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opencv编译出错，急！

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

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python 3.x - Bash run task via ssh and get stdout, stderr live output to file in background

I am running a python 3 script via ssh, and I want to see the stdout and stderr in a file on the remote server. ... The problem is that the ssh is waiting for the script to finish....

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

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Junit5: Expect nested exception

How does JUnit 5 allow to check for a nested exception? I'm looking for something to what could be done ... not touching results triggers exception sampleRepository.delete(s); });...

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

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python - Add result from multiprocessing into array

I have a problem in when using results from multiprocessing in Python: worker = math.ceil(lenRes1/maxRecord) print(worker) ... to append the result from each thread into one list....

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

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python - How to change particular database columns value in in django framework

Hi i am try to solve reset password through dynamically .. what i doing some one register my form it will store ... this way please any one help me enter image description here...

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

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express - Issue with accordion in EJS

I'm trying to iterate over my database in EJS, and render them as an Accordion. There are 2 issues here. When I expand an individual accordion, ... </div> </div> <% i++;%> <% } %>...

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

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javascript - Select all images without a specific parent class

I need to select the second image inside of a div (.entry-content) unless the image has a specific parent class. Here is an example of my ... /> <p></p> <p><img /></p> </div>...

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

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C语言程序设计题目

这一道题如何理解呢...

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

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Vue插件什么时候需要传插件实例给Vue构造函数

在用 vue + element-ui + vue-router + vue-i18n 刚开发完一个项目后，看到 vue-router 和 vue-i18n 都传了实例给 Vue 构造函数，而 element-ui 没 ... ', router, store, i18n, components: { App }, template: '<App/>' })...

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

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javascript - HTML onclick event doesn't work with parameter

When I click my button, which should make things visible and invisible, the whole website disappears. What I was trying to do ... " onclick="open(1)">More details</button> </div>...

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

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javascript - How to recreate moving "cloud" background?

I came across this background animation: https://wholefestival.com/artists I would like to recreate and learn to control ... .org/techty/sketches/HUs2dx-vF. Thanks in advance :)...

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

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sql - How to create a connection with Oracle using Spark Scala without loading data?

Is there any standard Scala class/Object to create a simple connection with oracle database (using JDBC) but without ... mentionned in .option("dbtable", "schema.tablename")....

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

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请问下这种区域热力图是用什么插件绘制的

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

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python - Element goes stale on click

I am opening a new page with every click and downloading a video from that page. It works for the first page, but when ... to the page document (Session info: chrome=87.0.4280.141)...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - DDS Opensplice: How to deserialize data with sequences

I am using ADLINK's OpenSplice and their Python API. I cannot seem to find good documentation or a class reference. I ... IDL, it fails to populate the data in the sequence/list....

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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请问如下为什么div会把margin伸出到header之外

请问如下为什么div会把margin伸出到header之外，如何，让他向上的margin在header内，就是从margin的border算起？ <!DOCTYPE html> <html lang="en"> <head> <meta ... style="margin:5vh">通讯正常</div> </header> </body> </html>...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue项目启动报This dependency was not found

这是协助别人做的项目，npm install后在npm run serve 报错。请问这是报vue in啥错误啊？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue 一个实时获取的参数分别传递给多个组件会影响性能吗

写一个小案例父组件： <template> <components1 :scrolled="scrolled"></components1> <components2 :scrolled="scrolled"></components2> <components3 :scrolled=" ... 不停的传递给三个组件分别使用这种情况会影响性能吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to manage a task queue using APScheduler?

I would like to use APScheduler to handle task scheduling and queues. I am currently using the very basic APScheduler settings: ... 1) How am I supposed to start the left tasks ?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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api - Information about tracking system

I have one question about tracking by postal code. Is it possible? I've seen some websites where you can track ... information but there is still nothing. Can someone help me ?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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Netty中childAttr方法设置的值为什么被所有连接共享了？

Netty版本：4.1.6.Final 服务端启动代码如下 final ServerBootstrap serverBootstrap = new ServerBootstrap(); serverBootstrap .group(boosGroup, workerGroup) .channel ... 属性值对应的都是一样的请各位不吝赐教，急切求助！！！...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - HTML href as Google Apps Script variable

i'm making an index that generates automatically from a Google Spreadsheet. My script reads two columns, one with names and the ... (getData).readData(); </script> </body> </html>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How do I prevent dynamic code loading via eval in nodejs?

Is there any way to prevent the use of eval and friends in nodejs code? It has been used by at ... for something with runtime guarantees that includes node_modules as well....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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electron应用关联mp3文件后,如何在双击打开时自动开始播放?

通过fileAssociations关联了mp3文件,双击之后只会打开electron APP, 有什么事件可以监听吗?,想自动开始播放. 从文件打开和点APP的图标打开应该是有区别的吧?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to format "2021-01-19T12:50:00Z" to: 2021-01-19 12:50:00

I am using angular and rxjs. So I have this: x: console.log(res.map(date => date.dt)) And it returns this: 0: "2021- ... yyyy-MM-dd HH-MM-SS But so what I have to change? Thank you...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

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c++ - errors with std::vector<std::reference_wrapper<move_t>>

The following data types have been defined: struct move_t { int pos; int value; }; using moves_t = std:: ... combine two arrays into one, but without unnecessary copying, etc....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

1 answer

webpack安装报错问题

npx webpack index.js 报错：[webpack-cli] Unknown command 'index.js' [webpack-cli] Run 'webpack --help' to see available commands and options 求解...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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一组从大到小排好序的数据，生成div，宽度统一，高度不统一出现间隙

data: [ { title: '美食', value: 99 }, { title: '才艺', value: 96 }, { title: '搞笑', value: 91 }, { title: '旅行', value: 86 }, { title: '游 ... 因为元素是顶部对齐的，所有高度小的元素，和上一行的元素出现了间隙，请问有什么好的思路啊...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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