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Formula to determine brightness of RGB color
...c/digital ITU BT.709:
Y = 0.2126 R + 0.7152 G + 0.0722 B
Digital ITU BT.601 (gives more weight to the R and B components):
Y = 0.299 R + 0.587 G + 0.114 B
If you are willing to trade accuracy for perfomance, there are two approximation formulas for this one:
Y = 0.33 R + 0.5 G + 0.16 B
Y = 0...
How can I parse a YAML file from a Linux shell script?
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My use case may or may not be quite the same as what this original post was asking, but it's de...
Disable browser's back button
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Do not disable expected browser behaviour.
Make your pages handle the possibility of users go...
Best way to find the intersection of multiple sets?
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Mike GrahamMike Graham
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Deploy a project using Git push
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After many false starts and dead ends, I'm finally able to deploy website code with just "git p...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
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I was thinking of this but what if the header columns' widths change based on the content? Unless the column widths are fixed you could ha...
Is there any “font smoothing” in Google Chrome?
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Jaime FernandezJaime Fernandez
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
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This happened to me today. I was able to track down the cause: The project included a header fi...
Sass - Converting Hex to RGBa for background opacity
...e
@mixin transparent-shades($name, $color) {
@each $alpha in 90, 80, 70, 60, 50, 40, 30, 20, 10 {
.#{$name}-#{$alpha} {
@include transparent($color, $alpha / 100);
}
}
}
// Generate semi-transparent backgrounds for the colors we want
@include transparent-shades('dark', #000000);
@...
Google Maps: how to get country, state/province/region, city given a lat/long value?
... }
});
}, { enableHighAccuracy:false, maximumAge: 1000 * 60 * 1 });
}
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