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Trouble invoking method from another class


Trouble invoking method from another class

By : user2949197
Date : November 16 2020, 06:23 AM
To fix the issue you can do I've been working on a timer in c# just to mess around since I've never done it before. I wanted to have the OnTimedEvents method I was declaring in a separate class as I will be calling it in various other classes for various other tests, but I cannot invoke it properly without getting errors. Specifically, I am getting No Overload Method for Method '' Takes 0 Arguments. I cannot work around this as I have with other methods. This is the code: , Change
code :
aTimer.Elapsed += ElapsedEventHandler(programCS.OnTimedEvent());
aTimer.Elapsed += ElapsedEventHandler(programCS.OnTimedEvent);


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trouble invoking static method using reflection and c#

trouble invoking static method using reflection and c#


By : kozmikadam
Date : March 29 2020, 07:55 AM
wish helps you You need to specifiy BindingFlags.Public and BindingFlags.FlattenHierarchy in addition to BindingFlags.Static:
code :
MethodInfo inf = typeof(Video).GetMethod("NewItem",
    BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy);
MethodInfo inf = typeof(Item<Video>).GetMethod("NewItem",
    BindingFlags.Static | BindingFlags.Public);
Is it ok for class A to hold onto class B's dependencies because class A instantiates class B after invoking a method

Is it ok for class A to hold onto class B's dependencies because class A instantiates class B after invoking a method


By : SMS
Date : March 29 2020, 07:55 AM
it fixes the issue You have 4 dependencies you want to inject in a new controller instance, 2 have a request/response life cycle and 2 have a longer life cycle (process?), before invoking some method on it. I would separate the creation of the controller from the invoking by creating a controller factory.
The controller factory would instantiate a controller using a method that receives only the request and reponse objects as parameters. The factory would be aware of the life cycle of the two longer lifed dependencies, perhaps share the same life cycle. The factory's user is then free to invoke any method they would like on the (abstract) controller returned. This is more flexible than the delegation pattern you propose. You could of course still use delegation, but then I would probably still have the Dispatcher only do dispatching and leave object creation to a factory.
Trouble in invoking a method from one java class to another

Trouble in invoking a method from one java class to another


By : user3085537
Date : March 29 2020, 07:55 AM
To fix this issue The problem is how you're compiling. You should generally be compiling from the "package root", ideally specifying an output root as well. For example, from the parent directory (D:\Java):
code :
> javac -d classes PackagesAndMethods\MyMethods.java
> javac -d classes -cp classes PackagesAndMethods\TestMethods.java
> javac -d classes PackagesAndMethods\*.java
> javac -d classes src\PackagesAndMethods\*.java
Invoking a static method that's in a different class, that calls a protected method inside that same class

Invoking a static method that's in a different class, that calls a protected method inside that same class


By : user3310979
Date : March 29 2020, 07:55 AM
wish helps you The problem is, you're trying to call an instance method from a static method.
Static methods are not associated with a particular instance of your class; instead they are associated only with the class itself. This is why you can call static methods without actually creating an instance of a class.
code :
class Resources {
    // Load Resources
    public static function load($configuration) {
        // Load Package Routes
        return Resources::loadRoutes($configuration);
    }

    // Load Routes
    protected static function loadRoutes($configuration) {
        return Route::group($configuration, function() {
            Resources::loadRoutesFrom(__DIR__ . '/../routes/web.php');
        });
    }
}
Trouble invoking a non-static method through reflection (Java)

Trouble invoking a non-static method through reflection (Java)


By : Aman Gupta
Date : March 29 2020, 07:55 AM
I wish this help you If the method is not static, you need an instance of the class.
Look at this example:
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