Latest + Popular Tutorials

DBMS (Database Management System)

Data Recovery in DBMS

Data Recovery is the method of restoring the database to its correct state in the event of a failure at the time of the transaction or after the end of a process.

  • What is Data Recovery?
  • What is the Need for Recovery of data?
  • Recovery Facilities.
Python Programming

Concept of Variable in Python

The variable concept is different in Python compared to other programming languages, and it is explained in this tutorial. In Python, a variable is seen as a tag that is tied to some value.

Python Programming

Comments in Python

Comments are non-executable statements in Python. It means neither the python compiler nor the PVM will execute them. Comments are intended for human understanding, not for the compiler or PVM. Therefore they are called non-executable statements.

  • Single-Line and Multi-Line Comment
  • Docstrings
Python Programming

Create API Documentation File in Python

An API document file is a text or HTML file that contains a description of all the features of the software, language, or product. In this tutorial, the way to create an API document file in Python is explained through an example.

Python Data Science

Introduction to NumPy Library

NumPy is a linear algebra library for Python, and it is so famous and commonly used because most of the libraries in PyData's environment rely on Numpy as one of their main building blocks. Moreover, it is fast and reliable.

Python Data Science

Matrices in Python

Python is known for its neatness and clean data readability and handling feature. There are various techniques for handling data in Python such as using Dictionaries, Tuples, Matrices, etc. In this tutorial, you will be learning about the matrices and its functionalities.

Python Data Science

Setup Jupyter Notebook

IPython can be said as an interactive CLI (Command-line Interface) for Python. It provides the Jupyter notebook which is a web application that provides an interactive environment for computing and analyzing the data.

JAVA Questions and Answers

What is a Thread in Java?

A thread can be considered as the path taken for the execution of a program. By default, Java has one thread always running, which is the main() thread, and it is created purposefully by the JVM only.

Software Testing

Alpha and Beta Testing

In this chapter, you will be learning about the two most essential and frequently uses testing methodologies - the alpha and beta testing techniques.

  • What is Alpha Testing?
  • What is Beta Testing?
  • Difference Between Alpha and Beta Testing.