What is a Process In the Operating System, a Process is something that is currently under execution. So, an active program can be called a…
What exactly is an API? Simply , an API is an interface that helps software programs connect and communicate with one another.
What is Secure Shell Protocol (SSH) SSH or Secure Shell is a network communication protocol that enables two computers to communicate and share data. An…
What is Modules JavaScript modules allow you to break up your code into separate files. This makes it easier to maintain the code-base. JavaScript modules…
Scope of Variables Scope refers to the visibility of variables. In other words, which parts of your program can see or use it. It determines the…
What is this Keyword In JavaScript, the this (এই / ইহা)keyword refers to an object. Remember : this সবসময় কোন একটা Object কে পয়েন্ট করে…
An OPC Server provides data to an OPC Client application (such as an HMI, Historian, etc.) using OPC. However, an OPC Server always uses a…
Joining three tables in a single SQL query can be very tricky if you are not good with the concept of SQL Join. SQL Joins…