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

JSP - JSTL Core <c:out> Tag

c:out is a tag used to display the result of an expression in the web browser, which works similarly to the way JSP's expression tag works. The only difference is that this tag helps avoid HTML characters so that you can avoid cross-site scripting.

    JSP - JSTL Core Tags

    The most commonly used tags in the JSTL tag list are core tags. In this lesson and further chapters, you will learn about the core tags of JSTL and their implementation techniques.


      gettype() Function in PHP

      The gettype() function is an inbuilt library function in PHP used to obtain the data type of an existing variable. It helps the programmer to find the type of data associated with a particular variable that is needed in the program itself.


        strlen() Function in PHP

        Counting the length of a string in a program is an essential concept that is used in various coding scenarios. This can be done either by manually typing the entire looping program to count each character of the string, or […]


          ksort() Function in PHP

          PHP's ksort() function is a predefined array sorting function that helps sort an associative array in ascending order based on the keys of the array. While coding, this can be useful in some scenarios, so you should know about it.


            HTML Web Forms

            A Web Forms is a part of an HTML document containing HTML form elements such as input, select, checkboxes, radio, buttons, etc. This lesson guides you on creating web forms and their various useful components.

              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.

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