Recent questions in Technique[技术]

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python - how to encode properly a Web Scraped content

I wrote a code that detects the amazon stock an print it then I add a function that was supposed to send the stock to the receiver's ... ..') print('===========') break Thank you....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to connect to a camera and get video on a web site?

How to connect a camera and get the camera video on a web site? What are the protocols and ports that I can use to see real-time video of the camera?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to use patchperl when compiling an old perl distribution?

I am trying to compile (the 13 year old) perl 5.10.1 from source: $ wget https://www.cpan.org/src/5.0/perl- ... an existing patch for this build problem, how can I apply the patch?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - sentdex's face_recognition library ValueError: operands could not be broadcast together with shapes

I am relatively new to programming so my debugging skills are way bellow average. My question is how do I fix this: ... ), THICKNESS) cv2.imshow(filename, image) cv2.waitKey(10000)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scala - How to create an empty JsResult in play json?

I am writing an implicit reads returning JsResult[Seq[T]] based on a condition: some_condition match{ case Some(value) => ... ? } What would be the way for return such JsResult?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xamarin.forms - Xamarin forms listview "null"

I need to fill simple ListView with data, but listView is still null and i dont know why. Code (xaml): <?xml ... ? I followed a tutorial and there isnt something more.. Thank you...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Different behaviour of Newtonsoft.Json on .NET 5 / Core and .NET Framework

The following program results in different outcomes when run on .NET 5 (or .NET Core) and .NET Framework. ... I cannot see anything that would explain the different behaviours....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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MERGE / UPDATE Query for ORACLE SQL DEVELOPER

I have two different tables, table1 and table2 as shown below table1 LA_ID ADDRESS CITY STATE 572 A1 C1 S1 300 A1 C1 S1 978 A1 C1 S1 082 A2 C2 S2 026 A2 C2 S2 093 A2 C2 S2...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why does putting Java arrays as an argument in a method set it outside of the method?

I am quite confused as to why my Array is being changed when I do not change the actual variable. This is an example ... mistake or is this just how Java arrays work? Thank you!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to get number of nodes running in prometheus

I am trying to create an alert in which, when the number of nodes increase or decrease I'll send an alert. currently, I ... know how to get the count of nodes for a 5m time frame....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to determine where the content ends in pdf using PdfSharp

I am creating pdf file using PdfSharp. I have one fix existing pdf file with one page and some content in it. I ... the last element or section ends? Any reference will be great....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - Create Access file for export data without using Access database in java?

I want to move the data in a table from elastic search to Oracle and to convert data, I have to have a file access ... have only one output file in *.mdb format? Please guide me....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - React hooks, component is reading old data from Redux

My component is set to display a list of books, as card thumbnails. Each item from the list of ... ': return state; case 'DELETE_FAVORITE_TITLE_SUCCESS': return state;...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Best way to save Raw SQL queries in Django

What is the best way to make raw SQL queries in django? I have to search a table for the mode of another table ... parse function to make all the WHERE clauses based on user input....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to hide admob ad when youtube video plays on webView?

I put Admob ad on webView connecting the blog. Most of the contents are text. But some have youtube videos. Play ... to hide AdMob ad when youtube video is playing on webView?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Alternative to long ifelse statements

Say I have three individuals and I know the payment they require to enter different amounts of land into a ... (paym_area_49<paym_sh1a,49, ifelse(paym_area_1<paym_sh1a,1,0)))...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ReactJS custom hooks not keeping it's states

The Major scenario is I want to have a timer for getting new notifications, but sometimes I need to get notifications ... outside, but never changes in Compo1 ! which is weird!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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397 views

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spring boot - use string template with redis repository

how can i use Redis String Template with Redis repository. By default Redis repository (Crud Repository) creates ... return template; } Above mentioned code still uses hashes...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Razorpay integration in angular "serviceworker" must be a dictionary in your web app manifest

I have integrated razorpay in angular project when i call payment option i got some issue in console. The error ... "serviceworker" must be a dictionary in your web app manifest...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Count the occurrence of one column based on another

I have a dataframe like this System package mac abc mac bcd windows bcd mac abc...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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pandas - How to efficiently do data augmentation in movieLen case for recommender systems in python?

I have a dataset that is basically like the MovieLen dataset. It has 3 columns: userGUID, card, action. User GUID is ... can provide python code to do this. Thank you in advance....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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docker - Is IntelliJ's support for Dockerized Python environments compatible with Python running on a Windows container?

My Python project is very windows-centric, we want the benefits of containers but we can't give up Windows just yet. I ... any reason to believe that it does or does not work?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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architecture - Python streamz: integrate stream into stream?

Please note that I am searching for the "most pythonic" way in terms of software architecture / design to tackle this kind of ... some map() call of the s1, s2, ... streams?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Relationships in MySQL EER Diagram

I want to map inheritance in MySQL EER diagram. Scenario: The employee table is the superclass of doctor and ... need doct_no, and nurse_no as unique identifiers in subclasses?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to add a Heroku deployed API to Vercel image optimization entries

My front-end is deployed on Vercel, and the back-end on Heroku. How should I add the API endpoint to my next. ... that I've missed like a specific optimizer from Heroku? Thanks!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Chart with top rounded bars and average line in react native

I want to create charts displayed in the image below. whenever I will click a particular bar value list value, should ... same design pattern. Please see the design in the link...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C# Transformation of App.config with SlowCheetah on build doesn't work

update added The question is - what I'm missing? I need to transform app.config on building. I've ... App.config</DependentUpon> <IsTransformFile>true</IsTransformFile> </Content>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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amazon web services - Use Letsencrypt SSL certificate for ASP.net MVC application hosted in Elastic beanstalk Single Instance

I have a small application built in asp.net mvc and hosted in Elastic beanstalk (IIS 10) with single instance ... -tutorial/ Any help/reference article will be really helpful....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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