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Questions tagged [toarray]

toarray, to convert from arraylist to array this method can be used. Being language specific for e.g. in Java its its available with ArrayList and in C# its used with List. Use this tag for toarray related questions.

toArray() Returns an array containing all of the elements in this list in the correct order.

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147 questions
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What does x=>(int)x - 48 mean when you add a number to a digit array?

so im taking number input and the im trying to add each digit to an array of int without using any loop here i got an answer int[] fNum = Array.ConvertAll(num.ToString().ToArray(),x=>(int)x - 48); I understand until .toarray(), but I do not…
Vasant Raval
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Cast to an array of Message

Good Afternoon in my timezone. I have a "simple" question. I have an ArrayList , but when i transform this ArrayList to array using the method toArray from the ArrayList object and cast it to Message[] it throws an java.lang.ClassCastException ? The…
tt0686
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Using sklearn's toarray method results in the use of all RAM

In the following code on Google Colab when it reaches to the toarray method, it uses all the RAM. I looked for an answer and it's been suggested the use of HashingVectorizer. How can I implement it in the following code? The shape of…
Asdoost
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Convert Collection to int[] array

There are two existing methods named getDetails(...). One expects a minimum of one mandatory parameter and the other expects a collection (doesn't validate the content/size of the collection). The problem is that the collection is sometimes passed…
explorer
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JDK LinkedList class toArray(T[] a) method returning wrong variable?

I was using the LinkedList class in java as a guide for writing my own doubly linked list (this is for school). In this toArray method: public T[] toArray(T[] a) { if (a.length < size) a =…
Josh314151
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An error occurred while loading the data of the collection file in MongoDB using the toArray() function

const express = require('express'); const app = express(); app.use(express.urlencoded({ extended: true })); const MongoClient = require('mongodb').MongoClient; app.set('view engine', 'ejs'); var db; app.listen(8080, function () { …
김민섭
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C++ to .NET Csharp swig DoubleVector.ToArray()

I have an object named result, which contains a IntegerVector and a DoubleVector in C++. I generate with a Task(Of Results) n diferent results and have them in gotresults as Taks from result, that is in C++. When I use…
Bruno Martinez
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How do I remove these green dots randomly?

function levelOneGF(){document.body.innerHTML='
user14331657
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How to convert dictionary to double array of their values in c#?

In my programming i have a challenge.. Dictionary dic=new Dictionary(); now i need to convert those dictionary "values" to 'Double' array. i tried like this, string[] strn=dic.Values.ToArray(); but not working. can any one…
kik
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Rxjs switchMap + toArray

I am having a problem with rxjs. I have a function that should do this: Having a list of group ids. In the example: of(['1', '2']) For each one of them fetch the list of chats Return merged list of chats When execution reaches toArray nothing…
adrisons
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How would I get this debug call to print out the actual values of the object?

I understand that Arrays.sort() has a void return type, and that toArray() has return type is an object, so I did an override by passing in the object that I wanted to see. How can I see the contents of my Time object? Sorry if this is a…
Shelby Robinson
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toarray function dont updated outside the blocks

I try to change an array of user in my mongodb from another collection. this is the code: phrases.find({albumID: tileid}).toArray(function(err, results) { if (results.length > 0) { for(var j = 0; j < results.length; j++) { …
Dor Swisa
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ToArray() Throw Exception in C# while converting var to .ToArray()

Following is the code which causing the issue. public static byte[] ToByteArrayWithBom(this string s, Encoding encoding) { var data = encoding.GetBytes(s); long str = data.Length; // 323603364 var premble = encoding.GetPreamble(); var…
Shrimant Telgave
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How to convert object to array in php active record

I am using phpactive record. To find all data from one table I am using like below $groups = GroupModel::all(); echo "
";
print_r($groups);

then getting output like 
Array
(
    [0] => GroupModel Object
        (
            [errors] => 
    …
user3534476
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How to make a generic type T Array for a generic SortedLinkedList?

I have implemented a SortedLinkedList with generic types but one of the assignments is to make a toArraymethod that takes a T[] array and fills it with the elements of the Linked List. For this, I figured I'd make a get()method that returns the…
Raighley
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