Online Free Tutorials & Courses

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


Learn HTML

This HTML tutorial series describes the various features of the HTML language to make web development easier.


    CSS Tutorial

    This CSS tutorial series describes various features of cascading style sheets to make web designing easier.


      Learn C

      Learn how to program in C. Learn the basic and advanced concepts of C programming from this C tutorial library, along with details and helpful examples.


        Learn C++

        Learn how to program in C++. Learn the basic and advanced concepts of C++ programming from this C++ tutorial library, along with details and helpful examples.


          Learn Java

          Java is robust technology widely used to develop application software. This Java tutorial series will help you get started learning Java programming from the basics.


            Python Tutorial

            Python is famous as a programming language, and its usage is increasing. This Introductory chapter helps beginner programmers to get started learning about Python programming.


              Learn PHP

              PHP is one of the widely used server-side scripting languages. Learn the basic and advanced concepts of PHP programming from this PHP tutorial library, with details and helpful examples.


                Learn WordPress

                This Introductory chapter helps beginner programmer to get started in WordPress.


                  Learn Cloud Computing

                  Cloud computing is the latest generation technology with a high IT infrastructure that provides us a means by which we can use and utilize the applications as utilities via internet.


                    Learn Laravel

                    This Laravel tutorial series describes various features of the Laravel - PHP framework to make web development easier.

                      Latest Articles

                      Angular - Development Environment Setup

                      This lesson guide for establishing a development environment of Angular for best learning and working experience. To work with Angular (any version), you will need to install a few applications on your computer: Setup a Node.js development environment with npm […]

                        Angular - Introduction

                        Angular (formerly called Angular JS) is a typescript based web application framework that supports full-stack development for building all types of web applications. In this tutorial series, you will learn about the Angular framework that brings revolutionary changes in developing software applications.

                          Blockchain - Architecture and Hashing

                          As discussed earlier in the Blockchain Introduction chapter, the Blockchain architecture consists of a series of blocks containing information. The data associated with each block within the chain of this technology depends on the type of Blockchain. A simple example […]

                            PHP Ternary Operator

                            When coding, we always look for shortcuts everywhere or try to make things concise and effective. In PHP and other programming languages, the ternary operator is a concise way to write conditional statements that improve code readability and effectiveness. You […]

                              WordPress Optimization

                              Optimization of a website is an essential activity that every developer should undertake. If you have a high traffic website or a simple blog on low cost shared hosting, in every case, it is recommended to optimize your site. WordPress […]

                                PHP 8.0 - Introduction

                                PHP 8.0.0 is a major update of the PHP language released on November 26, 2020. As announced by the PHP development team, this version update includes several new additional features and optimizations, including named arguments, union types, attributes, constructor property […]

                                  strlen() Function in PHP

                                  PHP strlen() function is used to count the length of a given string or check the number of characters in a string. In this tutorial, you will learn about the strlen() function of PHP.

                                    sleep() Function in PHP

                                    sleep() function is one of the important built-in functions provided by PHP version 4.0 or above to delay any script's execution process for a certain time interval. In this tutorial, you will learn about the sleep() function that helps delay any PHP script execution.

                                      URL Encoding and Decoding with PHP

                                      Encoding and decoding URL strings are used to convert general URL strings and characters into an arrangement that can be conveyed over the internet. In this tutorial, you will learn about two ways in which URL string can be encoded and decoded in PHP.

                                        preg_replace() Function in PHP

                                        The preg_replace() function, a built-in function in PHP used to check strings using a regular expression to find and replace a string in content. In this tutorial, you will learn about the preg_replace() function of PHP.

                                          Blockchain - History

                                          Before understanding the various concepts of blockchain technology, it would be good to know the blockchain history. This will help you understand the blockchain better. This amazing technique was started in the year 1991 by two research scientists W. Scott […]


                                            Blockchain - Introduction

                                            Blockchain is a constantly growing ledger technology where records and data are stored permanently for all of the linked transactions having taken place in a secure, sequential, and irreversible manner. Secure transferring of digital money, possessions, contracts, etc. with no […]

                                              Laravel - Sending Emails

                                              Another important feature of Laravel is providing clean and simple API use, which is free and rich in library features - "SwiftMailer," which is used for sending emails. With the help of its library functions, Laravel developers find it easy […]

                                                JSP - Standard Tag Library (JSTL)

                                                The JSP library has a collection of useful JSP tags, responsible and functionally capable of encapsulating the core utilities typically found in a JSP application. JSTL, known as JSP Standard Tag Library, is a set of tags. This helps make […]

                                                  JSP - Expressions

                                                  Expression tags are one of the most useful scripting elements of JSP. Expression tags use special tags to print the different java expressions and output directly on the client-side. You can also use this for displaying information on your client […]

                                                    JSP - Session

                                                    In any normal website, the user performs multiple interactions on different pages of the site. It is beneficial for the site to customize the data according to each user. This allows the user to maintain a personal space for their […]

                                                      JSP - Exceptions

                                                      When you write code in JSP, you can make some errors while writing lines of code. These errors can be classified into different types. But some errors occur when the code is not logically accurate or an internal error from […]

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