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0 votes
0 answers
63 views

What is the best way to pass an object by reference in JavaScript without modifying it

I studied that Javascript passes objects by 'pass by reference' to functions. When those objects are mutated/updated inside a function, then it affects the original object. This is clear! let obj = { ...
Programmer's user avatar
0 votes
0 answers
22 views

Pushing object into Array of Arrays retains pointer to original object [duplicate]

I was wondering if anyone could help provide context on this one. With the below example: const finalArray: any[][] = [] const accumulatedArray: any[] = [] const ids = ['1','2'] for (const id of ids) ...
sudo install's user avatar
0 votes
0 answers
38 views

Javascript object copy [duplicate]

I wanted to understand why when I make a copy of an object and reassign the "nestedObject" property from the obj2 (copy) is only modified in the obj2 (copy) and not in the original object. ...
Marcelo Alarcon's user avatar
0 votes
1 answer
102 views

typescript transpiling error with find array method

I have this code in Typescript /** * Team information */ export class Team { constructor( public name: string ) {} } /** * Half side of each match, with team and score of the team */ ...
Gabriel Aquino's user avatar
0 votes
0 answers
49 views

I am not able to understand why parent reference variable value of all recursive calls changes as soon as parent=n is done?

Node parent; private int size; public void addNodes() { if (size == 0) { Node n = new Node(sc.nextInt()); parent = n; root = n; size++; ...
Shivansh Singhal's user avatar
2 votes
1 answer
446 views

How do you pass in another object of the same type as a method parameter in python?

I am creating a class in python to represent a three-dimensional point (I know there are libraries to do this, it's more of an exercise in classes). One type of method I wish to have is one which can ...
Isaiah Blanks's user avatar
1 vote
1 answer
21 views

In javascript, how do I make a class take an object's properties by reference?

I don't want to use the extends keyword because I am making a browser extension and I only have access to the instance, not class definition. so I am wondering if it is possible to assign the props of ...
Alex Mortez's user avatar
0 votes
0 answers
23 views

C++ assigning structs/objects by reference in order to avoid long lines and improve readability [duplicate]

Problem Basically I am just looking for a text replacement for a object which i have to access through a nested structure so I don't have this long lines. Camera cam = clients_manager....
KoKlA's user avatar
  • 988
0 votes
2 answers
772 views

Replace values in array of object with values from another array in JavaScript

This should be a small task, but could not figure it out. I've an array of objects named 'A' A = [{x:a,y:10},{x:b,y:5},{x:c,y:50}] and an array named 'B' B = ['2022-06-15','2022-06-16','2022-06-17'] ...
Richo's user avatar
  • 33
-1 votes
2 answers
36 views

Affects of object assignment within a function on global object values

Can someone please help explain why the value property of obj1 remains the same while in obj2 it changes? I know it has to do with obj1 being assigned to obj2 within the change function but I'm not ...
ljmccode's user avatar
0 votes
1 answer
333 views

Is there a way to initialize object, call its method, then pass it as function argument, in just the function call scope?

Is there a way to initialize an object, call a few of its method (it is not possible to just construct the object to be in the needed state), then pass it as an argument to a function, and possibly ...
GiBhu's user avatar
  • 25
-3 votes
1 answer
685 views

void *function() to call in main using the object of class in c++ [duplicate]

I want to call the void *function inside main using the object of the class class SERVER{ public: void *handle_client(void *arg){ ... } }; int main(){ SERVER s1; pthread_create(&...
Yash Gupta's user avatar
0 votes
1 answer
682 views

Create Function to Copy Properties From One Object to Another

I am trying to create a function that will copy all properties from a source object and paste them to a destination object. I want to create a deep copy, so I am not using object.assign(). Here is my ...
mattdags's user avatar
-1 votes
3 answers
98 views

Java - Can I multiply referenced values?

If I have a class as follows, just to store a value: public class RefTest{ private int value; public void setValue(int value){ this.value = value; } public int getValue(){ ...
Luke O'Meara's user avatar
0 votes
0 answers
23 views

Return a manipulated mutable Python object passed by reference [duplicate]

Is it good practice to return an object that is passed by reference and manipulated in a function? Which of these two approaches is more pythonic? Not returning a manipulated object in place or to ...
SmCaterpillar's user avatar

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