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Recent questions in Technique[技术]

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javascript - Get the height (dimensions) of a Suspense element after loading in react

Basically I was trying to render a really really long list (potentially async) in React and I only want to render the visible ... there's a simpler/out of the box way for this......

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

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420 views

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r - Interpreting "condition has length > 1" warning from `if` function

I have an array: a <- c(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... has length > 1 and only the first element will be used How can I correct the function?...

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

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364 views

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git - Duplicate Local Repo at different location so that changes made on Location 2 also apply to Location 1 locally (Windows)

I have a machine2 that has the resources I need to test a space consuming app. The issue is that machine has a ... network and I can access both from each other in File Explorer...

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

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561 views

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opencv - python video streaming in tkinter

I am trying to send a video frame in parts to the server and then build it up again in the client (kind of video ... (720,1280,4) Would really appreciate help! thank you very much!...

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

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175 views

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python - For col in cols then conditional

This part of the code reads some files, and then its columns on cols, then, if the word "SOURCE" is in cols, i need ... '] = f df_xlsx = pd.concat([df, df_xlsx], ignore_index=True)...

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

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385 views

1 answer

viewer支持加载本地路径的模型吗？

如题，为了节省模型加载的时间，是否支持读取离线转换后的本地模型路径。...

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

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420 views

1 answer

bootstrap 4 - JavaScript scripts do not work at the same time, even if they have nothing to do with each other

I want both JavaScript scripts to work smoothly, the first: $('.dropdown').click(function() { $('.dropdown-menu' ... it works without problems. How can I make both scriptures work?...

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

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142 views

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java - Display contents of an array in a listview

Im making a project where the list items are contents with multiple attributes (username and passoword). I want to make the listview only ... .add(new user("Jack", "Hell1")); } } }...

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

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604 views

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腾讯云服务器CentOS中MySQL数据库被删除的问题排查

今天早晨发现腾讯云服务器上MySQL数据库被删除了。。。汗流的满脸都是啊。。。然后查看手机发现昨天晚上7：03最后一条推送消息，可能数据库是在这个时间之后被删除了，我现在想要追查下具体什么时间点删除的，怎么删除的，自己一点思路都没有，请教大佬支招。系统是CentOS7，只删除了用于推送微信服务号模板消息的数据库，该服务器上还有其他数据库都没有问题...

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

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259 views

1 answer

python - Transforming Dictionary into pandas DF

I have a program that spits out {'candles': [{'open': 1260.25, 'high': 1260.5, 'low': 1260.0, 'close': ... being each column. How would I do that with having to manually input it?...

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

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547 views

1 answer

nginx 这样写可以吗？

location ~ ^/w*$ { if ( $http_user_agent ~ "(MIDP)|(WAP)|(UP.Browser)|(Smartphone)|(Obigo)|(Mobile)|(AU.Browser)|(wxd.Mms)|(WxdB. ... .0.1:3000; } 手机访问返回 index.html PC 访问代理到3000...

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

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237 views

1 answer

python - How to assign an item in a pandas dataframe after checking for conditions?

I am iterating through a pandas dataframe (originally a csv file) and checking for specific keywords in each row ... ]="Software and application developer" data["score"]=devScore...

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

0 votes

369 views

1 answer

python - Flakehell with .toml configuration and pre-commit hook

I'm trying to run flakehell as pre-commit hook. my .pre-commit-config.yaml: repos: - repo: local hooks: - ... - do you recommend any better/working solution for python projects?...

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

0 votes

527 views

1 answer

关于slot插槽的v-slot指令用法--作用域插槽

问题描述按照文档使用v-slot指令，获取作用域插槽的值报错：Property or method "slotProps" is not defined on the instance but referenced during render. 问题出现的环境背景及自己尝 ... 是我用错了，但是我也不知道错误的地方在哪，希望知道的同学能够帮我指正，谢谢...

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

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353 views

1 answer

工作非技术问题

本人应届生一枚，下周入职某厂测开。现在是实习僧，感觉每天过的没意思，研发出问题case study测试来背锅。请问未来何去何从，想入职后找其他岗位...

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

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1.0k views

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vue-router 加base, 不加与加路由均可以访问

添加统一前缀 test,当地址栏输入 localhost:8000/test/abc与 localhost:8000/abc访问看到的页面是一样的，请问，要如何处理这种情况？ const createRouter = () => new Router({ base: '/test/', mode: 'history' routes: routes });...

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

0 votes

279 views

1 answer

reactjs - VS Code eslint underlining wrong errors

Problem eslint is underlining errors incorrectly in my React Native files. Here is one example of a file that has incorrect ... . Does anyone have any advice on how to fix this?...

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

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171 views

1 answer

javascript on form option to pass two values, one for hidden/visible functionality, the second for the data-value

I'm working with a form which displays the relevant next input box based on the selected value. I have the code working using value= ... #sel2_'+ch).css({'display':'block'}); } });...

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

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455 views

1 answer

脚手架创建react项目出错。

用create-react-app搭建的每个项目都会报 ./node_modules/css-loader/dist/cjs.js??ref--6-oneOf-3-1!./node_modules/postcss-loader/src??postcss! 这样的错误，该怎么办？...

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

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726 views

1 answer

progressive web apps - is it a good way to use a PWA being wrapped by a webview of android studio?

I'm a beginner of PWA. So I'm confused that it's a goood way using PWA in android studio webview. Because when I ... a good way? and what's the good framework for building pwa?...

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

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301 views

1 answer

关于$nextTick原理的问题

不太明白，微任务在UI Render 之前执行，为啥$nextTick的回调能获取到最新的dom元素；...

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

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367 views

1 answer

How to decorate all functions and class methods in python?

For debugging purpose, want to decorate all functions and Class methods in a module file automatically ? There are some methods ... mydeco(f): print(vars) time.sleep() return f...

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

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345 views

1 answer

vue-cli4.x中的本地静态文件下载异常？

之前vue-cli2.x的写法如下可以正常下载： <a href="/static/test.csv" download="测试.csv">csv模板下载</a> 现在vue-cli4.x同样的写法就不行了（路由hash模式 ... "less-loader": "^5.0.0", "vue-template-compiler": "^2.6.11" },...

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

0 votes

292 views

1 answer

python - How to identify a number in a column and add a specific number in that number

I have a file CASE.dat file # X Y Z TARGET MY DIST MY DATA ------------------------------------- ... 047794 0.00344 0.068566 -0.004345 0.013877 0.037595 -0.025628 0.025026 0.008999...

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

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137 views

1 answer

CameraX face filters in android java

Is anybody know how to implement cameraX beauty effects like what google showed in there event. Like face mask, ar face ... I can use for video recording and for face filters both....

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

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449 views

1 answer

webpack-dev-server开启 hot 没有效果？

webpack-dev-server开启 hot 没有效果, 不会自动刷新页面具体情况：在 webpack.config.js 中的 devServer 里面配置了 hot 为 true，运行起来并没有刷新页面，但是实际上已经 ... ', open: true, hot: true, hotOnly: true, } }; 运行的时候控制台的情况...

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

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868 views

1 answer

crash with OpenSSL 1.1.1g decode custom ASN1 stream on windows

built openssl 1.1.1g using vs2013 x86 command perl Configure VC-WIN32 This code works well on Linux but it doesn't work ... 55 asn1_lib.c line 55: ret = (*p & V_ASN1_CONSTRUCTED);...

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

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276 views

1 answer

Pandas/Python create columns based on multiple conditions with a dictionary

I am looking for a shorter and more elegant way of writing the condition below, let's say I have 30 different combinations. ... 'AAC3'] df['RETURN'] = np.select(conditions, values)...

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

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