147 questions
2
votes
2
answers
737
views
eclipse fails to display collection elements in debug mode with error message "The method toArray() is undefined for the type Collection___"
I experience problems when debugging in eclipse. Similar issues are described in a post from more than 4 years ago. It is reported to be solved by some more recent versions of eclipse (STS) but ...
- 647
0
votes
3
answers
99
views
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);
...
- 303
1
vote
1
answer
884
views
Are there any other methods to convert Span Bytes into a Convertable base64?
Span<byte> MySpan = stackalloc byte[] { 12, 21, 32 };
MessageBox.Show(Convert.ToBase64String(MySpan.ToArray()));
This block of code is the method I tried
with success, but ToArray allocates ...
0
votes
1
answer
284
views
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 ...
- 394
0
votes
2
answers
2k
views
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 ...
- 1,114
0
votes
1
answer
207
views
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 ...
- 1
2
votes
1
answer
1k
views
Java Generics: Compilation failure when using Stream.toArray()
Given a simple generic class:
private static class Container<T> {
private List<T> aList;
private T aValue;
private Container(List<T> aList, T aValue) {
this....
-1
votes
1
answer
132
views
Viewing the elements of a set by set.toArray() [duplicate]
Is there a way to view the elements of a set by doing something like set.toArray()[i] (i being an integer)?
- 21
0
votes
0
answers
88
views
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 ...
-1
votes
1
answer
113
views
Convert CustomList to String/Array
I have a CustomList which does everything as needed until I encountered that code like String.join(" ", list) or list.toArray(String[]::new) doesn't work with my CustomList but works with ...
- 119
1
vote
0
answers
567
views
REACTJS - GSAP "toArray" function doesn't work well with dynamic tagging
I'm trying to do a simple animation where every word of one paragraph appears one after the other but I'm struggling with gsap.utils.toArray function.
I'm first using a small js function to separate ...
- 160
1
vote
2
answers
1k
views
Using a List to Fetch Columns from a DataTable
I can fetch columns x1, x2, and x3 from a DataTable (DT) successfully, using e.g.
Dim arrayOfObjects()() As Object = DT.AsEnumerable().Select(Function(b) {b("x1"), b("x2"), b("...
user15535192
1
vote
1
answer
238
views
Making Select and ToArray for DataTable DBNull-aware
The exception "Object cannot be cast from DBNull to other types" is being thrown when pulling data from a DataTable. Obviously the syntax below is not "DBNull aware." Is there a ...
user15535192
0
votes
1
answer
51
views
How do I remove these green dots randomly?
function levelOneGF(){document.body.innerHTML='<svg id="Layer_1" height="400" width="700" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 400"><defs><style>....
user14331657
1
vote
2
answers
162
views
How to print a specific String stored into an array of String into an ArrayList of Strings Arrays?
so, as per the question, I have this code in Java:
public class example {
static ArrayList<String[]> test = new ArrayList<String[]>();
private String[] a = {"this", "...
- 65