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Is it possible to change only the alpha of a rgba background colour on hover?

... { display: block; position: relative; } div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); } a:hover div { background-color: rgba(var(--rgb), 1); } To understand how this works, see How do I apply opacity to a CSS color variable? If custom properties are not an option,...
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show all tags in git log

... namespace) is purely local matter; what one repository has in 'refs/tags/v0.1.3', other can have in 'refs/tags/sub/v0.1.3' for example. So when you create signed tag 'A', you have the following situation (assuming that it points at some commit) 35805ce <--- 5b7b4ead <=== refs/t...
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What are “named tuples” in Python?

...xcept that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in Python 2.4. For example, it is common to represent a point as a tuple (x, y). This leads to code like the following: pt1 = (1.0, 5.0) pt2 = (2.5, 1.5) from math import s...
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Get a random boolean in python?

...ter $ python -m timeit -s "import random" "random.choice([True, False])" 1000000 loops, best of 3: 0.904 usec per loop $ python -m timeit -s "import random" "random.choice((True, False))" 1000000 loops, best of 3: 0.846 usec per loop $ python -m timeit -s "import random" "random.getrandbits(1)" 10...
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Is there a printf converter to print in binary format?

...Y_PATTERN "%c%c%c%c%c%c%c%c" #define BYTE_TO_BINARY(byte) \ (byte & 0x80 ? '1' : '0'), \ (byte & 0x40 ? '1' : '0'), \ (byte & 0x20 ? '1' : '0'), \ (byte & 0x10 ? '1' : '0'), \ (byte & 0x08 ? '1' : '0'), \ (byte & 0x04 ? '1' : '0'), \ (byte & 0x02 ? '1' : '0...
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What is the preferred/idiomatic way to insert into a map?

... | edited Nov 26 '10 at 18:37 user229044♦ 202k3535 gold badges298298 silver badges309309 bronze badges ...
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How to compute the sum and average of elements in an array?

... var sum = 0; for( var i = 0; i < elmt.length; i++ ){ sum += parseInt( elmt[i], 10 ); //don't forget to add the base } var avg = sum/elmt.length; document.write( "The sum of all the elements is: " + sum + " The average is: " + ...
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What's the best way to send a signal to all members of a process group?

... 308 You don't say if the tree you want to kill is a single process group. (This is often the case ...
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Bin size in Matplotlib (Histogram)

... boundaries. They can be unequally distributed, too: plt.hist(data, bins=[0, 10, 20, 30, 40, 50, 100]) If you just want them equally distributed, you can simply use range: plt.hist(data, bins=range(min(data), max(data) + binwidth, binwidth)) Added to original answer The above line works for...
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Shading a kernel density plot between two points.

...x(which(dens$x < q95)) with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), col="gray")) Output (added by JDL) share | improve this answer | follow ...