The bitwise AND operator (&) compares each bit of first operand to the corresponding bit of second operand. If both bits are 1, the corresponding result bit is set to 1. Otherwise, the corresponding result bit is set to 0. Both operands to the bitwise inclusive AND operator must be ... Read More

There is only one difference between the relational operator == and std::string::compare(). That is the return value. Internally, string::operator==() is using string::compare()Relational operator(==) returns a boolean just signifying whether the 2 strings are equal or not while compare returns an integer that signifies how the strings relate to each other.To ... Read More

C++ provides two pointer operators, which are Address of Operator (&) and Indirection Operator (*). A pointer is a variable that contains the address of another variable or you can say that a variable that contains the address of another variable is said to "point to" the other variable. A ... Read More

All number types in C++ can either have a sign or not. For example, you can declare an int to only represent positive integers. Unless otherwise specified, all integer data types are signed data types, i.e. they have values which can be positive or negative. The unsigned keyword can be ... Read More

A storage class defines the scope (visibility) and life-time of variables and/or functions within a C++ Program. These specifiers precede the type that they modify. There are following storage classes, which can be used in a C++ Program.autoregisterstaticexternmutableIn C, The auto storage class specifier lets you explicitly declare a variable ... Read More

We need to use ‘mysqlshow’ client program along with the name of the database to get the list of tables in a particular database. Its syntax would be as follows −Mysqlshow – u root db_name [pat_matching]Here db_name would be the name of the database from which we want to get ... Read More

A final variable can be explicitly initialized only once. A reference variable declared final can never be reassigned to refer to a different object. However, the data within the object can be changed. So, the state of the object can be changed but not the reference.With variables, the final modifier often is ... Read More

If you want to draw part of an image inside canvas, the image onload function only fires once when the image first loads into the browser. Let us see the example:$(document).ready(function () {    var cw1 = 200;    var ch1 = 300;    var ctx1 = $("#myCanvas")[0].getContext("3d");    var myImg1 ... Read More

No, you will not be able to prevent the prompt. It is a security feature because not every user would want to share its location.As stated by W3C:A conforming implementation of this specification must provide a mechanism that protects the user's privacy and this mechanism should ensure that no location ... Read More

Two-way communication between the browsing contexts is called channel messaging. It is useful for communication across multiple origins.While creating messageChannel, it internally creates two ports to send the data and forwarded to another browsing context.postMessage() − Post the message throw channelstart() − It sends the dataclose() − it close the ... Read More