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490 views

1 answer

html - Change webkit thumb css on webkit scrollbar hover

Here is a self-explanatory jsfddle: https://jsfiddle.net/40Lo3agc/4/ I'd like to use CSS to change the appearance of the webkit ... -thumb { /* some css */ } These do not work....

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

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177 views

1 answer

Switching from NPM to GitHub Packages

I have a NPM package with a small user base, yesterday I created a new version and wanted to release it. I thought that ... NPM and just try to move users away from the NPM page?...

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

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1.3k views

1 answer

nestjs - How to change the type for query param?

I want to transform my query param from string to number. I use dto technic. import { IsOptional, IsInt, Min } from ' ... page); Result: string. How do I change the type correctly?...

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

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328 views

1 answer

原生H5嵌入页面如何跳转

index.html和detall.html在同级目录,以下代码在PC调试可以跳转，嵌入之后却失效了，难道要window.location.href = url;吗 index.js var url = 'detall.html'; location.href = url;...

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

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178 views

1 answer

python - Is there a way to cut up a live music recording by clicks?

I'm new to coding in Python and so I'm wondering if it's feasible to record our band's performances and separate ... decide a split in the audio file. Could anyone please help?...

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

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481 views

1 answer

spring - Webflux non blocking threading concept

I am studying on the reactive programming in Java with webflux spring boot library. I have read a lot of articles ... would be stored/ handled before it "handles" other request?...

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

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637 views

1 answer

alpine 配置多个镜像源，是否会根据网络优先选择？

假设我在 /etc/apk/repositories 中配置多个镜像源(国内，国外)，主要有几个问题：是否会根据线路优先选择镜像源 apk add 中途安装失败，是否会使用另一个镜像源处理 apk add 中途安装失败后(下载失败)，如何退出执行...

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

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331 views

1 answer

javascript - Can someone explain the rainwater capture two pointer solution to me?

Can someone help me understand how this two pointer solution to the rainwater capture interview problem works exactly? I ... rightPointer]; rightPointer--; } } return totalWater; }...

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

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766 views

1 answer

vue 项目动态引入css(sass)文件(判断后加载对应的 sass 文件)

vue 项目动态引入css(sass)文件(判断后加载对应的 sass 文件)...

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

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497 views

1 answer

Go 语言中，类型对应的结构体成员一样时，它们的底层类型就是一样的吗？

比如存在下面两个类型 A 和 B： type A struct { x, y int } type B struct { x, y int } 此时，类型 A 和类型 B 对应的结构体成员是一样的，那么，A 和 B 拥有的是不是同一个底层类型呢？就像这样： A B / / / struct { x, y int }...

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

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686 views

1 answer

if statement - SonarQube Java rule for checking debug/trace logging level

I'm trying to write a customized java rule to check if the debug/trace log levels are enabled. If the log level ... If someone could help me out, I would really appreciate it!...

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

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311 views

1 answer

原生Web Component 还没被广泛使用吗？

Web Component 大家都知道吧？不是Vue，React里的，原生的我觉得挺灵活强大的啊，自己也写了好几个（例如用Canvas写个数据图表Component），但是我最近看了下Boss直聘的前端职位，基本都是要求掌握Vue/React/ ... 还是说要考虑兼容IE等不兼容的浏览器啊？（其实也有另外的代码库可以转为为IE兼容，就像Babel）...

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

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258 views

1 answer

python - Parsing the gps coordinates from SIM868 module

Hi I used this is the code to print GPS data import serial import time ser = serial.Serial("/dev/ttyUSB0",115200) W_buff ... here? [1]: https://i.stack.imgur.com/FDGQO.png...

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

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249 views

1 answer

java - Is there any way to call advice() on a loaded class's methods before the ByteBuddy agent?

I have implemented a simple agent as below. It works for my custom Foo.class, but I couldn't assign advice for ... methods so that the class is loaded before the ByteBuddy agent?...

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

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329 views

1 answer

vuecli3.0 build之后如何配置webpack 可以正常访问js css img等资源

项目结构如下 en 英文版 zh 中文版 en zh下分别是打包好对应的dist目录 index.html打包之后默认的 js地址都是从根目录走的，需要手动设置成/zh.js/文件名 img文件都无法访问 ` <script src=/js/ ... 要如何配置能统一的把 js.css指定到了zh的统一的目录下不需要手动设置路径并且可以访问img资源...

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

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440 views

1 answer

怎么解决egg.js在运行npm run dev时报错？

问题描述启动egg脚手架之后，我只安装了egg-mongoose和egg-emqtt，进行简单的设置以及按照npm给出的示例新增了部分代码（设置路由控制器中间件）然后启动项目npm run dev出现报错日志如下： 0 info it ... 看到的错误信息又是什么？我不知道是什么原因导致的这个报错，又何如解决使其能够正常运行？谢谢！...

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

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149 views

1 answer

python - How can I pytest a function that creates a list of objects?

I have a function that takes a directory of images, reads them, and stores them in a list. When pytesting a ... to learn. Suggestions for correct test naming are also welcome....

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

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285 views

1 answer

Facing an issue while making a lexical analyzer for C++ code in Python

I'm trying to make a very simple lexical analyzer(Tokenizer) for C++ code from scratch, without using PLY or any ... done with the conditions yet, just trying to fix this first....

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

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141 views

1 answer

typescript如何定义一个类型为number，但是不能为200？

type Not200 = Exclude<number, 200> 发现上面这种是不行的 ps. 希望可以用在变量声明上，让let a:Not200 = 200能报错...

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

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213 views

1 answer

Is there a way to add arguments as variables to execute a command line instruction from inside a python file

I have a file buyfruits.py this parses the arguments and sends them to a file called buying.py for eg this command: ... $python buyfruits.py --quantity q --amount amt --fruit what...

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

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529 views

1 answer

现在究竟怎么用babel/polyfill配置兼容IE11啊？

2020年了！现在到底怎么才能正确用babel/polyfill？很多帖子都是几年前的旧帖，是不是已经都失效了，最新的办法是什么？求指点一个正确的好用的步骤！！ VUEcli + elementUI做的项目，chrome没问题， ... [ '@vue/app', ??????{ useBuiltIns:?'entry' ??????} ???] ] }...

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

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293 views

1 answer

python - How to implement a specific SQL statement as a SQLAlchemy ORM query

I was following a tutorial to make my first Flask API (https://medium.com/@dushan14/create-a-web-application-with-python-flask ... share more info but sadly I can't at the moment....

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

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487 views

1 answer

datagrid单元格输入时，怎样限制只可输入十六进制数，其他类型均不可输入？

要求实现的效果：datagrid单元格中只能输入十六进制数，输入其他字符均输不上，在哪里怎样限制，求指教...

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

0 votes

450 views

1 answer

只有一个手机可以使用charles抓取https请求，其他手机安装ca证书也不可以抓取https

只有一个手机可以使用charles抓取https请求，其他手机安装ca证书也不可以抓取https...

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

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183 views

1 answer

python - iterating over column values and check for inside values

sorry, I am new to python. suppose, I have a data frame with column values repeating at some intervals dest_num ... .2 none 322 42.1 critical voltage 322 40.1 dest_outage...

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

0 votes

291 views

1 answer

javascript - Ajv not defined in Jest test

I want to test my class with jest. This class is importing ajv.js 6.12.2 and the test fails on that. So what i ... could be used normally. Can anybody give me a hint what to do?...

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

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873 views

1 answer

关于vue 使用element-ui问题

element-ui里面table的值可以多选????然后我带调取接口重新获取?又没有选中了,有啥办法可以继续选中??不让他清掉啊...

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

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182 views

1 answer

python - How to turn nested json or list inside dataframe?

I have set of repsonse from Elasticsearch using aggregation query , and the response is like 'aggregations': {'group': {' ... i would like if there;s much better method to do ?...

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

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