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C# is a memory managed language. Objects created on the heap will get garbage collected automatically when there is no reference to the object and a GC cycle occurs (GC = garbage collector).

However there are some object that use resources outside the managed memory, For example File Streams, Web Connections or Database connection. They implement an interface called IDisposable with a function called Dispose(), that you can call when you finish using the resource.

In addition ~Object() Finalizers are not good practice, because you don't know exactly when the GC frees the object, and it can create a load that you cannot control.

In conclusion you should implement IDisposable when your object uses outside resources that need to be Disposed, so you can free the resource when you don't need them anymore.

You seem to be very confused by the basics of the language you're using, which is fine we all start somewhere with programming, however I suggest you go back and read up on the basics of method calls, and returning values from methods.

For the sake of moving you along with this task you should make your method have a return type of Inventory and return it

I tested your code and there is no problem. Did you do something wrong? Did you try to restart the compiler?

Click import:

Best Regards,

Jiale

FIXED

I Changed

It looks like your comparison function isn't right.

Based on your additional comments, this would send the specified email to the users with specific roles.

You can flatten it like:

Is this the result you're trying to achieve?
https://jsfiddle.net/Ljopa0hy/17/

Basically, set the height on the container and use flexbox instead of grid.

From the faq:

What special considerations do I need to know about when I inherit from a class that uses virtual inheritance?

Initialization list of most-derived-class’s ctor directly invokes the virtual base class’s ctor.

Because a virtual base class subobject occurs only once in an instance, there are special rules to make sure the virtual base class’s constructor and destructor get called exactly once per instance. The C++ rules say that virtual base classes are constructed before all non-virtual base classes. The thing you as a programmer need to know is this: constructors for virtual base classes anywhere in your class’s inheritance hierarchy are called by the “most derived” class’s constructor.

The constructor of Child calls the constructor of GrandParent directly, because GrandParent is a virtual base. And because you did not call it explicitly, the default constuctor is called, but GrandParent has no default constructor.

Modifying the Child constructor to directly call the GrandParent constructor (thus skipping a generation), I can bypass the error but it seems like the wrong approach.

This is exactly the right approach. Childs constructor does call GrandParents constructor, you cannot do anything about that when GrandParent is a virtual base and Child is the most-derived-class. What you can do is: Choose the right constructor instead of letting the compiler try to call the non-existent default constructor.

You should do a "/install" after moving the UC to the corresponding directory of the gx installation.