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as seen on Super User
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Is there a plugin for firefox to validate HTML 5? I've always used this but if my webpage has a <!DOCTYPE HTML> doctype it complains about it not having a doctype at all.
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as seen on Stack Overflow
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Hi Al,
I need to make a page which displays a video. Firefox and and Opera support the OGG format, no problem there. Chrome is ... "stupid" and does not recognize OGG.
Does Chrome on Windows know how to handle WMV? I already have them encoded, and no I cannot recode new videos since the media is…
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I'm doing an iPhone version of a desktop site that includes a blog. The blog often embeds images from other domains (the image URLs always start with http:// in this case, obviously), but because I'm using cache-manifest, these images don't load because they aren't declared in the manifest file.
I…
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as seen on Geeks with Blogs
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Part of the challenge with HTML5 is understanding the range of different technologies and finding good samples. The following are some of the sites I have found most useful.
IE TestDrive
http://ie.microsoft.com/testdrive/
A good set of demos using touch, appcache, IndexDB, etc…
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as seen on Geeks with Blogs
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Here are some of the best introductory HTML5 videos I have found online/for free.
Mix 2011:
HTML5 for Skeptics - Scott Stansfield
channel9.msdn.com/Events/MIX/MIX11/EXT21
Filling the HTML5 Gaps with Polyfills and Shims - Ray Bango
channel9.msdn.com/Events/MIX/MIX11/HTM04
50 Performance…
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as seen on ASP.net Weblogs
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I really enjoy coding up HTML5, CSS3, and JavaScript applications but there are some things that I’m better off writing with the help of a development tool. For example, CSS3 gradients aren’t exactly the most fun thing to write by hand and the same could be said for animations, transforms, or styles…
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as seen on Stack Overflow
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I'm using the W3C CSS Validator with the Profile CSS3 but the validator says that my CSS rgba()'s are wrong.
I looked up the Color Module Level 3, and the syntax is the same as mine.
I also tried the Dev-Validator, same result.
Example input:
div.class {
border: 1px solid rgba(0, 0, 0, 0.5);
}
Am…
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as seen on Stack Overflow
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HI, I've just been experimenting with a CSS tooltip that fades in with CSS3's transitions.
I've got it working up to a point, but for some reason, when I hover over where it's meant to be, it activates, even though it's positioned left:-999px;.
So basically, what am I doing wrong/is what I was…
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as seen on Stack Overflow
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Many of you already know that you can express colors in your stylesheets like:
color: #FFF;
color: #FFFFFF;
color: rgb(255,255,255);
color: hsl(100%,100%,100%);
and that you can use rgba() and hsla() to express color transparency.
Do you think it would be a good idea to be able to express color…
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as seen on Stack Overflow
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What is the equivalent of
-webkit-transition: opacity 0.6s linear;
in -moz? I tried replacing -webkit with -moz but nothing happened. I even tried extending it to -moz-transition-property/duration but with no success.
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