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Alternate table row color using CSS?
...imal form". Basically #ccc gets expanded to #cccccc, which means that each RGB colour has the hexadecimal value cc, or decimal value 204 (i.e. rgb(204, 204, 204)). Read more about it here -> en.wikipedia.org/wiki/Web_colors#Shorthand_hexadecimal_form
– Nick Grealy
...
CSS background opacity with rgba not working in IE 8
...
Yup. rgba() colour values aren’t supported in IE 8.
– Paul D. Waite
Oct 20 '10 at 8:44
11
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How can I quantify difference between two images?
...osure. For simplicity, I convert them to grayscale even if they are color (RGB) images.
You will need these imports:
import sys
from scipy.misc import imread
from scipy.linalg import norm
from scipy import sum, average
Main function, read two images, convert to grayscale, compare and print resu...
How do I get the color from a hexadecimal color code using .NET?
...
I'm assuming that's an ARGB code... Are you referring to System.Drawing.Color or System.Windows.Media.Color? The latter is used in WPF for example. I haven't seen anyone mention it yet, so just in case you were looking for it:
using System.Windows....
Determine font color based on background color
... else
d = 255; // dark colors - white font
return Color.FromArgb(d, d, d);
}
This was tested for many various colorscales (rainbow, grayscale, heat, ice, and many others) and is the only "universal" method I found out.
Edit
Changed the formula of counting a to "perceptive luminance...
Named colors in matplotlib
... colors by hue, saturation, value and name.
by_hsv = sorted((tuple(mcolors.rgb_to_hsv(mcolors.to_rgba(color)[:3])), name)
for name, color in colors.items())
sorted_names = [name for hsv, name in by_hsv]
n = len(sorted_names)
ncols = 4
nrows = n // ncols
fig, ax = plt.subplots(figsi...
Adding a guideline to the editor in Visual Studio
...ltiple columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and column 80. This should be the value of a string value Guides in "Text Editor" key (see bellow).
Be sure to pick a line color that will be visisble on your backgroun...
QLabel: set color of text and background
... I think it could be useful to anybody.
I step into the problem of setting RGBA colors (that is, RGB color with an Alpha value for transparency) for color display labels in my painting application.
As I came across the first answer, I was unable to set an RGBA color. I have also tried things like:
...
How to create a tag with Javascript?
...p; !window.opera)) {
styleNode.styleSheet.cssText = 'span { color: rgb(255, 0, 0); }';
} else {
var styleText = document.createTextNode('span { color: rgb(255, 0, 0); } ');
styleNode.appendChild(styleText);
}
document.getElementsByTagName('head')[0].appendChild(style...
How to debug a GLSL shader?
...o get lowest byte instead of three highest
gl_FrontColor=vec4(xAsColor.rgb,1);
else
gl_FrontColor=vec4(xAsColor.a,0,0,1);
After you get this on screen, you can just take any color picker, format the color as HTML (appending 00 to the rgb value if you don't need higher precision, and doing ...