The & symbol is used as an operator in C++. It is used in 2 different places, one as a bitwise and operator and one as a pointer address of operator.Bitwise ANDThe bitwise AND operator (&) compares each bit of the first operand to that bit of the second operand. ... Read More

Call by Value means calling a method with a parameter as value. Through this, the argument value is passed to the parameter.While Call by Reference means calling a method with a parameter as a reference. Through this, the argument reference is passed to the parameter.In call by value, the modification ... Read More

Use the width attribute in HTML to set the width of an element. You can use the attribute with the following elements − , , , , , etc.ExampleYou can try to run the following code to implement width attribute in HTML − Live Demo                                        Your browser does not support the video element.           Output

Use the tag to indicate long quotations. The HTML tag is used to include long quotations (i.e. quotations that span multiple lines). It should contain only block-level elements within it and not just plain text.The following is the attribute −AttributeValueDescriptioncite URLURL of the quote, if it is taken ... Read More

The HTML tag is used for creating an ordered list. You can try to run the following code to create an ordered list using the tag −The HTML tag supports the following additional attributes −AttributeValueDescriptioncompactautofocusDefines if compact rendering is required.reversed reversedSpecifies the order of the list (descending).start ... Read More

Use Element.innerHTML in JavaScript to display JavaScript variables in an HTML page without document.write.You can try to work through the following code snippet −var $myName = document.querySelector('.name'); var $jsValue = document.querySelector('.jsValue'); $myName.addEventListener('input', function(event){    $jsValue.innerHTML = $myName.value; }, false);

The only safe way is to check for overflow before it occurs. There are some hacky ways of checking for integer overflow though. So if you're aiming for detecting overflow in unsigned int addition, you can check if the result is actually lesser than either value-added. So for example, unsigned ... Read More

Comparing floats and double variables depends on what your end goal is. If you want a runnable function without going too much in details and won't have a problem in some inaccurate calculations you can use the following function −Example#include using namespace std; // Define the error that you ... Read More

To declare a global variable, use the var at global scope −    var myGlobalVariable;    function display() {       //    } For JavaScript function, assign the property to a window −    function display() {       window. myGlobalVariable = …;    }

To set the shadow effect, use the textShadow property in JavaScript.ExampleYou can try to run the following code to return the shadow effect of a text with JavaScript −           Set Text Shadow                This is Demo Text! ... Read More