David Walsh Tutorials
![Listen for the Delete Key Using MooTools]()
Listen for the Delete Key Using MooTools
I saw an interesting ticket hit the MooTools Lighthouse system recently. A user reported that they could not use the following code snippet to listen for the delete key: While that generally works, it does not work for the delete key because "delete" is a reserved...
![Change the PHP Query String Variable Separator Using php.ini]()
Change the PHP Query String Variable Separator Using php.ini
As you probably know, the default PHP query string variable separator is the "&" character. One annoyance with using the "&" character is that, in order to have valid XHTML syntax, you need to output your &'s as "&". If you'd like to avoid...
![PHP: Get WordPress Post Categories]()
PHP: Get WordPress Post Categories
When I put together my WordPress theme, I wanted to put all of my post categories in the footer of the page and in two column format. Obviously there isn't a built-in WordPress function that will format the categories the way I wanted to so...
![Create a Double Border Image Effect Using CSS]()
Create a Double Border Image Effect Using CSS
CSS doesn't allow for too many cross-browser compatible effects. Webkit has added some webkit- CSS effects, but I'm talking about a more toned-down, subtle effect. Did you know you can add a double-border effect to your images using basic, cross-browser CSS? Let me...
![Using MooTools to Instruct Google Analytics to Track Outbound Links]()
Using MooTools to Instruct Google Analytics to Track Outbound Links
Google Analytics provides a wealth of information about who's coming to your website. One of the most important statistics the service provides is the referrer statistic -- you've gotta know who's sending people to your website, right? What about where you send others though?
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![Prevent Early Form Submission by Hijacking the Enter Key]()
Prevent Early Form Submission by Hijacking the Enter Key
A customer asked me to create a timecard form a few years ago. Everything with the form worked great but users would mistakenly press the enter key before their form was completed. They asked that I make the enter key move the cursor to...
![Send Files via FTP Using PHP]()
Send Files via FTP Using PHP
Sending files to a server via FTP is an essential ability of any web developer or designer. Of course, we all use glossy FTP clients like WS_FTP and FireFTP, but what about FTP automation? You can use PHP to FTP files from one server...
![Fading Links Using jQuery: dwFadingLinks]()
Fading Links Using jQuery: dwFadingLinks
UPDATE: The jQuery website was down today which caused some issues with my example. I've made everything local and now the example works. Earlier this week, I posted a MooTools script that faded links to and from a color during the mouseover and mouseout events.
![MooTools HTML Police: dwMarkupMarine]()
MooTools HTML Police: dwMarkupMarine
We've all inherited rubbish websites from webmasters that couldn't master valid HTML. You know the horrid markup: paragraph tags with align attributes and body tags with background attributes. It's almost a sin what they do. That's where dwMarkupMarine comes in.
![Tips For Better Page URLs]()
Tips For Better Page URLs
Page URLs are probably more important than most people realize. No one wants to deal with marathon URLs and meaningless querystrings. Here area few tips for keeping your URLs respectable. Lose the "WWW" The four most useless URL characters are always "www.". If you want...
