Moumita has Published 174 Answers

Putting semicolons after while and if statements in C++

Moumita

Moumita

Updated on 11-Feb-2020 06:55:05

When you have a statement like −while (expression);the while loop runs no matter if the expression is true or not. However, if you put −if (expression);the statement runs no matter if the expression is true or not. This is because the syntax for if and while is −if (<expr>) <statement> ... Read More

How MySQL aggregate functions can be combined with MySQL IF() function?

Moumita

Moumita

Updated on 11-Feb-2020 06:27:37

Combining MySQL aggregate functions with MySQL IF() function can be very helpful to get the specific output we want. Consider the following queries which combine SUM() and COUNT() aggregate functions with IF() function.Examplemysql> Select SUM(IF(Language = 'English', 1, 0)) As English, SUM(IF(Language <> 'English', 1, 0)) AS "Non-English" from Students; ... Read More

What is object-oriented programming (OOP)?

Moumita

Moumita

Updated on 10-Feb-2020 11:00:45

Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. For example, a person is an object which has certain properties such as ... Read More

What is MySQL OCTET_LENGTH() function?

Moumita

Moumita

Updated on 07-Feb-2020 06:40:50

MySQL OCTET_LENGTH() function is used to count the number of characters in a string. Basically, it is a synonym of LENGTH() function. Its syntax is as follows −SyntaxOCTET_LENGTH(Str)Here, Str is a string whose length of characters has to be returned.Examplemysql> Select OCTET_LENGTH('My name is Ram')As Str_Length; +------------+ | Str_Length | ... Read More

Frame Structure for OFDMA with Time Division Duplexing

Moumita

Moumita

Updated on 04-Feb-2020 10:23:44

Orthogonal frequency division multiple access (OFDMA) is a multi-user version of digital data modulation scheme OFDM (orthogonal frequency division multiplexing). In OFDM, a single stream of data is divided into several separate sub-streams for transmission via multiple channels. OFDM uses the principle of frequency division multiplexing (FDM), where the available ... Read More

The 802.16 Physical Layer

Moumita

Moumita

Updated on 04-Feb-2020 10:20:55

The IEEE 802.16 is a set of standards that lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for delivery of last mile wireless broadband access. It lays down the standards for both physical layer as well ... Read More

The 802.16 Protocol Stack

Moumita

Moumita

Updated on 04-Feb-2020 10:19:21

The IEEE 802.16 set of standards lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) and is responsible for delivery of last mile wireless broadband access.The IEEE 802.16 lays down the standards for both physical layer as well as medium ... Read More

The 802.16 Architecture

Moumita

Moumita

Updated on 04-Feb-2020 10:17:00

The IEEE 802.16 is a set of standards that lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for delivery of last mile wireless broadband access.The IEEE 802.16 architecture lays down the standards for both physical layer ... Read More

The 802.16 Architecture and Protocol Stack

Moumita

Moumita

Updated on 04-Feb-2020 10:13:17

The 802.16 is a set of standards defined by IEEE (Institute of Electrical and Electronics Engineers) that lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for delivery of last mile wireless broadband access.The IEEE 802.16 lays ... Read More

In MySQL, how can we convert a value from one number system to the value in another number system?

Moumita

Moumita

Updated on 03-Feb-2020 06:11:19

With the help of MySQL CONV() function, a value from one number system can be converted to the other number system.SyntaxCONV(N, from_base, to_base)Here, ‘N’ is the number which is to be converted, ‘from_base’ is the current base of that number and ‘to_base’ is the base in which that number has ... Read More

Advertisements