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
低功耗蓝牙(BLE)
Python 开发环境的搭建
安装过程双击安装包,出现如下的开始安装界面,选择自定义安装选项,别点立即安装选项设置,默认全部勾选即配置选项,如图,注意安装路径不要使用中文、不要使用特殊字符5.安装完成,最后的结束界面中,一定点击disa
ble
pathlengthlimit
Andrewav
·
2024-02-20 11:35
笔记
python
数据库作业三
作业3:一、单表查询素材:表名:worker--表中字段均为中文,比如部门号工资职工号参加工作等CREATETA
BLE
`worker`(`部门号`int(11)NOTNULL,`职工号`int(11)NOTNULL
Andrewav
·
2024-02-20 11:35
数据库
mysql
数据库作业四
学生表Studentcreateta
ble
Student(SIdvarchar(10),Snamevarchar(10),Sagedatetime,Ssexvarchar(10));insertintoStudentvalues
Andrewav
·
2024-02-20 11:35
1024程序员节
jest+puppeteer
dockerfile使用dockerignore过滤掉node_modulespuppeteer需要添加sadbox的参数{args:['--no-sandbox','--disa
ble
-setuid-sandbox
heliping_peter
·
2024-02-20 11:14
YOLOV8改进系列指南
yolov5-PAGCP通道剪枝算法.具体使用教程专栏改进汇总二次创新系列ultralytics/cfg/models/v8/yolov8-RevCol.yaml使用(ICLR2023)Reversi
ble
ColumnNetworks
魔鬼面具
·
2024-02-20 11:59
YOLO
【AIGC】2023年生成式AI发展综述
期间Midjourney和Sta
ble
DiffusionAI绘画技术持续火热,基于AIGC类的应用也如雨后春笋般遍地开花。 人工智能生成
杀生丸学AI
·
2024-02-20 11:53
chatgpt
AIGC
深度学习
机器学习
人工智能
日积月累2023-06-19
Hewasa
ble
toredeemhiswatchfromthepawnshop.redemptionredemptionredemption救赎一些专业证券具有强制赎回的特征。
抽刀断水2
·
2024-02-20 11:59
Ansi
ble
(剧本,角色编写)
的playbook4.定义,应用变量5.指定远程主机sudo切换用户6.when条件判断7.迭代8.Templates模块一、剧本(playbook)1.playbook介绍playbook是ansi
ble
疯狂的斯图卡
·
2024-02-20 10:58
playbook
Ansi
ble
的脚本 --- playbook 剧本
Ansi
ble
的脚本---playbook剧本playbooks本身由以下各部分组成编写yaml文件示例运行playbook定义、引用变量指定远程主机sudo切换用户when条件判断迭代Templates
Jahony
·
2024-02-20 10:26
linux
运维
自动化
ansi
ble
中的角色使用
ansi
ble
roles1、ansi
ble
中的角色简介角色(roles)是ansi
ble
自1.2版本开始引入的新特性,用于层次性、结构化的组织playbook;roles能够根据层次型结构自动装载变量文件
李牛克斯小学生
·
2024-02-20 10:26
linux
ansi
ble
的剧本
1playbook剧本1.1playbooks的组成Tasks任务,即通过task调用ansi
ble
的模板将多个操作组织在一个playbook中运行Varia
ble
s变量Templates模板Handlers
王德发666
·
2024-02-20 10:54
apache
网络
服务器
ansi
ble
剧本中的角色
1roles角色1.1roles角色的作用?可以把playbook剧本里的各个play看作为一个角色,将各个角色打的tasks任务、vars变量、template模版和copy、script模块使用的相关文件等内容放置在指定角色的目录里统一管理,在需要的时候可在playbook中使用roles角色直接调用即可。1.2roles的目录格式roles/ #角色总目录,其每个子目录
王德发666
·
2024-02-20 10:52
ansible
graphql开发示例
https://github.com/chentsulin/awesome-graphql/blob/master/README.md里面有各种语言对graphql的开发框架和示例比如java:Ta
ble
ofContentsSpecificationsFoundationsCommunitiesMeetupsImplementationsJavaScript
whatzhang007
·
2024-02-20 10:52
#
GraphQL
graphql
css pointer-events 多层鼠标点击事件
pointer-events/*Keywordvalues*/pointer-events:auto;pointer-events:none;pointer-events:visi
ble
Painted;
小和尚敲木头
·
2024-02-20 10:21
前端
css
前端
21java-多线程-高级
中的线程状态被定义在了java.lang.Thread.State枚举类中,State枚举类的源码如下:publicclassThread{publicenumState{/*新建*/NEW,/*可运行状态*/RUNNA
BLE
猪崽早点睡
·
2024-02-20 10:49
java
开发语言
graphql_GraphQL简介
graphqlGraphQLisaquerylanguageforAPIsandaruntimeforfulfillingthosequerieswithyourexistingdata.GraphQLprovidesacompleteandunderstanda
ble
descriptionofthedatainyourAPIaswellasgivesclientsthepowertoaskfor
cukw6666
·
2024-02-20 10:17
数据库
python
java
大数据
mysql
macad3d解析macad—application,commands,utils
usingSystem.Runtime.CompilerServices;usingSystem.Runtime.InteropServices;usingSystem.Windows;//SettingComVisi
ble
tofalsemakesth
table study
·
2024-02-20 10:47
学习
防火墙 ipta
ble
s(二)-------------SNAT与DNAT
一、SNAT①SNAT应用环境:局域网主机共享单个公网IP地址接入Internet(私有IP不能在Internet中正常路由)②SNAT原理:源地址转换,根据指定条件修改数据包的源IP地址,通常被叫做源映射数据包从内网发送到公网时,SNAT会把数据包的源IP由私网IP转换成公网IP当响应的数据包从公网发送到内网时,会把数据包的目的IP由公网IP转换为私网IP③SNAT转换前提条件局域网各主机已正确
白开水~不加糖
·
2024-02-20 10:13
服务器
网络
linux
防火墙(三) -----------------关于ipta
ble
s规则的保存
一、关于ipta
ble
s规则的保存之前写的ipta
ble
s的设置,但是都是临时生效的,一旦电脑重启,那么就会失效,如何永久保存,需要借助ipta
ble
s-save命令,开机生效需要借助ipta
ble
s-restore
白开水~不加糖
·
2024-02-20 10:13
服务器
linux
网络
JavaEE____多线程1
VS单线程性能2.1单线程执行时间2.2多线程执行时间3.线程3种创建方式3.1创建方式1:继承Threada)使用jconsole观察线程b)启动线程——start方法3.2创建方式2:实现Runna
ble
漫天 星辰
·
2024-02-20 10:39
JavaEE
java-ee
ipta
ble
s防火墙
ipta
ble
s[-t表名]管理选项[链名][匹配条件][-j控制类型]1.表:filter:过滤规则表,根据预定义的规则过滤符合条件的数据包,默认表nat:networkaddresstranslation
Mr_Black0_0
·
2024-02-20 10:09
网络
服务器
运维
通过Jmeter压测存储过程
一、存储过程准备:1、建立一个空表:CREATETA
BLE
test_data(idNUMBER,nameVARCHAR2(50),ageNUMBER);2、建立一个存储过程:CREATEORREPLACEPROCEDUREinsert_test_data
.咖啡加剁椒.
·
2024-02-20 10:09
软件测试
jmeter
软件测试
自动化测试
功能测试
程序人生
职场和发展
LRU实现
·importjava.util.HashMap;importjava.util.Map;/**@author@date2020/3/1117:46@desc*/publicclassDou
ble
Link
Braint_java
·
2024-02-20 10:32
【JavaEE】_线程与多线程的创建
目录1.线程的概念2.创建与使用多线程2.1方式1:继承Thread类2.2方式2:实现Runna
ble
接口2.3以上两种创建线程方式的对比3.多线程的优势-增加运行速度1.线程的概念进程的存在是由于系统的多任务执行需求
_周游
·
2024-02-20 10:05
JavaEE
java-ee
java
jvm
vs code 使用scss/sass
sass的编译依赖Ruby环境1、安装Ruby官网下载传送门注意:安装Ruby时一定要勾选AddRubyexecuta
ble
stoyourPATH,用来将Ruby添加到系统变量,后续可以省却很多不必要的麻烦
zyy_0725
·
2024-02-20 10:34
vs
code
解析Scala中HashMap插入数据的常见错误及修正方法
错误代码:importscala.collection.muta
ble
valrdd1=users.map(e=>{valarr1=e.split(",")valmap=muta
ble
.HashMap//
王哪跑nn
·
2024-02-20 10:32
Bug
scala
开发语言
scala
Hive使用双重GroupBy解决数据倾斜问题
文章目录1.数据准备2.双重groupby实现解决数据倾斜2.1第一层加盐groupby2.2第二层去盐groupby1.数据准备createta
ble
wordcount(astring)rowformatdelimitedfieldsterminatedby
黄土高坡上的独孤前辈
·
2024-02-20 10:29
Hive/Kylin数据仓库
hive
hadoop
数据仓库
Scala基础教程--18--集合(二)
Scala基础教程–18–集合(二)章节目标掌握Itera
ble
集合相关内容.掌握Seq集合相关内容.掌握Set集合相关内容.掌握Map集合相关内容.掌握统计字符个数案例.1.Itera
ble
1.1概述
落空空。
·
2024-02-20 10:28
spark
java
scala
开发语言
后端
透彻理解实时数仓的支撑技术:Upsert Kafka 和 Flink 动态表(Dynamic Ta
ble
)
博主历时三年精心创作的《大数据平台架构与原型实现:数据中台建设实战》一书现已由知名IT图书品牌电子工业出版社博文视点出版发行,点击《重磅推荐:建大数据平台太难了!给我发个工程原型吧!》了解图书详情,京东购书链接:https://item.jd.com/12677623.html,扫描左侧二维码进入京东手机购书页面。动态表本质上是一条流(stream),upsert-kafka映射的数据表底层存储的
Laurence
·
2024-02-20 10:23
大数据专题
upsert-kafka
flink
动态表
原理
解释
更新
【LUA】时间面板显示
定义方式--定义一个对象localmyObject={isVisi
ble
=false,}--定义对象的方法functionmyObject:toggleShow()self.isVisi
ble
=notself.isVisi
ble
ifself.isVisi
ble
thenprint
LAM LAB
·
2024-02-20 10:21
lua
junit
开发语言
Linux中无法忘记mysql密码处理办法
找到/etc/my.cnf或者/etc/mysql/my.cnf文件添加下面两行代码,取消密码验证[mysqld]skip-grant-ta
ble
使用命令登录:mysql-uroot-p,回车,回车使用
ljf8838
·
2024-02-20 10:18
linux
mysql
运维
基于Python的paddleocr推理环境列表
python-mpipinstallpaddlepaddle-gpu==2.6.0.post120-fhttps://www.paddlepaddle.org.cn/whl/windows/mkl/avx/sta
ble
.htmlopencv-pythonlmdbimgaugscikit-i
博观而约取,厚积而薄发
·
2024-02-20 10:18
PaddlePaddle
python
开发语言
Lua总结
refhttp://book.luaer.cn/基础弱类型,没有类型定义解释型语言,但是会通过编译器先编译成中间码然后再执行字符串的处理:用ta
ble
保存,最后ta
ble
.concat(t,"\n").
圆形毕露
·
2024-02-20 09:15
其他语言
lua
南瓜汤
PumpkinSoupServes2–42-4人份材料:•2ta
ble
spoonsoliveoilorbutter2汤匙橄榄油或者黄油•½cupredonion,chopped半杯红洋葱,切碎•2garliccloves
阿咪少女
·
2024-02-20 09:24
Spring任务调度@Scheduled的使用以及原理、源码分析
请直接看原文:【小家Spring】Spring任务调度@Scheduled的使用以及原理、源码分析(@Ena
ble
Scheduling)-腾讯云开发者社区-腾讯云(tencent.com)-------
奋豆来袭
·
2024-02-20 09:11
springboot
java
html ta
ble
表格动态显示
html问题名称涉及用户(局)js动态渲染数据方法一:data=[{name:'世界你好1',relateCustomer:'111'},{name:'世界你好2',relateCustomer:'222'},{name:'世界你好3',relateCustomer:'333'},{name:'世界你好4',relateCustomer:'444'},{name:'世界你好5',relateCus
小政爱学习!
·
2024-02-20 09:07
html
前端
java
聊聊arthas的spring-boot-starter
java/com/alibaba/arthas/spring/ArthasConfiguration.java@ConditionalOnProperty(name="spring.arthas.ena
ble
d
·
2024-02-20 09:45
arthas
Flutter 中在单个屏幕上实现多个列表
classProduct{finalStringid;finalStringname;finaldou
ble
price;finalStringimage;constProduct({requiredth
·
2024-02-20 09:44
flutter
戴尔服务器r740硬盘指示灯,戴尔R740服务器获取cpu、内存、硬盘参数信息。
importrequestsimportjsonrequests.packages.urllib3.disa
ble
_warnings()##使用一个system总的URL分别获取到cpu、内存、存储三个
weixin_39572152
·
2024-02-20 09:01
戴尔服务器r740硬盘指示灯
聊聊arthas的ArthasBootstrap
core/server/ArthasBootstrap.java/***单例**@paraminstrumentationJVM增强*@returnArthasServer单例*@throwsThrowa
ble
·
2024-02-20 09:43
arthas
vue中使用jsx语法
exportdefault{name:'MyTa
ble
_处女座程序员的日常
·
2024-02-20 09:24
js
vue
ES6
vue.js
javascript
前端
【IOS】Type ‘ChartDataSet‘ does not conform to protocol ‘RangeReplacea
ble
Collection‘
问题IOS开发Charts集成时编译报错解决方法在ChartDataSet的中增加replaceSubrange的实现publicfuncreplaceSubrange(_subrange:Swift.Range,withnewElements:C)whereC:Collection,ChartDataEntry==C.Element{}解决!
Easonhe
·
2024-02-20 09:20
IOS
ios
十种经典排序算法总结
publicint[]bub
ble
S
天瑕
·
2024-02-20 09:13
数据结构与算法
排序算法
Idea启动Gradle报错: Please, re-import the Gradle project and try again
Idea启动Gradle报错:Warning:Una
ble
tomakethemodule:reading,relatedgradleconfigurationwasnotfound.Please,re-importtheGradleprojectandtryagain
sinat_15597209
·
2024-02-20 09:43
intellij-idea
java
gradle
C语言写冒泡排序
再归几天我们也要开学了,那么我先祝各位同学在新的一年里达到自己的目标今天给大家带来的是c语言如何写冒泡排序那么接下来我们只需要拼接上main函数也就大功告成了那么我们先来简单的方法:数组法voidBub
ble
_sort
蓝天扶光
·
2024-02-20 09:06
笔记
MySQL系列之索引入门(上)
——答:必须的呀但凡遇到这类问题,甲方见了直叹气,乙方见了直摇头,恨不得亲自上阵了哟~当Ta
ble
中,数据积累到一定程度,一般考虑几个优化策略:横向拆表,分而治之纵向拆表,大而化小增加索引,寻找捷径优化
ZHOU西口
·
2024-02-20 09:00
数据库
mysql
数据库
索引
【JavaEE】_线程的状态与转移
目录1.线程的状态1.1NEW1.2RUNNA
BLE
1.3BLOCKED1.4WAITING1.5TIMED_WAITING1.6TERMINATED2.线程状态的转移在多线程Thread类相关一文中已经介绍过进程的状态
_周游
·
2024-02-20 09:59
JavaEE
java
开发语言
intellij-idea
JS进阶——变量和函数提升
变量提升"变量提升"(Varia
ble
Hoisting)是JavaScript中的一个概念,它指的是在函数或代码块内部声明的变量(使用var关键字)在代码执行之前就被提升(hoisted)到其包含函数或全局作用域的顶部
松果猿
·
2024-02-20 09:57
javascript
前端
MySQL系列之索引入门(下)
1.createta
ble
最直接的方式就是建表时创建,比如user表:CREATETA
BLE
`user`(`user_id`varchar(8)COLLATEutf8mb4_binNOTNULLCOMMENT
ZHOU西口
·
2024-02-20 09:56
数据库
mysql
数据库
mysql中慢查询问题解决思路
定位执行慢的SQL:慢查询日志1.开启慢查询日志参数我们再来查看下慢查询日志是否开启,以及慢查询日志文件的位置:执行这个命令:showvaria
ble
slike'%slow_query_log%';通常情况下这个结果的执行结果如下
技术带师御坂云
·
2024-02-20 08:52
sql学习
sql
mysql
上一页
52
53
54
55
56
57
58
59
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