How to determine if a value is copied or referenced?

How to determine if a value is copied or referenced?

By : user2955451
Date : November 22 2020, 10:40 AM
this will help
Its just an example so the code wont be perfect but my question is in this instance does the GetStorage() method make a copy of the MainStorage object or does it make a reference to it?
code :

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Variable referenced instead of copied

Variable referenced instead of copied

By : user1639391
Date : March 29 2020, 07:55 AM
may help you . B=A[:] does copy only the list, but not it's contents. B[self.ID] and A[self.ID] still reference the same object, only A and B are different.
You might way to explicitly copy all the elements of the list too - copy.deepcopy can do this. But beware: deepcopy copies everything - it looks like you only want to copy the list_of_trading_partners, so you should probably write a __deepcopy__ method on whatever class A[self.ID] is that does just that.
Referenced library isn't copied

Referenced library isn't copied

By : user3495797
Date : March 29 2020, 07:55 AM
hop of those help? The reason for this is that visual studio only copies resources to the output folder if Copy Local is set. Just set the reference to Copy Local and you should be fine.
Check out this link on how this works.
Referenced DLL not being copied to referencing project

Referenced DLL not being copied to referencing project

By : Mohd Fitriyanshah Nu
Date : March 29 2020, 07:55 AM
Any of those help Now I figured i'd add the assembly to project X to make sure that this reference is copied over to other projects using project X. This didn't happen.... So i tried setting the 'Copy Local' setting to true.
You are still talking about the Microsoft.SqlServer.Types.dll right?
Why is class copied instead of referenced?

Why is class copied instead of referenced?

By : Ryan Knewbow
Date : March 29 2020, 07:55 AM
may help you . Really quick, make sure you understand the difference between a class and an object. A class is the cookie cutter; an object is the cookie.
I think Ron Beyer (from the comments) hit the nail on the head -- you're probably saying you want to keep the lists in sync so that the buffs of one Ability object stay in sync with another Ability object.
code :
public class Ability {
    public int Score { get; set; }

    public Ability(int score) {
        Score = score;

public static void KillReference(Ability ability) {
    // When we execute the next line, the ability
    // from the original scope will stay the same
    ability = new Ability(2);

public static void Main() {
    Ability ability = new Ability(5);


    // ability.Score is still 5
Nuget package (EF Core Sqlite) referenced by PCL referenced by Xamarin Android not copied to bin

Nuget package (EF Core Sqlite) referenced by PCL referenced by Xamarin Android not copied to bin

By : ไตรสรณะ ผ้าไตร ไตร
Date : March 29 2020, 07:55 AM
like below fixes the issue There are two different ways of dependency management, just as your guess it. MyPclLibrary project use MyPclLibrary. deps.json to merge compilationOptions from the input project.json, while MyAndroidApp project use the packages.config to copy the reference dll to bin folder directly. So we could not copy the Sqlite DLL from the MyPclLibrary. deps.json to the MyAndroidApp\bin\Debug directory.
The workaround for this issue is that add reference to Microsoft.EntityFrameworkCore.Sqlite directly from MyAndroidApp (Just as you have already tried). The default behavior for Building Android Apps with Entity Framework is add the Sqlite NuGet packages to the Android project.
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