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python 3.x - Numpy: Size of a 2D array matrix?

How do my 2 statements bellow differ in internal mechanism, while they are however giving the same output? x = np.array([ ... are correct outputs as the size of the array is 12....

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

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281 views

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json - Is there a way to get columns names of dataframe in pyspark without reading the whole dataset?

I have huges datasets in my HDFS environnement, say 500+ datasets and all of them are around 100M+ rows. I want to ... columns names without wasting my time and memory ? Thanks......

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

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202 views

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Python lists not equal when they should

Can somebody please explain why both of lists are not equal? I mean output should be True but it's output is False. Why? ... the code work correctly. Why? and how can I solve it....

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

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383 views

1 answer

how to read lines in python and then assign each line to a variable

I am trying to write a code that will take a file see those letters then take them and make them in to other letters. hear ... or read a file that has the message?: read >>> ideas?...

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

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107 views

1 answer

javascript - Adding logo to the navigation bar

I need your help. I don't really know how to add logo of my company to this code. If you know what I need to do ... width: 1104px) { .about .about-content .left img { height: 350px...

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

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160 views

1 answer

javascript - Unexpected error putting object on AWS S3 through browser (putObject)

I get a presigned URL through my Node/Express backend successfully for a putObject request on S3 and try to upload the ... to S3 made the process work successfully on the browser....

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

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245 views

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How can I improve the performance of this R code?

I'm having trouble with the performance of this code. I have to loop through 2225 columns and calculate a betti_number. ... of each column because they're not all the same length....

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

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1 answer

javascript - Display number of pages

I want to create paginations but I have a little problem. I want to display number of pages. So I have this code: // ... nex time then I will go to this page it works correctly....

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

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469 views

1 answer

UWP C# pipe client fails to connect to Win32 C++ pipe server

I am trying to communicate between client UWP C# app and server Win32 C++ app, both apps are in same package and I am ... client I am getting "Access to the path is denied." error....

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

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android - adb shell input text string inserted but not fully accepted

I have an app which used for email exchanging purpose. There's verification logic to validate each recipient matched ... simulate the phone keyboard. Please share me your thought....

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

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175 views

1 answer

go-swagger restapi/configure_todo_list.go - api.TodoGetHandler undefined error

I am a newbie in go and go-swagger. I am following steps in Simple Server tutorial in goswagger.io. I am using ... ... or create those folders. Can someone advise me? Thanks....

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

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291 views

1 answer

I can access any other firebase features. But, I can access Remote Config. "There was an unknown error while processing the request. Try agian."

I can access remote config for production project. I can't only access for testing project. I already tried to sign ... reset up again for other features. Any suggestion for that?...

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

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1 answer

android - How to implement a Dynamically changing ListView of Spinners?

Need help with an issue I'm having while developing an android app. Im writing in Java and XML in android studio. ... options are final - they are not changing and not daynamic....

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

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179 views

1 answer

node.js - insert retrieved data from MongoDB to an array in vue script line array

By REST API, I ran a query and got a result(retrieved data) from MongoDB. and on .vue file, I want to insert those data to an ... '_blank'); } } }; </script> any help or tip? :S...

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

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260 views

1 answer

java - Vaadin: How do I make a Component selectable with a RadioButton?

I have a use case where the user needs to select items with checkboxes and then has a choice of two radio buttons. ... play around with different types and methods, but to no luck....

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

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256 views

1 answer

python - Clarification about matplotlib's base number/offset/scaling factor

I am trying to solve some randomly generated PDEs in python. I have some graph outputs from some simulation code, and ... to formulate a search for the answer to this question....

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

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1.1k views

1 answer

creating docker-compose to handle multi arch

In the below code.I need linux/arm64 and linux/arm/v7 arch images. My understanding is docker-compose create with ... :3000' platform: linux/arm64 platform: linux/arm/v7 Thanks....

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

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209 views

1 answer

rest - How to extract a particular URL from a Json response

I am sending a API request to a third party system called quip and I am trying to extract a particular URL from the ... let me know how I can extract that value through code?...

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

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246 views

1 answer

How to test performance of MySQL NDB cluster(NDB storage engine) using SYSBENCH?

I want to test the performance of my NDB cluster. I am thinking of using sysbench. Are there any particular ... mention the Storage engine explicitly. Need some help on this....

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

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651 views

1 answer

discord.py - How to make Command Prefix Case Insensitive

So I'm making my discord bot, it's kinda confidential code, so I was wondering how to make command ... prefixes"] bot = commands.Bot(command_prefix=prefixez, case_insensitive=True)...

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

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371 views

1 answer

Can I invoke multiple instances of Selenium side runner?

I'm trying to see if I can instantiate multiple instances of Selenium Side Runner and run different side projects in each instance....

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

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256 views

1 answer

spring boot - Use different SuccessHandler for different client registrations

I want the success handlers to be used for different client registrations, but it doesn't work. Any suggestion? ... )) .authorizationEndpoint() .and() .tokenEndpoint() } }...

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

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970 views

1 answer

cakephp - How to use PhpSpreadsheet in cakephp2

I Tried Many Thing To Implement PhpSpreadsheet in CakePHP 2.x , In CakePHP 4 It Worked For Me. Finally I Tried things ... ?> This Code Worked , But For Xlsx It IS giving Error...

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

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149 views

1 answer

javascript - How do I fill an empty div with js?

The aim is to access a particular endpoint after performing a search only when I hit a button but I am ... the likedsongsbutton. Hitting the button does nothing at the moment...

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

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325 views

1 answer

reactjs - Pushing an obejct to an state variable array based on checkbox checked/unchecked

In my react application I have to pass an object to api end point like this: { "name": "string", "description": "string ... onClick={this.handleSubmit} > Submit </Button> </> ) } }...

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

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335 views

1 answer

c# - Google Cloud Function Visual Studio: Unable to start Kestrel

Running Google Cloud Function in VS2019 and getting the error Source: https://codelabs.developers.google.com/codelabs/ ... String[] args) at AutoGeneratedProgram.(String[] args)...

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

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353 views

1 answer

python - How can I install Pytorch version 1.1 on Windows x64?

I need to install an older version of Pytorch, version 1.1, on my Windows 10 x64 machine. The instructions here tell me ... is the easiest way to install Pytorch 1.1 on my machine?...

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

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247 views

1 answer

how can I extract related attributes from different child level elements from XML file with Python ElementTree

I am new to Python and somewhat new to XML parsing and am struggling to find the right code algorithm to extract the data ... Input 3 Live Room I - Focusrite USB ASIO - Digital 10...

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

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