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254 views

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string .replace(/a/g, '!') .replace(/b/g, '#') .replace(/c/g, '没规律的') .replace(/d/g, '没规律的') .replace(/e/g, '没规律的') // 以下省略20行 ..... 以上，像这种字符串替换，源文本很大、高频率调用的情况下如何写怎么省内存和提高性能呢？...

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

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543 views

1 answer

高德地图怎么实现多个动态实时轨迹

高德地图怎么实现多个动态实时轨迹,(多个多个多个,是多个),单个运行正常,多个直接就不动了,求解...

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

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212 views

1 answer

Authentication problem when updating private submodule within github actions

My repository includes a submodule, the submodule is a private repository. Whenever a push happens, a test-script is ... time, aborting Error: Process completed with exit code 1....

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

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383 views

1 answer

react 项目把页面的数据导出到表格并以base64的形式传递给webview

react 项目把页面的数据导出到表格并以base64的形式传递给webview...

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

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95 views

1 answer

javascript - Why an empty input value equal to true?

This code is suppose to execute oninput if the input is equal to the answer. Instead, if i have a multiplication problem that equals ... "is incorrect" + " " + this.answer); } } }...

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

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486 views

1 answer

作为前端如何让公司前端项目（vue后台管理系统）瘫痪且别的前端无法解决。删代码没用，同事本地有仓库。起因：无理欠薪。

作为前端如何让公司前端项目（vue后台管理系统）瘫痪且别的前端无法解决。删代码没用，同事本地有仓库。起因：无理欠薪。...

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

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358 views

1 answer

thinkphp6项目，前端vue如何做服务器端渲染？

thinkphp6做的项目，前端都用的vue，但SEO有问题。网上教程说可用SSR或nuxt.js框架做服务器端渲染，请教大佬已经tp做好的项目如何实现呢？...

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

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224 views

1 answer

网站被黑打开后跳转博彩网站怎么解决？

PC端打开没有问题，手机端打开自动跳转页面，个别页面出现这种问题，源码也没有检索到恶意链接，请问怎么解决这种情况？...

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

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290 views

1 answer

Cannot find module 'umi'

已经安装过umi了。在cmd全局umi -v正常显示版本，但是进入项目目录 umi -v 提示Cannot find module 'umi'...

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

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291 views

1 answer

WinSW将jar制作为Windows系统服务遇到的问题

概述使用 springboot 制作了一个小项目用于拨号上网（别跟我讲用路由器，我就是要网线直接接电脑然后拨号），并且周期性检测该网络是否在线，如果不在线就断开并且重新拨号我做了的测试使用 java -jar vapndialer.jar ... 行就没问题，制作为服务后运行就显示没有该链接（上面的623表示没有该链接）是什么问题呢，要如何解决 ...

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

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284 views

1 answer

python - How do you do a proper silent installation Miniconda3 with Windows PowerShell on Windows 10?

I try to install Miniconda via Powershell, and it works fine as long as the destination directory does not contain spaces, but ... =JustMe', '/RegisterPython=1', '/D="$minidir"')...

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

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254 views

1 answer

react的怎么设置state的初始值为二维数组

代码是这样的 export type Option = { label: string, value: string } const [multiColumns,setMultiColumns] = useState([]); 我想设置 ... Option],[Option,Option,Option],[Option]] 这里的state应该怎么写？？...

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

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150 views

1 answer

mysqli_query查不到数据

$data = mysqli_query ($this->db, "select * from dues where addtime>1596211200" ); var_dump($data); 结果是空的,但实际上库里有1000多条数据呢 $data = ... ); var_dump($data); 不加那个条件是能全查出来的到底哪错了呢？...

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

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255 views

1 answer

vue脚手架eslint模式如何更换

在创建vue项目的时候选择了每次保存时执行eslint规则，现在感觉太烦了如何更改为 commit时执行呢？...

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

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87 views

1 answer

javascript - Position ranking table in react js

i'm creating a web app in Reactjs with a ranking table all managed by firebase, but i came across a doubt: after ... defined momentarily with the id of my database. Thanks to all!!...

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

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35 views

1 answer

antd的form组件能否一个大name对应多个小name

如果可以的话，这样做写Form内的组件很方便翻遍了文档，只有Form.List有这个功能，但是Form.List毕竟是做动态增删表单的，它设计的子name只能是数组，这样在某些场景就很不方便，有没有更好的办法 <Form.List ... { bar: 'xxx' } ] ... } 这里的list要是支持对象就好了，某些场景下数组确实很不方便 ...

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

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323 views

1 answer

colors - How to find HSV values from a certain area as average in a video, python?

I'd like to extract the lower and upper of HSV values from area after click and crop it by mouse in video ... windows cv2.destroyAllWindows() Please help me. Thanks in advance....

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

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391 views

1 answer

请问valine的评论占用leancloud的存储空间吗？

做博客网站的时候开了一个valine的评论功能，粗略看了一下leancloud的计费方式，免费存储空间10G，超过要按每G算钱，我想问一下访问我网站的用户提交的评论会算在存储空间里面吗？如果算的话，有人恶意地刷评论，那么我的存储空间会不会超量非常多？...

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

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744 views

1 answer

请问 flutter 网格布局高度如何自适应子组件？

我想写个网格布局，下图中红色的子组件平均分布，居中显示请问绿色的网格布局如何自适应红格子的高度呢？我尝试的写法： Widget build(BuildContext context) { return Container( height: 300, ... 写第三行 height: 300, 去掉后无法运行，请问如何让这个高度自适应子组件的高度和呢？...

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

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1.0k views

1 answer

Docker Compose failing with file not found error pywintypes.error: (2, 'CreateFile', 'The system cannot find the file specified.') on windows

I am trying to run below command on windows command prompt. It is failing with file not found error. C:UsersAMRANEcp ... 'CreateFile', 'The system cannot find the file specified.')...

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

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262 views

1 answer

Failed to compile. ./node_modules/css-loader/lib/css-base.js

创建完项目，安装ele时出现的重装了node未解决 Failed to compile. ./node_modules/css-loader/lib/ ... open 'E:workspaceKHL-officialWebsitesrcmainwebappzkhl-project ode_modulescss-loaderlibcss-base.js'...

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

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303 views

1 answer

arrays - Looping Through a ColdFusion Structure

Can someone help me loop through a structure. <cfset resData2 = ConvertXmlToStruct(gatewayResponse.Filecontent, StructNew())> < ... ="#resTran2#"> </cfloop> Here is the structure:...

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

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126 views

1 answer

vue 引入 vant组件方式

之前没有见过这种引入方式没有看到vant文档上面写过这种的请各位大佬指教这个是什么引入方式...

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

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46 views

1 answer

ansys - What is the problem in my non-linear analysis apdl code?

everyone I'm using Ansys apdl to perform a non-linear analysis. I'm looking for cracks region on a T cross-section concrete beam. The non ... uz ! D, 659, ux D, 659, uy !D, 659, uz...

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

0 votes

78 views

1 answer

python - Calculate total amount deliveries

For you to solve my problem I think you have to run it on your own. My problem is in this line print( ... adding a Customers[Customer_Name]['Order_Price'] but it did not work...

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

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193 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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66 views

1 answer

javascript - Drag and Drop Zone with Connectors

I tried some libraries such as D3 or jsPlumb to emulate this behaviour. But there are no examples to do it. I ... drop zone you cannot connect each of them. Partial EXAMPLE HERE...

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

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418 views

1 answer

读取数据库中的图片出现了问题，报mysqli_result::fetchAll()错误，网上没找到相关，该怎么修改？

html: <form method="post" action="upimage.php" enctype="multipart/form-data"> 描述: <input type="text" name="form_description" size="40"> <input ... 然后获取图片的php就报错了，网上没搜到相关，这个该怎么修改？...

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

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