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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!...
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Feb 5, 2021
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welcome
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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...
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Jan 27, 2021
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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...
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Jan 27, 2021
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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?...
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Jan 27, 2021
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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?...
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Jan 27, 2021
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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...
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Jan 27, 2021
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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 = "_")...
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Jan 27, 2021
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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...
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Jan 27, 2021
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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...
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Jan 27, 2021
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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);...
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Jan 27, 2021
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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!...
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Jan 27, 2021
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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...
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Jan 27, 2021
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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....
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Jan 27, 2021
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angular
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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...
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Jan 27, 2021
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This
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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...
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Jan 25, 2021
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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。...
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Jan 25, 2021
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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 }...
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Jan 25, 2021
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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?...
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Jan 25, 2021
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react脚手架yarn
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votes
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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; }...
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Jan 24, 2021
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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?...
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Jan 24, 2021
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Replace
0
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1.9k
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1
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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?...
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Jan 24, 2021
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python
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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); } } }...
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Jan 24, 2021
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azure
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1.8k
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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?...
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Jan 24, 2021
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javascript
0
votes
2.1k
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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";...
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Jan 24, 2021
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c#
0
votes
1.7k
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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
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Technique[技术]
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71.8m
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0
votes
1.6k
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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...
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Jan 24, 2021
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1.9k
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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...
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Jan 24, 2021
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antd
0
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2.0k
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1
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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:...
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Jan 24, 2021
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reporting
0
votes
1.3k
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1
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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...
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Jan 24, 2021
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