Does .NET support multiple inheritance?
.NET does not support multiple inheritance directly because in .NET, a class cannot inherit from more than one class. .NET supports multiple inheritance through interfaces.
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How we get IP address of client,previous reference page etc?
By using $_SERVER['REMOTE_ADDR'], $_['HTTP_REFERER'] etc.
Why we use array_flip
array_flip exchange the keys with their associated values in array ie. Keys becomes values and values becomes keys.<?php$arrayName = array("course1"=>"php","course2"=>"html");$new_array = array_flip($arrayName);print_r($new_array);?>OUTPUT :Array([php] => course1[html] => course2)
What is mean by "this" keyword in javascript?
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Which class provides an interface for invoking JavaScript methods and examining JavaScript properties.
Which of the following is not considered a JavaScript operator?
What is the correct JavaScript syntax to write “Hello World”?
document.write() is a JavaScript command that literally writes out whatever you place between the opening and closing parentheses.
Which of the following can't be done with client-side JavaScript?