What is a virtual function? A virtual function is a member function that is declared within a base class and redefined by a derived class. When you refer to a derived class object using a pointer or a reference to the base class, you can call a virtual function for that object and execute the derived … Read more
What is a Destructor in C++? Destructor is a member function that is instantaneously called whenever an object is destroyed. The destructor is called automatically by the compiler when the object goes out of scope i.e. when a function ends the local objects created within it also gets destroyed with it. The destructor has the … Read more
The term RAM or an abbreviation of Random-access memory is a form of computer data storage that stores data and machine code that is being used. RAM memory allows data items to be read or written at the same amount of time regardless of the physical location of the data in memory. RAM consists of … Read more
Motor Pole Count A permanent magnet has two poles, but motors can be wired so their magnetic field has a higher number of poles. The pole count of a motor is the number of permanent magnetic poles, north and south, on the rotor. There is always the same number of north and south poles on the … Read more
What is Application Server? Application Server is a type of server designed to install, operate, and host applications. Application servers physically or virtually sit between database servers storing application data and web servers communicating with clients. The function of the application server is to act as host (or container) for the user’s business logic while facilitating access to … Read more
Ubuntu is a giant in the Linux world. Its massive popularity has led to loads of derivative distributions, flavors, and spinoffs, all of which retain the core Ubuntu operating system as their base. By allowing all these variants, Ubuntu is able to create a vast and thriving ecosystem, all interconnected and contributing to and strengthening the main Ubuntu. With so … Read more
What is Ubuntu? Ubuntu is based on the Linux kernel, and it is one of the Linux distributions, a project started in 2004 by South African Mark Shuttleworth. He wanted to create a more user-friendly Linux distribution than Debian, which was very popular among Linux users at that time. Ubuntu is the most used type of … Read more
What is Bit rate? The number of bits per second that can be transmitted along a digital network. Bitrate, as the name implies, describes the rate at which bits are transferred from one location to another. In networking and digital telecommunications, bit rate refers to the per-second measurement of data that passes through a communications … Read more
What is Cucumber? Cucumber is a testing tool that supports Behavior Driven Development (BDD). It offers a way to write tests that anybody can understand, regardless of their technical knowledge. In BDD, users (business analysts, product owners) first write scenarios or acceptance tests that describe the behavior of the system from the customer’s perspective, for review … Read more
Blockchain Blockchain is a decentralized and immutable ledger technology that uses a chain of blocks to record transactions. Each block contains a group of transactions, and blocks are linked together chronologically, forming a chain. The most common consensus mechanism in blockchain is Proof of Work (PoW), although there are others like Proof of Stake (PoS). … Read more