的特性来存储有关shell会话和工作环境的信息(这也是它们被称作环境变量的原因)。
张太行_
·
2024-02-22 21:11
linux
ubuntu
bash
程序人生
Java递归/遍历,实现遍历父子级菜单
目录准备工作迭代实现递归实现未带有显示顺序的递归遍历准备工作createta
ble
dormitory_management.fuzi(menu_idbigintauto_incrementcomment
春来我不先开口,哪个虫儿敢作声?
·
2024-02-22 20:10
有关Java项目的参考文章
前端
数据库
Java,SpringBoot中对Stream流的运用
详细参考:java1.8stream应用-22种案例_java1.8流案例-CSDN博客准备条件publicclassBooksimplementsSerializa
ble
{privatestaticfinallongserialVersionUID
春来我不先开口,哪个虫儿敢作声?
·
2024-02-22 19:09
有关Java项目的参考文章
java
spring
boot
开发语言
sta
ble
diffusion webui学习总结(3):参数设置
一、2.5D偏卡通风格参数设置:步骤1、文生图模型:darkSushiMixMixVAE:vae-ft-mse-840000-ema-pruned正面提示词:(masterpiece,highquality,highres,illustration),blurrybackground,[(whitebackground:1.2)::5],(see-through:0.85),shining,Mov
shanesu
·
2024-02-22 15:03
stable
diffusion
学习
leetcode--429--N叉树的层序遍历
链接:https://leetcode-cn.com/pro
ble
ms/n-ary-tree-level-order-traversal思路:1、采用BFS的思路,分层记录
minningl
·
2024-02-22 14:11
GPU独显下ubuntu屏幕亮度不能调节解决方法
修改和xorg.conf相关的文件,添加Ena
ble
BrightnessControl=1也没用。解决方法:方法一:装一个软件brightness-
集智飞行
·
2024-02-20 23:01
ubuntu
笔记
ubuntu
linux
ConcurrentHashMap多线程下比HashTa
ble
效率更高
HashTa
ble
使用一把锁处理并发问题,当有多个线程访问时,需要多个线程竞争一把锁,导致阻塞ConcurrentHashMap则使用分段,相当于把一个HashMap分成多个,然后每个部分分配一把锁,这样就可以支持多线程访问术语定义术语英文解释哈希算法
z.jiaminf
·
2024-02-20 23:25
java
开发语言
Kaggle Intermediate ML Part Two
CategoricalVaria
ble
sCategoricalvaria
ble
s,alsoknownasqualitativevaria
ble
s,areafundamentalconceptinstatisticsanddataanalysis.Here'sabreakdowntohelpyouunderstandthem
卢延吉
·
2024-02-20 23:53
New
Developer
数据
(Data)
ML
&
ME
&
GPT
Data
ML
what is web 2.0
WhatIsWeb2.0DesignPatternsandBusinessModelsfortheNextGenerationofSoftwarebyTimO'Reilly09/30/2005Theburstingofthedot-combub
ble
inthefallof2001markedaturningpointfortheweb.Manypeopleconcludedthatthewebwa
iteye_20954
·
2024-02-20 23:52
Web
Google
F#
Yahoo
Python
LeetCode 6. Z 字形变换
题目链接https://leetcode.cn/pro
ble
ms/zigzag-conversion/description/将一个给定字符串s根据给定的行数numRows,以从上往下、从左到右进行Z字形排列
一般路过糸.
·
2024-02-20 23:18
leetcode
算法
职场和发展
LeetCode LCR 085. 括号生成
题目链接https://leetcode.cn/pro
ble
ms/IDBivT/description/正整数n代表生成括号的对数,请设计一个函数,用于能够生成所有可能的并且有效的括号组合。
一般路过糸.
·
2024-02-20 23:46
leetcode
算法
职场和发展
麦田守望者
Rememberembered,andforgetuta
ble
./长大是人必经的溃烂。/我们确实活得艰难,一要承受种种外部的压力,更要面对自己内心的困惑。
jiang123wu
·
2024-02-20 22:49
Rust中的模块路径和pub关键字详解
模块结构首先,让我们看一下一个简单的Rust模块示例:modfront_of_house{pubmodhosting{pubfnadd_to_waitlist(){}fnseat_at_ta
ble
(){
好奇的菜鸟
·
2024-02-20 22:32
Rust
rust
开发语言
后端
MySql中几种批量更新/新增/删除的方法
通常情况下,我们会使用以下SQL语句来更新字段值:UPDATEmyta
ble
SETmyfield='value'WHEREother_field='other_value';这种方法并没有什么任何错误,
@航空母舰
·
2024-02-20 22:26
MYSQL
mysql
数据库
sql
查找、排序
查找查找的基本概念查找表(searchta
ble
):由同一类型的数据元素(或记录)构成的集合。由于“集合”中的数据元素之间存在着松散的关系,因此查找表是一种应用灵便的数据结构,可以是线性表、树、图。
但去莫复问,白云无尽时
·
2024-02-20 22:46
#数据结构
数据结构
c#
算法
c语言
排序算法
SpringBoot RabbitMQ收发消息、配置及原理
AMQP(AdvancedMessageQueuingProtocol)isamessagingprotocolthatena
ble
sconformingclientapplicationstocommun
weixin_44612246
·
2024-02-20 22:13
java-rabbitmq
spring
boot
rabbitmq
Una
ble
to make field private JavacProcessingEnvironment$DiscoveredPro报错解决办法
maven项目打包报错报错信息Una
ble
tomakefieldprivatecom.sun.tools.javac.processing.JavacProcessingEnvironment$DiscoveredProcessorscom.sun.tools.javac.processing.JavacProcessingEnvironment.discoveredProcsaccessi
ble
HumoChen99
·
2024-02-20 22:11
Java
java
开发语言
Leetcode刷题91-53. 最大子序和(C++详细解法!!!)
Comefrom:[https://leetcode-cn.com/pro
ble
ms/maximum-subarray/]53.MaximumSubarray1.Question2.Answer3.我的收获
huyunceng_cloud
·
2024-02-20 22:37
LeetCode从零开始
LeetCode
C++
OpenRaft 在交易撮合引擎中的应用
Openraft是一个Raft的改进版(包括优化选举冲突,解决网络抖动对leadership的影响),它在Databend中为db,ta
ble
等元数据提供分
Databend
·
2024-02-20 22:57
达梦数据库查询索引和各种约束
查询DM数据库所有表的各种约束和索引--查询主键SELECTa.OWNERas"模式名",a.TA
BLE
_NAMEas"表名",b.COLUMN_NAMEas"列名",a.CONSTRAINT_NAMEas
job_csdn
·
2024-02-20 22:36
达梦数据库
数据库
sql
oracle
sql 添加注释的方法
mysql:1.创建字段时添加:createta
ble
test(idintnotnulldefault0comment'用户id');//修改字段的命令,可以加注释alterta
ble
testchangecolumnididintnotnulldefault0comment
job_csdn
·
2024-02-20 22:05
mybatis
mysql
数据库开发
Day 9. 42. 连续子数组的最大和
Day9.42.连续子数组的最大和文章目录Day9.[42.连续子数组的最大和](https://leetcode-cn.com/pro
ble
ms/lian-xu-zi-shu-zu-de-zui-da-he-lcof
Tracker123
·
2024-02-20 22:35
剑指offer
c++
2021年秋招算法岗面经-字节跳动
而不是基于司机划分最大池化的反向传播求导公式LSTM解决了什么问题通用的提高模型泛化能力的方法(解决过拟合的方法)二面20210922(一个小时)自我介绍先做道题吧:矩阵中的路径https://leetcode-cn.com/pro
ble
机器学习面试基地
·
2024-02-20 22:13
get、put、delete、post几种请求在java springboot的使用方式
get@GetMapping("/apple/{account}")publicResponseVOqueryByAccount(@PathVaria
ble
("account")Stringaccount
yyyyyuanxian
·
2024-02-20 22:01
restful
开发语言
后端
restful
‘@Override‘ not applica
ble
to field idea报错原因
@OverrideTpmtModelDAOtpmtModelDAO;报错:'@Override'notapplica
ble
tofield其他impl的代码复制过来是正常的,没有报错@AutowiredAccountDAOaccountDAO
yyyyyuanxian
·
2024-02-20 22:01
那些年在IDEA遇到的报错
Java
intellij-idea
java
splash使用教程
官方文档:https://splash.readthedocs.io/en/sta
ble
/install.htmllinux安装教程:https://www.cnblogs.com/yunlongaimeng
鲸随浪起
·
2024-02-20 22:29
sql报错注入 之 floor 函数报错:主键重复
updatexmlextractvaluefloor是mysql的函数groupby+rand+floor+count一、简述利用selectcount(*),(floor(rand(0)*2))xfromta
ble
groupbyx
etc _ life
·
2024-02-20 22:42
sql
数据库
开源帮运工---加载动画
1、AVLoadingIndicatorViewavi.gif2、SpinKitViewscreen.gif3、LoadingDrawa
ble
图图图图图图
yyg
·
2024-02-20 21:48
Java关键字大全
下面整理一些我们刚开始学习Java会经常用到的关键字的用法概述:一、本数据类型(4类8种)类型种类:四类八种整型byte,short,int,long浮点型float,dou
ble
字符型char布尔型boolean
Yaml墨韵
·
2024-02-20 21:10
java基础
java
jdk
@Async异步注解
要使用@Async注解,需要满足以下条件:在SpringBoot应用中,需要在启动类或配置类上添加@Ena
ble
Async注解来启用异步方法的支持。在需要异步执行的方法上添加@As
TM_enn
·
2024-02-20 21:40
java
spring
boot
异步
为什么ViewStub是默认不显示的?是懒加载?
intdefStyleAttr,intdefStyleRes){super(context);finalTypedArraya=context.obtainStyledAttributes(attrs,R.stylea
ble
.ViewStub
呆咖啡
·
2024-02-20 21:37
android
viewstub
ThinkPHP5 将session保存到 mysql
鬼知道为什么不存memcache或者redis,鬼知道你会遇到什么样的需求,那还能怎么办,自己解决呗,为了避免下次再一顿百度..一顿谷歌...我就记录一下建立对应的数据表CREATETA
BLE
think_session
_不能说的秘密i
·
2024-02-20 21:02
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