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MQTT instead of wss on browser

When I run this code with nodejs, it works fine both on wss(code commented) and mqtts protocol. However if I run this on browser, it only works with wss. I trie

How to get the dimensions of a word2vec vector?

I have run a word2vec model on my data list_of_sentence: from gensim.models import Word2Vec w2v_model=Word2Vec(list_of_sentence,min_count=5, workers=4) print(

Laravel chat app : Unable to deliver messages to a specific user

I have been trying to develop a chat app on Laravel with socket.io. Now, I am facing problem that is when a user is sending a message to a specific user, the me

use powershell to print a list of files inside a folder and its subfolders

i need to print all the files included in a folder and its subfolders. i tried with this command Get-ChildItem -Path 'c:\mypath\' -File -Recurse | Out-File -Fil

Flaskr tutorial ModuleNotFoundError No module named Flaskr

I am going through the flask tutorial up to the Test Coverage section. And after finishing writing all the test files listed in the tutorial documentation I get

Laravel backpack fields - select_from_array functionality

I am using laravel backpack. Have created a new Request form. Have created several fields to choose from using 'select_from_array': $this->crud->field('ra

Opacity Or Alpha issue - Different Look in screen and while export in Photos in swift

Hierarchy Of View ===> CTStickerView(UIView) -> RefenceView(UIView) -> LabelMakingView(UIView) -> StackView(UIView) Having a Multiple Labels When I

How to return value from a cell on an Excel spreadsheet in JavaScript

I've been trying to figure out a way to access an Excel Spreadsheet in JavaScript and return the values stored within the cells based on the row/column they're

Django Admin dependent DropDown HTML field

I have a Region and SubRegion ForeignKey in the Country Model. My SubRegion model also has a Region ForeignKey for the Region Model. I am having a hard time dis

data accumulation with pandas

I'd like to accumulate like this. timestamp id strength 1383260400000 1 strength accumulated by square id1 or id2 == 1 1383260400000 2 strength accumulated by

Iterate over the fields of an object

I have a singleton objet with 100 different case classes. For example: object Foo { case class Bar1 { ... } ... case class Bar100 { ... } } I would like to

cmake find package can not see Qt6

I downloaded qt6 -> qtbase only and built, install it , i write simple program to check it, when I tried to locate Qt6 it show me this error : CMake Error a

Struts2 - Best way to redirect to another domain

My website has a section that will be migrated to another domain, but all our clients still use the old url, which will be deprecated soon. What i want to achie

condition should be a Column dataframe PySpark

When using df_hdr_join.count() > 0 in when statement, it gives an error 'condition should be a Column'. I tried following. df_result = df.withColumn('NUM', w

Milvus has a high virtual memory footprint

The original data is 4w 768-dimensional flat, and the sizing tool is used to calculate it should be 118M, the actual memory is 6G, the virtual memory is more th

Viewing SQL queries from all sources

I found this picture in a document. It shows the queries running on a given SQL database. It looks similar to DBeaver software. However, I couldn't find a way t

React router : update props

I am new to react, I have a component UpdateInvoice which has as props idInvoice and a boolean isNew. this component do two things if isNew is true the componen

How to encode the GWT Long value in RPC Request

I am using JMeter to generate random number for load test Q) How to encode the long value below "DI"? The original value is 200. 7|0|8|http://10.6.3.1:90/portal

org.eclipse.jgit.api.errors.RefNotFoundException: Ref main cannot be resolved - with Spring Cloud Config Server

I am again extending my question: Caused by: org.eclipse.jgit.api.errors.RefNotFoundException: Ref master cannot be resolved here again: I am using Spring Boot

Wikipedia scrapping problem, how I can get content all tags inside one

I got a problem while trying to scrap wikipedia page. I want to get definition of title, but inside the tag I'm interested in there are many other tags, and I d

Cannot create Table in graph schema , Agensgraph

I am trying to import Northwind dateset as mentioned in this tutorial 'https://bitnine.net/tutorial/tutorial_eng.html?ckattempt=1', I did the same process but w

Fabric.js create dynamic image mask

I want to mask the original image using alpha mask image. I can do alpha masking on image with the following code. But I want to be able to edit the mask with t

Why when I install my apps APK on Physical Android Device says App Not Installed

Attention great developers. I have hit a snag. I have built this application in flutter and has been in development for over a year. When I run the command flut

Console.log in Chrome dev tools console doesn't do anything

So I open the Chrome developer tools and switch to the console tab, and I type the command console.log("Hello world!") but it doesn't log anything to the consol

How to replace excel as input data for automation

I am working on an automation framework which requires me to validate the xml structure and value. for ex. Testcase: xyz xml: <<Doc>/<firsttag>/&

How to solve this Python error when inserting list in database?

I'm trying to insert into database a list (that I extracted from a file) with 3 columns: log_time log_type message I used this code: #database connection try:

How to rank for this query

I want to generate the below result and here is my query SET @count:=0; SELECT Workout.created_by, SUM(Workout.training_load) as TL, FB_User.name from FB_Worko

Java - How to replace entire 2D ArrayList with another that has different size

I have 2D ArrayList consisting of Objects, i pass it to a function in another class, like this: public void function(ArrayList<ArrayList<Object>>)..