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I do not want to inherit the child opacity from the parent in CSS
...
Instead of using opacity, set a background-color with rgba, where 'a' is the level of transparency.
So instead of:
background-color: rgb(0,0,255); opacity: 0.5;
use
background-color: rgba(0,0,255,0.5);
...
Convert PDF to image with high resolution
...1.702 Bytes (1.85 MByte).
Its resolution is 3060x3960 pixels, using 16-bit RGB color space.
The better, sharp image on the left has a file size of 337.879 Bytes (330 kByte).
Its resolution is 758x996 pixels, using 8-bit Gray color space.
So, no need to resize; add the -density flag. The density va...
Scatterplot with too many points
... y, col="#00000033"))
The first six numbers after the # are the color in RGB hex and the last two are the opacity, again in hex, so 33 ~ 3/16th opaque.
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C-like structures in Python
...hings where you would use a struct in C (something like x,y coordinates or RGB colors for example).
For everything else you can use dictionary, or a utility class like this one:
>>> class Bunch:
... def __init__(self, **kwds):
... self.__dict__.update(kwds)
...
>>> my...
How to check if a file is a valid image file?
... not recognized image file type. List of currently recognized image types: rgb, gif, pbm, pgm, ppm, tiff, rast, xbm, jpeg, bmp, png, webp, exr.
– patryk.beza
Apr 6 '16 at 15:29
...
Normalize data in pandas
...eated as a 7 effectively) with a midpoint of 2, but shrink it to fit a 256 RGB colormap:
#In[1]
NormData([-5,2,10],low=-7,center=1,hi=7,shrinkfactor=2./256)
#Out[1]
[0.1279296875, 0.5826822916666667, 0.99609375]
It can also turn your data inside out... this may seem odd, but I found it useful for...
Input placeholders for Internet Explorer
...normal sans-serif; left: 5px; top: 3px; width: 147px; height: 15px; color: rgb(186, 186, 186); position: absolute; overflow-x: hidden; font-size-adjust: none; font-stretch: normal;" for="placeholder1314588474481">Hi Mom</label>
</span>
</label>
There are also other shims the...
How can I resize an image using Java?
...izing...");
int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
BufferedImage scaledBI = new BufferedImage(scaledWidth, scaledHeight, imageType);
Graphics2D g = scaledBI.createGraphics();
if (preserveAlpha) {
g.setComp...
Change Active Menu Item on Page Scroll?
...%;
}
.menu {
width: 100%;
height: 75px;
background-color: rgba(0, 0, 0, 1);
position: fixed;
background-color:rgba(4, 180, 49, 0.6);
-webkit-transition: all 0.4s ease;
-moz-transition: all 0.4s ease;
-o-transition: all 0.4s ease;
transition: all 0.4s ea...
How to check if a string is a valid hex color representation?
...Here's my stab at a compatible (Chrome54 & MSIE11) function to get the RGBA values of a "color" in any of the formats --be it 'green', or '#FFF', or '#89abcd', or 'rgb(0,0,128)', or 'rgba( 0, 128, 255, 0.5)'.
/* getRGBA:
Get the RGBA values of a color.
If input is not a color, returns NULL,...