Web Design Tutorials and Articles

Monday, April 13, 2009

Meaning of White Space in Programming

Introduction When an ordinary man looks at a printed document or a web page, he can call the spaces that do not have text or pictures, white space. These spaces are actually blank spaces; they do not have to be white in color. On a computer screen, some of these spaces have characters and a programmer have to be conscious of which character creates a particular type of white space. The meaning of these characters and their particular type of white spaces are listed and explained in this article.... Sign in to see full entry.

Meaning of Computer Interpreter and Compiler

Introduction In order for a programmer to write a program, he needs a computer and its operating system. He needs a text editor in which he writes the code. He also needs what is called an Interpreter or a Compiler. In this article I explain the meaning of Compiler and Interpreter from the point of view of a person who is not a programmer, but is computer literate. The code A programmer types a program in a text editor. A program just typed in a text editor, is coded text, understood mainly by... Sign in to see full entry.

XHTML Lists

XHTML Basics - Part 9 Introduction You must have made a list in your life before. You might have made a list of what you would buy in a shop or supermarket. Sometimes when you make a list, you order (arrange) the items to result in something like Item 1, Item 2, Item 3, etc. That is an ordered list. If you do not number the items you have an unordered list. In many cases each item of an unordered list begins with a bullet (hyphen). XHTML has elements which enable you display such lists on your... Sign in to see full entry.

XHTML Images

XHTML Basics - Part 8 Introduction Any image you see on a web page is an independent web resource. It does not necessarily reside in the same directory or server as the XHTML document. In order to have an image displayed on your web page (XHTML document), you need an image tag (element) at the position in your web page, where you want the image to appear. Remember, the visible XHTML elements go into the BODY element. So your image tag has to go into the BODY element. In its simplest form, the... Sign in to see full entry.

Thursday, April 9, 2009

Ajax at the Server

Introduction At the client browser, what Ajax does is that it calls a file at the server. This file at the server has to be an executable file. The name of this file is part of the URL used by the Ajax at the client. The function of this file is to look for the information requested from the server and send back to the client. The aim of this article is to show you how to send back the required text to the client browser. I use the Perl and PHP languages for illustration. You need basic... Sign in to see full entry.

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