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Argument is not assignable to 'int'


Argument is not assignable to 'int'

By : user2185151
Date : November 20 2020, 04:01 AM
hope this fix your issue I'm trying to convert a code to reflection. This is the exact code that I'm trying to convert to reflection , Casing the invoke return value from myPid resolved the warning.
code :
killProcess.invoke(null, (int) myPid.invoke(null));
Class<?> process = Class.forName("android.os.Process");
Method killProcess = process.getMethod("killProcess", Integer.TYPE);
Method myPid = process.getMethod("myPid");
killProcess.invoke(null, (int) myPid.invoke(null));


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Generic argument not assignable

Generic argument not assignable


By : freskov
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You have to tell the compiler that your interface is covariant : IAnimalStrategy
code :
namespace GenericsTest
{
    class Program
    {
        static void Main(string[] args)
        {
            List<IAnimalStrategy<IAnimal>> strategies = new List<IAnimalStrategy<IAnimal>>();
            strategies.Add(new BarkStrategy());
        }
    }

    interface IAnimal { }
    interface IAnimalStrategy<out T> where T : IAnimal { }

    class Dog : IAnimal { }
    class BarkStrategy : IAnimalStrategy<Dog> { }
}
IAnimalStrategy<IAnimal> s = new BarkStrategy();
interface IAnimalStrategy<T> where T : IAnimal 
{
    T Animal {get; set;}
}
IAnimalStrategy<IAnimal> s = new BarkStrategy();
s.Animal = new Cat();
interface IAnimalStrategy<out T> where T : IAnimal 
{
    T Animal {get; set;}
}
A ref or out argument must be an assignable variable

A ref or out argument must be an assignable variable


By : Sql Passion
Date : March 29 2020, 07:55 AM
To fix the issue you can do You cannot create a variable and pass it as a reference at the same time like you're doing there. Try this:
code :
var config = new Form1.ProxyConfig()
{
    pclient_port = form2.ClientPort,
    pp_start = form2.LocalStartPort,
    pp_end = form2.LocalEndPort
};

int num1 = Form1.ProxyListenerStart( ref config, ref this._PN );
if( int.TryParse( "123", out new int() ) )
{
    // there's no way for us to actually use the value TryParse stored
    // into the out parameter, since it doesn't have a name
}
Argument of type not assignable to

Argument of type not assignable to


By : PHA
Date : March 29 2020, 07:55 AM
To fix the issue you can do you are using the below method signature from Scrapeit library
declare function scrapeIt(url: string | object, opts:scrapeIt.ScrapeOptions): Promise;
code :
export interface ScrapeOptions {
        [key: string]: string | ScrapeOptionList | ScrapeOptionElement;
}
export interface ScrapeOptionList {
        listItem: string;
        data: ScrapeOptions;
}
scraptIt(firebaseFunctions.config().sports.url + element.data().url, {
                sports: {
                    listItem: '.LSport',
                    data: ['b'] // here is the issue
                }
            })
pages: {
        listItem: "li.page"
      , name: "pages"
      , data: {
            title: "a"
          , url: {
                selector: "a"
              , attr: "href"
            }
        }
    }
A ref or out argument must be an assignable variable?

A ref or out argument must be an assignable variable?


By : Pierre Marchand
Date : March 29 2020, 07:55 AM
may help you . Error: , The error explains it clearly. You need an assignable variable
code :
protected override void OnHandleCreated(EventArgs e)
{
    base.OnHandleCreated(e);
    var message = new Message()
    {
        HWnd = this.Handle,
        Msg = 4150,
        LParam = (IntPtr)43,
        WParam = IntPtr.Zero
    };
    this.WndProc(ref message);
}
argument of type 'any ' is not assignable

argument of type 'any ' is not assignable


By : ascheritt
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Math.max requires numbers as arguments like Math.max(1, 3, 2) not an array. You can spread the array.
code :
const storedNumber = [1,2,3,4,5];

console.log(  Math.max(...storedNumber) );
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