Latest Questions

Why I am getting "Not Implemented Error: Database objects do not implement truth value testing or bool()." while running makemigration cmd in django

I am trying to connect Django with MongoDB using Djongo. I have changed the Database parameter but I am getting this error Not Implemented Error: Database objec

std::stringstream's seekg does not work after while loop

I have this std::stringstream object whose contents I have to read (only) twice. For this I thought I could use its seekg member function to repeat the reading.

Get commits from master branch to a branch with different history

I'm making an E-commerce website using django and web(HTML/CSS/Js). I'm planning to host the app on Heroku, so for that, I'll need to create some files and do m

extern "C" DLL: Debug is OK, Release throws Error C2059

I've got a DLL that I've created as a C++ Win32 application. To prevent name mangling in my DLL, I have used the EXPORT definition defined below: #ifndef EXPOR

Subtracting 10 hours should move to yesterday, but it doesn't

I'm subtracting 10 hours from date object. Expecting to get yesterday's date. But I get the same date. Is it a bug in ads-script? var now = new Date(); Log

How to set Camera Preview to full screen in Flutter?

I am using the camera 0.9.4+5 package. I think the Camera Preview's size and aspect ratio of the package has been changed. Please let me know how to set the Cam

How to get product id and UPC in page source in Target?

I am trying to scrape some product ID and UPC of products in Target using Selenium in Python. I cannot find product id and UPC in product page so i go to the pa

Struggling to switch between databases at runtime with Spring boot

I'm trying to change which database is used at runtime (like from H2 to MySQL and back). Is it also possible to make both of them be used simultaneously (meanin

Flex and Bison compiler doesn't show lexical errors when he meets one syntax error

I'm coding a compiler using Flex and Bison, I coded yyerror(char*) and some printf() messages to show lexical and syntax errors. I tested my code by adding some

Working with promises in a React class component

I have this module to fetch data using the Spotify API: const Spotify = { getAccessToken() { ... }, searchTrack(searchTerm) { const accessToken = Spoti

Tweepy Python returns: 401 Unauthorized

So, I was trying to like a Tweet using Tweepy, but this error is occurring: Traceback (most recent call last): File "c:/Users/User/Desktop/VScode/Python/Fibra

flask sqlalchemy insert without session

HI is there is any way that I can insert a row to db without using session. A simple Example: try: db.session.add(user1) #in here I want to insert a row t

How to solve Chinese garbled when using javax.servlet.Filter

ContentCachingResponseWrapper wrapper = new ContentCachingResponseWrapper(response); wrapper.setContentType("application/json;charset=UTF-8"); wrapper.setCharac

count the devices that has the same firmware

Just want to count the number of devices and display it here: I have tried using "SELECT DISTINCT Firmware, COUNT(SerialNumber) FROM SoftwareCycle GROUP BY Mod

Check which jar is being used by classes for compilation & execution(runtime)

I've a very big project where thousands of classes are using 100s of third party jars. I need to find out list of jars used by every single class in the project

How to play YouTube Video in mp3 with YouTube Url or video Id in android studio

I want to play the youtube video in mp3 from the URL or the video Id. I'm finding the solutions from the last 5 days on the internet but there is not any answer

Django Authorization Checking in URL having wild card pattern

I am trying to implement permission checking mechanism in URLs for a request using wildcard techniques, rather than implement permission checking on each views.

fetching json api in vueJs log the results but renders nothing (I'm new with Vue)

I'm new in VueJs, actually coming from react, the problem I'm having is that when i fetch the data with an axios.get the console.log shows a succesfull response

Oracle Database 21C XE installation error

I am trying to install #Oracle #database XE and I am getting an error : {IDS_OracleConfigDlg_DatabaseConfigFailedMsg} An error occurred while configuring Oracl

How can data from a GET request be displayed in HTML?

When I click on my button, I expect the data from the endpoint to be returned. However, I get this error: Id:undefinedURL:undefinedName:undefinedDescription:und

How to use PDFTemplate of OpenPDF in PDFTable

I want to create a Header of a page which contains a table wit current and total number of pages. As far as I understand OpenPDF, I have to use the PageEventHel

Update a highly nested column from string to struct

|-- x: array (nullable = true) | |-- element: struct (containsNull = true) | | |-- y: long (nullable = true) | | |-- z: array (nullable = tru

nSwag Client: Is there a better/easier approach to affect PropertyNameCaseInsensitive?

We are attempting to integrate System.Text.Json into our REST API and rest clients, previously using Newtonsoft. We are using nswag CSharpClientGenerator.Genera

I am using React Bootstrap Table and function base component and I need to save page number, size per page and text filter for reuse

I need to save page number, size per page and text filter for reuse. Suppose I'm at page 3 and text Filter is "submitted" and sizePerPage=50. Then I got to ano

Getting error in file upload using karate api

Could anyone please assist me to file upload functionality using Karate API? I have tried many ways, but getting error message as "[{"title":"QUERY.BIZ.004","st

how to show success message without refreshing the page in django

I have a template called basket whenever I want to update the product quantity it works fine but the success message doesn't show until I refresh the page view

error: invalid application of 'sizeof' to incomplete type

In a header file, foo.h, I have something like: extern const int array_foo[]; Then in a source file, foo.c, I have something like: const int array_foo[] = {1 ,

Is OpenCV with Blazor WASM in .NET6 feasible?

I'd like to process images on clientside with Blazor WASM and OpenCV. I can run OpenCV with the OpenCVSharp4 NuGet Package serverside, but that wont cut it. If

An array of 5 string is given where each string contains 2 characters, Now you have to sort these strings using insertion sort, like in a dictionary

An array of 5 string is given where each string contains 2 characters, Now you have to sort these strings using insertion sort, like in a dictionary. Input Inpu

What causes java.lang.NoClassDefFoundError: org/openqa/selenium/internal/Require when using WebDriverManager 5.0.3

I have a spring boot application, that I want to test with Selenium. I'm using WebDriverManager v5.0.3 When settin up the WebDriver WebDriverManager.chromedrive