Recent questions in Technique[技术]

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import os import sys sys.path.append('D:\ffmpeg\bin') os.system('ffmpeg.exe -i d:/last.mp4 -c copy d:/last2.mp4') print(sys.path ... :/last.mp4 -c copy d:/last2.mp4') 到底哪里出现了问题啊！！！...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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react 项目中，怎么配置scss scoped

比如在 vue 项目中，使用scss或者其他的语言，只要在<style> 标签中加入scoped 标识，里面的类名生成出来就就 .name[data-v-2a9d0158], 保持类名是唯一使用的；请问在react项目中怎么实现...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Extract author profile entities from Microsoft Academic API?

I am working with the Microsoft Academic API to download some bibliometric data. Microsoft Academic contains just like ... wondering if someone has already managed to do this....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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字符串排序,小说章节排序算法？

需要将一个小说目录排序 const list = ['小说A第19章', '小说A第20章', '小说A第9章', '111', '小说B第五章', '小说B第四章']; console.log( list.sort((a, b) => ... ] 请问如何写呢？ '第五章' > '第四章' // false '第19章' > '第9章' // false...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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整合SSM跳转界面出现404错误

问题描述跟着B站视频做的几乎一模一样的项目，出现了org.springframework.web.servlet.DispatcherServlet.noHandlerFound No mapping for GET /book/allBook 异常，导致无法打开页面 ... 果是什么？只是想单纯的用SSM做个CRUD，希望大佬们可以帮忙看看，感谢！...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Fetch a single record from table using list comprehension in python?

def fetch_maxno(): dsn_tns = cx_Oracle.makedsn('host', 'port', service_name='serviceno') connection = cx_Oracle.connect(user=' ... guide me is there any other way to get this....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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页面有刷新如何通过axios将异步请求的数据渲染到页面？

最近在使用tp5+vue2做一个简单的博客，tp5提供数据接口，目前在做首页的分页，发现在做翻页的时候发现异步请求的数据随着页面的刷新而丢失，然后展现的还是第一个页面的内容首页(Index.vue)部分代码： <template> <div ... 是渲染的还是第一页的内容，感觉是因为点击按钮导致页面刷新而没保存在不使用vuex的情况下应该怎么修改呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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745 views

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c# - How to fix WCF - Bad Gateway Error (502) in local

I'm working on a maintenance MVC.Net project. This project consume WCF service(as a Client). When I run the application ... settings and I would like to know the fix for this....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iText7 Digital Signature Image Alignment

In iText7 when I add an image to a digital signature the image defaults to being right in the ... But the PdfSignatureAppearance.setSignatureGraphic() requires an ImageData param....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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React如何优雅的在公共组件中调用另一组件的方法？

页面布局为上下布局上部是工具栏A（如复制、粘贴等按钮）下部是展示界面B -> C -> D -> E (-> 为嵌套关系) 如果在A上点击按钮时(复制)调用底层E中的方法(paste)？现在的做法是在E的componentDidMount方法中，将E的this存到redux中，在点击A时调用相应的this.paste. 有其他更好的方法吗？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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在 TypeScript 里怎么 import default export 的 type？

用下面的代码在 window 里声明 Lottie // node_modules/lottie-web/index.d.ts type LottiePlayer = { play(name?: string): void; stop( ... ' refers to a value, but is being used as a type here....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to generate an executable from an AWS-chalice application?

I have an AWS-chalice project and I want to generate an executable form this project. So instead of running chalice local to start a local server, I just call the executable file....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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Trying to save and load the game state using javascript using localStorage.setItem but receiving a type error

Below is the class piece which we need to store in an object and save but when we try to do it using localstorage.setitem we are getting a ... 0,1,0,0], [0,0,1,0,0] ]; break; }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Passing dynamic order by in stored procedure

I am creating below stored procedure. declare @PageNum as Int declare @PerPageResult as Int declare @StartDate as varchar(25) ... '' when @sortColumn = 'dt' then name end DESC...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can I change array value(inside array of objects) without mutating the container? javascript

what I want to achieve is filling the array "presents" with the value of arr when name is "Mario" in this case, ... pd: sorry , I could not explain better, still learning English....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue 引入的文件的

element-ui什么意思，引入的是什么css文件，...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - The resource doesn't support specified Http Verb. Nuxt + Azure

When I deploy a NUXT app to azure storage, the APIs in NUXT project don't work with this error. The resource ... app using npm run generate Deploy /dist folder to azure storage...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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694 views

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excel - ActiveCell.Formula Error 1004 - Very Simple

I am getting a 1004 Error when I run the below code. Sometimes it works but many times it breaks on the ... .Formula = Orig_Formula ActiveCell.offset(1, 0).Activate Many Thanks...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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屏幕只要旋转就出现相同id的错误，主要集中在Android6.0以下，有解决办法吗？

Caused by: java.lang.IllegalArgumentException: Wrong state class, expecting View State but received class androidx. ... android.internal.os.ZygoteInit.main(ZygoteInit.java:698)?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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CentOS安装了tomcat之后提示service tomcat does not support chkconfig

在digitalocean平台上买了一个服务器，想着自己搭建个前端项目，但是安装完Tomcat9.0之后，把tomcat加入自启的脚本中之后发现报错 service tomcat does not support chkconfig //务tomcat不支持 ... }"?? ???exit?1?? esac 以前没用过，也没了解过麻烦各位提拔提拔...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dplyr - How to Subtract two values from last column and bring to next in R?

I have this table How can I roll over this Quantity based on previous row's calculations? Please help me out here. ... on projection in every row and add Upcoming Qty. Sample File...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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253 views

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webpack打包时如何切换打包目录？

项目结构大概像这样：，我想给src 和pulish两个目录分别打包，webpack打包时，如何切换打包目录呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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946 views

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eslint 如何检查指定文件夹下的.js,.vue文件

如下配置，未检查任何代码，想要的结果是检查services,shop,doctor下的所有.js,.vue文件，包括子目录 .eslintignore src !src/api/services !src/views/shop ... "lint": "eslint --config .eslintrc.js --ext .js,.vue src",...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

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azure - Blob Storage Event in databricks through Event Hub

I want to take collect the blob creation events to Event Hub and extract the event details in Databricks. I have ... in databricks, so that I can process the file created....

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

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175 views

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CentOS 更换国内源的问题

刚刚安装了centos想换国内源，但是不知道为什么，一直出现base部分无法联网更新的问题，尝试过aliyun和163的源，包括类似的方法之类的，仍然还是有这种问题，系统版本是Centos8图片部分是运行时出问题的截图，因为实在不知道应该截什么了2333...

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

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484 views

1 answer

recursion - Why is recursive function execution time faster on average with more iterations in python?

I'm comparing the speed of two different functions in python. They are two implementations of some ... )) print(timeit.timeit(stackImplementation, number=iterationNum))...

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

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314 views

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Insert R visNetwork HTML from RMarkdown into SharePoint?

I used RMarkdown to create an HTML file that contains an interactive visNetwork chart. When I open the .HTML file into ... hover = TRUE), nodesIdSelection = TRUE ) ``` Cheers!...

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

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echarts鼠标滑过改变x轴文本颜色

请问echarts鼠标滑过的时候如何改变x轴对应文本的颜色？...

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

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