Online Free Tutorials & Courses

Latest online learning materials with easy-to-understand examples in various subjects.

Tutorials Library

Latest Articles

Converting Ideas to Prototypes

In this chapter, you will learn about "What is the prototype design cycle and what needs to be considered? How long it usually takes to come up with a working prototype?".

  • What is a Prototype?
  • Advantages of Prototyping
  • Prototyping Components

What is the Entrepreneurial Process?

In this chapter, you will learn about the various processes followed by an entrepreneur.

  • Identification of Opportunity
  • Having a Clear Vision
  • Coax Others Towards Your Vision
  • Resource Gathering
  • Creating the Venture
  • Bring Adaptability with Time

What is a Startup?

The actual meaning of the word startup is the action or procedure of setting anything in action. In extreme broad sense, a startup any organization or firm, what starts from a single founder or some co-founders with no team and […]

    Introduction to Entrepreneurship

    Entrepreneurs are such individuals who have the potential to grow and do innovative thinking and put them into action.

    • What Is Entrepreneurship?
    • Purpose and Roles of Entrepreneurs.
    • Prime Characteristics of an Entrepreneur.
    • Entrepreneurship Types.

    Types of Network Protocols and Their Uses

    In this chapter, you can find a detailed description of various useful protocols and their types. Also, you will learn about the most common types of protocols used by the network models while communicating one system with another.

      Internet Reference Models

      In the world of web and internet, the term "reference model" defined a standard means of communication architecture which is accepted worldwide. In this chapter, you will learn about the two popular internet reference models - OSI model and TCP/IP Reference Model.

        What is Client-Server Architecture?

        The popular is the client-server architecture which is a computing model, where the server hosts, distributes and controls the majority of the resources as well as services to be used by the client.

          Repeat String in Python

          Sometimes we need to repeat the string in the program, and we can do this easily by using the repetition operator in Python. Repetition operator is denoted by a '' symbol and is useful for repeating strings to a certain length.

            Checking Membership in Python

            In Python, we can check whether a string or character is a member of another string or not using "in" or "not in" operators.

            • Python membership operators are described.
            • A Python Program to demonstrate membership operators.

            Remove Space From a String in Python

            Spaces are also considered as a character inside a string, and sometimes unnecessary spaces in the string cause wrong results. Therefore, such blank spaces should be removed from the string before being used.

              Difference Between Checked and Unchecked Exceptions in Java

              In Java programming, for every occurrence of an exception, there generates an exception object, which holds all the details of the exception. Then the program searches for its respective exception handler. If found, the exception is handled or resolved or else the program execution stops.


                What is Deadlock in Java Threads?

                In Java, deadlock is a situation that arises in the multithreading concept. This situation may appear in cases where one of your thread is waiting for an object lock, which is acquired by another thread and the second thread waiting for object lock acquired by the first one.