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Prn221 k tín 1 Questions and Correct Answers the Latest Update
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what is the following style tag used for? <Window x:Class="fe.MainWindow" Title="MainWindow" Height="200" Width="300"> <Window.Resources> <Style TargetType="TextBlock"> <Setter Property="Foreground" Value="Green"/> <Setter Property="FontSize" Value="20"/> </S...

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  • November 7, 2024
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  • 2024/2025
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Prn221 k tín 1 Questions and Correct
Answers the Latest Update
what is the following style tag used for?

<Window x:Class="fe.MainWindow"

Title="MainWindow" Height="200" Width="300">

<Window.Resources>

<Style TargetType="TextBlock">

<Setter Property="Foreground" Value="Green"/>

<Setter Property="FontSize" Value="20"/>

</Style>

</Window.Resources>

<StackPanel Margin="10">

<TextBlock>WPF</TextBlock>

<TextBox>NET</TextBox>

</StackPanel>

</Window>

A. Set foreground is Green and FontSize is 20 for textBlock controls

B. Set foreground is Green and FontSize is 20 for textBock controls

C. Set foreground is Green and FontSize is 20 for controls

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D. Set background is Green and FontSize is 20 for controls


✓ A



public record Order{

Public int OrderId {get; set}

Public string OrderDate{get; set}

}

Class Program{

Static void Main(string[] args){

List<Order> orders = new List<Order>{

New Order{OrderId=1, OrderDate="12/5/2030"};

}

Var orderJson = JsonSerializer.Serilize(order);

Console.WriteLine($"orderJson");

Console.ReadKey();

}

}

Which one of the following is the output of the above code?

A. [{"OrderId":1, "OrderDate":"12/5/2030"}]

B. {"OrderId":1, "OrderDate":"12/5/2030"}

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C. ["OrderId":1, "OrderDate":"12/5/2030"]

D. An exception will be thrown


✓ A



Which of the following statements related to the Parallel Computing is True?

Statement 1: Parallel computing is the use of multiple processing elements

simultaneously for solving any problem

Statement 2: In Parallel computing problems are broken down into instructions

and are solved concurently as each resource that has been applied to work is

working at the same time

A. Statement 1 and 2

B. Statement 1

C. Statement 2

D. None of the others


✓ B



Javascript clients of signalR application call public method on hubs via the invoke

method of the hubConnection. The invoke method accepts the name of the hub

method and any argument defined in the hub method.

Support that you already have define the following code:

Var connection = new signalR.HubConnectionBuilder()



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.withUrl("/chatHub")

.create();

Connection.start();

Which of the following codes you can call "invoke" method?

A. Try {

Await connection .invoke("SendMessage", user, message);

}catch(err){

Console.error(err);

}

B. Try {

Await connection .invokeuser, message, ("SendMessage");

}catch(err){

Console.error(err);

}

C. None of the others.

D. All of the others.


✓ A




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