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Android Sudio find which Activity/Fragment is on foreground

I am working on a new app and it is a bit difficult to find which Activity/Fragment corresponds to the current screen ... . I am looking for a similar feature in Android Studio....

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

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【每日一题】- 2020-07-01 - TypeScript 编译器是用 TypeScript 写的，那是先有编译器还是TS？

TypeScript 编译器是用 TypeScript 写的，比如： microsoft/TypeScript:src/compiler/scanner.ts@7b942b4 那么这个TS写的编译器是怎么被解析的呢？...

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

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Oracle VM VirtualBox已设置了几个存储磁盘，但安装系统时仍提示无可用空间，这个如何解决？

...

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

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amazon web services - How to deploy a graphql api built with express to AWS serverless?

I have been trying to deploy a backend api service made with graphql api and express to Amazon web services. This is my ... )", " at internal/main/run_main_module.js:17:47" ] }...

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

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python - How do I upload a CSV with French accents & emojis to Google Sheets?

I'd like to upload a CSV to Google Sheets so that I can download it as an XLSX. I'm currently using the ... opening the file with Chrome if that matters, and coding with vscode....

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

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前端的js、css资源进行了变更之后，为什么还要手动修改版本号去除缓存呢？

有个小疑问，浏览器设置协商缓存通过e-tag和last-modified的话，前端的js、css资源进行了变更之后，为什么还要手动修改版本号去除缓存呢？...

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

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Warning: Unnecessary HSTS header over HTTP

关于提交HSTS列表的时候的出现的警告提示。看了下面2篇文章，感觉少了一个在http情况下，该头值应该是多少？该不该设置？如何正确优雅的设置？我这里是Nginx环境，欢迎同步给出Apache的设置以帮助其他人。涉及文章地址如下 https://www.iowen.cn/when-app... https://0x1.ink/p/34...

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

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Android RxJava & Retrofit

请问我该如何等待网络请求完成后再进行return? public class InsertRemain { private static Double remain; public static Double InsertRemain( ... isShowing()){ mDialog.dismiss(); mDialog=null; } } }...

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

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javascript - How to Add Legend To D3 Pie Chart

I have been trying to add a legend to this pie chart that I have created. I tried using code from getting a legend using a bar ... ) .attr("d", arc); </script> </body> </html>...

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

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pandas - youtube_dl video descriptions

I have a df containing a set of videoIDs from YT: import pandas as pd data = {'Order': ['1', '2', '3'], ' ... Can you suggest how to get it right? Thank you in advance for help....

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

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equivalent redshift sql from oracle sql

what is the equivalent of the Oracle SQL in out in redshift sql? I'm trying to translate some Oracle sql to ... date, as_of varchar2, company varchar2) returns an error in out...

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

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javascript - setTimeout doesn't work when I tried to show JSX.element

I have very simple question. I just moved top page by using setTimeout after editing data. I could edit data, ... '#75A9FF', color: '#FFF' } }} localization={localizationJapanese}...

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

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若希望contextby与moving或rolling共同操作，返回结果是每个滑动窗口里所有的值(向量)，有什么比较好的操作？

因为之前不常提问，所以思路还是有点混乱，让各位大佬笑话了，我稍微捋了一下，我想问的核心意思是: 我们现在使用的rolling或者moving函数，都是滑动窗口计算出一些统计值，例如再往上封装的mavg等，最后得到的是一个滑动窗口一个值 ... 工将表的长度拉长，再进行rolling操作？这种方法是否比较耗资源？大佬们是否有更好的一些方法？希望各位大佬指点！...

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

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ios - Horizontal scrolling collection view shifts up when scrolled in parent container

I have created a horizontal scrolling collection view within a parent UIView, which I add in my UIViewController. But ... shifting up but stops the cells from resizing correctly....

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

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当使用transform scale时，怎么确定其在页面中的位置

我现在有张图片是可以拖拽移动和放大缩小的，在图片左上角有一段说明是动态显示信息的，必须且仅显示在图片的左上角 <img :src="src" :width="picW" :height="picH" :style="{ transform: ... 在页面效果中，其位置是有变化的，但是left和top值没变，那么图片放大缩小时，我该如何调整 span位置...

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

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AJAX call in wordpress only working from development computer

I'm catching the submit event from a CF7 contact form via eventListener. It should not prevent the default action, which simply is ... ($_POST); // DB insert here ... die(); }...

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

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请问大家H5的移动端顶栏是怎么实现动态内容？

绝大多数页面都有顶栏，而且大多数页面的顶栏内容都不一样。顶栏内容通常都是：左侧返回或关闭，中间标题或下拉，右侧有+号按钮，有更多按钮，有关闭按钮。顶栏这部分是做成了公共组件，然后每个页面去写标签吗？还是用动态组件？...

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

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使用node-http-proxy 解决https代理的跨域问题

使用node-http-proxy 解决https代理的跨域问题，将secure设置为false，get请求正常，post请求后台取不到cookie值，无法使用，secure设置为true,报错为certificate ... , secure: true }); 控制台报错为：unable to verify the first certificate...

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

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installation - Airflow 2 import exception

I uninstalled airflow 1.10.12 and installed airflow 2 using python 3.6.9. When I start the webserver without custom ... this be ignored or what could be the reason? Regards Oli...

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

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java - understanding Azure File Storage: UnknownHostException

Edit: I just realised that AccountName, below, refers to a storage account, which I have not yet created. I thought it was ... exception: " + e.getMessage()); return false; } }...

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

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python - Tensorflow predict likeliness of two sentences to go after each other

I use AWS Textract to extract text from documents, however, some sentences are ripped apart which I need to put back ... together. What model architecture do I need to do this?...

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

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除了cookie之外，还能用什么方法做验证码功能？

如题，一般现在的短信验证码是这样做的（至少我们是这样做的）：前端调发短信接口，response返回一个cookie，然后下一个验证的接口，前端通过设置credentials: 'include'，把cookie带上传给服务器，这样服 ... 设另外SameSite=None确实也有cors的风险所以我们如果不用cookie，还能怎么样实现验证码功能呢？...

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

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reactjs - useState, setting icon active and inactive

Hi all I have following code : my code I have two useStates, they checking if first one is true then they ... something as checkbox Please help me to resolve this issue, thanks....

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

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python直方图（频数密度）-深入浅出统计学

最近再看《深入浅出统计学》，想把里面的例子都用python画出来，才看几页就遇到问题了 - - 例子如下图：画出上面的直方图，错误的表示如下图：这个画出来了，实现代码如下： data_rand1 = np.concatenate ... = data7 / bins1_with 求大神指导同样的数据怎么画出上面第二个直方图那样最后不知道表达的清楚不...

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

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sql - Redshift: Incremental products ordered across marketplaces

I have a table, 'Customer_Orders' that basically lists the products purchased by customers across marketplaces (UK, DE, US etc). Here's a short ... UK A 1 UK B 1 DE A 1 US A 1 US C...

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

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How can I run PostgreSQL in CircleCI with SSL/TLS?

In CircleCI, I would like to run tests that access a PostgreSQL database, but I would like to connect to it using SSL/ ... to copy anything into the container. How can I do this?...

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

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django order_by排序多个条件没生效？

order_by('-created', '-views') 只排序了-created 第二排序-views没生效，这是为什么？...

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

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swift4 ，如何获取UIImage 图片的大小？

swift 获取UIimage 图片大小 **let** data: Data = UIImageJPEGRepresentation(image!,0.5)! **let** imageSize: Float = Float(data.count/1024) print("图片原 ... ) kb") 这个方法好像有问题输入 1 输入 0.5 都不准...

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

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