Jonic Developer Community

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Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

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133 views

1 answer

npm安装vue

为什么安装完成后，node_modules有两个文件夹 1 [email protected]@vue 2 vue 而且，我注意到，如果把第一个文件夹删除，第二个文件夹也打不开了。如果用电脑自带的搜索vue，只能搜索到第一个文件夹。问题安装一个包，为什么要生成两个文件夹？？？第二个文件夹是什么特殊类型吗？依赖于第一个文件夹的存在随便问一下，包文件夹的命名规范是什么？我见到过好几种不同的命名方式...

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

0 votes

327 views

1 answer

Mysql表的数据如何打乱排序？

想把A表里面数据打乱进行随机排序 A表id主键自增我新建了一个B表 A、B两个表结构一模一样想把A表里面的数据插入到B表里面时打乱排序下面这样试了一下为什么顺序没有乱？还是跟A表里面的一模一样 insert into B select * from A order by rand();...

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

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174 views

1 answer

请正则大佬，替换一段url：（https://baidu.com/aa/#/home?flag=bb）

原（https://baidu.com/aa/#/home?f...）取到 /home 这些用/index替换替换为（https://baidu.com/aa/#/index?...）想替换掉/到？这一块就是网址有可能是（https://baidu.com/aa/#/home?f...）也可能是（https://baidu.com/aa/#/demo?f...）用index把上面两个例子的home和index 这个位置的内容替换掉...

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

0 votes

234 views

1 answer

python - showing pytest diff inside pytest.fail call

When pytest's assert fail, it shows a really nice diff between expected and actual data. E AssertionError: assert {'0', '1', '3', '8'} == {'0', '3', ... 'd like to show a nice diff like pytest at that moment. How to show pytest-style diff?...

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

0 votes

912 views

1 answer

asp.net - Anonymous and Windows authentication apps authentication 401 error

I have 2 web apps (asp core web apps) in the local network on IIS server. First app has only anonymous authentication turned on - App1. ... exception. Is this configuration correct? Can App2 authorize the user using windows authentication?...

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

0 votes

524 views

1 answer

Flutter admob mediation with Facebook Audience Network: how to customize ad display?

I have a flutter social network app with admob native ads working fine, and I would like to implement mediation with Facebook Audience Network. I configured ... it is because this version is not yet released on AppStore and PlayStore ?...

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

0 votes

335 views

1 answer

关于前端的样式问题

这个东西叫什么啊，不知道从哪里开始查，怎么做呢？...

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

0 votes

745 views

1 answer

vue ssr 能这样做吗？

A目录写前端代码并打包。 B目录安装 node express mongo 等做接口服务。 A与B 代码上无关系。在A下，打包好的前端和 srr代码，放到B里。 B提供静态文件托管和接口服务。请问 B 目录也要安装 vue axios 和 vuex 等前端的库吗？...

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

0 votes

502 views

1 answer

vue-cli3 使用深度选择器自定义修改element-ui样式失败

我引用了element的想调整弹出头的样式，在浏览器调试时可用直接通过修改.el-collapse-item__header来修改样式但是在我的vue中，即使我用了深度选择器也无效 .el-collapse-item >>> .el-collapse-item__header ... 依旧无效： .myBG >>> .el-collapse-item__header{ background-color: rgb(217, 237, 247) !important; }...

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

0 votes

1.3k views

1 answer

python - Getting error 'NotImplementedError("That compression method is not supported")' when extracting zipfile in python3.9

I have read through the Python documentation about zip files and watched a couple of videos, but everything didn't work. I'm using Kali Linux, so that the password ... is not supported Does anyone know how to do this? I'm using python3.9....

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

0 votes

98 views

1 answer

java如何读取多表头的excel

java小白一枚,请教各位大神,类似这种多表头的excel,怎么读取数据,我只会读取简单的一行一列的...

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

0 votes

362 views

1 answer

r - with nested loops, creating several one-page aggregates of ggplots

This follows a previous question was answered so helpfully by @Duck. (R ggpot: Arranging on one page several ggplots created with a loop / name each plot differenly) ... are made (not 9), and no page with three wrapped plots. Suggestion?...

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

0 votes

148 views

1 answer

Flutter module add-to-app调用Android原生抛MissingPluginException？

问题描述创建的Flutter module按照撰写双端平台代码添加到host App中，并且通过MethodChannel调用host App 原生方法失败，抛MissingPluginException异常： No implementation found for method testMethod on channel flutter.bridge ... 文本信息"从平台原生方法返回的值"，但实际上却如开头所述，此时抛MissingPluginException异常 ...

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

0 votes

324 views

1 answer

kotlin - I cant get text to change on my android application on android studio

In my code I have a letter appear in Russian, I then write the sound it is in English. Press a submit button and it checks if I am correct, shows ... { val intent = Intent(this, MainActivity::class.java) startActivity(intent) } } }...

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

0 votes

384 views

1 answer

为什么用selenium爬网页出现这种异常提示？

这几天想用selenium爬网页信息，简单写了一个但是总报错，找不到问题原因，各位帮我看看呗,大家可以直接执行我下面的代码，看看报错信息 from selenium import webdriver from selenium.webdriver.firefox. ... longer attached to the DOM, it is not in the current frame context, or the document has been refreshed...

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

0 votes

507 views

1 answer

elasticsearch - Difference between curator-cli and curator action files

I'm stuck on a similar problem seen on this post, but can't find a solution : https://github.com/elastic/curator/issues/1513 To snapshot my Elasticsearch ... the same "filtertype: none" on curator-cli, everything is OK. Thanks a lot...

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

0 votes

183 views

1 answer

c# - Why is the date time offset the same for eastern and central time?

I created a small app to test storing times with the UTC offset. I don't understand the results. If I run the program at 14:01 today, I get this: This ... _connectionString)) { db.Execute(sql, new { punch.EmployeeId, punch.PunchTime }); } }...

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

0 votes

132 views

1 answer

在python里怎么调用或者复写这个js

var ua = new Uint8Array(32); window.crypto.getRandomValues(ua); 'Uint8Array' 未定义...

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

0 votes

185 views

1 answer

electrom打包报错WARNING: The callback-based ....

报错信息：WARNING: The callback-based version of packager() is deprecated and will be removed in a future major version, please convert to the Promise version or use the nodeify module.查了资料没查不到啥，请问有人遇到过吗，用的electron-vue...

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

0 votes

490 views

1 answer

aws lambda - AWS API Gateway- Offset-Limit

I am working on a Warehouse Management System using AWS services. We are using API Gateway. What is the best way to utilize offset-limit for query searches? ... default: 100 format: int32 maximum: 100 minimum: 1 type: number style: form...

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

0 votes

346 views

1 answer

class - JavaScript issue in Safari lower than 14

I can't find reason why it's not working on safari lower then 14. After trying to fix it and looking in Google I give up. It works everywhere except mine iPad 2 ... (--duration); animation-timing-function: var(--amt); } What can I try next?...

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

0 votes

195 views

1 answer

go并发库singleflight的shared总是true的问题

前言：singleflight.Do第三个参数是个布尔值，代表是否共享结果问题：为什么我的第三个参数返回值总是true，不应该至少有一个是false吗环境：centos7，cpu8核，go1.14 package main import ( "fmt" "sync" "time" " ... error) { time.Sleep(time.Millisecond * 1) fmt.Println("mysql query") return 1, nil } 执行结果：...

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

0 votes

389 views

1 answer

求指导这段代码什么意思？

即将接手的项目中的代码，这是什么意思？没太明白，框架是UmiJS,我也没用过...

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

0 votes

311 views

1 answer

如何简单实现一个类似于 element-ui table 组件

<wxTable :tableData="[{title:'石锤',file:'石锤.pdf'}]"> <wx-column label="部件名称" prop="title"></wx-column> <wx-column label="文件名称" prop="file"></wx-column> </wxTable> 想用这个组件渲染出这 ... 路主要是内部的 wx-column 没思路已经搞定了基础版本求指教 wx-column 如何绑定自定义事件??????...

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

0 votes

494 views

1 answer

vue axios 设置proxyTable跨域后访问接口404

config/index.js proxyTable: { '/api': { target: 'http://10.110.148.59:8085', changeOrigin: true, pathRewrite: { '^/api': '' } } }, 请求接口 this.$http.post('/api/lasf-mgr/user/ylogin',params).then((res)=>{ }) 浏览器报错请问怎么配置...

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

0 votes

297 views

1 answer

pine script - How to have only the latest instance of certain plotted lines visible?

First: I'm pretty sure this is my poor understanding of how things work ?? I'm trying to plot a a "solid channel" with two horizontal straight ... , lowerRange, xAxisFinishesAt, lowerRange, color=color.blue, width= 1, extend=extend.none)...

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

0 votes

939 views

1 answer

element table如何导出指定列或指定行的数据

表格是这样的，有这样一个需求可以选中指定行导出，且查看详情此列不导出，我用的库是网上说的xlsx和file-saver 如何能做定制化导出呢！...

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

0 votes

459 views

1 answer

anaconda3 - Anaconda navigator and all it's components disappear when i try to run jupyter notebook. Is there a way to fix this?

After i installed anaconda it disappers a few minutes after i run jupyter notebook. The notebook does not open while the anaconda navigator window closes and all the ... empty. Any fix for this? Or a way to run the navigator again?...

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

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