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Recent questions
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写一个方法,数据格式化处理
//原始数据 let times = [ { date: '2020/10/29', type: '1' }, { date: '2020/10/30', type: '2' }, { date: '2020/11/1', type: '3' ... type: '2' } ], [ { date: '2020/11/1', type: '3' } ] ]...
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What is the difference between error and fault in Spring-WS SOAP calls?
I am trying to make a SOAP call through a Spring Boot application. The call is returned with statuscode 400 ... Central. Base url: https://api.businesscentral.dynamics.com...
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video streaming - Is it possible to set up ffmpeg as a repeater?
I am using this PyLivestream library to stream files to youtube. the problem is that once it finishes each video ... I can still use PyLivestream to stream the individual files....
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swift - SwiftUI: how to pass an array to a View to be used in ForEach
I would like to pass an array of elements to a View and show the elements with a ForEach. When I pass an array of a ... } } } } Is there a way to achieve the desired result?...
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How can I setup Xstate to use Redux Dev Tool in angular
I am using xstate for state management in a angular project. I did the this.service = interpret(machine, { ... any additional setup required other than adding the redux extension....
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firebase - angular.js firestore returns null when using query
I am trying to query against a firestore database, however, when I use a query it will return null. What I would like ... know that I am missing something, but I am not sure what....
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javascript - Querying same document in parallel in the same API in mongoDB
I have a an API written in typescript and I try to run parallel queries for same document by using ... 3721.214ms single-KS1226Y6DNDT05G7FJ4J: 3799.050ms parallel: 3800.586ms...
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javascript - Select drop-down menu items do not appear when I click the drop-down
I have an existing JS project in which I have added a select drop down menu which I am trying to populate with ... me in the right direction. Any help is massively appreciated!...
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takesscreenshot - Cucumber: scenario outline need to take screenshot on failed step
I would like to take screenshot for failed step of each example input when I am using Scenario Outline. Example: ... screenshots to attach in report. could you pls help here....
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网页中的所有链接全部被加上了 ""这个符号 导致静态资源无法获取到
求解, 不知道怎么回事 本地就是一切正常的...
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网页中的所有链接全部被加上了
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如何通过 js 下载大文件并且重命名?
项目种需要提供下载功能,通常的做法就是创建 a 标签,然后给一个下载地址就可以了;但是现在需求改了,要求能够重命名文件名称--上传后文件名被改为guid.txt格式,试过方法如下: 1 通过设置a标签的download属性,兼容性 ... 2 通过下载blob类型的方式,参考:demo,但是面对下文件体验很不好,点击下载后会半天半天没反应; 改如何解决呢?...
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android - How to make a child view not clickable inside a clickable container
I have a layout container like described below: <ConstraintLayout android:id="@+id/container" ...> <child1/> <child2 ... be clickable but the child2 shouldn't. Thank you in advance...
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android studio - Looking up a deactivated widget's ancestor is unsafe) flutter
this is my splash screen and I provide the future method to navigate automatically to another screen, class SplashScreen ... !!!!!! here Test breaks when using Future.delayed...
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如何让背景色,铺满整个屏幕,并且高度随内容自适应
如何让背景色,铺满整个屏幕,并且高度随内容自适应...
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Elastic search搜索
现在有两张表,一个是商家表,一个是商品表。想用Elastic search做全文搜索,根据商家名称和商品名称匹配数据,并根据距离最近排序,最终实现如下效果图。想问一下索引怎么建立呢?是建立一个索引,还是两个?es怎么存这个数据,用父子的形式查询?还是?用Java客户端操作es有没有比较好用的推荐一下。谢谢!...
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python - Numpy matrix multiplication gives slightly different result in multiprocessing pool
I want to compute the numerical gradient of a function in parallel. However, I realized that evaluating my function in a ... ] language = c define_macros = [('HAVE_CBLAS', None)]...
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Jan 25, 2021
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quill 实现代码高亮
代码 let start = `((\\)(?:usepackage|documentclass))(?:(\[)([^\]]*)(\]))?(\{)`; let end = `\}`; let reg = new RegExp(`${start}`, 'gi') ... 文字加粗 但是如果我想实现高亮,我必须知道,这个关键词的起点,才行 有什么思路吗?...
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quill
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Anaconda的sypder,使用一天发现上传了400mb数据,是在上传什么?
如果用360禁止它的所有python进程访问网络,spyder1分钟后会直接卡死,就像强制你保持连接上传数据一样,还是说spyder不能脱机使用吗? 请问spyder在上传什么?有没有办法关闭?是否有安全性问题?...
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Jan 25, 2021
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JavaScript forEach() 方法
上面这样可以正确输出 为啥第二种写法就报错了呢?...
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Jan 25, 2021
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JavaScript
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这种带图片的分页展示有什么框架组件可以使用吗
...
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Jan 24, 2021
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javascript - Pass data through promise .then notation using axios
I need to make three web service calls. The second two calls depend on the results of the first. Then I want to ... the chain so that I can resolve with all three data sets....
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Jan 24, 2021
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kubernetes - Kubectl -f Abbreviation
I am new to Kubectl commands, I met kubectl -f -lapp=nginx As from documentation, and the command --help -f, -- ... this case, it means --follow=true, is my understanding correct ?...
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skew可以用scale + rotate3d 表示出来吗
通过skew动画,给人给感觉像是通过缩放 和 3d方向的旋转模拟出来的?但是没有看到过类似的证明,请问我的猜想是否正确呢...
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skew可以用scale
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将数组转换成带排序的二维数组?
比如一个普通数组: [1,3,5,2,7,8,9,0] 我想转换成 [ [0,0,1],[0,1,3],[0,2,5], [1,0,2],[1,1,7],[1,2,8], [2,0,9],[2,1,0] ]...
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Jan 24, 2021
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最少知识原则和单一职责原则是否相互矛盾?
最近在读《JavaScript设计模式与开发实践》,其中提到“单一职责原则”是将一个对象拆分成多个对象,再将它们相关关联。“最少知识原则”是一个对象尽可能少地与其他对象发生相互作用。 请问下这样两种不就相互矛盾了吗?还是哪里没理解对?...
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reactjs - React state not updating inside setInterval
I'm trying to learn React with some simple projects and can't seem to get my head around the following code, so would appreciate ... < 0 ) { clearInterval(interval); } }, 1000) };...
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Jan 24, 2021
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js继承语法
大佬说下,为什么后面会跟着undefined?...
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Jan 24, 2021
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js计算磁盘已用空间和剩余空间出现误差问题
如图 直接计算已用空间 剩余空间可能出现图片中的数据总和不匹配的问题,考虑了以下方案,感觉还是有机率出现这种问题 方案1 放弃已用空间的精度,从丢失精度的GB转回kb,再用总空间减去丢失精度的已用空间,得出剩余空间,剩余空间 ... 进制为1024,最后可能会再次丢失剩余空间的精度,仍有一定机率出现相加与总和不一致问题 注:可能出现其他单位,TB/MB/KB...
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