Recent questions in Technique[技术]

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js 使用forEach调用数组报未定义？？？

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

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react hooks 搜索功能分页功能，有重复请求，帮忙指点指点。

import React, { useReducer, useEffect } from 'react' import { View, Text, hideLoading } from 'remax/wechat'; import { usePageEvent } from ' ... ="wave" /> </View> ) } </View> ); };...

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

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python - Telegram Chatbot ReplyButtons do not work

I am currently developing a Chatbot for Telegram in Python and i can not add any Buttons i already tried to add Buttons ... not actually think i need, but i still activated them)...

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

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debian - Telegram install error on linux based system

./Telegram QApplication: invalid style override 'adwaita' passed, ignoring it. Available styles: qt5ct-style, Windows, ... (1) Telegram install error on linux based system...

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

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iOS Safari 中点击事件失效的解决办法

有一个下拉框，点击下拉框内容外面关闭下拉框，事件绑定到document上面，但是在一些ios系统的safari上面，点击事件会失效，一种解决办法在body上加上cursor: pointer;，但如果我页面是响应式的，会造成pc端的副作用，请问还有其他好的解决办法没...

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

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1 answer

css如何实现图片尽可能放大

现在的代码是 width: auto; height: auto; max-width: 100%; max-height: 100%; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) ... 如图），怎么办放大保证不失真，任何一边触碰到父盒边缘就不放大了 ...

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

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web - Start Processing a HTTP Request with large Data even though data transfer isn't finished

I am expecting a large request from a client to my server with ~10MB of data per request. Because this ... data to a distributed system which then processes them asynchronously....

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

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请求获取网页的response,获取网页的html 怎么那么慢

HttpEntity multipart = builder.build(); httppost.setEntity(multipart); long start = System.currentTimeMillis(); // 发送请求 response = ... var9; } finally { instream.close(); } } }...

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

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1 answer

javascript - Webpack production JS file exceeds the recommended size limit

I am getting the following warnings when I run my build-prod. I am not sure how to check what is eating so many ... command I can use to check how much size each is using?...

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

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567 views

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electron-vue，启动之后没了样式和图片是什么原因呢，请大佬帮忙康康

ui用的iview， import Vue from 'vue' import axios from 'axios' import App from './App' import router from './router' import store from './ ... ": "^2.22.2", "webpack-merge": "^5.0.9",...

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

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452 views

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bash telnet get stdout from expect

I need to get a dataset from a telnet shell, for this I have looked at expect https://www2.lib.uchicago.edu ... {11306} invalid command name "interact"" while executing "interact""...

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

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506 views

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java - GUI on runtime differs from Designed GUI on NetBeans GUI builder

I am using JTabbedpane with a JPanel tabbed and all the components inside the panel are shown in the picture below: This was, ... in GUI source code. And yet I am facing the issue....

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

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这个网页可以做成抖音那样,只要往上翻就可以进入下个文章,这是什么技术

就是这个网页,可以无缝切换URL,文章也会变成对应的链接的文章 https://www.pingwest.com/a/21... 有没有大神可以分析一下这个技术...

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

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631 views

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dplyr - R: case_when and filter combination resulting in undefined column select error

I am having trouble using a combination of the case_when and filter functions in a loop from the dplyr package in R. I ... it a bug from dplyr? Thanks in advance for your answers....

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

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dart - flutter how to do swappable route transtions

I am trying to recreate the coupertinoPageTransitions with a couple additions. I have two pages and I would like to ... this like package is also appreciated if you know any....

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

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229 views

1 answer

WPF .Net Core 3.1 AddSingleton 作用域无效

### 问题描述在App.xaml.cs中注入了Config类的单个实例, 在MainWindow中对修改了config的属性, 但是在Blaster中config是一个新的实例. ... config; _path = Environment.CurrentDirectory + "\cache.tmp"; ReadData(); }...

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

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python - GetSelection method for combobox doesn't work in wxPython

I'm trying to make a GUI for youtube-dl I used wxFormBuilder to make the GUI layout and then went in to code in ... code : github repo Any help is greatly appreciated!! Thank you!...

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

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358 views

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java - Hibernate not recognizing sequence increment correctly

We are using Spring Boot 2.2.1 with Hibernate 5.4.8.Final, dialect org.hibernate.dialect.Oracle12cDialect, against an ... schema. The question now is, why this Metadata is missing....

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

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163 views

1 answer

javascript - Why is redux State no updating?

I have a Redux Action but I can′t make it work . I need to find the index of an object which nested into an ... { type: 'ONCLICK_EDITAR_EXPERIENCIA', reDatos: reDatos })); }; };...

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

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480 views

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分布式邮件服务系统如何搭建？

需求：多用户分布式邮件系统，用户可以通过绑定域名进行创建邮件发送服务，通过api、smtp、pop进行调用使用此分布式邮件系统，此分布式邮件系统可以进行相关的邮件分发工作，但不能接收邮件。这样的系统应该怎么做，有没有好的方案，和方向。...

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

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element-ui的表格滚动条，如何默认隐藏，hover时出现？

目前设置了一些样式，不知道是不是在这些类上操作？ .el-table__body-wrapper::-webkit-scrollbar { width: 4PX; height: 4PX; } .el-table__body- ... 0, 0, 0.4); } .el-table__body-wrapper { background: #1F233D; }...

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

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250 views

1 answer

What is the use of Client Secrets in Azure App Registrations?

I implemented Microsoft login by referring to this Documentation. I am able to successfully get the Access token and call ... I am completely new to Azure AD. Thanks in Advance...

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

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370 views

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http - Flutter REST Calls Time Out

I am making api calls via flutter to my server. I have checked my android manifest settings and I have placed <uses ... error: Bad state: Insecure HTTP is not allowed by platform:...

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

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616 views

1 answer

antd pro4配置开发、生产环境

基本antd pro4开发的管理系统，领导说需要把url之类的写成配置文件，不是在项目里直接写死，这样不需要在打包或者其它时候每次改地址之类的但是看了下资料，不太了解nodeEnv或者 ... //localhost:8112/", changeOrigin: true, pathRewrite: { "^/api/ap": "" } } } };...

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

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1.5k views

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ts 有办法在编译阶段限制 react 子组件的参数类型吗

比如有一个 Form 组件，它需要所有子组件都有 name 字段 <Form> <Input name="username"></Input> <Select name="sex"></Select> // 这里写的时 ... <IProps> = ({ children }) => { return <form>{children}</form> }...

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

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99 views

1 answer

node.js 配置 https，报403错误

midway.js 配置http，配置如下： config.cluster = { listen: { port: process.env.PORT || 443, }, https: { key: process.env.PORT || '.key', cert: ... .PORT || '.crt', } }; 问题：请求结果403，该如何配置解决吗？...

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

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259 views

1 answer

mongodb query map by key

I have the following structure in mongodb: person: { "1" [personId] : ["some_text", "some_text"], "2" [personId] : ... Is there any way to filter map structure data by key? Thanks...

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

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300 views

1 answer

我该如何收集golang协程里面的值

业务场景: 有A,B,C,D,E 五个协程来并行抓取ws数据, 抓取后的结果result 是:int64类型的值,已知ws的数据推送很快. 现在需要按照A,B,C,D,E的五个result, 来汇总做计算,评率为每隔n秒我自己ugly ... 然后利用ticker每隔n秒,来拿各个全局变量来汇总计算但是感觉这种逻辑真的很ugly, 所以想问下更好的思路?...

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

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