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Chris Coyier

Founder, writer, designer, spam-deleter, email personality

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iPad Detection

Of course, the iPad is a pretty large screen and a fully capable browser, so most websites don't need to have iPad specific versions of them. But if you need to, you can detect for it with .htaccess

RewriteCond %{HTTP_USER_AGENT} ^.*iPad.*$
RewriteRule ^(.*)$ http://ipad.yourdomain.com [R=301]

This will redirect iPad users to a URL you specify. This is probably the best way to do it (assuming you are running an Apache server), but if you aren't, there are PHP and JavaScript Read article

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Facebook “Like” Button for WordPress

Some very easy copy-and-paste code here to add to the template for blog posts to allow for Facebook "liking" of the article. Probably best in the single.php template underneath where it outputs the content of the post.

<iframe src="http://www.facebook.com/plugins/like.php?href=<?php echo rawurlencode(get_permalink()); ?>&amp;layout=standard&amp;show-faces=true&amp;width=450&amp;action=like&amp;font=arial&amp;colorscheme=light" scrolling="no" frameborder="0" allowTransparency="true" id="facebook-like"></iframe>
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Trigger Click on Input when Label is Clicked

Labels should have "for" attributes that match the ID of the input they are labeling. This means we can snag that attribute and use it in a selector to trigger a click on the input itself. Assuming of course you have some reason to watch for clicks on inputs.

var labelID;

$('label').click(function() {
       labelID = $(this).attr('for');
       $('#'+labelID).trigger('click');
});
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Random Hex Color

Technique #1

<?php 
    
    $rand = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f');
    $color = '#'.$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)];
    
?>

Then echo out the $color value anywhere you need it. For example:

<body style="background: <?php echo $color; ?>;">

Technique #2

<?php printf( "#%06X\n", mt_rand( 0, 0xFFFFFF )); ?>

There is also a JavaScript version. … Read article

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Quick Critiques with CritiqueTheSite.com

I made a thing. The idea is to have a super-quick, nearly mindless way to get a critique-based conversation thread going based on any URL. See:

http://critiquethesite.com/css-tricks.com (it works best with big wide monitors, since there is the fixed left comment area, then the entire site to the right)

You could even use a path to an image file for a unique critique on that.

If you want to get notifications for any new comments on your specific URL, just … Read article

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Gift Message Printer

We have a client who sells a product in which customers specify a gift message when they check out. The site has been very successful for them and orders are coming faster than expected. The have been hand-writing the notes thus far, which, in nerd words, doesn't scale well.

When I heard about the problem, the obvious solution was to stop handwriting them. Maybe they'll lose some of that homegrown flair, but it's also less weird. This isn't a handwritten … Read article

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#84: Site Walkthrough of chris-mcgarry.com

I built a site for a musician friend of mine who is putting out a new album. Clearly having playable tracks is important, but the classic issue of having those tracks stop when a new page is loaded comes up (like Screencast #81). This time instead of using AJAX, all the content on the entire site exists on one page, and things are shuffled around through jQuery animations. The result is a somewhat Flash-like website, but without all the pitfalls … Read article

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Child and Sibling Selectors

Do you know what the difference between these selectors are?

ul li { margin: 0 0 5px 0; }
ul > li { margin: 0 0 5px 0; }

I'll admit it took me longer than it probably should have (way back when) when I was learning the basics of CSS. In both cases, they are selecting list items that are children of unordered lists. But there is a difference between children and descendants. … Read article