The ternary operator is a shortcut comparison operator that replaces an if-else statement in a PHP script. If you use a lot of comparison statements in your scripts, this can greatly reduce the number of lines of code. The ternary operator is really very simple to use, but it does tend to confuse newbie PHP programmers. Read the rest of this entry »
Most new web developers have heard of SQL injection attacks, but not very many know that it is fairly easy to prevent an attacker from gaining access to your data by filtering out the vulnerabilities using MySQL extensions found in PHP. Read the rest of this entry »
External CSS style sheets offer numerous benefits to web site design. This tutorial assumes that you already know something about the use of cascading style sheets. Our focus is on helping you to implement it better with your web site. Read the rest of this entry »
The format wars are still raging for high definition DVD movies. Thus far, it looks like Blu-ray will sell the largest number of high definition movies in 2007 due to alliances with movie studios selling some of this year’s hottest movies, plus the fact that the newest Sony PlayStaton 3 game console includes a Blu-ray player (smart move). Next year could be different. Read the rest of this entry »
DVD movies have been a fantastic success for the movie industry. Many movies no longer make money at the box office and fewer and fewer people are going out to the movie theaters. There are a lot a valid reasons for this, including higher ticket prices, extraordinarily high prices for snack and concession items, etc. It all boils down to the increasing convenience and cost savings associated with having a home theater, or just a DVD player connected to a television. More people today are buying DVDs and the newer HD DVDs instead of throwing money at high-priced movie theaters. Read the rest of this entry »
When using an HTML form on a web page, it is important to make sure that all of the information that you request is filled in. It is also important to make sure that the correct information is entered. JavaScript is a client-side web language that can be used to validate the information you request before the form is submitted to your web server for processing. Read the rest of this entry »
A signature in an e-mail is kind of like a footer on a web page. It is generally used to convey contact information, legal notices and other repetitive information. This is something that you may not want to re-type every time you send an e-mail message. Thunderbird allows you to create as many signatures as you wish. You can assign a different signature to each individual e-mail address. Read the rest of this entry »
If you own a web site that displays an e-mail address or if it has a form that people can use to submit comments or questions, or your e-mail address is listed in a visible WHOIS record, you undoubtedly have received requests for link exchanges. These are also called reciprocal links. What most people do not realize is that the vast majority of these requests are fraudulent and provides no benefit to your site. Read the rest of this entry »
Here is a simple fix for problems with missing images in situations when you cannot predict when an image might be missing. Why not just fix the missing image problem? Well, sometimes a site relies on images from another source, such as those provided by affiliate marketing merchants. The fact is that there are situations where you just do not have control over the images that display on your site and broken image links make a site look unprofessional. Read the rest of this entry »
Prices are dropping for large screen HDTVs. Many people who purchase a new high definition television opt for buying the largest screen that they can afford. Frequently they are dissatisfied or unimpressed with the picture quality. That’s because you can buy a large screen television that is way too large for your viewing distance. If the screen is too large or you get too close, HDTV can become quite unimpressive. Read the rest of this entry »
