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centos生产环境系统漏洞维护问题

由于是生产环境，每一个漏洞是否需要补，而且有的漏洞还需要重启生效，或者漏洞补上后是否影响系统的运行等？想知道有经验的朋友是如何做的维护呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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如何基于 Kafka 打造高可靠、高可用消息平台？

Kafka 是当前非常流行的一个消息系统，最初用作 LinkedIn 的活动流式数据和运营数据处理管道的基础活动流式数据主要包括页面访问量PV 访问内容以及检索内容等运营数据指的是服务器的性 ... .cn/article/... *《Kafka（三）Kafka的高可用与生产消费过程解析》 https://www.cnblogs.com/frank......

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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github自动发布如何保存CNAME文件

GitHub不是有静态托管功能么，就是github pages，然后可以自定义域名，其实就是生成一个CNAME文件然后像是有一些自动发布，比如Travis CI 和 Github Action 然后我我发现有一个共同的问题，自动发布是每次直接覆盖上次的文件，也就是说，每次发布，CNAME都没有了这个问题怎么解决...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue+vant 为什么在谷歌浏览器不能滚动，但是在火狐浏览器可以？

写了一个vue+vant的项目，写好了一个下滑无限加载文章列表的功能，然后在谷歌浏览器看确实可以实现，就去写其他的功能了但是写了好多之后突然发现下滑滚动没有办法触发了，火狐浏览器看是可以的谷歌：火狐：我回忆了一下中间这段时间写 ... 识很多不清楚代码也不方便全展示出来，路过的大佬们能不能给一点点提示，指出可能的原因我自己再来排查一下，非常感谢！...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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amazon web services - "Vue+S3+Lambda" architecture on Google Cloud

My single page website (VueJs) has only very few transactions, so I would like to implement it using ... my Vue-based website with some straight forward backend processes?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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如何去掉<figcaption>之前空白？

在写网页的时候发现浏览器会在figcaption和它前面的元素之间留出一段空白，源代码如下和页面显示效果如下所示请问如何把这段空白去掉？ <!doctype html> <html> <head> ... ="linux.png" /> <figcaption>Linux操作系统</figcaption> </figure> </body> </html>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Magento 2.4.1: Exception #0 (ReflectionException): Class MagentoElasticsearchModelAdapterFieldMapperProductFieldMapper does not exist

Upgraded Magento 2.3 to 2.4.1 recently. Everything seems fine with the website. When trying to login to Magento admin ... ->run() called at [index.php:39] </pre>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - Aspose.Cells .Net C# 'Σ Values' shown in Row for pivot table

I'm using Aspose.Cells to create an Excel spreadsheet and adding a PivotTable into that spreadsheet but the 'Σ ... Values' field into the Columns area using code? Cheers Steve...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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往数组对象里面push一个新的对象时，判断如果有id相同的就覆盖这个对象

往数组对象里面push一个新的对象时，判断如果有id相同的就覆盖这个对象改怎么做，用了许多方法去重都是保留原来的对象 let arr = [{ id:'1', name:'a' },{ id:'2', name:'b' }] ... arr) 怎么让打印出来是如下的对象 { id:'1', name:'a' },{ id:'2', name:'c' }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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插件连接mysql时提示 Plugin caching_sha2_password could not be loaded

我在windows 10上部署了一个单节点DolphinDB，现在碰到的问题是用mysql插件连接不了mysql 我的代码如下： loadPlugin(getHomeDir()+"/plugins/mysql/PluginMySQL.txt" ... .dll' ((nullptr):3306), with errno: 2059 请问该怎么解决？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Image Resolution Name for 512 x 768

My Question might be very basic as I am new to the image and video processing community. I know that the image ... internet but was not able to find any matching results. Thanks...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Spring WebSocket报MessageDeliveryException?

SpringBoot+WebSocket+Eureka+Gateway 使用SimpMessagingTemplate.convertAndSend抛出 ... .handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechan...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Excel formula to count duplicates as one

I am trying to create a formula which will count all rows (duplicates as one) based on a value in another column. ... p1 Joe Bloggs p3 John Bloggs p1 Mary Bloggs p1 Alan Bloggs...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scikit learn - Translate Python export_text decision rules to SAS IF THEN DO; END code

I am attempting to translate Python's sklearn.tree export_text output into SAS conditions. There has been a solution given in ... THEN DO; PREDICTED_VALUE = 2.0; end; ELSE DO;...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - the role i created for wordpress doesn't show my plugin

I have created a custom role for wordpress, but I don't know a method to give it permissions to access my ... not visible and therefore it is not possible to access the settings...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysqldump的哪个参数可以做到导入时终端不显示输出？

在写脚本的是时候用mysqldump导入sql的时候时会在屏幕上输出整个过程。请教想做到不输出有没有什么参数可以控制呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - how to put hello component under navbar? particles taking whole screen

I dont know why particles is taking the whole screen, I cant put that hello text right under the navbar. Here's code for this ... ,0.8981967787114846) 0%, rgba(0,16,92,1) 100%); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bash - Why does Rsync of tree structure into root break filesystem on Raspberry Pi?

I have developed an application which I am trying to install on raspberry pi via a script. The directory structure I have is ... due to no init. Does anyone know what's going on?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Solved-- Why columns value change into NULL when try to update only one column?

This is my table which I created in sql server... CREATE TABLE [dbo].[Addresses_Table]( [AddressID] [int] IDENTITY(1,1) ... of it. Please help me out to solve this problem.......

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2020年推荐免费图床

请问大神有甚么推荐的免费图床吗? 或是每个月费一点费用的,预算每个月20$ (我很穷 T_T) 或是有推荐自架图床方式。更新 : 请问 github 当图床建议吗? 担心被墙...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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数据库连接url后缀太长了

在学习项目开发中，经常提示数据库报错，可能是时区错误，可能是编码错误, 查到的解决办法都是加入后缀信息不知不觉就变成了b.url=jdbc:mysql://localhost:3306/test\_mybatis?characterEncoding=utf- ... 符合服务器的mysql数据库吧是要统一对数据库进行时区设置，还是就是要使用常常的后缀 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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请问这种样式如何实现CSS

...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node crypto解密小程序手机号报错是为什么？

错误信息：（每次都说第一次报错，第二次在执行就好了好神奇） Error: error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad ... server/node_modules/@eggjs/router/node_modules/koa-compose/index.js:44:32)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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react+ts 如何设置组件默认值？

react+ts 如何设置组件默认值？比说我的 width 当外面不传的时候想设置位100 ` import React, { Component } from 'react' import './card.scss' ... </div> {this.props.children} </div> ) } } export default Card `...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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flutter - Record and Play and play a local audio file in one page

I want to be able to present the user, on the same page, with a simple recorder which plays the recording back and an audio ... '), ), body: makeBody(), ); } }enter code here...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Header elements alignment

I'm trying to replicate this header: https://minelligroup.com/ on this website that is related: https://blog.minelligroup.com/ ... but I can't solve it. Thank you for your help....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - django-allauth: Confirmation Email (with Token) for changing primary mail address

I am currently testing django-allauth for one of my applications. So far it seems to be a very good third party ... : Adding a new email addresses requires an password input first....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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VUE 网络请求在 created 还是 beforeMounte ？

vue不涉及的页面加载的网络请求是放在 created 还是 beforeMounte？为啥？从结果看，好像两个都可以...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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