How to set up C++ development environment

By Ranjeet V

In this tutorial, you will learn how to set up a C++ development environment. You need an environment to compile and execute your C++ program successfully. How to set up C++ develo.... Read More

Check whether a variable is defined or not in Python

By Jagannath@cr7

The topic deals with the Python variables. Here we are going to determine if a Python variable exists or not. Certainly, a variable is a container of data. In other words, we can s.... Read More

How to check if a key exists in a dictionary in Python

By Shriprakash Tiwari

In this tutorial, we will learn, How to check if a key exists in a dictionary in Python. As we know that in a dictionary we have “keys” as well as “Values” .... Read More

Creating Subclass in Python

By Jagannath@cr7

In this tutorial, we will learn how to create subclass in Python. Let’s discuss classes first and then move on to subclasses in Python. You should have basic knowledge of Co.... Read More

Scope Resolution Operator(::) in C++

By Ranjeet V

In this tutorial, we will learn about the scope resolution operator in C++. The scope resolution operator(::) is very useful in many cases. We will see a detailed description of th.... Read More

Stable Sorting in Java

By Sanskar Dwivedi

In this tutorial, we will learn some basic concepts of stable sorting in Java with an example program. For understanding this we will take the example of insertion sort, which is o.... Read More

Copy Constructor in C++

By Alankrita Lakshmi

In this tutorial, we will learn about the copy constructor in C++. We already know that a constructor is a special member function of a class. The task of a constructor is to ini.... Read More

Atomic variables in Java

By Esmail Rahmani

In this tutorial, we will learn what is the atomic variable, how to use it in Java. When we use one variable in many threads and those threads use that variable concurrency in this.... Read More