This tutorial will describe how to create thumbnail images on the fly using PHP. Furthermore you will learn how to process a whole folder of images and create their thumbnails. Since this requires the GD library, you will need an installation of PHP with at least GD 2.0.1 enabled. More...
CAPTCHA is a simple test to determine if a user is a computer or a human. It is used to prevent spam abuse on the websites. The goal of this tutorial is to demonstrate how to make your own simple CAPTCHA protection using PHP and AJAX technologies. More...
Creating images on the fly can be a very useful skill. In this tutorial we will show you how to get quite interesting and useful effects using image handling functions. We will review two practical tasks: creating security images (captcha) on the fly and building a bar chart using numerical values retrieved from MySQL database. More...
One of the best features of PHP is possibility to respond to user queries or data submitted from HTML forms. You can process information gathered by an HTML form and use PHP code to make decisions based off this information to create dynamic web pages. In this tutorial we will show how to create an HTML form and process the data. More...
The great advantage of ASP is possibility to respond to user queries or data submitted from HTML forms. You can process information gathered by an HTML form and use ASP code to make decisions based off this information to create dynamic web pages. This tutorial demonstrates how to create an HTML form and process the data. More...
There are two types of VBScript arrays - static and dynamic. Static arrays remain with fixed size throughout their life span. To use static VBScript arrays you need to know upfront the maximum number of elements this array will contain. If you need more flexible VBScript arrays with variable index size, then you can use dynamic VBScript arrays. VBScript dynamic arrays index size can be increased/decreased during their life span.
Further in this article author explains how to create static arrays and how to create and resize dynamic arrays, giving working examples. More...
The Request object retrieves the values that the client browser passed to the server during an HTTP request. It is used to get information from the user. Using this object, you can dynamically create web pages and perform various server-side actions based on input from the user. In this tutorial the syntax, collections, properties and methods of the ASP Request object are described. More...
One of the most common uses of the meta tag is to reload the web page. This is great for displaying real-time data, or as real as the refresh rate. It is very convenient to use it if you have a dynamic content on your page (for example a weather map). This tag is easy to use and misuse. More...
ASP stands for Active Server Pages. It is a server side technology that enables you to make dynamic and interactive web pages that are not affected by the type of browser the web site visitor is using. More...
JavaScript is a simple to comprehend and easy to use scripting language. When used in conjunction with a Web browser's Document Object Model (DOM), it can produce powerful dynamic HTML browser-based applications. In this tutorial we will print the text in a web page as well as the time and date on your computer. More...
JavaScript is a cross-platform, object-oriented scripting language invented in web browsers to make web pages more dynamic and give feedback to your user. Adding JavaScript to your HTML code allows you to change completely the document appearance, from changing text, to changing colors, or changing the options available in a drop-down list, or switching one image with another when you roll your mouse over it and much more. More...