Forms are a complicated enough part of XHTML that I wrote a whole series of tutorials just on how to code forms properly. Here’s the first which shows the basic tags you need to set up a form with just a single field in it. Forms

Paypal doesn’t process all payments straight away. When someone pays by echeck the payment usually takes about four days to clear. So what do you do when you are selling electronic goods? If you provide access to download the purchased product straight away then the buyer has four days in which to cancel the payment [...]

For those of you still using tables for layout in your web pages, here’s another reason for getting rid of them – it breaks the functionality of ids in your page. One of the uses for an id is to provide a point in the page that can be linked to – unfortunately at least [...]

Not everything you need to identify in your web page has an appropriate semantic tag. So where you have a division within your page that needs styling or need to span some content with a style you use one of the generic tags. Divs and Spans

You can’t have much of a web without links between pages. This fifth XHTML tutorial looks at how to code your links. Links

A lot of the things you will want in your web page are actually lists so it is essential that you know how to code them as lists. For example most web pages have some form of navigation option that is basically a list of links. We’ll get to links later because before you can [...]

A page consisting of nothing but text is rather boring so in the third (X)HTML tutorial we consider how we can make our page look more interesting by adding Images. Don’t forget that images that are part of your HTML should be a part of the page content, if the images are just decoration then [...]

With the basic tags reguired to create our (X)HTML page in place the first thing we need to add into the content of our page is Headings.

For those looking to write semantic (X)HTML I have a series of tutorials that go progressively through each of the different tags looking at what you should be using each for and what attributes you should be using with it. For the pirposes of this series we’re going to look at the XHTML in a [...]

Many computers today have a wide screen monitor attached (or sometimes two monitors configured to act as if they are a single double width monitor). For many applications the height is far more important than the width and so often this extra width is not required for individual applications. There are also many instances where [...]

When you set up any server software to run on your network then you may need to reconsider how your network is configured. Router settings may need to be updated to open the ports that the software uses in order for it to be accessible to other computers. Networks and Software

Adding line feeds into a form field is one way crackers attempt to break into your script to apply their own mods. By testing for it and stripping them out of form fields where such characters are not valid input you can block that method of cracking your script. Email Injection