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Add and subtract integers of arbitrary size

I am tasked to implement from scratch addition and subtraction of signed integers of arbitrary size. Such an integer is stored in an array of 64-bit unsigned in

AES encryption of Image In Kotlin

I am trying to encrypt and decrypt the image by AES in Kotlin Key Generation Function- override suspend fun key_genration(callback: Enc) { val keygenerator

Prove recursive function exists using only `nat_ind`

I'm trying to prove the following in Coq: ∀ B: Type, ∀ a: B, ∀ b: nat -> B -> B, ∃ f: nat -> B, f 0 = a ∧ ∀ n: na

What is a proper way to POST multiple sets of data through AJAX to .Net Core EF Core

I have seen numerous examples, mostly wrong or outdated concepts written a decade ago. I cant seem to find a way to submit multiple variables to the ef core dat

Formating a frequency dataframe to a table and a histogram

If I have a frequency table like below: ret < -1(%) -1 < ret < -0.5(%) -0.5 < ret < 0(%) 0 < ret < 0.5(%) 0.5 < ret <

How to covert labels array into one vector of letters

I have the labels as the following: array([[1., 0., 0., 0.], [1., 0., 0., 0.], [1., 0., 0., 0.], ..., [1., 0., 0., 0.], [0., 0., 1., 0.], [0., 0., 0., 1.]], dty

How to split up a dataframe with one column into a dataframe with different columns?

I have asked a similar question before and tried to use the answers (which were very good) on my project, but I failed. I have the following dataframe: library(

Weblogic Log4j2 setup not printing Debug messages

So i have a simple properties handler java code which prints these loggers . I am using commons logging and log4j2 import org.apache.commons.vfs2.FileObject; im

Check 2 keys for Vacant

I am using the HashMap to store some of the value. Now I want to check whether HashMap contains keys, if not insert data else return HashMap is not empty. Below

Intercepting requests with ktor 2 client

Ktor 2 seems to have made it easier to implement server plugins, but they don't mention client plugins at all in their documentation (as far as I can see). What

List of objects to List of Lists in C#

I have a List of objects, say List<MyObject> = new List<MyObject>{object1, object2, ..., object10} Each object has property "Property1" which is a d

Superset charts customization (and column names)

Would like to know if I understand the following correctly: In order to customize charts we can use CSS templates with JSON I can only work with data and conne

How to create a SQL date range query where the date range depends on holidays and weekends?

I would like fetch all records in Postgres that match a particular date range. The column 'date' is of type Date. Return all rows where date is tomorrow's date

ERROR: "IDENTITY" is not valid at this position, expecting ')'

Im trying to reverse engineer a table and when replicating their code I keep running into this error. It keeps happening every time I try to use the IDENTITY af

React-Select --- How to get default value and overwrite the default value when user selected another option

Below is my react-select, field.value is the value that return from API. For example, field.value is 'Active'. So, my frontend will show 'Active' and this is wh

Unhandled error event and cannot read properties of null nodemon app crashed

[nodemon] starting `node app.js` Server started on port 3000 node:events:505 throw er; // Unhandled 'error' event ^ TypeError: Cannot read properti

Lodash debounce error: Uncaught TypeError: Expected a function

I am trying to use the debounce function to avoid multiple calls when I'm typing and searching something in a table. This is what I have done - onChange={(_even

Electron JS ReCaptcha Harvester

I need to make a recaptcha V2 harvester in Electron JS. I tried the following code but all I get it "ERROR for site owner: Invalid domain for site key". I think

Is an Apple OS airdrop bot possible?

Is it possible to create an Airdrop bot that sends a picture automatically to nearby Apple devices? Like I choose the picture, turn on the bot, and go to a publ

SwiftUI : How I can delete the UIimage in the View saved as Codable?

I tried to save the image in my memo with as UIImage as Codable protocol. My code can be a little bit longer, but please refer to it. 1. first one is the NewMem

Why can’t my code find the second smallest elements array?

int smallindex = 0; int secsmallindex = 0; I put the lines above into gobalslope. The rest of the code: #include <iostream> using namespace std; int ma

Bike parts in box are not fixing in one place - html css

I am using Visual Products Configurator as per client needs. The product is a bike, and it is divided into 4 parts. Bike body Front wheel Back wheel Seat I am

Getting user ID in lambda function (go 1.x) from AWS API Gateway

I updated the API (rest) via the amplify CLI to add a path and function (go 1.x), and within the function, I was able to retrieve the user ID via the following:

Extract single value from function that returns multiple values for use with dplyr() pipe

I have the following data: date_range <- c('2020-01-31', '2020-02-28', '2020-03-31', '2020-04-30', '2020-05-31',

Javascript Animated Skill Bar On Scroll

I'd like to activate all of this animations whenever I scroll to a certain section, in this case the second one.So basically it starts with the section one and

import google/protobuf/timestamp.proto was not found or had errors in windows

I am trying to generate C# code using .proto file, but getting error import google/protobuf/timestamp.proto was not found or had errors. windows syntax = "proto

Library functions in Inspec Test

Team -- I have a ruby library helper in which I have defined multiple functions/methods. How do I reference those in Chef Inspec tests? def interface_name # s

How to separate large numbers with spaces kotlin

I have a calculator app and I want it to show large numbers with spaces between them when users enter their input. Currently, they don't have spaces between the

Can you run cypress specs all as one test run so that the test records to testrail as one test run instead of a test run for each spec file?

I have been using this npm package: https://www.npmjs.com/package/cypress-testrail-reporter and it does not seem to have a reporter option to allow me to do thi

How to read "Table of Contents" from MS Word Document using win32com client?

Recently i have started working on python and MS word. I tried to update the Table of contents in a .docx document using win32com.client python module(pywin32).