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## In Apple Numbers what formula can calculate the amount of days in a certain month across 2 dates

I copied and pasted an identical question regarding Excel. I tried following the solution in Numbers but I always get this error message "the operator "*" needs a number but it found 01/01/2020". This is the formula I copied: =NOT(OR(D\$1>\$B2,EOMONTH(D\$1,0)<\$A2))*(MIN(EOMONTH(D\$1,0)+1,\$B2)-MAX(D\$1,\$A2)) I basically need to know how many nights in a specific month were booked. If […]

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## How can I get all details of the top x models from forecast::auto.arima in R?

My goal is to exactly re-create the top say 3 models from the auto.arima function in R. My example uses the following series: > data <- c(79, 73, 102, 158, 235, 326, 216, 153, 82, 87, 94, 163, 119, 81, 143, 179, 182, 247, 248, 105, 143, 64, 45, 163, 122, 95, 47, 117, 345, […]

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## How to check between two subclasses wich one have been called when creating an instance?

I’m trying to create a "bank account" with its operations. Some of them are : bank addition : class Ajout bank withdrawal : class Retrait And there is the bank balance variable named solde Now what I expect in my main class is the following: c1.operation(new Ajout(750, new Date(01,01,2017))); c1.operation(new Retrait(50, new Date(05,03,2017))); System.out.println(c1.getSolde()); // […]

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## Splitting string into type in Haskell

I need to create a parse function. I am new in Haskell and I am interesting can my thinking be implemented in Haskell using only GHC base functions. So the problem is : I have so message in string with coordinates and value like (x: 01, 01, … y:01, 02,: v: X, Y, Z) and […]

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## Correspondence between 3D and 2D points using Least-Squares struggles with a simple problem

I am trying to estimate a projection matrix between 3D and 2D points using least-squares method. I am using a dummy 3D data, from which I am taking the same X and Y and translating X by 3 points/pixels. Despite a simple translation along the X axis, the non-linear least squares scipy.optimize.least_squares struggles to estimate […]

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## How to group a list by multiple values in dart

Let’s say I have this list: List<MoveItem> _items = [ MoveItem( itemName: ‘Dumpling’, quantity: 3, expiryDate: DateTime(2021, 12, 8), ), MoveItem( itemName: ‘Dumpling’, quantity: 3, expiryDate: DateTime(2021, 12, 8), ), MoveItem( itemName: ‘Dumpling’, quantity: 3, expiryDate: DateTime(2022, 01, 8), ), MoveItem( itemName: ‘Meatball’, quantity: 3, expiryDate: DateTime(2022, 02, 8), ), MoveItem( itemName: ‘Meatball’, quantity: 3, […]

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## How do i compare alphanumeric characters in non sequential order?

Currently i am using a awk script which compares numbers in non sequential order and prints the difference . It works pretty well for numbers but if i have alphanumeric characters , it doesn’t seem to work well In its current state , apart from simply comparing the numbers it does 2 things additionally : […]

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## How to access and decode sound files

I want to look into the sound files for MCJE, but I don’t know how to classify and decode them. I just find folders of 00, 01, … aa, fe, ff, and inside are files like 000c82756fd54e40cb236199f2b479629d0aca2f without file name extensions. I don’t want to convert all of them to .mp3s. How do I decode […]

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## How to access and decode sound files

I want to look into the sound files for MCJE, but I don’t know how to classify and decode them. I just find folders of 00, 01, … aa, fe, ff, and inside are files like 000c82756fd54e40cb236199f2b479629d0aca2f, and are classified as files. I don’t want to convert all of them to .mp3‘s. How do I […]

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## Convert function that returns multiple map objects into a single array

I have a list of dates with some days missing. I’m trying to get an array of date ranges with no dates as an output. At the moment I can get the desired output as map objects, but cannot convert them into a single array. my code is as follows import os import pandas as […]