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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)

0 votes

262 views

1 answer

flutter - Record and Play and play a local audio file in one page

I want to be able to present the user, on the same page, with a simple recorder which plays the recording back and an audio player which plays a local mp3 file. ... const Text('Simple Recorder'), ), body: makeBody(), ); } }enter code here...

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

0 votes

522 views

1 answer

高德编辑矢量图形可以添加点位吗？

第一次开发地图，请问就是编辑矢量图形的时候，可以自己添加画红色框白圆点的点位吗...

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

0 votes

558 views

1 answer

python 3.x - Colab OSError: [Errno 36] File name too long when reading a docx2text file

I am studying NLP techniques and while I have some experience with .txt files, using .docx has been troublesome. I am trying to use regex on strings, and since ... can I preserve the file and make it work? How would you guys approach this?...

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

0 votes

541 views

1 answer

小程序下拉刷新为什么卡住不动？

真机调试下拉刷新时我看到已经触发onPullDownRefresh方法了但是那个动画一直都在动这是怎么回事？...

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

0 votes

599 views

1 answer

nacos占用cpu过高

nacos占用cpu过高，怎么判断是java代码问题，还是nacos问题...

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

0 votes

625 views

1 answer

r - How to add a suffix onto column names based on existing column name?

At the moment, the code below is not very reproducible as I am adding the suffix based on column numbers. How would I modify this code to add the suffix to all columns beginning with ... )[5:10] <- paste(colnames(df)[5:10], "C", sep = "_")...

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

0 votes

1.1k views

1 answer

微信公众号嵌套h5页面每次更新的缓存怎么清理

微信公众号里面嵌套的h5页面每次更新以后线上都没用反应，是因为微信自带的缓存，文件名不变的话微信不会从新加载文件，必须手动进设置里清除缓存，但是用户并不会这样的操作，请问怎么在h5页面清除微信缓存...

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

0 votes

869 views

1 answer

linux - awk 'FNR == 2 {print}' issue

I have some task on which i need to know the install date of WLS which is located in second row of file called envVars.properties which is ... dba 123 Oct 20 2017 /opt/weblogic1221/wlserver_12.2.1/installation/install/envVars.properties...

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

0 votes

1.2k views

1 answer

python - Get BLOB file from phpMyadmin?

Hi all :) I've been programming recently in PHP and looking to convert BLOB files to show in a designated folder. The $file is a blob file of type jpeg ... format on local drive $ajax_handler->add_response_data( true, $output ); }, 10, 2);...

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

0 votes

1.0k views

1 answer

vue通过script引入自定义组件CDN报错

一个vue自定义组件，里面也有vuex，发布成CDN，然后在另一个项目index.html中通过script标签引入的时候，直接报这个错误，我确认了是关于自定义组件中的Vuex的错误，可是这个自定义组件在本地运行时正常的，以及我将自定义组件中的vuex用cdn引入，再将该组件发布成cdn引入时，又报Vuex.Store的错误请 ... 这样的错误，甚至其他自定义组件我也加了点vuex，也不会报那样的错误，所以现在很困惑这是报错的发布成CDN的自定义组件望各位指点，谢谢！...

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

0 votes

1.2k views

1 answer

js 运算符能重载吗?

例一个代码 xx + 10 转换成一个方法调用传递参数(10)这种用toString() valueOf() 的话一般是通过转换成字符串处理但是字符串处理的话默认+10 的话也就是字符串拼接。能否重载运算符转化成方法调用...

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

0 votes

1.2k views

1 answer

angular - Can we extend a model with the same ease as using an extraProperties Map, using the NGXS patterns?

Background We are planning to use Angular whatever-version-we're-on-now, Typescript, NGXS. Still in the API design phase, so we don't have many concrete ... , we want "value - description, stateName" where stateName is an additional field....

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

0 votes

1.3k views

1 answer

This SQL query can't split into multiple data sources

如题,这个sql语句直接执行是正常的,放在loadTableBySQL就出现上述错误. This SQL query can't split into multiple data sources...

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

0 votes

1.8k views

1 answer

el-tree render-content属性给树节点添加图标， className渲染不出来

使用el-tree的 render-content属性给树节点添加图标该安装的都安装了，但是data.className渲染不出来...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

在vue的某个组件中，绑定键盘事件比如左右方向键，一段时间后会发现左右方向键盘所绑定的事件会触发多次，如何解决

在vue的某个组件中，绑定键盘事件比如左右方向键，一段时间后会发现左右方向键盘所绑定的事件会触发多次，如何解决，这是为啥。...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

swift - Combine .sink print doesn't print

I am new to Combine and Sink, however the prints that I put in them do not seem to log however the result of the action completes as the user is created within ... ") }, receiveValue: { (signUpResult) in print("Signed Up") }) return sink }...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

react脚手架yarn start 和npm start都不能自动打开浏览器页面

"dependencies": { "@testing-library/jest-dom": "^5.11.4", "@testing-library/react": "^11.1.0", "@testing-library/user-event": "^12.1.10", "react": "^17.0.1", "react-dom": "^17.0.1", " ... 尝试过哪些方法相关代码粘贴代码文本（请勿用截图）你期待的结果是什么？实际看到的错误信息又是什么？...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

小程序如何实现多个按钮元素flex两行布局，加上图片多层叠加互不影响？

各位老师好，在学习的过程中，碰到这样一个问题，实现起来比较复杂，不知道该怎么办，求指点现在主要的矛盾点是，昨天好不容易，解决了小程序按钮添加背景图的问题，就没法再给展示信息的icon图标定位，好崩溃，这个布局对于我来说 ... : 10rpx; } .menu-box .menu-list .menu-button text{ color: #ffffff; font-weight: 600; font-size: 28rpx; position: absolute; }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

Replace java platform system logger with slf4j in spring boot application

I've got a spring boot application build as multi-modular gradle project (old-style, not fancy jigsaw) What I want to achieve - is replace java platform loggers (e ... plugins/config do I need? And will it even allow me to achieve my goal?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

python - combined client and server using aiohttp

I am trying to find an example of a python aiohttp app that both makes http requests as a client AND processes http requests as a server. I need ... client is updating the data resource shared between the client process and server process?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

azure web app loaded from github repo based on spring boot problem

yesterday i linked my github to an azure web app service my repo built with rest requests and some of them is working with loading data from ... %s", name, availableAppNamesMessage); throw new IllegalStateException(errorMessage); } } }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

javascript - Transform Flat Input into Nested Input in NestJS Validation

My Input is { "case_type": "survey", "vehicle.make": "Hyundai", "vehicle.model": "Creta" } and my Input DTO class is class InputDTO { @IsString() case_type: ... I want to convert the given JSON into this input DTO. How can I perform this?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.1k views

1 answer

c# - ListBox does not refresh when data in Database is changed

When I insert new Data into my database my listbox doesn't update. I checked if the Data is written into the Database, and it is. This is how I bound ... = ds.Tables["countries"]; lb_type.DataSource = bs; lb_type.DisplayMember = "Name";...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

uniapp右上角点开的弹窗添加功能

这里怎么添加功能...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

M1 macbook archey 输出的ip地址不正确，与ifconfig中的不同，如何解决？

M1 macbook archey 输出的ip地址不正确今天用mac连手机热点，然后用archey查看ip发现和之前没区别。再用ifconfig命令查看发现两者给出的ip不一样，ifconfig为更改后的正确ip，archey似乎无论怎么样都输出同一个ip。不知道这是m1芯片的问题，还是哪里配置的出了错误。 archey 使用brew安装 homebrew为arm架构版本如图...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

antd table protable 分页的问题

分页设置的是20行一页，因为搞了行合并，后台返回的是23行，Protable自动把多的分到第二页去了，怎么关掉前端的自动分页...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.0k views

1 answer

reporting services - SSRS report external image source

I am trying to create a solution to show dynamic images in SSRS reports. I have .NET process that generates Base64 strings that after decoding returned to ... return format or something else. Please share any idea. Thanks Image properties:...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

请教一下两个系统的钱包功能设计

我们现在有两个系统 A和B A系统早期开发了,有钱包 B系统现在开发中,也用到了钱包,(后期可能增加积分,金币等) 我们现在想A和B钱包共用,这个涉及了互通,要实现就不但账号要互通, 因为公司不大,不太合适使用微服务现在我的思路是独立出一个钱包的数据库,一个公共的用户表,交易流水,钱包等, 关联方式通过一个token和id,互相绑定A,B用户,通过钱包api的方式操作钱包,这样做如何...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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